- Samsung Electronics Co., Ltd / Samsung Electronics America, Inc. et al. v. Staton Techiya, LLCInstitutedPTAB · Aug 16, 2024 · IPR2024-00559 · APJ Nathan A Engels · IPR · Institution
The Board instituted IPR of claims 1–12 on all asserted grounds, finding a reasonable likelihood that at least one challenged claim is unpatentable.
RulingsInstitution decision- PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)InstitutedInstituted
“On the current record, Petitioner’s arguments and evidence sufficiently show that the teachings of Fiedler and Broussard satisfy each limitation of claim 1 and that a person of ordinary skill would have had reasons to combine the references’ teachings. At this stage, Petitioner’s arguments and evidence are unrebutted, and we preliminarily determine Petitioner has shown a reasonable likelihood that it will prevail in its challenge to claim 1.” slip op. at 8
- Skill levelSkill level petitioner adoptedDecided for petitioner
“Petitioner contends that a person of ordinary skill in the art at the time of the alleged invention would have had a “Bachelor’s of Science degree (or equivalent) in electrical engineering, computer science, or a similar field and two years of experience in the design of digital audio systems and associated” slip op. at 5
- Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)No construction neededNot reached
“Petitioner states that no constructions are necessary and that the claim should be given their plain and ordinary meaning. Pet. 11. Based on the current record, we determine that it is not necessary to provide an express interpretation of any claim terms at this stage of the proceeding. See Realtime Data, LLC v. Iancu, 912 F.3d 1368 (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)).” slip op. at 6
- Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation foundInstituted
“Petitioner contends Fiedler suggests use of a processor, and Petitioner additionally cites Broussard as providing details of how to implement a recording device similar to Fiedler’s with a general-purpose computer, including a data processor, among other things. Pet. 22–26 (citing, e.g., Ex. 1002 ¶¶ 143–152; Ex. 1008 ¶¶ 2, 12, 15, 21, 24, Fig. 2). Petitioner contends a person of ordinary skill would have looked to Broussard’s teachings of signal processing to implement Fiedler’s teachings regarding event-activated recording and that combining the references’ teachings would have amounted to use of known techniques to improve a similar device. Pet. 28–32. On the current record, Petitioner’s arguments and evidence sufficiently show that the teachings of Fiedler and Broussard satisfy each limitation of claim 1 and that a person of ordinary skill would have had reasons to combine the references’ teachings. At this stage, Petitioner’s arguments and evidence are unrebutted, and we preliminarily determine Petitioner has shown a reasonable likelihood that it will prevail in its challenge to claim 1.” slip op. at 8
Claim construction§ 103 obviousnesscites Phillips · KSR · GrahamPatents in suitUS 11,610,587 - Cisco Systems, Inc. v. Corrigent CorporationNo claims unpatentablePTAB · Aug 6, 2024 · IPR2023-00447 · APJ Nathan A Engels · IPR · Final written decision
Claims 1–26 were not shown unpatentable because the Petition did not establish the claimed port assignment and packet labeling under Raz or adequately explain the Raz–Ferguson combination.
RulingsFinal written decision- Skill levelSkill level petitioner adoptedDecided for petitioner
“packet-switched networking, MPLS and LAG.” Pet. 6 (citing Ex. 1004 ¶¶ 57–58). Petitioner also states that a lack of work experience can be remedied by additional education, and vice versa. Pet. 6 (citing Ex. 1004 ¶ 57). Patent Owner “uses the same definition.” PO Resp. 4. We apply Petitioner’s level of ordinary skill, which is undisputed and is consistent with the level reflected by the ’602 patent and the asserted prior art.” slip op. at 6
- Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)No construction neededNot reached
“We construe claims using the principles set forth in Phillips v. AWH Corp., 415 F.3d 1303, 1312–17 (Fed. Cir. 2005) (en banc) and related cases. See 37 C.F.R. § 42.100(b) (2022). Under that precedent, the words of a claim are generally given their “ordinary and customary meaning,” which is the meaning the term would have to a person of ordinary skill at the time of the invention, in the context of the entire patent including the specification. Phillips, 415 F.3d at 1312–13. Neither party proposes any express claim constructions. Pet. 6–7; see PO Resp. 4. To the extent that the parties dispute the meaning of certain claim terms, we address those issues below, but we determine it is unnecessary to expressly construe any terms. See 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))).” slip op. at 6
- BurdenNot shown unpatentable
