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  • PTAB · Dec 12, 2025 · IPR2025-01327 · APJ Sheila F Mcshane · IPR · Institution

    The Board instituted IPR of claims 1–19 on all asserted grounds, finding a reasonable likelihood of prevailing on the Schwan-Lee and Schwan-Lee-Strickland obviousness grounds.

    RulingsInstitution decision
    • PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)InstitutedInstituted

      “partes review. See 35 U.S.C. § 314; 37 C.F.R. § 42.4(a). Under 35 U.S.C. § 314(a), we may not authorize an inter partes review unless the information in the petition and the preliminary 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.” 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. We therefore institute inter partes review as to all of the challenged claims of the ’655 patent and all of the asserted grounds of unpatentability in the Petition.” slip op. at 2

    • Skill levelSkill level petitioner adoptedDecided for petitioner

      “III. ANALYSIS A. Level of Ordinary Skill in the Art Petitioner asserts that a person of ordinary skill in the art: would have had a bachelor’s degree in electrical engineering, computer engineering, computer science, or equivalent, and two years of work experience with network devices and communication technologies. EX1003, ¶¶17–19. Additional education might compensate for less experience, and vice versa. Pet. 4 (citing Ex. 1003 ¶¶ 17–19).” slip op. at 6

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

      “The ’655 patent Specification states that: The topology data table 21 of the online server 20 is mainly recorded with a link data 49 between each of the P2P devices 41– 46 within the P2P device community. The link data 49 refers to the connection relationship between the P2P devices 41–46, which includes, but is not limited to, the connection structure, connection data and/or locations of connection. Ex. 1001, 4:51–57. On this preliminary record, we agree with Petitioner that the term “link data” is a “connection relationship between the P2P devices.” This meaning is consistent with the ordinary meaning of the term within the context of the claim, that is, “link data” means data on the links (connections) between each of the P2P devices, where the Specification provides a more fulsome meaning that the term includes, at least, “the connection structure, connection data and/or locations of connection.” See id. at 4:55–57. We invite the parties to provide additional briefing on the construction of this term during trial.” slip op. at 8

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

      “Lee discloses that the P2P overlay is generated with the overlay generation unit 220 that generates the P2P overlay by analyzing information regarding “the corresponding application service, the peer, and the network,” where the network information “may include a network topology, a maximum bandwidth, a current network usage, [and] a transmission delay time, and the like.” Ex. 1005 ¶ 54. We determine that this disclosure provides support for Mr. Lett’s testimony that “Lee describes techniques for changing an overlay in response to changing network characteristics,” which could be beneficial. Ex. 1003 ¶ 48. Accordingly, on this preliminary record, we find this evidence is sufficient to support a rationale to combine Schwan and Lee. See KSR, 550 U.S. at 401 (“[I]f a technique has been used to improve one device, and a person of ordinary skill in the art would recognize that it would improve similar devices in the same way, using the technique is obvious.”).” slip op. at 13

    Claim construction§ 103 obviousnesscites Phillips · KSR · Graham
    Patents in suitUS 9,727,655
  • PTAB · Dec 4, 2025 · IPR2025-01103 · APJ Brian P Murphy · IPR · Institution

    The Board instituted IPR on claims 7–12 on all grounds, finding a reasonable likelihood that Lamkin and the asserted combinations render the claims obvious.

    RulingsInstitution decision
    • PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)InstitutedInstituted

      “We have jurisdiction under 35 U.S.C. § 314, which provides that an 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.” Under § 314, the Board may not institute review on fewer than all claims challenged in the petition. SAS Inst., Inc. v. Iancu, 138 S. Ct. 1348, 1359–60 (2018). If the Board institutes a review, it unpatentability asserted for each claim.” 37 C.F.R. § 42.108(a). Upon consideration of the Petition, the Preliminary Response, and the evidence of record, for the reasons set forth below, we conclude the Petition demonstrates a reasonable likelihood that Petitioner would prevail in showing the unpatentability of at least one challenged claim in the ’101 patent. Accordingly, we institute an inter partes review of claims 7–12 of the ’101 patent.” slip op. at 2

    • Skill levelSkill level petitioner adoptedDecided for petitioner

      “(“POSITA”), various factors may be considered, including the “type of problems encountered in the art; prior art solutions to those problems; rapidity with which innovations are made; sophistication of the technology; and educational level of active workers in the field.” In re GPAC, Inc., 57 F.3d 1573, 1579 (Fed. Cir. 1995) (citing Custom Accessories, Inc. v. Jeffrey- not exhaustive but are merely a guide to determining the level of ordinary skill in the art.” Daiichi Sankyo Co. v. Apotex, Inc., 501 F.3d 1254, 1256 (Fed. Cir. 2007). There is uncontested evidence in the record before us that reflects the knowledge and experience of a POSITA. For purposes of this Decision, we adopt the Petition’s formulation of the level of ordinary skill in the art, which is consistent with the description in the ’101 patent, the prior art of record, and the testimony of Dr. Zadok.” slip op. at 9

    • Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)Other

      “Petitioner contends that no claim terms need construction, but also contends that “claim interpretations on which this Petition depends are incorporated in and apparent from the prior art mapping analysis below.” Pet. 5. Patent Owner contends that Petitioner’s position contradicts the position Petitioner took in related district court litigation, particularly Petitioner’s district court constructions of means-plus-function limitations” slip op. at 10

