• Aylo Freesites Ltd v. DISH Technologies L.L.C.Some claims unpatentable
  PTAB · Feb 2, 2026 · IPR2024-00940 · APJ John A Hudalla · IPR · Final written decision

  Claims 1–11 are unpatentable as obvious over Leaning and over Leaning with Klemets; claims 12–20 were not shown unpatentable on the asserted grounds.

  RulingsFinal written decision

  • Skill levelSkill level petitioner adoptedDecided for petitioner

    “Level of Ordinary Skill in the Art Citing testimony from Dr. Houh, Petitioner contends a person of ordinary skill in the art “would have had at least a B.S. degree in computer science or electrical engineering (or comparable degree) and two years of experience in networking or streaming media, or a M.S. in computer science or electrical engineering (or comparable degree).” Pet. 12 (citing Ex. 1003 ¶ 45). Patent Owner does not address the level of ordinary skill in the art in its post-institution papers. We adopt Petitioner’s definition of the level of ordinary skill in the art. On the present record, we are satisfied that this definition of the level of skill is consistent with the teachings of the ’234 patent and the asserted prior art.” slip op. at 11

  • Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)No construction neededNot reached

    “We determine that no construction of “virtual timeline” is necessary. See, e.g., Realtime Data, LLC v. Iancu, 912 F.3d 1368, 1375 (Fed. Cir. 2019) (“The Board is required to construe ‘only those terms . . . that are in controversy, and only to the extent necessary to resolve the controversy.’” (quoting Vivid Techs., Inc. v. Am. Sci. & Eng’g, Inc., 200 F.3d 795, 803 (Fed. Cir. 1999))). Rather, as discussed below, the parties’ dispute appears to be about whether the “virtual timeline” identified by Petitioner is used to arrange the requested streamlets, as is also recited in claim 9. We address that argument below. See infra § II.D.10.” slip op. at 13

  • Claim Construction › Intrinsic evidence (Phillips canons) › Plain and ordinary meaning to a POSITAPlain and ordinary meaningDecided for patent owner

    “On this record, we determine that the recitation “to achieve continuous presentation” is limiting and requires an amount of continuous (uninterrupted) playback/presentation after an upshift or downshift. The specification describes agent controller 702 determining whether to upshift based on a trigger threshold Θup, which itself is based on various factors including a current read ahead margin and a minimum safety margin. See Ex. 1001, 17:44–58. If agent controller 702 can sustain upshift quality, then it will upshift and request higher quality streams. See id. at 17:58–61. Conversely, when an upshift is not possible, agent controller 702 determines whether to downshift based a different threshold Θdown, which itself is based on the same sort of factors. See id. at 18:4–7. When the stream quality is not adequate, it downshifts. See id. at 18:7–14. These disclosures are similar to the language of claim 12, which recites “repeatedly generating a factor indicative of a current ability to receive the digital content at a rate sufficient for presenting the digital content as the digital content is received, . . . wherein the factor relates to a performance of the network” and “making the successive determinations whether to change the requested bit rate based on the factor to achieve continuous presentation of the digital content using the individually-requestable portions of the highest bit rate one of the copies determined receivable at that time.” Ex. 1001, 20:5–16 (emphasis added). That is, claim 12 refers to “achiev[ing] continuous presentation” based on what is “sufficient for presenting the digital content,” trading quality to ensure continuous playback.” slip op. at 14

  • Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation foundUnpatentableUnpatentable

    “server comprises at least two servers and wherein at least one streamlet is requested from a first of the at least one server and at least one other streamlet is requested from a second server of the at least one server other than the first server.” Ex. 1001, 19:7–12. Petitioner references its mapping of the “at least one server” in claim 1 to Leaning’s server 1. Pet. 20 (citing Ex. 1004, 2:15–16, 2:18–22, 2:31–32, 5:8–14, Fig. 1), 23 (citing Ex. 1004, 6:13–26, 9:3–7, 16:6–12), 37; see supra §§ II.D.2.b–c. Petitioner contends that, “[t]o the extent Leaning does not disclose at least two servers wherein one sub-file (streamlet) is requested from a first server and another sub-file (streamlet) is requested from a second server such an arrangement would have been obvious in view of the knowledge of a [an ordinarily skilled artisan].” Id. at 37. Citing the common nature of such an arrangement, Petitioner contends that an ordinarily skilled artisan would have been motivated to provide multiple web servers containing the same sets of sub-files for streams in order to have redundancy in the system and allow for clients to establish connections with multiple servers and request a first sub-file from a first web server and, if the connection between the first web server becomes congested or the first web server otherwise fails or becomes unavailable, request a subsequent sub-file from the second web server. Id. at 37–38 (citing Ex. 1003 ¶ 85; Ex. 1012, 108,5 Fig. 4-11). Patent Owner does not dispute Petitioner’s analysis for claim 3. We are persuaded that it would have been obvious to implement Leaning’s server 1 as two servers that store different streamlets based on Dr. Houh’s uncontested testimony about system redundancy. See Ex. 1003 ¶ 85. His testimony is backed by a contemporaneous reference about HTTP that shows requests for different objects from different servers over parallel TCP connections. See, e.g., Ex. 1012, 108–09, Fig. 4-11. Thus, we determine that Petitioner has shown, by a preponderance of the evidence, that the subject matter of claim 3 would have been obvious over Leaning.” slip op. at 34

  Patent outcomesUS 11,991,234 mixed
  Claim construction§ 103 obviousnesscites Phillips · KSR · Graham
  Patents in suitUS 11,991,234
• Lenovo (United States), Inc. v. University Of RochesterSome claims unpatentable
  PTAB · Feb 2, 2026 · IPR2024-01225 · APJ Thu A Dang · IPR · Final written decision

  Claims 1 and 3–7 are unpatentable as obvious; claims 8–12 were not shown unpatentable because the asserted grounds did not establish asynchronous operation between domains.

  RulingsFinal written decision

  • Claim Construction › Intrinsic evidence (Phillips canons) › Specification disavowal / 'present invention' languageDisclaimer not foundDecided for petitioner

    “specification is the ‘single best guide to the meaning of a disputed term,’ . . . and ‘is, thus, the primary basis for construing the claims.’” Trs. of Columbia Univ. in City of New York v. Symantec Corp., 811 F.3d 1359, 1362 (Fed. Cir. 2016) (citations omitted). Although Patent Owner contends that the Specification disparages systems that impose significant restrictions on the possible choices of frequencies (PO Resp. 21), we find availing Petitioner’s contention that “[s]upport for Patent Owner’s construction is absent from the specification.” Pet. Reply 10. As Petitioner points out, Patent Owner’s claim construction “appears to be based on a single paragraph of the ’443 patent referring to preexisting ‘synchronization schemes [that] restrict the phase relationship and relative frequencies of the clocks.” Id. That is, the only reference by Patent Owner to the Specification is that the Specification states that “Some synchronization schemes restrict the . . . relative frequencies of the clocks, thereby eliminating the need for hardware arbitration [27]. Unfortunately, these schemes impose significant restrictions on the possible choices of frequences.” PO Resp. 26 (citing Ex. 1001, 6:32–36). We agree with Petitioner that such disclosure in the Specification “does not describe how these synchronization schemes ‘restrict the phase relationship and relative frequencies’ with any specificity.’” Pet. the Specification that some schemes impose restrictions on the possible choices of frequency is not a disparagement of any system that has limited choices of frequency or would preclude the claims from covering such prior art techniques. Instead, as Petitioner points out, the Specification of the ’443 patent states “[t]he preferred embodiment uses four domains […] so that domains may vary somewhat in size and still be covered by a single clock.” Id. (citing Ex. 1001, 5:57–59). As Dr. Baker testified in support of Petitioner’s contention, “the preferred embodiment of the ’443 patent relies on a single external master clock that distributes a signal to the local PLL of each domain.” See Ex. 1032 ¶ 9. Thus, although Patent Owner contends that clock signals generated based on a master clock cannot be interpreted to be generated independently of the clock signals generated for others of the plurality of domains (PO Resp. 49), we agree with Petitioner that such claim construction would “exclude[] the preferred embodiment of the ’443 patent,” which is disfavored. Pet. Reply 11. For the reasons discussed above, we conclude that “changeable independently” of the other domains does not require that the separate clocks in the plurality of domains be globally-asynchronous.” slip op. at 12

  • Novelty / Anticipation (§102) › Priority / effective filing date / continuation supportPriority date, deniedDecided for petitioner