“Patent Owner argues, and we agree, that the cited portions of Raz do not disclose a LAG between two switches. PO Resp. 8–9. Petitioner acknowledges this; as stated in Petitioner’s Reply, “Petitioner has always acknowledged that Raz addresses the use of subports within an LSR, but a [person of ordinary skill in the art] would have found it obvious from Raz to use Ethernet physical data ports of a router or switch in an Ethernet LAG to communicate high-speed packet streams in [an] MPLS network.” Pet. Reply 2 (citing Pet. 15, 19, 22–25; Ex. 1021 ¶ 13; Ex. 1006, 1:16–19, 2:23– 31, 7:7–29, 11:3–12, 13:16–19, 14:42–44, 15:56–58, 17:7–9). Petitioner argues that LAGs were well known and, “[w]hile PO argues that Raz teaches the use of a single high-speed link to communicate between LSRs, that is merely a design choice.” Pet. Reply 3 (citing Ex. 1021 ¶¶ 15–17; PO Resp. 8–9). Further, Petitioner argues “[i]t would have been obvious to a [person of ordinary skill in the art] that high-speed packet streams could be communicated between switches or routers through a physical tunnel port of a LAG.” Pet. Resp. 3 (citing Ex. 1021 ¶¶ 15–17) (emphasis added). Among other problems, though, those arguments were not in the Petition; the Petition does not describe modifications of Raz’s teachings, much less establish those modifications as a “design choice.” See Pet. 25; see also PO Sur-reply 3. Further, we agree with Patent Owner that Raz is fundamentally different with its teachings of multiplexing the outputs of multiple slow- speed subports/processors into a single stream for transmission across a single high-speed link. PO Resp. 7–9, 12–13, 15–16; PO Sur-reply 4–5. As stated in Raz, “[t]he present invention provides a subport forwarding and provisioning mechanism whereby a plurality of subports comprising slower speed processors are used to perform the packet processing for a higher speed packet stream.” Ex. 1006, 6:24–27. Additionally, where Raz describes communication between two LSRs, Petitioner acknowledges that Raz teaches that its cited second LSR assigns the port on which it will receive a data packet. Pet. Reply 4; Ex. 1021 ¶ 20 (“in Raz, the second LSR chooses the subport that will be used to transmit the data packet from the first LSR and receive the data packet at the second LSR”). According to Petitioner, Raz teaches that “a first LSR generates a data packet label in which a port serial number is encoded and sends the label to a preceding LSR. Subsequently, the preceding LSR sends a data packet to the proper subport for processing. The process is then repeated in sending the data packet from the first LSR to a second LSR.” Pet. Reply 4 (citations omitted). “This technique just as easily could have been implemented to identify a single physical tunnel port through which a data packet in a first router or switch would be communicated to a second router or switch via a LAG.” Pet. Reply 4 (emphasis added) (citing Ex. 1006, 2:23–25, 7:7–16, 7:22–26, 11:3–29, Fig. 5; Ex. 1021 ¶ 18). Again, these arguments were not made in the Petition (see Pet. 22–25), and Petitioner’s assertions that Raz’s teachings “just as easily could have been implemented” in the manner claimed is improper hindsight and inconsistent with the fundamental differences between Raz’s multiplexing within an LSR and the claimed link aggregation and port assignment between MPLS/LAG switches.” slip op. at 8
- Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation not foundNot shown unpatentable
“[c]laims 1–13, 15–24 and 26 set forth above in Ground 1.” Pet. 52. Further, Petitioner states that “[f]or independent [c]laims 1, 15, and 26, Ferguson builds on the previous analysis of Raz by disclosing a system for communicating packets between switches and routers in an MPLS network.” Pet. 52; see Pet. 52–55. Critically, though, Petitioner does not specifically explain how the combined teachings of Raz and Ferguson would satisfy individual claim elements. Among other problems with Petitioner’s proposed combination, Petitioner does not adequately explain how or why a person of ordinary skill would have combined the references to include the claimed port assignment and packet labeling for transmission of a packet from a preceding node and then between a first and second MPLS switch. See Pet. 56–59. Instead, Petitioner generally advocates for the combination of Raz and Ferguson, arguing for example that “both Raz and Ferguson are directed to solving the problem of ensuring enough bandwidth is available to communicate high-speed packet streams through an MPLS network.” Pet. 57 (citing Ex. 1006, 10:60–11:12, 14:33–41, 15:47–55, 17:1–9, Fig. 5; Ex. 1007, 1:28–42, 2:54–57, 4:55–60; Ex. 1004 ¶¶ 247–249). Further, Petitioner contends a person of ordinary skill “would have understood from the disclosures in Ferguson that techniques for utilizing an Ethernet physical data port in a LAG to communication data packets between routers or switches in an MPLS network are also applicable to the use of subports transmitting the data packets within the routers or switches, and vice versa.” Pet. 59 (citing Ex. 1004 ¶ 250; Ex. 1007, 5:61–6:6); see Pet. 56–59; Pet. Reply 20. But Petitioner does not adequately explain how the proposed combination of Raz and Ferguson would cure the deficiencies addressed above in Petitioner’s analysis of Raz for Ground 1. Among other problems, none of Petitioner’s arguments adequately address port assignment and labeling in the proposed combination, much less adequately explain why the proposed combination would satisfy the challenged claims. See Pet. 55–56. As Petitioner does not adequately explain how the teachings of Raz and Ferguson might be combined to cure the deficiencies addressed above, we additionally determine Petitioner’s arguments and evidence advanced for the combination of Raz and Ferguson do not establish obviousness by a preponderance of the evidence for any of claims 1–26.” slip op. at 11
Patent outcomesUS 9,118,602 not shown unpatentableClaim construction§ 103 obviousnesscites PhillipsPatents in suitUS 9,118,602 - PTAB · Jul 22, 2024 · IPR2024-00374 · APJ Jason M Repko · IPR · Institution
The Board instituted IPR on claims 1–10 and all asserted grounds because the petition showed a reasonable likelihood of prevailing on at least one challenged claim.