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

      “Fiechter (Ground 1B) in the manner claimed in the ’101 patent with a reasonable expectation of success, which we find sufficient to satisfy the reasonable likelihood standard on the present record. Pet. 42–45 (citing Ex. 1003 ¶¶ 360–362, 372–382). The Petition also offers several motivations to combine Lamkin and Ito (Ground 1C) in the manner claimed in the ’101 patent with a reasonable expectation of success, which we also find sufficient on the present record. Pet. 49–52 (citing Ex. 1003 ¶¶ 383–401). The Preliminary Response does not challenge the Petition’s asserted motivations to combine Lamkin-Fiechter or Lamkin-Ito. Prelim. Resp. generally. On the present record at this stage of the proceeding, we determine the Petition sufficiently supports a motivation to combine Lamkin-Fiechter and Lamkin-Ito with a reasonable expectation of success for the reasons articulated in the Petition and Dr. Zadok’s cited declaration paragraphs.” slip op. at 21

    Claim construction§ 103 obviousnesscites KSR · Graham
    Patents in suitUS 8,230,101
  • PTAB · Nov 19, 2025 · IPR2025-00915 · APJ Arthur M Peslak · IPR · Institution

    The Board instituted IPR on claims 1–30 on both asserted § 103 grounds, finding a reasonable likelihood that Petitioner would prevail.

    RulingsInstitution decision
    • PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)InstitutedInstituted

      “to determine whether or not to institute an inter partes review. Paper 12, 2–3. We, thus, have authority, acting on the designation of the Director, to determine whether to institute an inter partes review under 35 U.S.C. § 314(a). See 37 C.F.R § 42.4(a) (2024) (“The Board institutes the trial on behalf of the Director.”). Under 35 U.S.C. § 314(a), an inter partes review may not be instituted unless the information presented in the Petition shows “there is a reasonable likelihood that the petitioner would prevail with respect to at least 1 of the claims challenged in the petition.” Considering the Petition, the Preliminary Response, and all supporting evidence, we conclude that the information presented in the Petition establishes a reasonable likelihood that Petitioner would prevail in its challenge of at least one claim of the ’621 patent as unpatentable. Pursuant to 35 U.S.C. § 314, we hereby institute an inter partes review of all challenged claims of the ’621 patent on the grounds stated in the Petition.” slip op. at 2

    • Skill levelSkill level petitioner adoptedDecided for petitioner

      “Petitioner, supported by Dr. Bajaj’s testimony (Ex. 1003 ¶¶ 24–27) submits that a person of ordinary skill in the art “would have been someone knowledgeable of and familiar with computer cluster systems and cluster computing techniques” in June 2006. Pet. 12. According to Petitioner, a person of ordinary skill in the art would have had a bachelor’s degree in computer science, computer engineering, electrical engineering, or an equivalent training, and approximately two years of experience working in the field of cluster computing or parallel processing and would be knowledgeable regarding high-level scientific computing languages. Additional work experience can substitute for specific educational background, and vice versa. Id. (citing Ex. 1003 ¶¶ 24–27). Patent Owner does not address Petitioner’s proposed level of ordinary skill in the art. See generally Prelim. Resp. For the purposes of this Decision, we adopt Petitioner’s undisputed level of ordinary skill in the art because it appears consistent with the problems address in the ’621 patent and the cited prior art. C. Claim Construction” slip op. at 10

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

      “Petitioner “submit[s] that no claim term requires express construction.” Pet. 12–13. Patent Owner does not address claim construction in the Preliminary Response. We determine, at this stage of the proceeding, that we need not construe any claim terms to resolve the controversy before us. 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 11

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

      “6. Printed Publication Status of Petitioner’s Asserted Prior Art The Federal Circuit instructs that “[t]o qualify as a printed publication, a reference ‘must have been sufficiently accessible to the public interested in the art.’” Blue Calypso, LLC v. Groupon, Inc., 815 F.3d 1331, 1348 (Fed. Cir. 2016) (citing In re Cronyn, 890 F. 3d 1158, 1160 (Fed. Cir. 1989)). “A reference will be 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. (citing Kyocera Wireless Corp. v. Int’l Trade Comm’n, 545 F. 3d 1340, 1350 (Fed. Cir. 2008)). Further, the question of whether a document qualifies as a “printed publication” for the purposes of 35 U.S.C. § 102 “involves a case-by-case inquiry into the facts and circumstances surrounding the reference’s disclosure to a member of the public.” Medtronic, Inc. v. Barry, 891 F.3d 1368, 1380 (Fed. Cir. 2018) (citing In re Klopfenstein, 380 F.3d 1345, 1350 (Fed. Cir. 2004)). At this stage of the proceeding, Petitioner “must identify, with particularity, evidence sufficient to establish a reasonable likelihood that the reference was publicly accessible before the critical date of the challenged patent and therefore that there is a reasonable likelihood that it qualifies as a printed publication.” Hulu, LLC v. Sound View Innovations, LLC, IPR2018- 01039, Paper 29, 13 (PTAB Dec. 20, 2019) (precedential). The reasonable likelihood standard “is lower than the ‘preponderance’ standard to prevail in in a final written decision.” Id.” slip op. at 16

    Claim construction§ 102 anticipation§ 103 obviousnesscites KSR · Graham
    Patents in suitUS 11,563,621
  • PTAB · Nov 7, 2025 · IPR2025-00913 · APJ Brian P Murphy · IPR · Institution

    The Board instituted review of claims 1–30 on all asserted grounds, finding a reasonable likelihood that claims 1–25, 27–28, and 30 are obvious over Menon, Trefethen, RS6000, and POEref.