    “As both parties recognize, (PO Resp. 5; Pet. Reply 12), “[actual] [r]eduction to practice in the United States requires that the invention be embodied in tangible form.” Scott v. Koyama, 281 F.3d 1243, 1247 (Fed. Cir. 2002). In particular, actual reduction to practice requires a showing of the invention in a physical or tangible form that shows every element. not sufficient. See Kimberly-Clark v. Johnson & Johnson, 745 F.2d 1437, 1445 (Fed. Cir. 1984). Here, Patent Owner does not provide any evidence showing every element of the claims in physical or tangible form, as required, but rather contends that the Specification refers to the Paper, wherein the Paper stated that simulation using a software, SimpleScalar, was performed. PO Resp. 16. We are persuaded by Petitioner’s contention that the SimpleScalar simulation was not an actual reduction to practice of the claimed invention. Pet. Reply 12. As Petitioner points out, claim 1, for example, is directed to a “microprocessor,” wherein “Patent Owner has presented no evidence and has not alleged that any physical microprocessor was ever produced or operated.” Id. at 13; see PO Resp. 15–17. And as Petitioner points out, “Patent Owner has produced no evidence of any physical prototype of the claimed microprocessor that could have validated the simulation.” Pet. Reply 13–14. We agree with Petitioner that, at most, such simulation “demonstrated feasibility for prototyping of a microprocessor,” but not a tangible form of the microprocessor itself as required for an actual reduction to practice. Id. at 14; see also Standard Mfg. Co. v. United States, 25 Cl. Ct. 1, 67 (1991) (“The feasibility of the optical alignment system may have been proven by the optical mock-up, but the optical mock-up was not a reduction to practice of the proposed MHU–145/M trailer.”).” slip op. at 36

  • Obviousness (§103) › Graham factors (scope of art, differences, level of skill)UnpatentableNot shown unpatentableMixed

    “Here, we find that Petitioner has not met its burden to prove that one of ordinary skill in the art would have recognized that “the functional units of Georgiou operate asynchronously since they have different clocks.” Pet. 74 (citing Ex. 1002 ¶¶ 53–56, 211–219). Specifically, although Petitioner relies on Georgiou for teaching different clocks, Petitioner’s conclusory statement that such application would operate asynchronously requires gapfilling. Id. As Patent Owner points out, Georgiou discloses a clocking architecture in which “all domain clocks are derived from a shared master clock through predetermined rational dividers.” PO Resp. 49. Petitioner concedes during the oral hearing that, in systems such as Georgiou, each domain clock is set a fraction of a master clock, and thus, the various domain clocks are “possibly” synchronous with each other. Tr. 59:4–14 (JUDGE DANG: . . . would being fractions of the master, wouldn’t they be synchronized with each other? MR UHR: They may be, . . . the answer is possibly.”) Thus, we find Petitioner’s contention that a POSITA would have recognized that the functional units of Georgiou operate “asynchronously” lacks sufficient support in the record. We find the testimony of Dr. Baker insufficient to support Petitioner’s position. Ex. 1002 ¶¶ 53–56, 213, 215–219. In his declaration, Dr. Baker testified that he “provided several references . . . that explain operating domains asynchronous to one another while the domains operate synchronously.” Id. ¶¶ 215–219. However, although such references explain “globally asynchronous, local synchronous (GALS) systems” (id. ¶ 216), Dr. Baker does not explain why a POSITA “would have known that a functional unit of Georgiou also operates asynchronous with respect to at different frequencies.” Id. ¶ 217. Without evidentiary support, we are left with speculation and impermissible hindsight. See in Re Wagner, 379 F.2d 1011, 1017 (CCPA 1967). We decline to engage in speculation. See, e.g., In re Vaidyanathan, 381 F. App’x 985, 993 (Fed. Cir. 2010); In re Wallen, 565 F. App’x 867, 869 (Fed. Cir. 2014), both citing In re Zurko, 258 F.3d 1379, 1386 (Fed. Circ. 2001) ([T]he Board must point to some concrete evidence in the record in support of these findings.”). In sum, based on our review of the record, we find Petitioner’s showing is insufficient. Thus, based on the complete record presented, we determine that Petitioner has not persuasively shown that Georgiou teaches “operating the microprocessor such that each domain operates synchronously, while the domains operate asynchronously relative to one another,” as recited in claim 8.” slip op. at 28

  • BurdenMixed

    “of ordinary skill in the art would have recognized that “the functional units of Georgiou operate asynchronously since they have different clocks.” Pet. 74 (citing Ex. 1002 ¶¶ 53–56, 211–219). Specifically, although Petitioner relies on Georgiou for teaching different clocks, Petitioner’s conclusory statement that such application would operate asynchronously requires gapfilling. Id. As Patent Owner points out, Georgiou discloses a clocking architecture in which “all domain clocks are derived from a shared master clock through predetermined rational dividers.” PO Resp. 49. Petitioner concedes during the oral hearing that, in systems such as Georgiou, each domain clock is set a fraction of a master clock, and thus, the various domain clocks are “possibly” synchronous with each other. Tr. 59:4–14 (JUDGE DANG: . . . would being fractions of the master, wouldn’t they be synchronized with each other? MR UHR: They may be, . . . the answer is possibly.”) Thus, we find Petitioner’s contention that a POSITA would have recognized that the functional units of Georgiou operate “asynchronously” lacks sufficient support in the record. We find the testimony of Dr. Baker insufficient to support Petitioner’s position. Ex. 1002 ¶¶ 53–56, 213, 215–219. In his declaration, Dr. Baker testified that he “provided several references . . . that explain operating domains asynchronous to one another while the domains operate synchronously.” Id. ¶¶ 215–219. However, although such references explain “globally asynchronous, local synchronous (GALS) systems” (id. ¶ 216), Dr. Baker does not explain why a POSITA “would have known that a functional unit of Georgiou also operates asynchronous with respect to at different frequencies.” Id. ¶ 217. Without evidentiary support, we are left with speculation and impermissible hindsight. See in Re Wagner, 379 F.2d 1011, 1017 (CCPA 1967). We decline to engage in speculation. See, e.g., In re Vaidyanathan, 381 F. App’x 985, 993 (Fed. Cir. 2010); In re Wallen, 565 F. App’x 867, 869 (Fed. Cir. 2014), both citing In re Zurko, 258 F.3d 1379, 1386 (Fed. Circ. 2001) ([T]he Board must point to some concrete evidence in the record in support of these findings.”). In sum, based on our review of the record, we find Petitioner’s showing is insufficient. Thus, based on the complete record presented, we determine that Petitioner has not persuasively shown that Georgiou teaches “operating the microprocessor such that each domain operates synchronously, while the domains operate asynchronously relative to one another,” as recited in claim 8.” slip op. at 28

  Patent outcomesUS 7,089,443 mixed
  Claim construction§ 102 anticipation§ 103 obviousnesscites Phillips · KSR · Graham
  Patents in suitUS 7,089,443
• Boe Technology Group Co., Ltd. v. Optronic Sciences LLCSome claims unpatentable
  PTAB · Jan 26, 2026 · IPR2024-01130 · APJ Benjamin D M Wood · IPR · Final written decision

  Claims 5 and 6 are unpatentable over the instituted grounds; claims 7–9 were not shown unpatentable because their scope could not be ascertained.