RulingsInstitution decision- PTAB / AIA Trials › Discretionary denial › Fintiv (parallel litigation)Decided for petitioner
“petition for inter partes review. Cuozzo Speed Techs., LLC v. Lee, 136 S. Ct. 2131, 2140 (2016). In determining whether to exercise that discretion on behalf of the Director, the Board considers an early trial date in related litigation, among other factors, as part of an assessment of all relevant circumstances of the case—including the merits—to balance considerations such as system efficiency, fairness, and patent quality. Fintiv, Paper 11 at 5. When the same prior art is submitted in district court and to the Board, there are “concerns of inefficiency and the possibility of conflicting decisions.” Id. at 12. Petitioner can mitigate those concerns by presenting a stipulation not to pursue in a parallel proceeding the same grounds or any grounds that” slip op. at 7
- PTAB / AIA Trials › Discretionary denial › §325(d) same art / argumentsDecided for petitioner
“(2) if either condition of first part of the framework is satisfied, whether the petitioner has demonstrated that the Office erred in a manner material to the patentability of challenged claims. If a condition in the first part of the framework is satisfied and the petitioner fails to make a showing of material error, the Director generally will exercise discretion not to institute inter partes review.” slip op. at 9
- PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)InstitutedInstituted
“To institute an inter partes review, we must determine “that there is a reasonable likelihood that the petitioner would prevail with respect to at least 1 of the claims challenged in the petition.” 35 U.S.C. § 314(a) (2018). For the reasons discussed below, Petitioner has shown a reasonable likelihood that it would prevail with respect to at least one claim challenged in the Petition. Thus, we institute an inter partes review.” slip op. at 2
- Skill levelSkill level petitioner adoptedDecided for petitioner
“engineering, electrical engineering, or a related field, and (2) at least two years of industry experience in digital video processing, or a related field.” Pet. 3 (citing Ex. 10035 ¶¶ 76–78). Petitioner also asserts that “[a]dditional graduate education could substitute for professional experience, and vice versa.” Id. Patent Owner uses the same skill level in its Preliminary Response. Prelim. Resp. 21. We also apply Petitioner’s proposed skill level in this Decision. Pet. 3.” slip op. at 13
Claim construction§ 103 obviousnessDiscretionary denialcites PhillipsPatents in suitUS 8,090,025 - PTAB · Jul 18, 2024 · IPR2024-00372 · APJ Jason M Repko · IPR · Institution
The Board instituted review of claims 2–4 and 11 on all petition grounds, finding a reasonable likelihood that Samsung would show them unpatentable as obvious over Phek, Segall, Martins, and He.
RulingsInstitution decision- PTAB / AIA Trials › Discretionary denial › Fintiv (parallel litigation)Decided for petitioner
“such as system efficiency, fairness, and patent quality. Fintiv, Paper 11 at 5. When the same prior art is submitted in district court and to the Board, there are “concerns of inefficiency and the possibility of conflicting decisions.” Id. at 12. Petitioner can mitigate those concerns by presenting a stipulation not to pursue in a parallel proceeding the same grounds or any grounds that could have reasonably been raised before the Board. Sotera Wireless, Inc. v. Masimo Corp., IPR2020-01019, Paper 12 at 19 (PTAB Dec. 1, 2020) (precedential). Here, Petitioner has presented such a stipulation: if the Board grants institution, Petitioner “agrees not to pursue any grounds raised in the petition, or any grounds [Petitioner] could have reasonably raised in the petition, in [the] district court litigation or any parallel proceeding” Ex. 1028, 1. “Consistent with [Sotera], the PTAB will not discretionarily deny institution in view of parallel district court litigation where a petitioner presents a stipulation not to pursue in a parallel proceeding the same grounds or any grounds that could have reasonably been raised before the PTAB.” Katherine K. Vidal, Interim Procedure for Discretionary Denials in AIA Post-Grant Proceedings with Parallel District Court Litigation (USPTO June 21, 2022).5 Thus, we decline to exercise our discretion to deny the Petition.” slip op. at 7
- PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)InstitutedInstituted
“present arguments specifically directed to the subject matter recited in the rest of the claim. See Prelim. Resp. Even so, Petitioner has the burden to show that the challenged claims are unpatentable. Thus, we have reviewed Petitioner’s arguments and evidence submitted in connection with the remaining limitations and find them to be sufficient at this stage and on this record. From the current record, Petitioner has established a reasonable likelihood that it will prevail in demonstrating that claim 2 is unpatentable.” slip op. at 25
- Skill levelSkill level petitioner adoptedDecided for petitioner
“digital video processing, or a related field.” Pet. 3–4 (citing Ex. 10036 ¶¶ 123–125). Petitioner also asserts that “[a]dditional graduate education could substitute for professional experience, and vice versa.” Id. at 4. Patent Owner uses the same skill level in its Preliminary Response. Prelim. Resp. 13. We also apply Petitioner’s proposed skill level in this Decision.” slip op. at 8
- Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)No construction neededOther
“Patent Owner’s arguments, however, are based on an implicit construction for the second resolution converter. See § II.D.5.c supra. For the reasons discussed below, we disagree with Patent Owner’s arguments and the implicit construction. See id. Apart from rejecting the implicit construction of the second resolution converter, we agree with the parties that no claim term needs to be construed in this Decision.” slip op. at 9
Claim construction§ 103 obviousnessDiscretionary denialcites PhillipsPatents in suitUS 10,218,995 - Cisco Systems, Inc. / Dell Technologies Inc. et al. v. Corrigent CorporationSome claims unpatentablePTAB · Jul 3, 2024 · IPR2023-00169 · APJ Christopher L Ogden · IPR · Final written decision
Claims 1–10, 12–22, and 24–30 are unpatentable as obvious under § 103(a); claims 11 and 23 were not shown unpatentable.
