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  • PTAB · Aug 31, 2026 · IPR2025-00260 · APJ Kevin W Cherry · IPR · Final written decision

    The Board held all challenged original claims unpatentable as obvious and denied the contingent motion to amend substitute claims 30–49.

    RulingsFinal written decision
    • Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation foundReasonable expectation foundUnpatentable

      “would have been motivated to combine the teachings of the prior art references to achieve the claimed invention, and that the skilled artisan would have had a reasonable expectation of success in doing so.’” Intelligent Bio-Sys., Inc. v. Illumina Cambridge Ltd., 821 F.3d 1359, 1367–68 (Fed. Cir. 2016); see KSR, 550 U.S. at 418. Further, an assertion of obviousness “cannot be sustained by mere conclusory statements; instead, there must be some articulated reasoning with some rational underpinning to support the legal conclusion of obviousness.” KSR, 550 U.S. at 418; In re NuVasive, Inc., 842 F.3d 1376, 1383 (Fed. Cir. 2016) (a finding of a motivation to combine “must be supported by a ‘reasoned explanation’”).” slip op. at 10

    • Obviousness (§103) › Objective indicia / secondary considerationsObjective indicia no nexusObjective indicia outweighedDecided for petitioner

      “7. Summary As discussed above, we find that Patent Owner has failed to show a” slip op. at 35

    • PTAB / AIA Trials › Motions to amend / substitute claimsMotion to amend, deniedDenied

      “Motion to Amend meets the statutory and regulatory requirements set forth in 35 U.S.C. § 316(d) and 37 C.F.R. § 42.121 for claims 30 and 32–49. We further find that Patent Owner has not met the statutory and regulatory requirements for proposed claim 31. Accordingly, we address below whether any of the proposed substitute claims have been shown to be unpatentable.” slip op. at 86

    • Disclosure Requirements (§112) › Written description (Ariad)Written description inadequateDenied
    Patent outcomesUS 8,604,678 unpatentable
    § 103 obviousness§ 112 disclosurecites Phillips · Graham
    Patents in suitUS 8,604,678
  • PTAB · Aug 31, 2026 · IPR2025-00260 · APJ Kevin W Cherry · IPR · Final written decision

    The Board held all challenged claims 1–3, 6, 7, 9–14, 16–21, 25, 26, and 29 unpatentable as obvious and granted the motion to amend for substitute claims 30–49.

    RulingsFinal written decision
    • Expert testimonyPetitioner expert creditedDecided for petitioner

      “E. Credibility of Dr. Doolittle Patent Owner argues that we should give no weight to Dr. Doolittle’s testimony because, “[o]n cross examination, Prof. Doolittle repeatedly contradicted himself, dodged questions, and tried to shoehorn new and nonresponsive opinions into his answers to Patent Owner’s questions.” PO Resp. 25. Patent Owner raises two major complaints about Dr. Doolittle. First, Patent Owner argues that he took inconsistent positions by asserting in these IPR proceedings that the claims were entitled to their plain and ordinary meaning, while in the parallel district court proceeding, asserting that certain claim terms were indefinite. Id. at 26–28. Second, Patent Owner argues that Dr. Doolittle “repeatedly dodged questions and tried to shoehorn new and nonresponsive opinions into his answers to Patent Owner’s questions,” and that “[d]uring cross examination Patent Owner was forced to object to Prof. Doolittle’s nonresponsive answers no less than eighteen times.” Id. at 28. We strongly disagree with Patent Owner’s characterization of Dr. Doolittle’s testimony. We have reviewed the entirety of both of Dr. Doolittle’s depositions. We are impressed with his forthrightness, candor, and good humor in the face of Patent Owner’s counsel’s aggressive questioning. Contrary to Patent Owner’s assertions, we find that his testimony was well-reasoned, forthright, honest, and entitled to significant weight. Dr. Doolittle explained the different claim construction positions We also strongly disagree that Dr. Doolittle’s answers were nonresponsive or “evasive” as Patent Owner argues. Patent Owner’s numerous attempts to “strike” portions of his testimony belie Dr. Doolittle’s efforts to honestly and in good faith respond to Patent Owner’s counsel’s questions. Ex. 2025, 22:10–23:15, 25:9–26:14, 30:14–22, 40:3-9, 58:12–59:1, 60:18–61:13, 65:1–10, 83:15–84:16, 92:15–95:20, 96:18–99:9, 102:22–106:16, 135:3–136:22. An answer is not “non-responsive” simply because it does not conform to the conclusion you want or undermines the logic underlying your questioning. Dr. Doolittle explained his answers and addressed the issues Patent Owner asked about. Accordingly, we decline Patent Owner’s invitation to give Dr. Doolittle’s testimony no weight. Instead, we assess Dr. Doolittle’s testimony on a case-by-case basis as discussed below.” slip op. at 21