  RulingsFinal written decision

  • PTAB / AIA Trials › Real party in interest / privityRpi dispute resolved for petitionerDecided for petitioner

    “After the hearing, with our authorization,1 Patent Owner moved to dismiss this proceeding because, according to Patent Owner, the Petition did not identify all real parties-in-interest as required be 35 U.S.C. § 312(a)(2). 1 IPR2024-01131, Paper 43, 45:1–8. Paper 42. Petitioner opposed the motion. Paper 44. We denied the motion. Paper 46.” slip op. at 2

  • Skill levelSkill level board ownOther

    “arguments and evidence in support of its proposed definition of the level of ordinary skill in the art at the time of the invention, we determine that Petitioner’s definition is too broad. Petitioner asserts that one of ordinary skill in the art would have “approximately one or more years of professional experience with electronic and optoelectronic system design.” Pet. 3. But Petitioner does not appear to dispute the testimony of Patent Owner’s declarant, Dr. Bretschneider, that “the field of optoelectronics” is “broad and expansive and encompasses solar cells, optical fiber, and any application of LEDs, not just the design of LED packages.” Ex. 2020 ¶ 78. Therefore, one having experience with optoelectronic system design would not necessarily have experience designing LED backlights for LCD displays. We have also carefully considered Patent Owner’s arguments and evidence in support of its proposed definition of the level of ordinary skill in the art at the time of the invention. In light of our analysis of the prior art and the AAPA, we determine that Patent Owner’s requirement of “at least one year of practical experience in design of LED packages and one year of practical experience in design of thermal management systems for LEDs” is not sufficiently precise. Patent Owner does not specify that the required experience is in the context of designing LED backlights for LCD displays. One having this experience would necessarily have experience addressing thermal-management concerns associated with such backlights.” slip op. at 18

  • Expert testimonyPetitioner expert discountedDecided for patent owner

    “Because Dr. Baker does not have the requisite experience designing LED backlights for LCD displays, he is not qualified to offer expert testimony from the vantage point of a person of ordinary skill in the art of designing LED backlights for LCD displays. Kyocera Senco Indus. Tools Inc. v. Int’l Trade Comm’n, 22 F.4th 1369, 1377–78 (Fed. Cir. 2022).” slip op. at 23

  • Claim Construction › Intrinsic evidence (Phillips canons) › Plain and ordinary meaning to a POSITATerm construed board ownDecided for petitioner

    “Neither party asserts that “connecting” is a term of art requiring expert testimony to construe. We agree with Petitioner that “connecting” should be construed consistently with the “fastener” term, because it is the “fastener” (or the second portion thereof) to which the circuit board is “connecting.” Because the parties agree that “fastener” is “[a] feature that attaches or holds something in place, “connecting” means “attaching or holding.”” slip op. at 26

  Patent outcomesUS 7,168,842 mixed
  Claim construction§ 103 obviousnesscites Phillips · KSR · Graham
  Patents in suitUS 7,168,842
• Kia Corp. / Toyota Motor Corp. v. Emerging Automotive LLCSome claims unpatentable
  PTAB · Jan 26, 2026 · IPR2024-01167 · APJ Georgianna W Braden · IPR · Final written decision

  Claims 1–5 and 7–21 are unpatentable over Kleve-based grounds; claim 6 was not shown unpatentable because the record did not support obviousness of key sharing.

  RulingsFinal written decision

  • Skill levelSkill level petitioner adoptedDecided for petitioner

    “Here, Petitioner asserts a person of ordinary skill in the art would have “had at least a four-year undergraduate degree in electrical engineering, automotive engineering, or a closely related field and at least two years of experience in the field of access control systems, vehicle electronics, and/or cryptography.” Pet. 8–9 (citing Ex. 1004 ¶ 85). Dr. Almeroth supports Petitioner’s position and further testifies that “[a]dditional education could substitute for professional experience and vice versa.” Ex. 1004 ¶ 85. Patent Owner does not assert a different level of skill in the art at the time of the alleged invention and appears to apply Petitioner’s proposed level of skill. See PO Resp. Patent Owner’s declarant, Dr. Malek, explicitly adopts Dr. Almeroth’s level of skill in the art but states that his opinions would be applicable under any reasonable definition for an ordinarily skilled artisan at the critical time. See Ex. 2021 ¶ 38. For the purposes of this Decision, we too adopt Petitioner’s level of ordinary skill in the art because it appears consistent with the problems addressed in the ’659 patent and the prior art of record.” slip op. at 12

  • Expert testimonyPetitioner expert creditedPatent owner expert discountedMixed

    “We do not agree with Patent Owner’s argument that Dr. Almeroth’s declaration testimony contradicts Kleve. See PO Resp. 27–29. Rather, as discussed previously, we find that Kleve’s vehicle owner can set a restriction, such as the rental start period, prior to step 214 in Kleve’s Figure 2 and that such restrictions can be associated with the e-key. We also do not agree with Patent Owner’s argument that (1) Dr. Almeroth’s declaration testimony contradicts his deposition testimony or that (2) Dr. Almeroth “admitted his testimony was wrong.” See PO Sur-Reply 7 (citing PO Resp. 47–48 (citing Ex. 2022, 27:5–10, 27:21–28:1; Ex. 2021 ¶ 96)). In a particular embodiment to which Dr. Almeroth was citing, he noted that the e-key is always generated after the rental agreement. See Ex. 2022, 26:14– 20. Then the following exchange occurs: Q. So you use typically and always. So always does not refer to all of the embodiments of Kleve, is that fair? A. I think a person of skill in the art could read Kleve and understand that there are probably multiple ways in which the flow of actions among the parties could occur. And I think thinking about a real world scenario, in most cases you have an agreement before you would generate an eKey, but maybe, maybe not. I don’t -- I don’t know that the real world is necessarily cut and dry. So reading -- a person reading Kleve would understand it’s describing embodiments where it’s scenario, but I don’t know that it would necessarily be a hard and fast rule in every embodiment or in the understanding a person of skill in the art would have. Id. at 28:3–20. There is nothing in the deposition testimony by Dr. Almeroth that appears inconsistent with his declaration testimony nor does there appear to be the kind of admission touted by Patent Owner. Instead, it is Dr. Malek who takes an overly narrow view of Kleve that appears inconsistent with Kleve’s disclosure when read as a whole. See, e.g., Ex. 2021 ¶¶ 82–88. Therefore, we do not credit or agree with Dr. Malek’s testimony that Kleve fails to teach the concept of a virtual key created with the agreed-upon rental period as a restriction. See id. ¶ 57. Thus, based on the entire trial record, we find that Petitioner has” slip op. at 33

  • Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation foundReasonable expectation foundDecided for petitioner

    “After review of the arguments and evidence, we agree with Petitioner’s position. Specifically, we agree that (1) both Kleve and Hatton are directed to use of electronic key systems for vehicles (see Ex. 1005 ¶¶ 7– 9, 39, 63; Ex. 1008, 1:48–52, 1:61–2:2, 5:25–34) and (2) encrypted communications would have been understood to be effective in preventing unauthorized access to the vehicle, something that is taught explicitly by Hatton (see Ex. 1008, 9:50–63). Given these disclosures by Kleve and Hatton, we find that a person of ordinary skill in the art would have had a at the challenged claims. Accordingly, we find that a person of ordinary skill in the art at the critical time would have had a reason to combine the teachings of Kleve with that of Hatton.” slip op. at 36

  • Obviousness (§103) › Motivation to combine / reasonable expectation of success › HindsightNot shown unpatentableNot shown unpatentable

    “We agree with Patent Owner. Petitioner’s argument appears to be purely hindsight analysis based on the teachings of the ’659 patent and the limitations of challenged claim 6 because there is insufficient evidence or teachings in the cited prior art to suggest the sharing of virtual keys. Petitioner’s argument that having “rental microbusiness” implemented as a “smart phone application” that enables sharing virtual keys is insufficient to show obviousness, because, as noted by Patent Owner, certain embodiments in Kleve appear to discourage or even hinder the sharing of virtual keys. These embodiments require the use of credentials associated with the virtual key, where the credentials can be “facial recognition, voice print recognition, matrix barcode (ex. two-dimensional code), code word or phrase for speech recognition, temporary mobile web login IDs and password, or other types service.” See Ex. 1005 ¶ 37. Dr. Almeroth testifies that multiple people could be authorized on the same vehicle if they collectively rent a vehicle and that a person of ordinary skill in the art would “have been motivated to enable each user to share the virtual key with other authorized users associated with the same rental request.” Ex. 1004 ¶ 55. But given Kleve’s disclosure that the system handles key generation and distribution (Ex. 1005 ¶ 39), the evidence does not show that a person of ordinary skill in the art would have wanted to give this control to each authorized user who has received an e-key. “It is impermissible to use the claimed invention as an instruction manual or ‘template’ to piece together the teachings of the prior art so that the claimed invention is rendered obvious.” Fritch, 972 F.2d 1260, 1266 (Fed. Cir. 1992) (citing In re Gorman, 933 F.2d 982, 987 (Fed. Cir. 1991)). Kleve’s teachings undermine Petitioner’s position, and do not support a finding of obviousness. Accordingly, we determine that Petitioner has not demonstrated by a preponderance of the evidence that Kleve alone or in combination with Hatton would have rendered dependent claim 6 obvious to a person of ordinary skill in the art at the critical time.” slip op. at 39

  Patent outcomesUS 11,738,659 mixed
  § 103 obviousnesscites Phillips · Graham
  Patents in suitUS 11,738,659
• Juniper Networks, Inc. v. Monarch Networking Solutions LLCSome claims unpatentable
  PTAB · May 5, 2025 · IPR2024-00175 · APJ Norman H Beamer · IPR · Final written decision

  Claims 7, 9–11, 13, 14, 16, and 17 are unpatentable as obvious over Biswas and Kumar; the remaining challenged claims were not shown unpatentable.