    RulingsInstitution decision
    • PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)InstitutedInstituted

      “In an inter partes review, the burden of persuasion is on the petitioner to prove ‘unpatentability by a preponderance of the evidence,’ 35 U.S.C. § 316(e), and that burden never shifts to the patentee.” In re Magnum Oil Tools Int’l Ltd., 829 F.3d 1364, 1375 (Fed. Cir. 2016) (quoting Dynamic Drinkware, LLC v. Nat’l Graphics, Inc., 800 F.3d 1375, 1378 (Fed. Cir. 2015)); see also Aqua Products, Inc. v. Matal, 872 F.3d 1290, 1306 (Fed. Cir. 2017 (en banc (quoting Magnum Oil)). A patent claim is unpatentable under 35 U.S.C. § 103(a) if the differences between the subject matter sought to be patented and the prior art are such that the subject matter as a whole would have been obvious to a person of ordinary skill in the art at the time the invention was made. See KSR Int’l Co. v. Teleflex Inc., 550 U.S. 398, 406 (2007) (quoting 35 U.S.C. § 103(a)). Obviousness is resolved based on underlying factual determinations, including: (1) the scope and content of the prior art; (2) any differences between the claimed subject matter and the prior art; (3) the level of ordinary skill in the art; and (4) objective evidence of nonobviousness, i.e., secondary considerations. Graham v. John Deere Co., 383 U.S. 1, 17– 18 (1966). A party who petitions the Board for a determination of obviousness must show that “a skilled artisan would have been motivated to invention, and that the skilled artisan would have had a reasonable expectation of success in doing so.” Procter & Gamble Co. v. Teva Pharms. USA, Inc., 566 F.3d 989, 994 (Fed. Cir. 2009) (quoting Pfizer, Inc. v. Apotex, Inc., 480 F.3d 1348, 1361 (Fed. Cir. 2007)). We assess Petitioner’s evidence and argument according to the above- referenced obviousness standard. We determine that the Petition satisfies the reasonable likelihood of prevailing standard under 35 U.S.C. § 314(a). We begin our analysis with a discussion of the Menon, Trefethen, RS6000, and POEref references. slip op. at 15

    • Skill levelSkill level petitioner adoptedOther

      “In determining the level of ordinary skill in the art, various factors may be considered, including the “type of problems encountered in the art; prior art solutions to those problems; rapidity with which innovations are made; sophistication of the technology; and educational level of active workers in the field.” In re GPAC, Inc., 57 F.3d 1573, 1579 (Fed. Cir. 1995) (citing Custom Accessories, Inc. v. Jeffrey-Allan Indus., Inc., 807 F.2d 955, 962 (Fed. Cir. 1986)). “These factors are not exhaustive but are merely a Co. v. Apotex, Inc., 501 F.3d 1254, 1256 (Fed. Cir. 2007). There is uncontested evidence in the record before us that reflects the knowledge and experience of a POSITA. For purposes of this Decision, we adopt the Petition’s formulation of the level of ordinary skill in the art, which is consistent with the description in the ’034 patent, the prior art of record, and the testimony of both experts.” slip op. at 11

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

      “Petitioner relies on the ordinary and customary meaning of the claim terms consistent with the Phillips standard. Pet. 12–13 (citing 37 C.F.R. § 42.100(b)). The Petition addresses the construction of “peer-to-peer architecture” recited in independent claims 1 and 30 of the ’034 patent, a limitation we need not construe to decide the institution question. Id. at 13; Cir. 2011) (“[C]laim terms need only be construed ‘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)). Patent Owner contends that “no claim construction is required” to address the Petition’s asserted deficiencies. Prelim. Resp. 6. Patent Owner also contends, however, that the Petition relies on a “novel claim construction” of limitations [1.4.1] and [1.5.1]—“second [third] hardware processor with a plurality of processing cores”—to support Petitioner’s obviousness argument. Id. at 11–12.8 Patent Owner challenges the Petition’s reliance on “single core processors on different chips,” such as the Power3 single-core processors of the Symmetric Multi- Processor (“SMP”) configuration disclosed in the RS6000 reference, as a disclosure of limitations [1.4.1] and [1.5.1]. Id. Patent Owner contends that such single-core processors on different chips do not satisfy limitations [1.4.1] and [1.5.1] because the ’034 patent “claims only multicore processors.” Prelim. Resp. 5 (citing Ex. 1001, 7:15–27). Petitioner responds in part as follows: To the extent PO is implicitly arguing that RS6000’s “four, eight, twelve, or sixteen 375 MHz 630FP 64-bit processors” do not teach the recited “cores,” Patent Owner’s argument excludes embodiments described in the ’034 patent’s specification. The ’034 patent describes “[p]rocessor cores [as] generally independent microprocessors.” Ex.1001, 5:14–15. Patent Owner’s attempt to exclude RS6000 from the scope of the claims 8 Pursuant to the Board’s Order on Related Matter Updates (Paper 14), the parties filed the September 26, 2025 Claim Construction Order entered in the co-pending District Court litigation in this proceeding. Ex. 1085. The District Court Claim Construction Order did not construe the claim phrase “hardware processor with a plurality of processing cores.” Id. patent where the processor has independent microprocessors. Patent Owner’s attempt to distinguish RS6000’s Symmetric MultiProcessor as a “configuration” (Paper 8, 24) also fails because a “Symmetric MultiProcessor configuration” is no different than the ’034 patent’s description of a configuration of independent microprocessors. Id. Paper 9, 30.9 It is apparent there is a dispute over the plain meaning of Limitations [1.4.1] and [1.5.1], “a second [third] hardware processor with a plurality of processing cores,” recited in the independent claims.10 The parties are ordered to propose and support a particularized plain meaning or other construction of Limitations [1.4.1], [1.5.1], and [30.1.2] in their briefs. The parties are ordered to analyze the relevant claim language and cite to the specification and prosecution history in support of their claim construction, where applicable, with particular attention to the description of a hardware processor with a plurality of processing cores in the ’034 patent. See, e.g., Ex. 1001, 5:11–37, 7:14–36, 9:50–10:3.” slip op. at 12