    • Skill levelOther

      “B. Level of Ordinary Skill in the Art We consider the asserted ground of unpatentability in view of the understanding of a person of ordinary skill in the art (“POSITA” or “POSA”). In assessing 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) (quoting Custom Accessories, Inc. v. Jeffrey-Allan Indus., Inc., 807 F.2d Relying on the declaration testimony of its expert, Dr. Doolittle, Petitioner contends that an ordinarily skilled artisan for the ’678 patent “would have had an undergraduate degree (i.e., B.S., B.S.E. or the equivalent) in electrical engineering, materials science, physics, or a similar discipline” and “would also have one to two years of experience in the field of LED packaging design.” Pet. 5–6. Petitioner additionally contends that “[m]ore education could substitute for experience, and vice versa.” Id. Petitioner further contends that “[t]his person would have been capable of understanding and applying the teachings of the ’678 patent and the prior-art references discussed herein,” and “[m]oreover, the prior art reflects the level of skill at the time of the claimed invention.” Id. (citing Okajima v. Bourdeau, 261 F.3d 1350, 1355 (Fed. Cir. 2001); Ex. 1102 ¶¶ 38–42). Patent Owner states that “solely for the purposes of this proceeding, Patent Owner and its technical expert employ the same level of skill in the art as Petitioners.” PO Resp. 24–25. Thus, we adopt Petitioner’s articulation of the level of ordinary skill in the art, which is consistent with the ’678 patent and the asserted prior art, and we apply it in our obviousness analysis below.” slip op. at 10

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

      “lower wavelength might offer, there were other drawbacks that a person of ordinary skill would have to balance. But “a given course of action often has simultaneous advantages and disadvantages, and this does not necessarily obviate motivation to combine.” Medichem, S.A. v. Rolabo, S.L., 437 F.3d 1157, 1165 (Fed. Cir. 2006). Indeed, Petitioner has shown several references—including, Basin-2005, Shimizu, and Stokes—that made this tradeoff. Moreover, “[o]bviousness does not require absolute predictability of success. . . . [A]ll that is required is a reasonable expectation of success.” In re O’Farrell, 853 F.2d 894, 903–04 (Fed. Cir. 1988). We find that the prior art of record demonstrates that a person of ordinary skill in the art at the time of the invention would have such an expectation in making the combination of Basin-2007 and Basin-2005. Accordingly, we find that Petitioner has shown by a preponderance of the evidence that there would have been motivation to combine Basin-2007 and Basin-2005 with a reasonable expectation of success. 4. Summary We have reviewed Petitioner’s contentions regarding claims 1–3, 6, 9, 10, 16–21, and 25 (Pet. 19–53), and find that Petitioner has shown by a preponderance of the evidence that Basin-2007 and Basin-2005 teach the limitations of those claims, and that there would have been a motivation to combine the references in the manner suggested with a reasonable considerations does not outweigh the strong showing of obviousness. Accordingly, we find that Petitioner has shown by a preponderance of the evidence that claims 1–3, 6, 9, 10, 16–21, and 25 would have been obvious over Basin-2007 and Basin-2005.” slip op. at 41

    • Obviousness (§103) › Objective indicia / secondary considerationsObjective indicia no nexusDecided for petitioner

      “1. Nexus In order for secondary considerations to be awarded “substantial” slip op. at 22

    Patent outcomesUS 8,604,678 unpatentable
    § 103 obviousness§ 112 disclosurecites Phillips · Graham
    Patents in suitUS 8,604,678
  • PTAB · Aug 31, 2026 · IPR2024-01357 · APJ Kevin W Cherry · IPR · Final written decision

    The Board held all challenged original claims unpatentable as obvious and granted the contingent motion to amend for substitute claims 30 and 32–49; substitute claim 31 was denied.