RulingsFinal written decision- Skill levelSkill level petitioner adoptedDecided for patent owner
“Relying on Dr. Houh’s testimony, Petitioner argues that a person of ordinary skill in the art “would have had a working knowledge of the networking art that is pertinent to the ’431 patent, including network communications techniques and bandwidth management methodologies,” and “would have had a bachelor’s degree in computer science, computer engineering, electrical engineering, or an equivalent, and two years of professional experience relating to network communications including the use of logical topologies and bandwidth management. Lack of professional experience can be remedied by additional education, and vice versa.” Pet. 11 (citing Ex. 1003 ¶¶ 18–20). Patent Owner adopts Petitioner’s proposed definition of the level of ordinary skill. PO Resp. 3. Because Petitioner’s articulation of that level of skill is uncontested, supported by testimonial evidence, and appears consistent with the types of problems and solutions in the ’431 patent, we adopt it for this decision. See, e.g., Ex. 1001, 1:5–6:14.” slip op. at 8
- Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)No construction neededOther
“We see no significant difference between Petitioner’s proposed construction of in response to as “using” and Patent Owner’s proposed construction as “using information from.” Thus, it does not appear that the construction of in response to is genuinely in controversy. Thus, we need not construe the term for this decision. 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.’” (alteration in original) (quoting Vivid Techs., Inc. v. Am. Sci & Eng’g, Inc., 200 F.3d 795, 803 (Fed. Cir. 1999))). To the extent that we need to interpret any other claim language, we address that language below in the context of the prior art.” slip op. at 11
- Obviousness (§103) › Graham factors (scope of art, differences, level of skill)UnpatentableNot shown unpatentableMixed
“Considering the evidence of record on both sides, we find Petitioner’s argument persuasive that Baker teaches a “mapping” as recited in limitation 1.4. Baker’s disclosure of a “mapping” is explicit. See, e.g., Ex. 1005 ¶ 69, 83. And the evidence shows that this mapping occurs “in advance of a communication,” and may, for example, take place in the head node as part of the Administer Ring routine. See, e.g., Ex. 1005 ¶¶ 51–56, 76. That intermediate rings are ultimately configured to simply forward traffic “according to preconfigured rules” (Ex. 1005 ¶ 87) rather than to perform more complicated routing has no pertinent bearing on the process corresponding to the recited “mapping” step, which occurs “in advance” of the communication and any such forwarding (id. ¶ 76).” slip op. at 26
- Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation foundReasonable expectation foundDecided for petitioner
“allocating bandwidth as part of its resources and that, in light of Wright, a person of ordinary skill in the art would have had reason to make this allocation for each of the links in of the physical topology (see Ex. 1006 ¶ 18 (“bandwidth allocation at each link”)) using information from both (1) the bandwidth requirements of Baker’s logical connections and (2) the mapping between Baker’s logical and physical topologies. As Petitioner persuasively argues, we find that Wright’s teaching of further details on ensuring the availability of bandwidth, in a similar context, would have been sufficient motivation for a person of ordinary skill in the art to incorporate Wright’s teachings into Baker’s method. We also determine that whether Wright, itself, teaches a mapping step is not the determining factor because Petitioner relies on Baker, not Wright, for teaching mapping limitation 1.4. Nevertheless, Wright does teach allocating bandwidth using the same information that would be available as a result of Baker’s mapping, including the logical (“restricted”) topology and the physical links associated with that topology. In particular, we agree with Petitioner that a person of ordinary skill in the art would have understood that allocating bandwidth to the physical links (step 510 of Figure 5) requires knowing which physical links correspond to Wright’s restricted topology. See Pet. 36; Pet. Reply 22–23; Ex. 1007 ¶ 17; Ex. 1003 ¶¶ 94–96; Ex. 1036 ¶¶ 49–51. We also disagree with Patent Owner that Petitioner has failed to adequately explain how a person of ordinary skill in the art would have modified Baker’s method to apply Wright’s teachings on bandwidth allocation, such as how Baker’s head node N0 would have been modified. See PO Resp. 31–32. Based on the level of ordinary skill and the level of detail in Baker, Wright, and the ’431 patent, and crediting Dr. Houh’s testimony, we find Petitioner’s argument persuasive that such modification would have been within the capability of someone of ordinary skill in the art. See Pet. 17–20 (citing Ex. 1003 ¶¶ 42–46, 48). And we agree with Petitioner that modifying Baker with Wright’s teachings would have been “nothing more than the combination of known elements . . . according to known methods . . . to yield predictable results.” Pet. 20 (citing Ex. 1003 ¶ 47).” slip op. at 32
Patent outcomesUS 7,330,431 mixedClaim construction§ 103 obviousnesscites Phillips · KSR · GrahamPatents in suitUS 7,330,431 - Arista Networks, Inc. v. Corrigent CorporationSome claims unpatentablePTAB · Jul 3, 2024 · IPR2023-00515 · APJ Christopher L Ogden · IPR · Final written decision
Claims 1–10, 12–22, and 24–30 are unpatentable as obvious under § 103; claims 11 and 23 were not shown unpatentable.
RulingsFinal written decision- Expert testimonyPetitioner expert creditedDecided for petitioner
“For reasons explained in the Petition and Petitioner’s Reply, we agree with Petitioner that the Baker–Wright–Holender ’699 combination teaches summing the two bandwidths determined in “allocating” steps 12.5 and 12.7 to determine a total allocation for each of the physical links—motivated by the known need to ensure that bandwidths do not exceed the available physical link capacity. We disagree with Patent Owner that Holender ’699’s discussion of summing is merely describing a physical constraint. Holender ’699 teaches normalizing the logical link capacities, which requires summing the logical link capacities. See Ex. 1007, 8:38–51. We credit Dr. Houh’s testimony that this “confirms that [Holender ’699’s] teachings about summing are not simply ‘explaining a physical constraint,’ but actually performed.” Ex. 1036 ¶ 61. Holender ’699 refers to capacities 𝐶𝐶𝑗𝑗 as “logical link capacities for each logical link j over all logical networks. Ex. 1007, 6:52–55. But when mapped to physical links, Holender ’699 denotes capacities 𝐶𝐶𝑘𝑘𝑘𝑘 as “capacities of the logical links [𝑙𝑙] that need capacity on the k:th physical link.” Ex. 1007, 8:38–43. In other words, they are the capacities, or bandwidths, allocated to each physical link 𝑘𝑘 for implementing associated logical link 𝑙𝑙. See also id. at 6:60–67 (describing a matrix designed to indicate “if logical link j needs capacity on the k:th physical link.”).” slip op. at 50