    • Obviousness (§103) › Analogous artAnalogous artInstituted

      “Motivation to Combine and Analogous Art The Petition offers several motivations to combine Menon, Trefethen, RS6000, and POEref in the manner claimed in the ’034 patent with a reasonable expectation of success, which we find sufficient on the present record. The Petition first asserts that Menon and Trefethen are analogous prior art because they pertain to the same “field of cluster computing” as the ’034 patent and “are reasonably pertinent to the problem of the ’034 patent, namely, executing a single program on multiple nodes.” Pet. 22 (citing Ex.1001, 1:14–15; Ex.1003, ¶¶ 65–69; Ex. 1005, 2; Ex. 1006, Abstract). The Petition points out that Menon expressly cites and builds on the MultiMATLAB system taught by Trefethen. Id. (citing Ex. 1003 ¶ 71; Ex. 1005, 1–2). The Petition also contends that: Accordingly, Menon and Trefethen together represent a combination of prior art elements according to known methods (executing MATLAB code on a multiprocessor system) to yield the predictable result discussed in both papers: the MultiMATLAB system executing MATLAB in parallel to perform mathematical calculations. Id. at 22–23 (citing Ex. 1003 ¶ 70; Ex.1005, Abstract; Ex. 1006, 2–7). The Petition further contends that a POSITA would have found it predictable to combine Trefethen with Menon with a reasonable expectation of success” slip op. at 20

    Claim construction§ 102 anticipation§ 103 obviousnesscites KSR · Graham
    Patents in suitUS 11,570,034
  • PTAB · Nov 4, 2025 · IPR2025-00857 · APJ Jeffrey S Smith · IPR · Institution

    The Board instituted review of claims 1–27 on all asserted grounds, finding a reasonable likelihood of unpatentability for claims 21 and 23–26.

    RulingsInstitution decision
    • PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)InstitutedInstituted

      “Institution of an inter partes review may not be authorized by statute “unless . . . 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 record before us, we determine Petitioner has demonstrated a reasonable likelihood that it would prevail in establishing the unpatentability of at least one of claims 1– 27 of the ’058 patent. Accordingly, we institute the requested inter partes review.” slip op. at 2

    • Skill levelSkill level petitioner adoptedDecided for petitioner

      “A [person of ordinary skill in the art] at the time of the ’058 Patent would have had bachelor’s degree in computer engineering, electrical engineering, or a related field, with two to three years of experience with web-based information systems. Additional education or experience might substitute for the above requirements. Dec., ¶¶37-39. Pet. 3 (citing Ex. 1003 ¶¶ 37–39). Patent Owner contends that: A [person of ordinary skill in the art] at that time would be a person with a bachelor’s degree in computer science, computer engineering, or a closely related discipline and two years of relevant professional experience in software engineering or a 2 US Patent No. 6,119,155 issued Sept. 12, 2000 (Ex. 1004). 3 US Patent No. 6,037,934 issued Mar. 14, 2000 (Ex. 1005). 4 US Patent No. 6,353,839 B1 filed Apr. 30, 1998, issued Mar. 5, 2002 (Ex. 1006). 5 US Patent No. 6,493,702 B1 filed May 5, 1999, issued Dec. 10, 2002 (Ex. 1008). 6 US Patent No. 6,138,158 issued Oct. 24, 2000 (Ex. 1007). similar field. Alternatively, someone with an advanced degree and less professional experience or less education and more professional experience would also qualify as a [person of ordinary skill in the art]. Prelim. Resp. 11. Given that Patent Owner’s definition of a person of ordinary skill substantially overlaps with Petitioner’s definition, and given that Patent Owner does not challenge Petitioner’s definition, we apply Petitioner’s definition for purposes of this Decision.” slip op. at 6

    • Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)Term construed patent owner constructionDecided for patent owner

      “We agree with Patent Owner that the plain meaning of “beforehand locally stored” requires the claimed selection pages to be present on the local device before a user conducts a preliminary search. Even if we were to agree with Petitioner that a user could download and store selection pages to the local device, such downloading and storing must occur before the user locally performs a preliminary search in order for the selection pages to be “beforehand locally stored” within the scope of claims 1 and 27. We construe the terms “said selection pages being beforehand locally stored” recited in claim 1 and “said selection pages being . . . beforehand locally stored” recited in claim 27 as requiring the selection pages to be locally stored before a user locally performs a preliminary search.” slip op. at 8

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

      “We agree with Petitioner. Rossman discloses times when accessing a web page over the network is unavoidable. Col. 8; see Pet. 21. Himmel teaches that using a bookmark to directly access a desired page is quicker than navigating through intermediate pages to get to the desired page. See Pet. 22–23, 25. Patent Owner does not address Rossman’s disclosure that a request to a network web page may be unavoidable, and does not address Himmel’s disclosure of making a direct request to the desired web page to save time and conserve network resources when accessing the desired web page. On this record, we agree with Petitioner that adding Himmel’s bookmarks to Rossmann’s cards provides the benefit of directly accessing a particular web function, thus reducing network traffic and data usage as compared to navigating multiple web pages to arrive at the particular web function.” slip op. at 9

    Claim construction§ 103 obviousness
    Patents in suitUS 10,943,058
  • PTAB · Oct 7, 2025 · IPR2025-00597 · APJ David C Mckone · IPR · Institution

    The Board instituted review of claims 1–22 on all asserted grounds after finding a reasonable likelihood that claims 1–22 would have been obvious over Beel and Dinka.