    RulingsFinal written decision
    • Expert testimonyPetitioner expert creditedDecided for petitioner

      “E. Credibility of Dr. Doolittle Patent Owner argues that we should give no weight to Dr. Doolittle’s testimony because, “[o]n cross examination, Prof. Doolittle repeatedly contradicted himself, dodged questions, and tried to shoehorn new and nonresponsive opinions into his answers to Patent Owner’s questions.” PO Resp. 25. Patent Owner raises two major complaints about Dr. Doolittle. First, Patent Owner argues that he took inconsistent positions by asserting in these IPR proceedings that the claims were entitled to their plain and ordinary meaning, while in the parallel district court proceeding, asserting that certain claim terms were indefinite. Id. at 26–28. Second, Patent Owner argues that Dr. Doolittle “repeatedly dodged questions and tried to shoehorn new and nonresponsive opinions into his answers to Patent Owner’s questions,” and that “[d]uring cross examination Patent Owner was forced to object to Prof. Doolittle’s nonresponsive answers no less than eighteen times.” Id. at 28. We strongly disagree with Patent Owner’s characterization of Dr. Doolittle’s testimony. We have reviewed the entirety of both of Dr. Doolittle’s depositions. We are impressed with his forthrightness, candor, and good humor in the face of Patent Owner’s counsel’s aggressive questioning. Contrary to Patent Owner’s assertions, we find that his testimony was well-reasoned, forthright, honest, and entitled to significant weight. Dr. Doolittle explained the different claim construction positions We also strongly disagree that Dr. Doolittle’s answers were nonresponsive or “evasive” as Patent Owner argues. Patent Owner’s numerous attempts to “strike” portions of his testimony belie Dr. Doolittle’s efforts to honestly and in good faith respond to Patent Owner’s counsel’s questions. Ex. 2025, 22:10–23:15, 25:9–26:14, 30:14–22, 40:3-9, 58:12–59:1, 60:18–61:13, 65:1–10, 83:15–84:16, 92:15–95:20, 96:18–99:9, 102:22–106:16, 135:3–136:22. An answer is not “non-responsive” simply because it does not conform to the conclusion you want or undermines the logic underlying your questioning. Dr. Doolittle explained his answers and addressed the issues Patent Owner asked about. Accordingly, we decline Patent Owner’s invitation to give Dr. Doolittle’s testimony no weight. Instead, we assess Dr. Doolittle’s testimony on a case-by-case basis as discussed below.” slip op. at 21

    • Skill levelOther

      “B. Level of Ordinary Skill in the Art We consider the asserted ground of unpatentability in view of the” slip op. at 10

    • Obviousness (§103) › Motivation to combine / reasonable expectation of successUnpatentableMotivation foundUnpatentable

      “lower wavelength might offer, there were other drawbacks that a person of ordinary skill would have to balance. But “a given course of action often has simultaneous advantages and disadvantages, and this does not necessarily obviate motivation to combine.” Medichem, S.A. v. Rolabo, S.L., 437 F.3d 1157, 1165 (Fed. Cir. 2006). Indeed, Petitioner has shown several references—including, Basin-2005, Shimizu, and Stokes—that made this tradeoff. Moreover, “[o]bviousness does not require absolute predictability of success. . . . [A]ll that is required is a reasonable expectation of success.” In re O’Farrell, 853 F.2d 894, 903–04 (Fed. Cir. 1988). We find that the prior art of record demonstrates that a person of ordinary skill in the art at the time of the invention would have such an expectation in making the combination of Basin-2007 and Basin-2005. Accordingly, we find that Petitioner has shown by a preponderance of the evidence that there would have been motivation to combine Basin-2007 and Basin-2005 with a reasonable expectation of success. 4. Summary We have reviewed Petitioner’s contentions regarding claims 1–3, 6, 9, 10, 16–21, and 25 (Pet. 19–53), and find that Petitioner has shown by a preponderance of the evidence that Basin-2007 and Basin-2005 teach the limitations of those claims, and that there would have been a motivation to combine the references in the manner suggested with a reasonable considerations does not outweigh the strong showing of obviousness. Accordingly, we find that Petitioner has shown by a preponderance of the evidence that claims 1–3, 6, 9, 10, 16–21, and 25 would have been obvious over Basin-2007 and Basin-2005.” slip op. at 41

    • Obviousness (§103) › Objective indicia / secondary considerations › NexusObjective indicia no nexusDecided for petitioner

      “1. Nexus In order for secondary considerations to be awarded “substantial” slip op. at 22

    Patent outcomesUS 8,604,678 unpatentable
    § 103 obviousness§ 112 disclosurecites Phillips · Graham
    Patents in suitUS 8,604,678
  • PTAB · Aug 28, 2026 · IPR2024-01357 · APJ Kevin W Cherry · IPR · Final written decision

    Claims 1–3, 6, 7, 9, 10, 16–21, 25, 26, and 29 are unpatentable; substitute claims 30–49 were not reached.