- Skill levelSkill level petitioner adoptedDecided for petitioner
“Relying on Dr. Houh’s testimony, Petitioner argues that a person of ordinary skill in the art “would have had a working knowledge of the networking art that is pertinent to the ’431 patent, including network communications techniques and bandwidth management methodologies,” and “would have had a bachelor’s degree in computer science, computer engineering, electrical engineering, or an equivalent, and two years of professional experience relating to network communications including the use of logical topologies and bandwidth management. Lack of professional experience can be remedied by additional education, and vice versa.” Pet. 3 (citing Ex. 1003 ¶¶ 18–20). Patent Owner adopts Petitioner’s proposed definition of the level of ordinary skill. PO Resp. 3. Because Petitioner’s articulation of that level of skill is uncontested, supported by testimonial evidence, and appears consistent with the types of problems and solutions in the ’431 patent, we adopt it for this decision. See, e.g., Ex. 1001, 1:5–6:14.” slip op. at 8
- Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)No construction neededNot reached
“necessary because the construction does not resolve any contested issues. Pet. Reply 8–10 (citing Ex. 1005 ¶¶ 16, 62; Ex. 1006 ¶¶ 5, 24; Ex. 1003 ¶ 96; Ex. 1036 ¶¶ 49–50). But if a construction is necessary, Petitioner argues that the we should construe in response to as “using,” consistent with how the claimed invention is described in the ’431 patent. Id. at 10–11 (citing Ex. 1001, 2:52–6:10, 8:52–9:2; Ex. 1036 ¶¶ 7–11). Petitioner disagrees that the term means “based on” because limitation 1.3 uses the phrase based on, suggesting that the applicant made a conscious decision to use different language in limitation 1.5. Id. at 11 (citing Ex. 1036 ¶ 11). Patent Owner responds that its two proposed constructions are synonymous, and argues that Petitioner agrees that in response to encompasses “using” or “using information from.” PO Sur-reply 8 (citing Ex. 1001, 2:22–26). Patent Owner contends that its proposed construction resolves a controversy because in Patent Owner’s view, the Baker–Wright combination does not use information from the recited mapping to allocate bandwidth. Id. at 9–12 (citing Ex. 1006 ¶¶ 5, 17, 24; Ex. 2009, 52–56; Ex. 2008 ¶¶ 62–76). Similarly, Patent Owner contends that Holender ’699 does not teach mapping. Id. at 12–13 (citing Ex. 1007, 3:15–17; Ex. 2008 ¶¶ 89–92). We see no significant difference between Petitioner’s proposed construction of in response to as “using” and Patent Owner’s proposed construction as “using information from.” Thus, it does not appear that the construction of in response to is in controversy. Thus, we need not construe the term for this decision. 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.’” (alteration in original) (quoting Vivid Techs., Inc. v. Am. Sci & Eng’g, Inc., 200 F.3d 795, 803 (Fed. Cir. 1999))). To the extent that we need to interpret any other claim language, we address that language below in the context of the prior art.” slip op. at 10
- Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation foundReasonable expectation foundDecided for petitioner
“We find Petitioner’s arguments persuasive that Baker teaches allocating bandwidth as part of its resources and that, in light of Wright and Holender ’699, a person of ordinary skill in the art would have had reason to make this allocation for each of the links in of the physical topology (see Ex. 1006 ¶ 18 (“bandwidth allocation at each link”)) using information from both (1) the bandwidth requirements of Baker’s logical connections and (2) the mapping between Baker’s logical and physical topologies. As Petitioner persuasively argues, we find that Wright’s teaching of further details on ensuring the availability of bandwidth, in a similar context, would have been sufficient motivation for a person of ordinary skill in the art to incorporate Wright’s teachings into Baker’s method. Holender ’669 provides further supporting disclosure. We also determine that whether Wright, itself, teaches a mapping step is not the determining factor because Petitioner relies on Baker, not Wright, for teaching mapping limitation 1.4. Nevertheless, Wright does teach allocating bandwidth using the same information that would be available as a result of Baker’s mapping, including the logical (“restricted”) topology and the physical links associated with that topology. In particular, we agree with Petitioner that a person of ordinary skill in the art would have understood that allocating bandwidth to the physical links (step 510 of Figure 5) requires knowing which physical links correspond to Wright’s restricted topology. See Pet. 33; Pet. Reply 22–23; Ex. 1007 ¶ 17; Ex. 1003 ¶¶ 94–96; Ex. 1036 ¶¶ 49–51. We also disagree with Patent Owner that Petitioner has failed to adequately explain how a person of ordinary skill in the art would have modified Baker’s method to apply Wright’s teachings on bandwidth allocation, such as how Baker’s head node N0 would have been modified. See PO Resp. 31–32. Based on the level of ordinary skill and the level of detail in Baker, Wright, and the ’431 patent, and crediting Dr. Houh’s testimony, we find Petitioner’s argument persuasive that such modification would have been within the capability of someone of ordinary skill in the art. See Pet. 9–12 (citing Ex. 1003 ¶¶ 42–46, 48; Ex. 1021 ¶¶ 100–101). And we agree with Petitioner that modifying Baker with Wright’s teachings would have been “nothing more than the combination of known elements . . . according to known methods . . . to yield predictable results.” Pet. 11–12 (citing Ex. 1003 ¶ 47; Ex. 1021 ¶¶ 102–104).” slip op. at 34
Patent outcomesUS 7,330,431 mixedClaim construction§ 103 obviousnesscites Phillips · KSR · GrahamPatents in suitUS 7,330,431 - Cisco Systems, Inc. / Dell Technologies Inc. et al. v. Corrigent CorporationAll claims unpatentablePTAB · Jul 3, 2024 · IPR2023-00168 · APJ Nathan A Engels · IPR · Final written decision
Claims 1–20 are unpatentable under § 103 based on five grounds combining Klassen with Geiger, Kao, and/or Poulin.