    RulingsInstitution decision
    • PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)InstitutedInstituted

      “In sum, on the current record, Petitioner has shown a reasonable likelihood that claim 1 would have been obvious over Beel and Dinka. f) Claims 2–22 The parties present their arguments for independent claim 11 along with those for claim 1. Pet. 44–45; Prelim. Resp. 19, 23. Claims 2–10 and 22 depend, directly or indirectly, from claim 1. Claims 12–21 depend, directly or indirectly, from claim 11. Patent Owner does not present separate arguments for claim 11 or the dependent claims. We have analyzed Petitioner’s arguments and evidence for claims 2–22 (Pet. 36–46) and, on the current record, conclude that Petitioner has shown sufficiently that claims 2–22 would have been obvious over Beel and Dinka.” slip op. at 25

    • Skill levelSkill level petitioner adoptedDecided for petitioner

      “III. ANALYSIS A. Level of Ordinary Skill in the Art Petitioner, relying on the testimony of Dr. Almeroth and alleged admissions by Patent Owner in litigation, contends that a person of ordinary skill in the art would have had “a Master of Science (M.S.) degree in electrical engineering or computer science, and five years of work experience in a related field” and that “[a]dditional educational experience could substitute for some of the work experience.” Pet. 8 (citing Ex. 1002 ¶¶ 36–37). “Patent Owner does not dispute Petitioner’s proposed level of skill in the art at this time.” Prelim. Resp. 6. For purposes of this Decision, we adopt Petitioner’s description of the level of ordinary skill in the art, as it is consistent with the technology described in the ’346 patent and the asserted prior art. See Okajima v. Bourdeau, 261 F.3d 1350, 1355 (Fed. Cir. 2001).” slip op. at 7

    • Claim Construction › Threshold & procedure › Whether a term needs construction (O2 Micro)Term construed petitioner constructionNo construction neededOther

      “Patent Owner accepts the Petition’s claim construction for the purposes of” the Preliminary Response. Prelim. Resp. 5–6. In light of Patent Owner’s acceptance, and because the proposed constructions are, on this record, consistent with the evidence cited by Petitioner, we, too, accept Petitioner’s proposals for “providing simulations or translations, as required,” and “data transformations,” as recited in claim 1, for purposes of this Decision. Based on the record before us, we do not find it necessary to provide express claim constructions of any other claim terms. See Nidec Motor Corp. v. Zhongshan Broad Ocean Motor Co., 868 F.3d 1013, 1017 (Fed. Cir. 2017) (noting that “we 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)). slip op. at 8

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

      “Patent Owner argues that Dr. Almeroth does not provide a reason why a skilled artisan would have been motivated to combine Beel and Dinka, and that, instead, he “summarily concludes that Skype’s status as ‘well-known’ somehow would have motivated the combination of Dinka with Beel.” Prelim. Resp. 16. We disagree. Dr. Almeroth testifies that Skype, as taught in Dinka, would have been an example of the type of application that would have run on Beel’s system and that applying Dinka’s teachings would have improved Beel’s similar system in the same manner as it improved Dinka’s, with predictable results. Ex. 1002 ¶¶ 117, 132. See also KSR Int’l Co. v. Teleflex Inc., 550 U.S. 398, 417 (2007) (“[W]hen a patent ‘simply arranges old elements with each performing the same function it had been known to perform’ and yields no more than one would expect from such an arrangement, the combination is obvious.” (quoting Sakraida v. Ag Pro, Inc., 425 U.S. 273, 282 (1976))). On the current record, including Dr. Almeroth’s testimony, Petitioner’s proposed reasons to combine the teachings of Beel and Dinka have rational underpinning.” slip op. at 17

    Claim construction§ 103 obviousnesscites Phillips · KSR · Graham
    Patents in suitUS 11,966,346
  • PTAB · Oct 2, 2025 · IPR2025-00562 · APJ Thu A Dang · IPR · Institution

    The Board instituted review of claims 1–20 on all three § 103 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

      “whether to institute an inter partes review. Applying the standard set forth in 35 U.S.C. § 314(a), which requires demonstration of a reasonable likelihood that Petitioner would prevail with respect to at least one challenged claim, we grant Petitioner’s request and institute an inter partes review of all challenged claims.” slip op. at 2

    • Prior constructionPrior construction not adoptedDecided for petitioner

      “Court provided a construction for “one or more of the integrated RDC and integrated PDK enabling one or more of an application, a function, and a service,” as recited in claim 1, and “enablement signal enabling one or more of an application, a function and a service.” Prelim. Resp. 1–6. Although Patent Owner points to the District Court’s Memorandum in Support of Claim Construction Order (id. (citing Ex. 2001, 25–26)) to support its contention that the District Court construed the term “enabled,” as we determined in the prior proceedings, this portion of the District Court’s Memorandum merely discusses that “hybrid device” is not indefinite, and discusses exemplary operations of the “hybrid device” from which a POSITA “could reasonably ascertain the scope of the claim.” See Ex. 2001, 26; see also IPR2024-00405, Paper 8 at 11–12; IPR2024-00407, Paper 8 at 12–13; IPR2024-00784, Paper 12 at 10–11. That is, a determination of whether a term is indefinite is not the same thing as construing a claim term. Thus, as we previously explained, by determining that “hybrid device” is not indefinite, the District Court did not construe the term “enabled.” Ex. 2001, 26. Accordingly, although the referenced portion of the District Court’s Memorandum indicates that a POSITA could reasonably ascertain the scope of the claim (id.), nothing in the Memorandum provides a construction of “enabled” as Patent Owner contends. Prelim. Resp. 5. That is, we are unpersuaded that the District Court construed that “‘[a]n application, function, or service is ‘enabled’ by a PDK when it receives information from a PDK in exchange for an access key” or that “hybrid device” includes “an RDC that ‘enable[es] one or more of an application, a function, and a service’ when it forwards such a message to the application, function, or service.” Id. (emphasis omitted, alteration in original). Thus, as in the prior proceedings, we determine that “enabl[ing] one or more of an application a function, and a service” does not require receiving information from a PDK in exchange for an access key or forwarding a message to the application, function, or service.” Id.; see also IPR2024-00405, Paper 8 at 11–12; IPR2024-00407, Paper 8 at 12–13; IPR2024-00784, Paper 12 at 10–11.” slip op. at 10