    RulingsFinal written decision
    • Skill levelSkill level petitioner adoptedDecided for petitioner

      “B. Level of Ordinary Skill in the Art We consider the asserted ground of unpatentability in view of the” slip op. at 10

    • Expert testimonyPetitioner expert creditedDecided for petitioner

      “E. Credibility of Dr. Doolittle Patent Owner argues that we should give no weight to Dr. Doolittle’s testimony because, “[o]n cross examination, Prof. Doolittle repeatedly contradicted himself, dodged questions, and tried to shoehorn new and nonresponsive opinions into his answers to Patent Owner’s questions.” PO Resp. 25. Patent Owner raises two major complaints about Dr. Doolittle. First, Patent Owner argues that he took inconsistent positions by asserting in these IPR proceedings that the claims were entitled to their plain and ordinary meaning, while in the parallel district court proceeding, asserting that certain claim terms were indefinite. Id. at 26–28. Second, Patent Owner argues that Dr. Doolittle “repeatedly dodged questions and tried to shoehorn new and nonresponsive opinions into his answers to Patent Owner’s questions,” and that “[d]uring cross examination Patent Owner was forced to object to Prof. Doolittle’s nonresponsive answers no less than eighteen times.” Id. at 28. We strongly disagree with Patent Owner’s characterization of Dr. Doolittle’s testimony. We have reviewed the entirety of both of Dr. Doolittle’s depositions. We are impressed with his forthrightness, candor, and good humor in the face of Patent Owner’s counsel’s aggressive questioning. Contrary to Patent Owner’s assertions, we find that his testimony was well-reasoned, forthright, honest, and entitled to significant weight. Dr. Doolittle explained the different claim construction positions We also strongly disagree that Dr. Doolittle’s answers were nonresponsive or “evasive” as Patent Owner argues. Patent Owner’s numerous attempts to “strike” portions of his testimony belie Dr. Doolittle’s efforts to honestly and in good faith respond to Patent Owner’s counsel’s questions. Ex. 2025, 22:10–23:15, 25:9–26:14, 30:14–22, 40:3-9, 58:12–59:1, 60:18–61:13, 65:1–10, 83:15–84:16, 92:15–95:20, 96:18–99:9, 102:22–106:16, 135:3–136:22. An answer is not “non-responsive” simply because it does not conform to the conclusion you want or undermines the logic underlying your questioning. Dr. Doolittle explained his answers and addressed the issues Patent Owner asked about. Accordingly, we decline Patent Owner’s invitation to give Dr. Doolittle’s testimony no weight. Instead, we assess Dr. Doolittle’s testimony on a case-by-case basis as discussed below.” slip op. at 21

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

      “lower wavelength might offer, there were other drawbacks that a person of ordinary skill would have to balance. But “a given course of action often has simultaneous advantages and disadvantages, and this does not necessarily obviate motivation to combine.” Medichem, S.A. v. Rolabo, S.L., 437 F.3d 1157, 1165 (Fed. Cir. 2006). Indeed, Petitioner has shown several references—including, Basin-2005, Shimizu, and Stokes—that made this tradeoff. Moreover, “[o]bviousness does not require absolute predictability of success. . . . [A]ll that is required is a reasonable expectation of success.” In re O’Farrell, 853 F.2d 894, 903–04 (Fed. Cir. 1988). We find that the prior art of record demonstrates that a person of ordinary skill in the art at the time of the invention would have such an expectation in making the combination of Basin-2007 and Basin-2005. Accordingly, we find that Petitioner has shown by a preponderance of the evidence that there would have been motivation to combine Basin-2007 and Basin-2005 with a reasonable expectation of success.” slip op. at 41

    • Obviousness (§103) › Objective indicia / secondary considerationsDecided for petitioner

      “7. Summary As discussed above, we find that Patent Owner has failed to show a” slip op. at 35

    Patent outcomesUS 8,604,678 unpatentable
    § 103 obviousness§ 112 disclosurecites Phillips · Graham
    Patents in suitUS 8,604,678
  • PTAB · Jan 23, 2026 · IPR2024-01342 · APJ Terrence W Mcmillin · IPR · Final written decision

    Claims 1–4 and 6–10 are unpatentable as obvious over each asserted ground; claim 5 was not shown unpatentable because the petitions failed to establish its additional feed and time-period limitations.