RulingsFinal written decision- Skill levelSkill level petitioner adoptedDecided for petitioner
“Petitioner contends a person of ordinary skill in the art at the time of the invention would have had “a working knowledge of network communications, including ring networks and latency calculation methodologies” and “a bachelor’s degree in computer science, computer engineering, electrical engineering, or an equivalent training, and approximately two years of work experience in network communications.” Pet. 9 (citing Ex. 1003 ¶ 19). Petitioner also states that a lack of work experience can be remedied by additional education, and vice versa. Pet. 9 (citing Ex. 1003 ¶ 19). Patent Owner states that it uses the same definition of a person of ordinary skill in the art. PO Resp. 4. We determine Petitioner’s level of ordinary skill is supported by testimonial evidence and is consistent with the level reflected by the ’485 patent and the asserted prior art, and we apply Petitioner’s level of ordinary skill in this Decision.” slip op. at 5
- Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)No construction neededOther
“Neither party proposes any express claim constructions (Pet. 10; PO Resp. 3), but Patent Owner notes that the district court in the parties’ co-pending litigation construed certain claim elements, such as the preamble and “latency measurement packet” (PO Resp. 3 (citing Ex. 2001, 3; Ex. 2005 ¶ 38). We determine it is unnecessary to construe any terms. See 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))).” slip op. at 6
- Obviousness (§103) › Analogous artAnalogous artDecided for petitioner
“Contrary to Patent Owner’s focus on latency evaluations, “[t]he field of endeavor of a patent is not limited to the specific point of novelty, the narrowest possible conception of the field, or the particular focus within a given field.” Unwired Planet, LLC v. Google Inc., 841 F.3d 995, 1001 (Fed. Cir. 2016). “Unlike the reasonable-pertinence test, the field-of-endeavor test does not look to the problem that the patent purports to address.” Netflix, 80 F.4th at 1359. As noted by Petitioner, Geiger and the ’485 patent “both operate with ‘packet-switched network communications.’” Reply 17. In fact, Patent Owner acknowledges that the ’485 patent relates to packet-switched networks in describing the field as “latency evaluations in packet-switched networks.” PO Resp. 8. Likewise, the ’485 patent describes its field of invention broadly with latency measurements being the particular focus within the field, stating “[t]he present invention relates generally to network communication systems and protocols, and specifically to methods of latency measurements in packet-switched networks, and particularly in ring networks.” Ex. 1001, 1:6–9. And Geiger, describing its field of invention, states “[t]he present invention relates generally to data communication systems and, in particular, to a method and apparatus for adaptively compressing and expanding data packets in a data communication system.” Ex. 1006, 1:7–10. Further supporting Petitioner’s relatively broad recitation of the field of endeavor, each expert states that a person of ordinary skill would have had “approximately two years of work experience in network communications.” Ex. 2005 ¶ 24; see also Ex. 2005 ¶ 6 (Dr. Rouskas stating he is an expert “in network communication systems and especially packet-switched network communication systems and the various fields therein, including fields related to latency”). Weighing the evidence of record, we agree with Petitioner that the relevant field of endeavor of the ’485 patent is packet-switched network communications, and we further agree that Geiger is from the same field. Because we determine Geiger satisfies the field-of-endeavor test for analogous art, we do not reach the reasonably-pertinent test.” slip op. at 14
- Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation foundReasonable expectation foundDecided for petitioner
“The evidence of record establishes that disregarding packets received out of order was a known solution in the field of network communications. STRING CITE; Ex. 1051, 49:1–5 (Dr. Rouskas agreeing that a person of ordinary skill would understand the process for dropping out-of-order packets). Further, we credit Dr. Houh’s testimony that a person of ordinary skill would have understood the value in testing a network in view of the network’s ordinary packet handling such that “[t]reating out-of-order probative test packets just like common protocols treat out-of-order packets transmitted on the network would offer further insight into normal network operations.” Ex. 1003 ¶ 134. Contrary to Patent Owner’s arguments (PO Resp. 16–17), combining the relied-upon teachings of Geiger with Klassen would not have required considering out-of-order packets to be timed out, nor would the combination render Klassen’s teachings in operable; Patent Owner’s expert Dr. Rouskas agreed that a person of ordinary skill would understand the process for dropping out-of-order packets. Ex. 1051, 49:1–5. Weighing the evidence of record, we agree with Petitioner that a person of ordinary skill that understands the process for dropping out-of-order packets would have understood how to implement such a process in Klassen’s system with predictable success. See Pet. 29–30. Further, Klassen’s teachings regarding handling of timed-out packets do not rise to the level of teaching away from the proposed combination because nothing in Klassen criticizes, discredits, or otherwise discourages the known process of discarding out-of-order packets. In re Fulton, 391 F.3d 1195, 1201 (Fed.Cir.2004). Further, “a reference does not teach away if a skilled artisan, upon reading the reference, would not be ‘discouraged from following the path set out in the reference,’ and would not be ‘led in a direction divergent from the path that was taken by the applicant.’” Adapt Pharma Operations Ltd. v. Teva Pharms. USA, Inc., 25 F.4th 1354, 1370 (Fed. Cir. 2022) (quoting DePuy Spine, Inc. v. Medtronic Sofamor Danek, Inc., 567 F.3d 1314, 1327 (Fed. Cir. 2009)). Indeed, Klassen does not specifically address out-of-order packets, much less direct a person of ordinary skill to handle out-of-order packets in ways divergent from the known process of dropping such packets as described in Geiger. See Ex. 1005, 9:60–63; Ex. 1051, 70:20–71:5; Reply 20–21. Accordingly, weighing all of the evidence of record, we determine Petitioner has established that a person of ordinary skill would have had reason to combine the cited teachings of Geiger with the teachings of Klassen.” slip op. at 18
Patent outcomesUS 7,113,485 unpatentableClaim construction§ 103 obviousnesscites Phillips · KSR · GrahamPatents in suitUS 7,113,485 - PTAB · Jun 28, 2024 · IPR2024-00356 · APJ Gregg I Anderson · IPR · Institution
The Board instituted IPR on claims 1–3, 7–10, and 13–14 on all asserted grounds, finding a reasonable likelihood of success on at least one challenged claim.