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

      “Only those terms in controversy need to be construed, and only to the extent necessary to resolve the controversy. 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))). Petitioner proposes claim construction for “Personal Digital Key (PDK).” Pet. 8–9. Patent Owner does not take issue with Petitioner’s proposed construction for “PDK” but instead requests that we “follow the District Court’s construction” for “one or more of the integrated RDC and integrated PDK enabling one or more of an application, a function, and a service,” as recited in claim 1, and “enablement signal enabling one or more of an application, a function and a service,” with respect to claim 10. Prelim. Resp. 1–2. Because the parties do not take issue with each other’s proposed claim constructions, there is no term of the challenged claims that is in controversy, and thus, we determine that no term requires explicit construction. See Realtime, 912 F.3d at 1375. However, although it is not necessary to construe the term to resolve the disputed issues before us, we note that Patent Owner provides arguments with respect to “enabling one or more of an application, a function, and a service” recited in claims 1 and 10. Prelim. Resp. 1–2. We addressed similar arguments with respect to these terms in previous proceedings with related patents (see IPR2024-00405, Paper 8 at 11–12; IPR2024-00407, Paper 8 at 12–13; IPR2024-00784, Paper 12 at 10–11), and we similarly address Patent Owner’s contention in this proceeding.” slip op. at 7

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

      “have been motivated to integrate an RDC into Giobbi ’157’s hybrid device for communication with external PDKs based, in part on the teachings of Giobbi ’139.” Pet. 27. In particular, Petitioner contends that Giobbi ’139 “expressly teaches integrating an RDC into the same type of hybrid device disclosed in Giobbi ’157, a cell phone,” wherein “a ‘Personal Digital Key Digital Content Security System (PDK-DCSS) is used to protect computers from unauthorized use and protect the digital content stored on computers from being wrongfully accessed, copied, and/or distributed.’” Id. at 28 (citing Ex. 1005, Abstract). According to Petitioner, “Giobbi ’139 teaches that RDCs should be incorporated into hybrid devices like cell phones because these devices ‘commonly included’ data storage,” wherein “Giobbi ’139 identified such a configuration as an ‘enhancement.” Pet. 29 (citing Ex. 1005 ¶¶ 87–88). Further, according to Petitioner, “Giobbi ’157 teaches that it is advantageous to incorporate PDKs into ‘commonly carried items,’ like phone, since it would eliminate the need for a user to carry a separate PDK device and would reduce the risk of loss.” Id. at 30 (citing Ex. 1005 ¶ 35; Ex. 1003 ¶ 48). In addition, Petitioner contends that “the Dua patent’s RFID system configuration also provides motivation to integrate and RDC into Giobbi ’157’s hybrid device.” Id. In particular, according to Petitioner, “Dua teaches a hybrid device—e.g., a cell phone—which establishes wireless connections with other devices to enable functions and exchange data.” Id. (citing Ex. 1006, 6:46–65).” slip op. at 18

    Claim construction§ 103 obviousness
    Patents in suitUS 9,049,188
  • PTAB · Aug 27, 2025 · IPR2025-00565 · APJ St John Courtenay III · IPR · Institution

    The Board instituted IPR of claims 1–5 on all five grounds, finding a reasonable likelihood that claim 1 is obvious over Shin.

    RulingsInstitution decision
    • PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)InstitutedInstituted

      “review. See 35 U.S.C. § 314 (2018); 37 C.F.R. § 42.4(a) (2022). Under 35 U.S.C. § 314(a), we may not authorize an inter partes review unless the information in the petition and the preliminary 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.”” slip op. at 2

    • Skill levelSkill level petitioner adoptedDecided for petitioner

      “Relying on the declaration testimony of Dr. Stern, Petitioner contends that an ordinarily skilled artisan for the ’337 patent “would have had a minimum of a bachelor’s degree in computer engineering, computer science, electrical engineering, or a similar field,” and would have “approximately two years of industry or academic experience in a field related to controlling the audio output of electronic devices.” Pet. 7 (citing Ex. 1002 ¶¶ 30–34). Petitioner further asserts that “[w]ork experience could substitute for formal education and additional formal education could substitute for work experience.” Id.” slip op. at 12

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

      “repeatedly emphasized that an indefinite article “a” or “an” in patent parlance carries the meaning of “one or more” in open-ended claims containing the transitional phrase “comprising.” That “a” or “an” can mean “one or more” is best described as a rule, rather than merely as a presumption or even a convention. The exceptions to this rule are extremely limited: a patentee must “evince[ ] a clear intent” to limit “a” or “an” to “one.” The subsequent use of definite articles “the” or “said” in a claim to refer back to the same claim term does not change the general plural rule, but simply reinvokes that non-singular meaning. SanDisk Corp. v. Kingston Tech. Co., Inc., 695 F.3d 1348, 1360 (Fed. Cir. 2012) (quoting Baldwin Graphic Systems, Inc. v. Siebert, 512 F.3d 1338, 1342 (Fed. Cir. 2008)). These controlling case authorities are applicable here. At this stage, we preliminarily construe the scope of the claim 1[b] term “a user” as covering one or more users. Likewise, we preliminarily construe the scope of the 1[b] phrase “a voice spoken by a user” as covering one or more voices spoken by a single user, or by plural users.” slip op. at 15