    RulingsFinal written decision
    • Claim Construction › Intrinsic evidence (Phillips canons) › Plain and ordinary meaning to a POSITAPlain and ordinary meaningDecided for petitioner

      “1b, 1c, and 1e of claim 1 and in claims 4 and 5 of the ’753 patent. Patent Owner contends that the plain and ordinary meaning of “feed” is “one or more associated media elements.” See, e.g., PO Resp. 4. However, as discussed below, this alleged plain and ordinary meaning of feed is not supported by the claim language, the specification of the ’753 patent, or dictionary definitions of feed as contended by Patent Owner. We reject this contention and the related contentions that the cited art may be distinguished from the claims of the ’753 patent based on the recited term “feed.” Patent Owner relies on the language of claim 1 to support its” slip op. at 13

    • Skill levelSkill level petitioner adoptedDecided for petitioner

      “The parties’ definitions are similar, although we observe that Patent Owner proposes that the person of ordinary skill would have a bachelor’s degree or an equivalent or professional experience, whereas Petitioner proposes that such a person would have both a degree and experience. Neither party presents any arguments relating or referring to the level of ordinary skill in the art. Determining the level of ordinary skill in the art involves various factors, 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). The prior art of record also reflects the level of ordinary skill in the art. See Okajima v. Bourdeau, 261 F.3d 1350, 1355 (Fed. Cir. 2001). We adopt Petitioner’s assessment of the level of skill in the art. Petitioner’s assessment is supported by the testimony of Dr. Almeroth and is consistent with the ’753 patent and the asserted prior art. However, our obviousness analysis would be the same under either party’s assessment. See Ex. 2014 ¶ 17 (Patent Owner’s declarant, Dr. Goodrich, stating that “I note that my definition of a POSITA is similar to that of Dr. Almeroth” and “My opinions in this declaration would not change were I to adopt the definition of a POSITA offered by Dr. Almeroth.”).” slip op. at 11

    • Expert testimonyPetitioner expert discountedDecided for patent owner

      “16 With regard to claim 5, the Petition cites paragraphs 97 and 98 of the Almeroth Declaration (Ex. 1002). See Pet. 28–29. We have considered the cited paragraphs in the Almeroth Declatation and found that they consist of nothing more than the inadequate and conclusory contentions in the Petition preceded by, in paragraph 97, “[i]n my opinion” and “it is my opinion” and, in paragraph 98, “[i]t is also my opinion.” Ex. 1003 ¶¶ 97, 98. As related to claim 5, we accord the Almeroth Declaration little or no weight. See 37 C.F.R. § 42.65 (a) (“Expert testimony that does not disclose the underlying facts or data on which the opinion is based is entitled to little or no weight.”). that might become out-of-date before a user accesses access [sic] them. Ex. 1003, 11:49–58 (emphasis added). The cited passage in Whitehead mentioning “near real-time” does not support finding that Whitehead teaches or suggests the elements recited in claim 5.” slip op. at 39

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

      “Petitioner contends, “[a] POSITA would have modified Whitehead’s mixing server 130 to incorporate Marcus ’904’s algorithm (running on Marcus ’904’s receiver) for receiving, selecting, ordering, and assembling different media streams (both for content and advertising).” Pet. 33. Petitioner supports this contention by articulating the following reasons for the asserted modification of Whitehead’s mixing server 130 to incorporate Marcus ’904’s algorithm: “makes it more likely the system will identify content best suited for a particular user,” “allows for more targeted advertising and/or an opportunity to maximize revenue,” “improves Whitehead’s ability to target content and advertising to a particular user,” “would unlock new revenue sources for Whitehead,” “Marcus ’904’s content selection and concatenation algorithm improves Whitehead’s efficiency,” “[b]oth Whitehead and Marcus ’904 generate custom media programming based on a user profile,” “incorporating Marcus ’904’s teachings would not require redesigning Whitehead’s architecture and instead merely supplements Whitehead’s disclosure,” and “Petitioner’s proposed modification can be implemented entirely in software and does not require any hardware modifications. Indeed, Whitehead acknowledges that such modifications are possible. EX1003 at 19:64-20:6, 22:26-40.” Id. at 33–35 (citing Ex. 1002 (Almeroth Decl.) ¶¶ 110–115) (emphasis omitted). Based on this undisputed showing, we find that one of ordinary skill would have had a motivation to combine the teachings of Whitehead and Marcus ’904 as asserted in the Petition with a reasonable expectation of success.” slip op. at 48

    Patent outcomesUS 8,886,753 mixed
    Claim construction§ 103 obviousnesscites Graham
    Patents in suitUS 8,886,753
  • PTAB · Nov 5, 2025 · IPR2024-00133 · APJ Scott B Howard · IPR · Final written decision

    Claims 1–10 are unpatentable as obvious over Sturman and Ho; the Board found the Ho/Jiau/Choi grounds, with and without Ellis, insufficient.