  RulingsFinal written decision

  • Skill levelSkill level petitioner adoptedDecided for petitioner

    “Pet. 14 (citing Ex. 1003 ¶¶ 62–64). Patent Owner does not dispute Petitioner’s proposal. PO Resp. 8–9. Petitioner’s proposal is consistent with the level of ordinary skill in the art as reflected by the asserted prior art. See Okajima v. Bourdeau, 261 F.3d 1350, 1355 (Fed. Cir. 2001); GPAC, 57 F.3d at 1579. On this record, the level of ordinary skill is neither in dispute nor dispositive of any challenge. For purposes of this Decision, we apply Petitioner’s articulation.” slip op. at 10

  • Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)No construction neededOther

    “Claim terms need only be construed to the extent necessary to resolve the controversy. Nidec Motor Corp. v. Zhongshan Broad Ocean Motor Co., 868 F.3d 1013, 1017 (Fed. Cir. 2017). The parties submit that no claim construction is necessary. Pet. 14; PO Resp. 15. We have not been presented with the need to construe any claim terms for this Decision. D.” slip op. at 11

  • Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation foundDecided for petitioner

    “We determine that Petitioner has provided sufficiently articulated reasoning with rational underpinnings for the proffered combined teachings of Biswas and Kumar. We are persuaded by Petitioner’s declarant’s testimony that one of ordinary skill would have known to use the masking techniques exemplified by Kumar to implement the disclosed operation in Biswas of edge routers providing hosts with port number ranges. Ex. 1003 ¶¶ 77, 97–101. Accordingly, we determine that Petitioner has proved by a preponderance of the evidence that one of ordinary skill in the art would have been motivated to combine Biswas and Kumar.” slip op. at 13

  • Obviousness (§103) › Graham factors (scope of art, differences, level of skill)UnpatentableNot shown unpatentableMixed

    “This disclosure is inconsistent with any suggestion that the Fangman system, when routing a telephone call to its destination, identifies the private IP address of the destination telephone by determining the port range to which the port number of the destination telephone belongs. When Fangman describes the NAPPT process, it does not indicate that port ranges are used, but rather repeatedly states that port numbers are used: The [service gateway] receives a data packet from the IP device, including a public destination IP address . . . a destination port number . . . and source information, NAPPTs the data packet, using the [public destination IP address] and the [destination port number] to identify the [IP telephone] . . . . Ex. 1024, code (57). Performing NAPPT on the data packet received from the destination may include using the public destination IP address and the destination port number to uniquely identify the IP telephone, and changing the public destination IP address to a private source IP address of the IP telephone while leaving the destination port number unchanged. Ex. 1024, 4:28–33. The SG 170 may maintain a table of semi-permanent mappings of the external IP address and ports to the internal hosts and ports. Ex. 1024, 8:49–51.” slip op. at 33

  Patent outcomesUS 8,693,369 mixed
  Claim construction§ 103 obviousnesscites Phillips · KSR · Graham
  Patents in suitUS 8,693,369
• Unified Patents, LLC v. VL Collective IP LLCSome claims unpatentable
  PTAB · Dec 18, 2023 · IPR2022-01086 · APJ Patrick M Boucher · IPR · Final written decision

  Claims 1, 3, 5, 9, 12, 13, and 15 are unpatentable over Sonohara; claims 20 and 21 were not shown unpatentable because Sonohara’s assignment rule is based on timestamps.

  RulingsFinal written decision

  • Skill levelSkill level petitioner adoptedDecided for petitioner

    “Patent Owner’s expert, Dr. Goodrich, proposes what Patent Owner characterizes as “a somewhat different level,” namely “an individual with at least a bachelor’s degree in Computer Science or related area and two years of experience developing software tools and/or computer systems for use in the area of audio or video creation, encoding, and/or distribution.” PO Resp. 13; Ex. 2007 ¶ 50. Although we agree that the respective articulations are “somewhat different,” they are generally similar, and our Decision does not depend on nuanced distinctions regarding the level of ordinary skill. Indeed, Dr. Goodrich describes his proposed articulation as “approximate,” such that “more work experience could compensate for less education or more education could compensate for less work experience.” Ex. 2007 ¶ 50. Because we find Petitioner’s proposal reasonable, consistent with the level of skill reflected by the prior art, and supported by Dr. Freedman’s testimony, we adopt it for this Decision. See Okajima v. Bourdeau, 261 F.3d 1350, 1355 (Fed. Cir. 2001) (the prior art may reflect an appropriate level of skill in the art). We nevertheless note that we would reach the same ultimate conclusion that claims 1, 3, 5, 9, 12, 13, and 15 (but not claims 20 and 21) have been shown to be unpatentable by a preponderance of the evidence were we to adopt Patent Owner’s proposal. See PO Resp. 13 (“this Response establishes that Petitioner’s arguments fail even under its preferred definition of the level of ordinary skill”).” slip op. at 12

  • Claim Construction › Intrinsic evidence (Phillips canons) › Preamble limiting or notNot reached

    “We need not resolve this dispute because we reach the same ultimate conclusion that Petitioner shows, by a preponderance of the evidence, that claims 1, 3, 5, 9, 12, 13, and 15 are unpatentable, but not that claims 20 and 21 are unpatentable, even if we apply Patent Owner’s proposed construction that the preambles are limiting and the first and second data files must be different. See Reply 15 (Petitioner asserting that “there is no need to construe the preambles as the prior art meets them even if construed”); Nidec Motor Corp. v. Zhongshan Broad Ocean Motor Co., 868 F.3d 1013, 1017 (Fed. Cir. 2017) (“[W]e need only construe terms ‘that are in controversy, and only to the extent necessary to resolve the controversy.’” (quoting Vivid Techs., Inc. v. Am. Sci. & Eng’g, Inc., 200 F.3d 795, 803 (Fed. Cir. 1999))). For purposes of this Decision, we accordingly treat the preambles of independent claims 1 and 9 as limiting, and with the recited “first data file” and “second data file” as distinct data files.4” slip op. at 14

  • Claim Construction › Intrinsic evidence (Phillips canons) › Lexicography (patentee as own lexicographer)Term construed board ownDecided for patent owner

    “We agree with Patent Owner’s contention that the emphasized sentence defines the term “content-related.” See PO Resp. 15–16 (Patent Owner arguing that “[t]here are thus three strong indications of lexicography: (1) ‘content-related’ is set off by quotation marks; (2) the patentee used the word ‘is’ to describe the term ‘content-related’; and (3) the patentee states what ‘content-related’ is ‘understood to mean.’” Nor does Petitioner disagree that the sentence is definitional. See Tr. 8:15–16 (referring to the “term content-related as it’s defined in the specification”). Indeed, in the Starz litigation, the district court also treated the sentence as definitional, a fact that we find significant as a matter of comity. See Ex. 1018, 111:24–112:1 (district court judge stating at Markman hearing, “I’m going to adopt . . . the express definition provided in the specification”). But like the district court, we discern insufficient reason to adopt the additional gloss that Patent Owner seeks to apply to the definition of “content-related.” That is, Patent Owner proposes that we additionally construe the phrase “syntactical meaning” within the definitional statement to arrive at Patent Owner’s proposed construction. PO Resp. 16–20. According to Patent Owner, “[t]he specification makes clear, through its use of consistent and repeated examples, that ‘syntactical meaning’ requires a specific relationship between the data segments within a data file: succeeding data segments within a data file must be ordered so as to present the content in its intended sequence when rendered.” Id. at 17 (citing VirnetX Inc. v. Cisco Sys., Inc., 767 F.3d 1308, 1317–19 (Fed. Cir. 2014); Alloc, Inc. v. ITC, 342 F.3d 1361, 1368–71 (Fed. Cir. 2003)). Patent Owner adds that the claims, the context provided by the problems solved by the ’794 patent, and the cross-examination testimony of Petitioner’s expert, Dr. Freedman, all support this additional aspect of Patent Owner’s proposed construction. Id. at 18–20. Relying on additional direct testimony by Dr. Freedman, Petitioner counters this position as “improperly import[ing] limitations from the specification that are not required by the claims” and “render[ing] other portions of claim 1 superfluous.” Reply 3 (citing Ex. 1016 ¶ 22); see Tr. 10:18–20 (Petitioner explaining at oral hearing that “the syntax information is simply just identification information which is used to find out what the order of the files is. But the identification information does not by itself indicate the order. It’s just an identifier.”). We agree with Petitioner that it would be imprudent to adopt Patent Owner’s additional gloss because, “[w]hile claims must be construed in light of the specification, . . . limitations from the specification are not to be read into the claims, . . . for ‘[i]t is the claims that measure the invention.’” Golight, Inc. v. Wal-Mart Stores, Inc., 355 F.3d 1327 (Fed. Cir. 2004) (quoting SRI Int’l v. Matsushita Elec. Corp. of Am., 775 F.2d 1107, 1121 (Fed. Cir. 1985) (other citations omitted). It is apparent that the Applicant for the ’794 patent understood how to define terminology recited in the claims, but chose to limit its definition of “content-related” in terms of the broader phrase “syntactical meaning” rather than through narrower specific reference to presentation order. In addition, claims 1 and 9 already specify “sequentially outputting the first and second data segments according to their chronological sequence,” which supports Petitioner’s observation that requiring an additional sequential order to “content-related . . . data segments” renders other portions of claim 1 superfluous. See Reply 3. We accordingly adopt the definitional construction provided by the” slip op. at 16