RulingsInstitution decision- PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)InstitutedInstituted
“For the reasons stated below, we determine that Petitioner has established a reasonable likelihood that it would prevail with respect to at least one claim. See 35 U.S.C. § 314(a) (inter partes review may not be instituted unless “there is a reasonable likelihood that the petitioner would prevail with respect to at least 1 of the claims challenged in the petition.”). We therefore institute inter partes review as to all of the challenged claims of the ’636 patent and all of the asserted grounds of unpatentability. See SAS Inst. Inc. v Iancu, 138 S. Ct. 1348, 1356 (2018); 37 C.F.R. § 42.108 (a) (“When instituting inter partes review, the Board will authorize the review to proceed on all of the challenged claims and on all grounds of unpatentability asserted for each claim.”).” slip op. at 2
- Skill levelSkill level petitioner adoptedDecided for petitioner
“Patent Owner does not propose a level of ordinary skill. See Prelim. Resp. Petitioner’s proposal is supported by the testimony of Dr. Ghiasi and is consistent with the ’636 patent. Accordingly, we apply Petitioner’s articulation of the level of ordinary skill in the art of the ’636 patent.” slip op. at 13
- Claim Construction › Intrinsic evidence (Phillips canons) › Plain and ordinary meaning to a POSITATerm construed petitioner constructionDecided for petitioner
“Petitioner points to the ’636 patent as defining “‘property’ as “plain text that defines operations intended and expected in design data to be verified.” Pet. 13 (citing Ex. 1001, 1:20–22; Ex. 1003 ¶ 70). We preliminarily adopt Petitioner’s construction, to which Patent Owner does not respond, for purposes of this decision.” slip op. at 15
- Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation foundInstituted
“On this record, we determine Petitioner has adequately shown reasons for combining Abarbanel and Kobayashi for purposes of institution. We do question whether after a trial the combination will meet the preponderance of the evidence burden applied to final written decisions. We are not convinced that the lack of clarity is so compelling that we cannot decipher how the Petitioner asserts why a person or ordinary skill in the art would have combined Abarbanel and Kobayashi. Any one of the arguments made by Petitioner is sufficient at this stage, even if Petitioner presents contradictory alternatives. At this stage of the proceeding, alternative inconsistent theories for combining the references are permissible. We leave for trial the question whether or not Abarbanel’s RCTL technology would have been combinable with the state machine/statelist technology of Kobayashi. However, on this record, and giving weight to the Ghiasi Declaration, Petitioner sufficiently supports its assertion that a person of ordinary skill in the art “would have been motivated to combine Abarbanel with teachings for graphically editing IC specifications, including flowcharts, because the prior art is replete with teaching, suggestion, and motivation to do so.” Ex. 1003 ¶¶ 81–85. Furthermore, Abarbanel suggests related work involves “simulation efforts” with “automatically translating state machines.” Ex.1003 ¶ 122 (quoting Ex. 1004, 542).” slip op. at 21
Claim construction§ 103 obviousnesscites KSR · GrahamPatents in suitUS 7,603,636 - Samsung Electronics America, Inc. / Samsung Electronics Co., Ltd. v. Cobblestone Wireless, LLCInstitution deniedPTAB · Jun 24, 2024 · IPR2024-00319 · APJ Russell E Cass · IPR · Institution
The Board denied institution on all challenged claims because Petitioner did not show a reasonable likelihood of success on either obviousness ground.
RulingsInstitution decision- PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)Institution denied meritsInstitution denied
“that “the information presented in the petition filed under section 311 and any response filed under section 313 shows that there is a reasonable likelihood that the petitioner would prevail with respect to at least 1 of the claims challenged in the petition.” 35 U.S.C. § 314 (2018); see also 37 C.F.R § 42.4(a) (2021) (“The Board institutes the trial on behalf of the Director.”). The reasonable likelihood standard is “a higher standard than mere notice pleading,” but “lower than the ‘preponderance’ standard to prevail in a final written decision.” Hulu, LLC v. Sound View Innovations, LLC, IPR2018-01039, Paper 29 at 13 (PTAB Dec. 20, 2019) (precedential). For the reasons provided below and based on the record before us, we determine that Petitioner has not established a reasonable likelihood that any of the challenged claims are unpatentable. Accordingly, we do not institute an inter partes review based on the Petition.” slip op. at 2
- Skill levelSkill level petitioner adoptedDecided for petitioner
“Relying on Dr. Almeroth, Petitioner argues that one of ordinary skill “would have had at least a bachelor’s degree in electrical engineering, computer engineering, computer science, physics, or the equivalent, and at least two years of experience working in the field.” Pet. 6 (citing Ex. 1005 ¶ 41). Petitioner further states that “[r]elevant work experience would include experience with cellular telecommunications and networking, radioaccess network architectures, protocols, and signal propagation in wireless networks,” and that “[m]ore education can supplement practical experience and vice versa.” Id. At this stage of the proceeding, Patent Owner does not set forth a proposed level of ordinary skill in the art. See Prelim. Resp. For purposes of this Decision, we adopt the assessment of the level of ordinary skill in the art proposed by Petitioner and not disputed by Patent Owner as reasonable and consistent with the prior art. 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).” slip op. at 10
- BurdenNot shown unpatentable