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

      “under 35 U.S.C. § 103 as obvious over Shin under Ground 2. Pet. 30–35. Petitioner contends that “[i]f [Patent Owner] argues that Shin fails to disclose any limitations [under anticipation Ground 1], such limitations would have been obvious over Shin [under obviousness Ground 2].” Pet. 30. Therefore, we refer to Petitioner’s individual mappings for claim 1 to Shin as set forth under anticipation Ground 1 as also being applicable to obviousness Ground 2, because “anticipation is the epitome of obviousness.” Jones v. Hardy, 727 F.2d 1524, 1529 (Fed. Cir. 1984). We note that under Ground 2, no modifications are required to arrive at the claimed invention. Therefore, no showing of a motivation to modify Shin or a reasonable expectation of success is required. See Unification Techs. LLC v. Micron Tech Inc., 23-1348, 2024 WL 3738401, at *6 (Fed. Cir. Aug. 9, 2024) (nonprecedential). We have also considered the Declaration by Dr. Stern, as cited by Petitioner in support of institution. See Ex. 1002 ¶¶ 107–116.” slip op. at 18

    Claim construction§ 103 obviousnesscites Phillips · KSR · Graham
    Patents in suitUS 11,069,337
  • PTAB · Jul 29, 2025 · IPR2025-00491 · APJ Frederick C Laney · IPR · Institution

    The Board instituted IPR of claims 1–18 on all asserted grounds after finding a reasonable likelihood that claims 1, 9, and 15 are unpatentable over Ground 1.

    RulingsInstitution decision
    • PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)InstitutedInstituted

      “Having considered the arguments and evidence presented by both parties at this stage of the proceeding, we are persuaded that there is a reasonable likelihood Petitioners would prevail in showing that Beel discloses or suggests to a skilled artisan a base unit having a transmitter and a first peripheral device having a receiver and at least one fixed or a configurable endpoint, where the at least one fixed or a configurable endpoint is a data source or a data sink which is able to store or emit data, of the functional device exposed or made available on the first peripheral device.” slip op. at 26

    • Skill levelSkill level petitioner adoptedDecided for petitioner

      “B. Level of Ordinary Skill in the Art Petitioners contend that a person having ordinary skill in the art would have had “Master of Science (M.S.) degree in electrical engineering or computer science, and five years of work experience in a related field. Additional educational experience could substitute for some of the work experience.” Pet. 9–10 (citing Ex. 1002 ¶¶ 36–37). Patent Owner does not dispute this position at this time. See generally Prelim. Resp. For purposes of this Decision, we adopt Petitioners’ proposed definition of a person of ordinary skill in the pertinent art, as it is consistent with the ’972 patent and the asserted 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 petitioner constructionTerm construed board ownDecided for patent owner

      “We do not agree with Patent Owner that “fixed” or “configurable” requires more than what is agreed to by the parties––i.e., the characteristics and operational parameters of the endpoint are either set prior to operation or can be set during operation. We disagree that the ’972 patent defines “fixed or a configurable endpoint” as “a number of descriptive fields of the endpoint.” Rather column 8, lines 5–6, of the ’972 patent states that “[a]n endpoint is defined by a number of descriptive fields,” which speaks more about the mechanism used to establish the characteristics and operational parameters of the endpoint than it does about how “fixed” or “configurable” would be understood by a skilled artisan. And the fact that an endpoint may be defined by descriptive fields does not inform a skilled artisan that “fixed” or “configurable” requires the endpoint to allow the processing device to correctly interpret and utilize the data from the endpoint. Correctly interpreting and utilizing data may be the goal, but that goal is not turned into a requirement of the claims because the recited endpoint is fixed or configurable. Similarly, there is no basis for making that goal a requirement simply because a fixed endpoint is described as providing basic functionality and a configurable endpoint is described as being configurable by the base unit either while pairing or via the processing device. As a result, we find little merit in Patent Owner’s contention that the language “fixed or a configurable” requires a process for setting up the characteristics and operational parameters of an endpoint within a device so that the processing device can correctly interpret and utilize the data of this endpoint. Patent Owner, however, will have an opportunity during trial to further develop this contention.” slip op. at 11

    • Obviousness (§103) › Graham factors (scope of art, differences, level of skill)Not shown unpatentableInstituted