  • Claim Construction › Intrinsic evidence (Phillips canons) › Prosecution history disclaimer / disavowalDisclaimer not foundDecided for petitioner

    “As a basic principle of claim interpretation, prosecution disclaimer promotes the public notice function of the intrinsic evidence and protects the public’s reliance on definitive statements made during prosecution.” Omega Engineering, Inc. v. Raytek Corp., 334 F.3d 1314, 1323 (Fed Cir. 2003) (citing Digital Biometrics, Inc. v. Identix, Inc., 149 F.3d 1335, 1347 (Fed. Cir. 1998)) (emphasis added). As such, a statement during prosecution qualifies as a disavowal of claim scope only if it is “so clear as to show reasonable clarity and deliberateness” and “so unmistakable as to be unambiguous evidence of disclaimer.” Id. at 1325 (citations omitted). “Consequently, for prosecution disclaimer to attach, [Federal Circuit] precedent requires that the alleged disavowing actions or statements made during prosecution be both clear and unmistakable.” Id. at 1325–26. “The party seeking to invoke prosecution history disclaimer bears the burden of proving the existence of a clear and unmistakable disclaimer that would have been evident to one skilled in the art.” Mass. Inst. of Tech. v. Shire Pharms., Inc., 839 F.3d 1111, 1119 (Fed. Cir. 2016). And “[s]tatements by the patent owner are not considered in a vacuum; rather, the skilled artisan would look at the record as a whole in assessing claim scope.” Galderma Lab’s v. Amneal Pharma, 806 F. App’x 1007, 1010 (Fed. Cir. 2022) (citing Wang Labs., Inc. v. Toshiba Corp., 993 F.2d 858, 867 (Fed. Cir. 1993) (“The prosecution history must be examined as a whole in determining whether estoppel applies.”)). We have reviewed the prosecution history, which we summarize supra § I.A.3., and we have particularly reviewed those portions highlighted by Patent Owner. See PO Resp. 32–40. We reach the same conclusion as the district court in the Starz litigation that the standard for attachment of prosecution disclaimer is not met. See Ex. 1018, 109:15–22 (district court stating at Markman hearing, “I’ve also carefully reviewed the portions of the prosecution history relied on by VideoLabs, including the patentee’s arguments regarding the Shin and Rosenau references, and I’m up [sic: not6] persuaded there was a clear and unmistakable disclaimer of all assignment rules that perform assignments by using exact timing information”). slip op. at 20

  Patent outcomesUS 8,605,794 mixed
  Claim construction§ 102 anticipation§ 103 obviousnesscites Phillips · KSR · Graham
  Patents in suitUS 8,605,794
• ROKU, Inc. v. Universal Electronics, Inc.Some claims unpatentable
  PTAB · Nov 28, 2023 · IPR2022-00943 · APJ Sharon Fenick · IPR · Final written decision

  Claims 1–7, 9–13, 15, and 16 are unpatentable as obvious; claims 8 and 14 were not shown unpatentable.

  RulingsFinal written decision

  • Skill levelSkill level petitioner adoptedDecided for petitioner

    “Petitioner argues that: On or before 7/12/2017, [one of ordinary skill in the art] would have had a bachelor’s degree in computer science, in electrical engineering, or a related field, and approximately three years of experience or equivalent study in voice-controlled devices in smart home systems. Additional graduate education could 2 Neither party presents arguments or evidence relating to such objective evidence of nonobviousness. in the field could substitute for formal education. Pet. 18. We adopted this definition for the purposes of the Decision on Institution. Dec. on Inst. 8–9. Patent Owner adopts Petitioner’s definition. PO Resp. 4. We again adopt Petitioner’s definition, which is consistent with the level of skill as reflected in the prior art. See Okajima v. Bourdeau, 261 F.3d 1350, 1355 (Fed. Cir. 2001).” slip op. at 8

  • Claim Construction › Intrinsic evidence (Phillips canons) › Plain and ordinary meaning to a POSITATerm construed patent owner constructionDecided for patent owner

    “Absent a recitation of order, or an order mandated by grammar or logic, the steps of a method claim are not construed to require a particular order. See, e.g., Altiris, Inc. v. Symantec Corp., 318 F.3d 1363, 1369 (Fed. Cir. 2003). Patent Owner argues that the steps of claim 1, a method claim, must be performed in sequential order. PO Resp. 13–16. Without commenting on or conceding Patent Owner’s proposal, Petitioner contends that “the trial grounds meet this proposed construction.” Pet. Reply 24–25; Tr. 8:25–11:16. Our record does not reflect any indication that Patent Owner’s proposed construction requiring the sequential ordering of the method steps is not at least encompassed by the correct construction of claim 1. Because of this, and because Petitioner agrees that the arguments in the Petition meet this construction, we accept Patent Owner’s construction as correct for the purposes of this Decision.” slip op. at 10

  • Obviousness (§103) › Graham factors (scope of art, differences, level of skill)UnpatentableNot shown unpatentableMixed