    RulingsFinal written decision
    • Skill levelSkill level patent owner adoptedDecided for patent owner

      “We see very little difference between the parties’ respective proposals. We adopt Patent Owner’s marginally more specific proposal as it better reflects the ’089 patent. Additionally, because we would reach the same conclusions under Petitioner’s proposal, we agree with Patent Owner that this does not affect our analysis.” slip op. at 10

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

      “Consistent with Phillips, we begin with the “ordinary and customary meaning” of the words of the claims. Phillips, 415. F.3d at 1312–13 (quoting Vitronics Corp. v. Conceptronic, Inc., 90 F.3d 1576, 1582 (Fed. Cir. 1996)). The parties agree that the ordinary and customary meaning of the phrase “background object” is consistent with the dictionary definition and means an object that is “not in the foreground.” Tr. 8:10–16; PO Resp. 8–9; Ex. 2008 (AMERICAN HERITAGE DICTIONARY 2006); see also Ex. 2009 (“the scenery or ground behind something,” “the part of a painting representing what lies behind objects in the foreground”) (MERRIAM- WEBSTER DICTIONARY 2007); Ex. 2010 (“the part of a picture or pattern that is behind the main people or things in it” (MACMILLIAN ENGLISH DICTIONARY 2007); Ex. 2011 (“the ground or parts, as of a scene, situated in the rear (opposed to foreground)”) (RANDOM HOUSE WEBSTER’S COLLEGE DICTIONARY 2005). Having determined the ordinary and customary meaning, we need only look to see if there is some reason—such as the applicant acting as a lexicographer or the ordinary and customary meaning being improperly subjective—why the ordinary and customary meaning is not controlling.” slip op. at 15

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

      “We do not find that the prosecution history demonstrates that the applicant acted as a lexicographer by “clearly set forth a definition of the disputed claim term,” or “clearly express[ing] an intent to define the term” as required by Thorner, 669 F.3d at 1365. Instead, the language in the prosecution history is consistent with the ordinary and customary meaning. That is, the applicant focuses on the location of the object relative to the area of game play, i.e., the foreground. For example, the applicant distinguishes Chu’s object as not being “background objects” because they “are featured in the forefront of [the] game play as primary objects to be manipulated or used during game play (see Chu at ¶¶ [0063]–[0065]).” Ex. 1002, 85 (emphasis added).12 The applicant continued by arguing that Chu’s objects “exist in the background, outside of the primary focus of game play and as unexpectedly interactive components, and are not themselves needed or required in order to play the game.” Id. If anything, this demonstrates an intent of the applicant to use the customary and ordinary meaning—not in the foreground—and not act as a lexicographer.” slip op. at 17

    • Expert testimonyPetitioner expert creditedDecided for petitioner

      “We do not agree with Patent Owner’s argument. Under our rules, “[e]xpert testimony that does not disclose the underlying facts or data on which the opinion is based is entitled to little or no weight.” 37 C.F.R. § 42.65(a). We have reviewed Dr. Zagal’s testimony on this subject (see Ex. 1003 ¶¶ 156–160, 163, 166, 172, 177–178) and find that it complies with our requirements. Specifically, Dr. Zagal provides his opinion and identifies specific evidence in the record that supports it. We do not find MarkForged, a nonprecedential decision, persuasive. Although MarkForged cites 37 C.F.R. § 42.65(a) as support for the proposition that expert testimony “is entitled to little to no weight [if] it merely parrots the Petition,” the rule is silent on that point. Patent Owner has not directed us to any rule or precedential decision that says that non- 17 The decision was affirmed by the Director. Xerox Corp. v. Bytemark, Inc., IPR2022-00624, Paper 12 (PTAB Aug. 24, 2022). conclusory testimony which cites underlying factual support, such as Dr. Zagal gives in this proceeding, is entitled to no weight.” slip op. at 49

    Patent outcomesUS 8,688,089 unpatentable
    Claim construction§ 103 obviousnesscites Phillips · KSR · Graham
    Patents in suitUS 8,688,089
  • PTAB · Oct 16, 2025 · PGR2025-00041 · APJ Justin T Arbes · PGR · Institution

    The Board instituted PGR of claims 1–20 on all asserted grounds after finding claim 1 more likely than not obvious over Hendry.

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

      “a post-grant review unless the information in the petition, if unrebutted, “would demonstrate that it is more likely than not that at least 1 of the claims challenged in the petition is unpatentable.” See 37 C.F.R. § 42.4(a) (“The Board institutes the trial on behalf of the Director.”). For the reasons that follow, we institute a post-grant review as to claims 1–20 of the ’243 patent on all grounds of unpatentability asserted in the Petition.” slip op. at 2