      “Having considered the arguments and evidence presented by both parties at this stage of the proceeding, we are persuaded that there is a reasonable likelihood Petitioners would prevail in showing that Beel discloses or suggests to a skilled artisan a base unit having a transmitter and a first peripheral device having a receiver and at least one fixed or a configurable endpoint, where the at least one fixed or a configurable endpoint is a data source or a data sink which is able to store or emit data, of the functional device exposed or made available on the first peripheral device. Petitioners’ offers evidence, supported by its expert declarant, that the endpoints disclosed in Beel are either fixed, such as a mass storage unit with predefined characteristics, or configurable, such as a virtual audio interface that may change configuration based on driver instructions or use context. Pet. 32–33. As Petitioners point out, the ’972 patent itself acknowledges that Beel’s Figure 11 illustrates a system comprising a combination of vendor-specific and standard endpoints, and further interprets these endpoints to correspond to drivers and host applications used for functionality like screen sharing and audio streaming, which demonstrates a direct conceptual and structural alignment between the ’972 patent and Beel. Id. Furthermore, Petitioner’s evidence demonstrates sufficiently that Beel describes a peripheral device acting as a virtual composite device capable of emulating different functions—such as a USB audio speaker—while rerouting the data stream (e.g., RTP audio stream) over the network. Id. For instance, Petitioners’ evidence demonstrates sufficiently Beel discloses or suggests that audio data can be captured by a virtual sound card interface implemented within the peripheral device, re-encoded, and transmitted to the base unit for playback or synchronization with video content. Id. In addition, Petitioners have demonstrated sufficiently that Beel’s architecture supports the requirement that the endpoint of the functional device—whether it is a camera, microphone, or speaker—is made available through or exposed on the peripheral device. Id. The functional device’s capabilities are effectively rendered accessible to the processing device by way of the peripheral device, which acts as an intermediary. Id. Petitioners’ evidence demonstrates sufficiently that this exposure can occur via logical interfaces, such as USB Audio Class (UAC) virtual drivers, that allow the processing device to recognize and interact with these endpoints using standard protocols. Id. Furthermore, Petitioners show sufficiently Beel discloses that the peripheral device may include software that facilitates communication with and presentation of media content on the processing device, further demonstrating that the endpoints are not only present but also actively used for data transmission. Id. Patent Owner’s arguments, at least at this stage of the proceeding, fail to undermine Petitioners’ showing because they are largely just that–– attorney arguments––without sufficient evidentiary backing and because they lack sufficient clarity regarding how the recited claim language distinguishes Beel’s disclosed system. First, Patent Owner makes several representations that Petitioners misplace its reliance on certain teachings or suggests found in Beel and that Beel does not support the contention Petitioners make, but Petitioners’ positions are backed the testimony of Dr. Almeroth and Patent Owner offers no contradictory evidence for why a skilled artisan would understand Beel differently. And, suffice it to say that, when the declaration of Dr. Almeroth is considered in juxtaposition with the cited evidence from Beel, we have found declarant Dr. Almeroth sufficiently persuasive to demonstrate Petitioner is reasonably likely to prevail on the point. For example, Patent Owner simply argues that “there is no indication in Beel of using any fixed or a configurable endpoint of the functional device exposed or made available on the first peripheral device” (Prelim. Resp. 31), but declarant Dr. Almeroth states that “Beel discloses that a peripheral device can act as a ‘virtual audio device’ using a USB Audio Class (UAC) interface,” which “indicates that endpoints of the functional device are ‘exposed or made available on the first peripheral device’” (Ex. 1002 ¶ 130 (emphasis added); see also id. ¶¶ 128–129). Patent Owner’s argument, without any evidentiary support, does little to undermine the opinion testimony from Dr. Almeroth about what Beel’s teachings would indicate to a skilled artisan. Second, although Patent Owner repeatedly states that Beel fails to” slip op. at 26

    Claim construction§ 103 obviousnesscites Phillips · KSR · Graham
    Patents in suitUS 10,684,972
  • PTAB · Jul 24, 2025 · IPR2025-00472 · APJ Stephen E Belisle · IPR · Institution

    The Board instituted IPR of claims 1–20 on all petitioned grounds, finding a reasonable likelihood that claims 1, 10, and 19 are obvious over Nicholas, Laidlaw, Mayadas, and Error.

    RulingsInstitution decision
    • PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)InstitutedInstituted

      “review. 35 U.S.C. § 314(b) (2024); 37 C.F.R. § 42.4(a) (2024). We may not institute an inter partes review “unless . . . 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). 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). 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. 37 C.F.R. § 42.108(a).” slip op. at 2

    • Skill levelSkill level petitioner adoptedDecided for petitioner

      “In determining the level of ordinary skill in the art, various factors may be considered, including the “type of problems encountered in the art; prior art solutions to those problems; rapidity with which innovations are made; sophistication of the technology; and educational level of active workers in the field.” In re GPAC Inc., 57 F.3d 1573, 1579 (Fed. Cir. 1995) (citation omitted). Considering the subject matter of the ’898 patent, the background technical field, the prior art, and Petitioner’s proposed and unopposed definition of the skilled artisan (Ex. 1002 ¶¶ 9–12), we apply the level of skill set forth above.” slip op. at 11

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

      “Petitioner submits that all terms in the Challenged Claims should be given their plain and ordinary meaning in this proceeding, and that no specific construction of any claim term is required to resolve this case. Pet. 6 (“Petitioner does not believe express claim construction is necessary to resolve this Petition.”). Patent Owner has not submitted a preliminary response, and thus does not propose any terms for construction at this stage. In determining that Petitioner has demonstrated a reasonable likelihood of establishing unpatentability of at least one Challenged Claim, we need not and do not construe expressly any claim terms. See Nidec Motor Corp. v. Zhongshan Broad Ocean Motor Co., 868 F.3d 1013, 1017 (Fed. Cir. 2017) (stating that “we 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))).” slip op. at 12

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

      “Petitioner argues the skilled artisan would have had various rational reasons for combining the teachings of these four references, and would have had a reasonable expectation of success in doing so. See, e.g., Pet. 18–21 (discussing reasons to combine Nicholas and Laidlaw and expectation of success in doing so), 33–37 (discussing reasons to combine Nicholas and Mayadas and expectation of success in doing so), 44–45 (discussing reasons to combine Nicholas, Laidlaw, Mayadas, and Error and expectation of success in doing so). Based on the record before us, we find Petitioner sufficiently shows that the combination of Nicholas, Laidlaw, Mayadas, and Error would have taught or at least fairly suggested to the skilled artisan the limitations of claim 1.4 Thus, for the reasons stated in the Petition (Pet. 8–51), we determine that Petitioner has established a reasonable likelihood that it would prevail in showing that independent claim 1 would have been unpatentable as obvious over the combination of Nicholas, Laidlaw, Mayadas, and Error.” slip op. at 21

    Claim construction§ 103 obviousnesscites Phillips · KSR · Graham
    Patents in suitUS 11,416,898
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