“Under these facts, Petitioner has failed to set forth a sufficient basis to support the claim construction it relies on and, consequently has failed to establish a reasonable likelihood that its unpatentability arguments, which are based on that construction, have merit. Our conclusion in this regard is consistent with the Board’s prior decisions in Hologic, Orthopediatrics, and Samsung, upon which Patent Owner relies. See Prelim. Resp. 10–14. However, we note that our determination does not rely on discretionary denial or exclusively on Rule 42.104(b)(3), but rather it is based on Petitioner’s failure to demonstrate a reasonable likelihood that limitation [1.3] is obvious based on Sesia. Where a petitioner specifically relies on a particular construction of a claim term in order to demonstrate unpatentability, particularly a construction different from the ordinary meaning, that claim construction is part of the unpatentability analysis, and the petitioner must provide a sufficient basis to support that construction. See, e.g., Corephotonics, Ltd. v. Apple Inc., 84 F.4th 990, 1003 (Fed. Cir. 2023) (“In determining whether a claim is invalid as obvious, we compare the prior art to the claim language, and if necessary, after the claim language has been properly construed when the meaning or scope is in dispute.”). Here, Petitioner has not done so because: (1) Petitioner does not rely on the plain and ordinary meaning of the term, and its own expert testifies that its construction is contrary to the plain and ordinary meaning; (2) Petitioner offers no intrinsic or extrinsic evidence that the construction it relies on is correct; and (3) Petitioner and its expert assert that the proffered construction is inconsistent with the ’347 patent Specification.” slip op. at 20
- Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)Other
“Under these facts, Petitioner has failed to set forth a sufficient basis to support the claim construction it relies on and, consequently has failed to establish a reasonable likelihood that its unpatentability arguments, which are based on that construction, have merit. Our conclusion in this regard is consistent with the Board’s prior decisions in Hologic, Orthopediatrics, and Samsung, upon which Patent Owner relies. See Prelim. Resp. 10–14. However, we note that our determination does not rely on discretionary denial or exclusively on Rule 42.104(b)(3), but rather it is based on Petitioner’s failure to demonstrate a reasonable likelihood that limitation [1.3] is obvious based on Sesia. Where a petitioner specifically relies on a particular construction of a claim term in order to demonstrate unpatentability, particularly a construction different from the ordinary meaning, that claim construction is part of the unpatentability analysis, and the petitioner must provide a sufficient basis to support that construction. See, e.g., Corephotonics, Ltd. v. Apple Inc., 84 F.4th 990, 1003 (Fed. Cir. 2023) (“In determining whether a claim is invalid as obvious, we compare the prior art to the claim language, and if necessary, after the claim language has been properly construed when the meaning or scope is in dispute.”). Here, Petitioner has not done so because: (1) Petitioner does not rely on the plain and ordinary meaning of the term, and its own expert testifies that its construction is contrary to the plain and ordinary meaning; (2) Petitioner offers no intrinsic or extrinsic evidence that the construction it relies on is correct; and (3) Petitioner and its expert assert that the proffered construction is inconsistent with the ’347 patent Specification.” slip op. at 20
Claim constructionDiscretionary denialcites KSRPatents in suitUS 8,891,347 - Samsung Electronics America, Inc. / Samsung Electronics Co., Ltd. v. Cobblestone Wireless, LLCInstitution deniedPTAB · Jun 21, 2024 · IPR2024-00318 · APJ Barbara A Parvis · IPR · Institution
The Board denied institution because Petitioner did not show a reasonable likelihood that claims 1–5, 7, 8, 10, 12, 14, 17, 18, 20, or 21 were unpatentable under any asserted obviousness ground.
RulingsInstitution decision- PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)Institution denied meritsDenied
“35 U.S.C. § 314 and 37 C.F.R. § 42.4. We may institute an inter partes review if “the information presented in the petition . . . and any response . . . shows that there is a reasonable likelihood that the petitioner would prevail with respect to at least 1 of the claims challenged in the petition.” 35 U.S.C. § 314(a). Upon consideration of the contentions and the evidence of record, we conclude Petitioner does not establish a reasonable likelihood of prevailing in demonstrating the unpatentability of any of the challenged claims of the ’196 patent. Accordingly, we do not institute an inter partes review.” slip op. at 2
- PTAB / AIA Trials › Discretionary denialNot reached
“that any of the challenged claims of the ’196 patent is unpatentable on the grounds asserted in the Petition.4 V. ORDER In consideration of the foregoing, it is hereby: ORDERED that the Petition is denied, and no trial is instituted. 4 Because we deny the Petition on the merits, we do not reach Patent Owner’s request that we exercise our discretion to deny the Petition based on the either state of the related litigation or the filing of multiple petitions challenging the ’196 patent.” slip op. at 31
- Skill levelSkill level petitioner adoptedDecided for petitioner
“B. Level of Ordinary Skill in the Art Petitioner asserts that a person of ordinary skill in the art would have had at least a bachelor’s degree in electrical engineering, computer engineering, computer science, physics, or the equivalent, and at least two years of experience working in the field. Ex. 1003, ¶¶50–51. Less work experience may be compensated by a higher level of education or vice versa. Id. Relevant working experience would include experience with cellular telecommunications and networking, radio-access networking architectures, protocols and signal propagation in wireless networks. Id. 3 Neither party presents objective evidence of nonobviousness. Pet. 3 (citing Ex. 1003 ¶¶ 50–51). Petitioner’s proposal is undisputed. Prelim. Resp. 5. For purposes of this Decision, we adopt Petitioner’s assessment of the level of skill for one of ordinary skill in the art, except we decline to adopt “at least” as that language is vague and open-ended. Otherwise, we find that Petitioner’s proposed definition is consistent with the level of skill reflected in the specification of the ’196 patent and the asserted prior art references.” slip op. at 7
- Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)Plain and ordinary meaningNo construction neededDecided for petitioner
“Petitioner states that it “do[es] not believe any term needs to be expressly construed beyond its plain and ordinary meaning.” Pet. 10. Patent Owner agrees that “no explicit claim construction is necessary for the purposes of deciding institution.” Prelim. Resp. 5. For purposes of this decision, we use the plain and ordinary meaning of the terms of the claims. Based on the record before us, we need not make express determinations regarding claim construction to resolve a dispute between the parties. See 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)).” slip op. at 8
Claim construction§ 103 obviousnessDiscretionary denialcites Phillips · KSR · GrahamPatents in suitUS 8,554,196
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.