    • Skill levelSkill level petitioner adoptedDecided for petitioner

      “a person of ordinary skill in the art would have had “at least a bachelor’s degree in computer science, electrical engineering, or a related field, and two years’ experience in data management or client-server systems and communications,” where “a higher education or skill level might make up for less experience, and vice-versa.” Pet. 6 (citing Ex. 1003 ¶¶ 35–39). Patent Owner did not file a Preliminary Response disputing Petitioner’s position. Based on the record presented, including our review of the ’243 patent and the types of problems and solutions described in the ’243 patent and cited prior art, we agree with Petitioner’s proposed definition of the level of ordinary skill in the art and apply it for purposes of this Decision, except that we remove the term “at least” to eliminate vagueness as to the amount of education and practical experience.” slip op. at 10

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

      “any reasonable construction.” Pet. 7. Patent Owner did not file a Preliminary Response disputing Petitioner’s position. We conclude that no express interpretation of any claim term is necessary to determine whether to institute a post-grant review in this proceeding.4 See Nidec Motor Corp. v. Zhongshan Broad Ocean Motor Co., 868 F.3d 1013, 1017 (Fed. Cir. 2017) (“Because we need only construe terms ‘that are in controversy, and only to the extent necessary to resolve the controversy,’ we need not construe [a particular claim limitation] where the construction is not ‘material to the . . . dispute.’” (citation omitted) (emphasis added)). 4 The parties, however, are encouraged to address during trial (1) interpretation of the term “user profile” in the challenged claims, particularly in view of the Specification’s apparent definition of the term “profile” (see Ex. 1001, col. 14, ll. 51–55) and description of exemplary data from which a “user profile” may be generated (id. at col. 18, ll. 40–58), and (2) the scope of the various instances of the phrase “in response to” in the challenged claims. Also, if either party intends to argue a claim interpretation during trial, including what the plain and ordinary meaning of a term is, the party should do so in a clearly designated section of its briefing. See Patent Trial and Appeal Board Consolidated Trial Practice Guide (Nov. 2019), 44–49, available at https://www.uspto.gov/ TrialPracticeGuideConsolidated; O2 Micro Int’l Ltd. v. Beyond Innovation Tech. Co., 521 F.3d 1351, 1361 (Fed. Cir. 2008) (“A determination that a claim term ‘needs no construction’ or has the ‘plain and ordinary meaning’ may be inadequate when a term has more than one ‘ordinary’ meaning or when reliance on a term’s ‘ordinary’ meaning does not resolve the parties’ dispute.”).” slip op. at 11

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

      “each of its elements was, independently, known in the prior art.” KSR, 550 U.S. at 418. An obviousness determination based on a combination of references requires finding “both ‘that a skilled artisan would have been motivated to combine the teachings of the prior art references to achieve the claimed invention, and that the skilled artisan would have had a reasonable expectation of success in doing so.’” Intelligent Bio-Sys., Inc. v. Illumina Cambridge Ltd., 821 F.3d 1359, 1367–68 (Fed. Cir. 2016) (quoting Kinetic Concepts, Inc. v. Smith & Nephew, Inc., 688 F.3d 1342, 1360 (Fed. Cir. 2012)); see also KSR, 550 U.S. at 418 (for an obviousness analysis, “it can be important to identify a reason that would have prompted a person of ordinary skill in the relevant field to combine the elements in the way the claimed new invention does”). Also, “[t]hough less common, in appropriate” slip op. at 8

    Claim construction§ 103 obviousnesscites KSR · Graham
    Patents in suitUS 12,039,243
  • PTAB · Oct 15, 2025 · IPR2025-00762 · APJ Scott B Howard · IPR · Institution

    The Board instituted IPR on claims 1–5 and 8–12 on all asserted grounds, finding a reasonable likelihood that claim 1 would have been obvious over Koskinen.

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

      “determine whether to institute an inter partes review. 35 U.S.C. § 314 (2024); 37 C.F.R. § 42.4(a) (2024). Inter partes review may not be instituted unless “the information presented in the petition filed under [35 U.S.C.] section 311 and any response filed under [35 U.S.C.] 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(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.” 37 C.F.R. § 42.108(a). For the reasons set forth below, upon considering the briefing and the evidence of record, we determine that the information presented in the Petition establishes a reasonable likelihood that Petitioner will prevail with respect to at least one of the challenged claims. Accordingly, we institute inter partes review on all of the challenged claims based on all of the grounds identified in the Petition.” slip op. at 2

    • Skill levelSkill level petitioner adoptedDecided for petitioner

      “Petitioner argues that a person having ordinary skill in the art “would have had a bachelor’s degree in electrical engineering, computer engineering, computer science, or a related field and at least two years of practical experience with design or development of telecommunication and/or wireless communications systems, or the equivalent.” Pet. 7 (citing Ex. 1003 ¶¶ 19–21). Petitioner further argues that “[a]dditional education” slip op. at 8

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

      “For the purposes of this Decision, we need not expressly construe any claim terms.6 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 10