    “We do not agree with Patent Owner that Petitioner’s showing uses the same sound data to teach the “first sound data” of limitation 1.a and the “second sound data” of limitation 1.c. Patent Owner is correct that Rosenberg’s claim 5 describes the determination of a volume threshold based on the volume of the ambient audio signal in which characteristic form(s) (e.g., the name of the user of the media player) are present. Ex. 1006, 13:66–21, 14:28–30. However, the Petition describes using Fu’s “predetermined threshold” in combination with Hart-787’s device, which attenuates audio output of a device upon detecting a user’s utterance intended to gain the attention of the device, in order to “include adjusting the audio output volume of a wirelessly-linked audio-producing device when the voice-controlled device determines that the ambient noise level at the time a Ex. 1004, 2:22–37, 5:61–6:10, 9:18–25; Ex. 1005 ¶¶ 24, 32, 54; Ex. 1003 ¶¶ 88–89). Petitioner further proposes including a threshold that is advantageously based on the environment in which the device is operating as described in Fu, for example to respond to differing levels of noise at different times of day. Id. at 26, 29–30, 40 (citing Ex. 1006, 10:42–67, 14:28–30; Ex. 1003 ¶¶ 48–53, 55, 58, 87, 91, 107–109). We agree with Petitioner that Patent Owner’s arguments address the references individually instead of addressing the combination of the teachings proposed in the Petition. See Pet. Reply 8, 13–14; see also Dec. on Inst. 21–22, 23–24, 25–26. The Petition relies upon a combination of elements of Hart-787 with the predetermined threshold as taught in Fu and with establishing such a threshold based on the operating environment of a device as in Rosenberg. Pet. 26–31, 34–41. Patent Owner is correct that Rosenberg’s threshold is set at the time of the utterance in Rosenberg’s claim 5 and cites Petitioner’s declarant as “conceding” issues regarding how “Rosenberg’s volume threshold is determined.” PO Resp. 20–21. But this argument and the ostensible concession do not squarely address the proposed combination, which combines Fu’s teaching of an adjustment unit that “compares the volume of the ambient noise received . . . to a predetermined threshold” with Rosenberg’s teaching that such “a threshold may be ‘determined based on the volume of [an] ambient audio signal.’” Pet. 39, 40 (emphasis omitted) (quoting Ex. 1006, 14:28–30). While Patent Owner argues that “Petitioner has not proposed using a predetermined/pre-set threshold or a previously established threshold based on environmental noise in the combination of Hart-787 with F[u] and Rosenberg” (PO Resp. 46), we find, on the contrary, that the Petition describes a combination based predetermined threshold” and on a threshold “determined according to an environmental noise level.” Pet. 29–30. Thus, we find Petitioner’s unpatentability grounds do not suffer from the issues Patent Owner argues are a consequence of the purported use of the same sound data for the “first sound data” of claim limitation 1.a and for the “second sound data” of claim limitation 1.c. We do not agree with Patent Owner’s arguments regarding Fu’s teachings with respect to limitation 1.e’s “transition from a first state having a first volume level to a second state having a second volume level that is less than the first volume level” because these arguments similarly do not address the proposed combination. See PO Resp. 26–30. The Petition cites Hart-787 for attenuating the volume of an audio-producing device when a wake word is issued. Pet. 32–34, 43–44. The Petition cites Fu for adjusting volume of an audio-producing device if the level of ambient noise exceeds a predetermined threshold. Id. at 36–39, 44–45. Thus, even if Fu teaches only increasing the volume of an audio-producing device if the predetermined threshold is exceeded, the Petition relies on the combination of teachings of Hart-787 and Fu, and Patent Owner’s argument that neither reference teaches “decreasing a controllable appliance’s volume output when a previously established volume threshold is exceeded” (PO Resp. 30) does not address the combination proposed. Patent Owner’s argument that “Petitioner has not proposed modifying Fu to decrease a controllable appliance’s volume output when a volume threshold is exceeded” (PO Resp. 30) similarly does not address the combination proposed in the Petition. We also find that the preponderance of the evidence supports Petitioner’s showing regarding the motivation to combine the references.” slip op. at 23

  • Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation foundReasonable expectation foundDecided for petitioner

    “We also find that the preponderance of the evidence supports Petitioner’s showing regarding the motivation to combine the references. transmitted volume down control signals as the means for attenuating audio output, Petitioner contends that Hart-787 “broadly teaches” that a device transmits control command signals to the audio-producing device, relying on the testimony of its declarant. See Pet. 23 (citing Ex. 1004, 5:47–51; Ex. 1003 ¶ 82), 43–44 (citing Ex. 1004, 1:67–2:7, 2:26–27, 5:47–51; Ex. 1003 ¶ 118). In addition, Petitioner shows that these control signals were well-known in the art and would have been known to one of ordinary skill in the art at the time of the invention, supporting its showing with additional testimony from its declarant. Id. at 44 (citing Ex. 10183, 2:39–47, 5:35–38; Ex. 10194 ¶¶ 3, 13; Ex. 1003 ¶¶ 44–45, 118). We conclude Petitioner’s evidence regarding the showing in Hart-787 is sufficient with respect to this point. Hart-787 describes altering a signal sent to the speaker to attenuate the audio from that speaker. Ex. 1004, 1:67– 2:1. Petitioner’s declarant testifies that using transmitted control signals to do this would have been known to one of ordinary skill. Ex. 1003 ¶¶ 44–45, 82, 118. We consider Petitioner’s evidence regarding what one of ordinary skill in the art would have understood from Hart-787’s disclosure to be sufficient for the showing regarding the “causing one or more commands to be automatically issued to the controllable appliance to thereby cause” that appliance to transition to a lower volume level, as required in limitation 1.e. While Patent Owner argues that Petitioner’s declarant “concede[s] that Hart- 787 does not disclose or teach how its voice-controlled device decreases the audio output of the controllable appliance,” the cited portion of the” slip op. at 25

  Patent outcomesUS 10,930,276 mixed
  Claim construction§ 103 obviousnesscites Phillips · KSR · Graham
  Patents in suitUS 10,930,276
• Western Digital Technologies, Inc. / Kioxia Corporation et al. v. Viasat, Inc.Some claims unpatentable
  PTAB · Nov 20, 2023 · IPR2023-00408 · APJ Elizabeth M Roesel · IPR · Final written decision

  Claims 1, 4, 8, 15, 17, and 19 are unpatentable as anticipated by Wu; claim 2 was not shown unpatentable under the Jo-Wu or Jo-Wan obviousness grounds.

  RulingsFinal written decision

  • Skill levelSkill level patent owner adoptedDecided for patent owner

    “The parties’ articulations of the level of ordinary skill in the art are similar, and we adopt parts of each party’s description of a POSITA’s education and experience. We agree with Patent Owner that computer engineering is a relevant field of study. PO Resp. 3. Our finding is supported by the ’700 Patent, which describes systems, devices, methods, and software for forward error correction for a flash memory system, which may be integrated with a computer, server, or other computing device. Ex. 1001, 3:23–30. We adopt Patent Owner’s proposal regarding the length of a POSITA’s practical experience—two years—rather than four years, as proposed by Petitioner. Neither Petitioner nor Dr. Dolecek assert that two years of practical experience would have been insufficient to acquire POSITA’s experience would have been limited to “hardware implementation.” PO Resp. 3. Our finding is supported by the ’700 Patent, which states that “embodiments may be implemented by hardware, software, firmware, middleware, microcode, hardware description languages, or any combination thereof.” Ex. 1001, 10:26–28. Petitioner’s assertion that a POSITA needs to have experience in “error correction coding (‘ECC’) systems (which include forward error correction or ‘FEC’systems)” (Pet. 19; Ex. 1003 ¶ 25) is consistent with the ’700 Patent, which discloses methods, systems, and devices for forward error correction for flash memory. Ex. 1001, code (57); see also Ex. 1003 ¶¶ 57, 66 (explaining that error correction coding (“ECC”) includes forward error correction (“FEC”)). For these reasons, we find that a POSITA would have had a bachelor of science degree in electrical engineering, computer engineering, or computer science or a related field, and two years of experience designing, developing, or researching error correction coding systems, which include forward error correction systems.” slip op. at 9

  • Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)No construction needed

    “The Board is required to construe ‘only those terms . . . that are in controversy, and only to the extent necessary to resolve the controversy.” Realtime Data, LLC v. Iancu, 912 F.3d 1368, 1375 (Fed. Cir. 2019) (quoting Vivid Techs., Inc. v. Am. Sci. Eng’g, Inc., 200 F.3d 795, 803 (Fed. Cir. 1999))). Neither party seeks express constructions of any claim terms. See Pet. 20; see generally PO Resp. We do not need to provide an express construction for any claim terms for purposes of resolving the controversy before us. slip op. at 11

  • Expert testimonyPetitioner expert creditedPatent owner expert discountedDecided for petitioner

    “We find that Dr. Dolecek’s testimony about Wu’s Figure 8 and a “plurality of data streams” is more credible than Dr. Bagherzadeh’s testimony on this topic. Dr. Bagherzadeh testifies that Wu’s scrambler “does not split, copy, or otherwise ‘generate a plurality of partially decoded data streams.’” Id. ¶¶ 100, 108. But that testimony fails to take into account what the depiction of multiple double-sided arrows in Wu’s Figure 8 would have meant to a POSITA, as Dr. Dolecek testifies. Ex. 1003 ¶ 86 (reproducing Wu’s Figure 8 with double-headed arrows between ECC engines 822-0 to 822-M and scrambler 103 shaded yellow to identify a “plurality of partially decoded data streams”). The evidence does not support Dr. Bagherzadeh’s opinion that Wu’s Figure 8 is “incompatible” with Wu’s description and “there’s no way to generate a plurality of data streams from the Scrambler to the ECC Engines.” Ex. 2023 ¶ 109. As Dr. Dolecek explained below, when viewed through the eyes of a POSITA, Wu discloses that the scrambler can generate a plurality of data streams.” slip op. at 18

  • Novelty / Anticipation (§102) › Anticipation standard (single reference, every element)UnpatentableUnpatentable

    “arrows between scrambler 103 and ECC Engines 822-0 to 822-M in Wu’s Figure 8 is sufficient to disclose the generation of a plurality of data streams, as claimed. Pet. 36–37; Pet. Reply 2–6. As between Petitioner’s position that the multiple arrows in Wu’s Figure 8 represent multiple data streams (Pet. 36–37; Pet. Reply 2–3), and Patent Owner’s position that “those arrows are not meant to be taken literally as literal data streams” (Tr. 35:16–17), we find that Petitioner’s position is more reasonable, consistent with the legal standard for anticipation, and amply supported in the record. “In an anticipation analysis, the dispositive question is whether a skilled artisan would ‘reasonably understand or infer’ from a prior art reference that every claim limitation is disclosed in that single reference.” Acoustic Tech., Inc. v. Itron Networked Sols., Inc., 949 F.3d 1366, 1373 (Fed. Cir. 2020) (citing Akamai Techs., Inc. v. Cable & Wireless Internet Servs., Inc., 344 F.3d 1186, 1192 (Fed. Cir. 2003)). “Expert testimony may shed light on what a skilled artisan would reasonably understand or infer from a prior art reference.” Id. (citing Monsanto Tech. LLC v. E.I. DuPont de Nemours & Co., 878 F.3d 1336, 1345 (Fed. Cir. 2018)).” slip op. at 17

  Patent outcomesUS 8,615,700 mixed
  Claim construction§ 102 anticipation§ 103 obviousnesscites Phillips · KSR · Graham
  Patents in suitUS 8,615,700
• Western Digital Technologies, Inc. / Kioxia Corporation et al. v. Viasat, Inc.Some claims unpatentable
  PTAB · Nov 20, 2023 · IPR2022-01126 · APJ Elizabeth M Roesel · IPR · Final written decision

  Claims 1, 4, 8, 15, 17, and 19 are unpatentable as anticipated by Wu; claim 2 was not shown unpatentable under the asserted obviousness grounds.

  RulingsFinal written decision

  • PTAB / AIA Trials › Joinder §315(c) / SAS all-or-nothingJoinder, grantedGranted

    “1 Kioxia Corporation and Kioxia America, Inc. filed a petition and a motion for joinder in IPR2023-00408 and have been joined as petitioners to this proceeding. INTRODUCTION A. Background and Summary Western Digital Technologies, Inc. (“Petitioner”) filed a Petition (Paper 1, “Pet.”) seeking an inter partes review of claims 1, 2, 4, 8, 15, 17, and 19 (the “challenged claims”) of U.S. Patent No. 8,615,700 B2 (Ex. 1001, “the ’700 Patent”). Viasat, Inc. (“Patent Owner”) filed a Preliminary Response. Paper 12 (“Prelim. Resp.”). We instituted an inter partes review. Paper 13 (“Institution Decision” or “Inst. Dec.”). Kioxia Corporation and Kioxia America, Inc. (collectively, “Kioxia”) filed a substantively identical petition, and we granted institution and joined Kioxia as a petitioner to this proceeding. Paper 25 (copy of Paper 9 from IPR2023-00408).” slip op. at 1

  • Skill levelSkill level patent owner adoptedDecided for patent owner

    “The parties’ articulations of the level of ordinary skill in the art are similar, and we adopt parts of each party’s description of a POSITA’s education and experience. We agree with Patent Owner that computer engineering is a relevant field of study. PO Resp. 3. Our finding is supported by the ’700 Patent, which describes systems, devices, methods, and software for forward error correction for a flash memory system, which may be integrated with a computer, server, or other computing device. Ex. 1001, 3:23–30. We adopt Patent Owner’s proposal regarding the length of a POSITA’s practical experience—two years—rather than four years, as proposed by Petitioner. Neither Petitioner nor Dr. Dolecek assert that two years of practical experience would have been insufficient to acquire POSITA’s experience would have been limited to “hardware implementation.” PO Resp. 3. Our finding is supported by the ’700 Patent, which states that “embodiments may be implemented by hardware, software, firmware, middleware, microcode, hardware description languages, or any combination thereof.” Ex. 1001, 10:26–28. Petitioner’s assertion that a POSITA needs to have experience in “error correction coding (‘ECC’) systems (which include forward error correction or ‘FEC’systems)” (Pet. 19; Ex. 1003 ¶ 25) is consistent with the ’700 Patent, which discloses methods, systems, and devices for forward error correction for flash memory. Ex. 1001, code (57); see also Ex. 1003 ¶¶ 57, 66 (explaining that error correction coding (“ECC”) includes forward error correction (“FEC”)). For these reasons, we find that a POSITA would have had a bachelor of science degree in electrical engineering, computer engineering, or computer science or a related field, and two years of experience designing, developing, or researching error correction coding systems, which include forward error correction systems.” slip op. at 9

  • Novelty / Anticipation (§102) › Anticipation standard (single reference, every element)UnpatentableUnpatentable

    “arrows between scrambler 103 and ECC Engines 822-0 to 822-M in Wu’s Figure 8 is sufficient to disclose the generation of a plurality of data streams, as claimed. Pet. 36–37; Pet. Reply 2–6. As between Petitioner’s position that the multiple arrows in Wu’s Figure 8 represent multiple data streams (Pet. 36–37; Pet. Reply 2–3), and Patent Owner’s position that “those arrows are not meant to be taken literally as literal data streams” (Tr. 35:16–17), we find that Petitioner’s position is more reasonable, consistent with the legal standard for anticipation, and amply supported in the record. “In an anticipation analysis, the dispositive question is whether a skilled artisan would ‘reasonably understand or infer’ from a prior art reference that every claim limitation is disclosed in that single reference.” Acoustic Tech., Inc. v. Itron Networked Sols., Inc., 949 F.3d 1366, 1373 (Fed. Cir. 2020) (citing Akamai Techs., Inc. v. Cable & Wireless Internet Servs., Inc., 344 F.3d 1186, 1192 (Fed. Cir. 2003)). “Expert testimony may shed light on what a skilled artisan would reasonably understand or infer from a prior art reference.” Id. (citing Monsanto Tech. LLC v. E.I. DuPont de Nemours & Co., 878 F.3d 1336, 1345 (Fed. Cir. 2018)).” slip op. at 17

  • Expert testimonyPetitioner expert creditedPatent owner expert discountedDecided for petitioner

    “We find that Dr. Dolecek’s testimony about Wu’s Figure 8 and a “plurality of data streams” is more credible than Dr. Bagherzadeh’s testimony on this topic. Dr. Bagherzadeh testifies that Wu’s scrambler “does not split, copy, or otherwise ‘generate a plurality of partially decoded data streams.’” Id. ¶¶ 100, 108. But that testimony fails to take into account what the depiction of multiple double-sided arrows in Wu’s Figure 8 would have meant to a POSITA, as Dr. Dolecek testifies. Ex. 1003 ¶ 86 (reproducing Wu’s Figure 8 with double-headed arrows between ECC engines 822-0 to 822-M and scrambler 103 shaded yellow to identify a “plurality of partially decoded data streams”). The evidence does not support Dr. Bagherzadeh’s opinion that Wu’s Figure 8 is “incompatible” with Wu’s description and “there’s no way to generate a plurality of data streams from the Scrambler to the ECC Engines.” Ex. 2023 ¶ 109. As Dr. Dolecek explained below, when viewed through the eyes of a POSITA, Wu discloses that the scrambler can generate a plurality of data streams. After quoting from Dr. Dolecek’s deposition testimony (Ex. 2023 ¶ 107 (quoting Ex. 2024, 32:15–22)), Dr. Bagherzadeh asserts that “Dr. Dolecek does not explain how she believes the intra-channel operation of the Scrambler on the ‘one long data stream’ it receives could generate a account Dr. Dolecek’s testimony in response to follow-up questions from Patent Owner. Q So you have found the plurality of data streams in the three arrows of Figure 8 going from the scrambler to the ECC engines? A Yes. . . . Q And how exactly, in your understanding as a person of skill, does the scrambler generate that plurality? . . . THE WITNESS: . . . So the person of ordinary skill in the art would understand that these are multiple arrows here indicated explicitly to suggest parallel operations of the ECC engines. And for them to have parallel operations, a person of ordinary skill in the art would assume that they are receiving inputs at the same time, and the scrambler would, for example, do that by sending descrambled data to different engines at a time, one at a time. . . . Q So how does the scrambler’s function of intrachannel rearrangement generate multiple data streams? . . . THE WITNESS: Once it’s descrambled on a per-block basis, it simply sends that block to a given engine, ECC engine. . . . Q Can the scrambler send out multiple data streams in parallel at the same time? A If it’s designed like that, yes. Ex. 2024, 32:24–34:7 (objections and witness’s false start omitted). Q So describe for me how in Figure 8 that would work for your analysis where the scrambler receiving the data from the multiplexer would then generate the plurality of partially decoded data streams. A Right. Figure 8. So if it receives a long string of data that has already been processed by the 104 unit, it would perform intra- -- intrachannel, if you will, intrablock disarrangement of data. And then it could” slip op. at 18

  Patent outcomesUS 8,615,700 mixed
  Claim construction§ 102 anticipation§ 103 obviousnesscites Phillips · KSR · Graham
  Patents in suitUS 8,615,700
• Universal Electronics, Inc. / Gemstar Technology (Qinzhou) Co. Ltd. et al. v. ROKU, Inc.Some claims unpatentable
  PTAB · Oct 23, 2023 · IPR2022-00818 · APJ Patrick M Boucher · IPR · Final written decision

  Claims 1–5, 8–10, and 14 are unpatentable over RadioShack; claim 11 was not shown unpatentable over Wouters and Verzulli because the combination did not disclose the claimed combining and installing steps.

  RulingsFinal written decision

  • Novelty / Anticipation (§102) › Prior-art status of a reference › Printed publication / public accessibilityPrinted publication establishedDecided for petitioner

    “disseminated to the interested public, ‘public accessibility’ has been called the touch-stone in determining whether a reference constitutes a ‘printed publication’ . . . .” Jazz Pharm., Inc. v. Amneal Pharm., LLC, 895 F.3d 1347, 1356 (Fed. Cir. 2018) (quoting In re Hall, 781 F.2d 897, 898–99 (Fed. Cir. 1986)). A reference is considered “publicly accessible” if it was “disseminated or otherwise made available to the extent that persons interested and ordinarily skilled in the subject matter or art, exercising reasonable diligence, can locate it.” Id. at 1355–56 (citing In re Wyer, 655 F.2d 221, 226 (CCPA 1981)). Petitioner treats this requirement as having two aspects, namely (1) whether a person of ordinary skill could reasonably have found RemoteCentral.com and (2) whether such a skilled artisan could reasonably have found RadioShack on RemoteCentral.com. Reply 8–13; see also Tr. 33:25–34:8 (Patent Owner asserting that there are two aspects to the analysis on public accessibility: “The first is whether a [person of ordinary skill in the art] would have known to arrive at the website containing the prior art reference. The second one is . . . , [a]ssuming the [person of ordinary skill in the art] would have done so, would the [person of ordinary skill in the art], exercising reasonable diligence, have located the prior art reference on the site? And these are separate and distinct requirements, and if you fail one of them, the document is not publicly accessible.”).” slip op. at 27

  • Strike new argumentNew argument consideredDecided for petitioner

    “addressed squarely by the principles set forth in Hulu, which addresses the standards at the institution stage and during the trial for evaluating evidence proffered to show asserted art qualifies as a printed publication. Specifically, after a petitioner has presented “evidence sufficient to establish a reasonable likelihood that the reference was publicly accessible before the critical date of the challenged patent,” such that trial is instituted, “some limited opportunities exist for the petitioner to present new evidence later.” Hulu at 13–14. These “limited opportunities” include “in a reply to the patent owner response,” provided that the additional evidence is “responsive to the prior briefing” and provided that the additional evidence does not require “completely reopen[ing] the record, by, for example, changing theories after filing a petition.” Id. at 14–15. Although Patent Owner contends that “[t]his is not an example of permissible rebuttal evidence, but rather a belated attempt to fill a gap in the evidence in the Petition,” we disagree. See Sur-reply 6. Rather, the 7 Patent Owner appears to refer incorrectly to Exhibit 1040 instead of Exhibit 1041 when identifying “articles allegedly referring to RemoteCentral.com.” See Sur-reply 5–6. progression within the instant proceeding comports well with the Hulu framework. During the preliminary proceeding, Petitioner came forth with “evidence sufficient to establish a reasonable likelihood that [RadioShack] was publicly accessible before the critical date of the challenged patent,” just as Hulu demands. Hulu at 13; Inst. Dec. 23 (“[W]e determine that Petitioner’s showing regarding public accessibility of RadioShack is sufficient under the standard we apply at this stage of the proceeding.”). Patent Owner challenges RadioShack’s status as a printed publication in its Response, just as Hulu contemplates. Hulu at 15; PO Resp. 28–41. And Petitioner submits additional evidence that replies to that challenge without changing its theory that RadioShack qualifies as a printed publication by virtue of its accessibility on the RemoteCentral.com web site and in light of date indicia on RadioShack itself.8 See Hulu at 15–16; Reply 7–13. Moreover, in determining that Petitioner’s additional evidence directed at RemoteCentral.com is properly considered, we are further mindful of the Federal Circuit’s endorsement that “the petitioner in an inter partes review proceeding may introduce new evidence after the petition stage if the evidence is a legitimate reply to evidence introduced by the patent owner.” Anacor Pharm., Inc. v. Iancu, 889 F.3d 1372, 1830–81 (Fed. 8 In its Reply, Petitioner also relies on evidence of publication of RadioShack on Radio Shack’s own public website and on “a third location,” hifi-remote.com. Reply 14. As we discuss below, we determine that the presence of RadioShack on RemoteCentral.com is sufficient to qualify RadioShack as a printed publication. We therefore do not reach the issue of whether presence on either the Radio Shack web site or on hifi-remote.com is an improper new theory raised by Petitioner in its Reply. See Tr. 8:13– 9:23 (Petitioner discussing whether reliance on hifi-remote.com presents a different theory than set forth in the Petition). Cir. 2018); see also Vidstream LLC v. Twitter, Inc., 981 F.3d 1060, 1065 (Fed. Cir. 2020) (“The Board denied VidStream’s Motion to Exclude, holding that it was appropriate to permit Twitter to respond to VidStream’s challenge [to the status of Bradford as a printed publication] by providing additional evidence to establish the Bradford publication date. We conclude that the Board acted appropriately, for the Board permitted both sides to provide evidence concerning the reference date of the Bradford book, in pursuit of the correct answer.”). We accordingly give due weight to Petitioner’s additional evidence of RadioShack’s accessibility on the RemoteCentral.com web site.” slip op. at 25

  • ExcludeMotion to exclude, deniedDenied

    “1 Patent Owner objected to Petitioner’s demonstrative slides 45 and 68 as presenting a new argument that was not previously made with respect to challenged claims 2 and 10. Paper 27; see Paper 26 (Petitioner’s demonstratives), 45, 68. At the oral hearing, we reserved ruling on the objections. Tr. 5:23–6:3. Both slides reproduce the same portions of Exhibits 1002 and 1025, with the statement that “A press and hold for an auto-scan or brand-scan is admitted prior art.” Paper 26, 45, 68. As explained below, we do not reach the predicate position upon which the objections are based. See Tr. 5:8–11 (Petitioner stating that “this Board only needs to resolve this objection if it accepts Roku’s claim construction argument that the claims cover a press and hold of a single button, but that they do not cover pressing multiple buttons to present that argument in the alternative. So, if you reject that argument, you don’t even have to resolve the objection.”). We accordingly dismiss the objections as moot.” slip op. at 2

  • Skill levelSkill level patent owner adoptedDecided for patent owner

    “We agree with this assessment, and the parties do not specifically advocate for one articulation over the other in this proceeding. See Pet. 8 (Petitioner asserting that “[t]he Challenged Claims are unpatentable under both proposed levels”); PO Resp. 5 (Patent Owner stating its “position that the challenged claims are unpatentable under either proposed level of ordinary skill”). We adopt Patent Owner’s proposed statement of the level of ordinary skill as advanced in the related ITC Investigation. But we note that we would reach the same ultimate conclusion that Petitioner shows, by a preponderance of the evidence, that all challenged claims are unpatentable were we to adopt Petitioner’s proposal instead.” slip op. at 12

  Patent outcomesUS 8,378,875 mixed
  Claim construction§ 102 anticipation§ 103 obviousnesscites Phillips · KSR · Graham
  Patents in suitUS 8,378,875

Holdings, summaries, rulings, issues, outcomes, winners and claim constructions shown for a decision were generated by a large language model reading the opinion. They are a guide to the decision, not the decision. Confirm every one against the court's own text before relying on it. Outcomes read from the patent owner’s side. Party names are extracted from the decision and are missing on about 900 short Director denials and scans, which carry the trial number instead.