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

      “Additionally, a person having ordinary skill in the art would have known and been familiar with information elements (IEs) that specified an RLC reordering timer value based on (1) general knowledge that IEs carried information in RRC messages and (2) that 3GPP TSs describe an IE carrying recording timer duration information for the RLC layer. See Ex. 1003 ¶ 151; Ex. 1014, 219–20. Accordingly, it would have been obvious to a person having ordinary skill in the art “that the PDCP timer information, which used similar variables as its RLC counterpart (Koskinen, ¶¶37-38), would also be carried in a PDCP configuration IE.” Ex. 1003 ¶ 151.” slip op. at 13

    Claim construction§ 102 anticipation§ 103 obviousnesscites Phillips · KSR · Graham
    Patents in suitUS 10,863,573
  • PTAB · Oct 14, 2025 · IPR2024-00422 · APJ Scott B Howard · IPR · Final written decision

    The Board held claims 1–152 unpatentable based on the asserted obviousness grounds and struck Section II of Petitioner’s reply claim-construction brief.

    RulingsFinal written decision
    • BurdenFwd all claims unpatentableUnpatentable

      “Decision issues pursuant to 35 U.S.C. § 318(a). For the reasons that follow, we determine that Petitioner has shown by a preponderance of the evidence that the challenged claims are unpatentable.” slip op. at 2

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

      “1. “Contracted to Display a TV Ad Petitioner argues that the term means “contracted to display any form” slip op. at 14

    • Strike new argumentGranted

      “FURTHER ORDERED that Section II of Petitioner’s Reply Claim Construction Brief is stricken from the record; and” slip op. at 80

    Patent outcomesUS 7,861,260 unpatentable
    Claim constructioncites Phillips · KSR · Graham
    Patents in suitUS 7,861,260
  • PTAB · Oct 14, 2025 · IPR2025-00128 · APJ Scott B Howard · IPR · Final written decision

    The Board held claims 1–152 unpatentable based on obviousness grounds and struck Section II of Petitioner’s Reply Claim Construction Brief.

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

      “1. “Contracted to Display a TV Ad Petitioner argues that the term means “contracted to display any form” slip op. at 14

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

      “d) Conclusion Regarding Claim 1 For the reasons set forth above, Petitioner has demonstrated by a preponderance of the evidence that the subject matter of claim 1 would have been obvious over Baig, Costa, and Zwicky. 5. Analysis of Claims 2–5, 7–9, 12, 15, 17, 21, 22, 24, 26–28, 31, 32, 34, 37, 42, 44, 53, 54–58, 61, 62, 69, 71–80, 83, 84, 86–88, 91, 94, 96, 100, 101, 103, 106, 116–119, 122, 125, 128, 135, 137– 145, 147, 148, 151, and 152 Petitioner argues that the combination of Baig, Costa, and Zwicky teaches the limitations recited in claims 2–5, 7–9, 12, 15, 17, 21, 22, 24, 26–28, 31, 32, 34, 37, 42, 44, 53, 54–58, 61, 62, 69, 71–80, 83, 84, 86–88, 91, 94, 96, 100, 101, 103, 106, 116–119, 122, 125, 128, 135, 137–145, 147, 148, 151, and 152 and that a person having ordinary skill in the art would have combined the teachings with a reasonable expectation of success. Pet. 28–60; 422Pet. 29–51. Petitioner’s arguments are supported by citations to the prior art and the testimony of Mr. Lett. See Pet. 28–60; 422Pet. 29–51. We have reviewed Petitioner’s arguments and evidence, agree with them, and, therefore, adopt Petitioner’s arguments and evidence as our own. Patent Owner does not separately address those claims. See PO Resp.; 422PO Resp. Instead, Patent Owner only relies on the arguments discussed above for claim 1. See PO Resp. 13–16; 422PO Resp. 13–16. For the same reason as discussed above in Section II.D.4(b), we do not agree with Patent Owner’s arguments regarding the reason to combine the references. Accordingly, Petitioner has shown by a preponderance of the evidence” slip op. at 50

    • Strike new argumentNew argument disregardedGranted

      “F. Sua Sponte Striking Section II of Petitioner’s Reply Claim Construction Brief Our order allowing post-hearing claim construction briefing stated that “[t]he parties may not address any issues besides claim construction.” Paper 38, 1. Despite that order, Section II of Petitioner’s Reply Claim Construction Brief addresses obviousness under Patent Owner’s proposed construction. See Pet. Reply Post-hearing Br. 2–3 (Titled: “The Petition’s Obviousness Theory Renders Claims 121 and 146 Obvious Even Under Patent Owner’s Improper Construction.”). Because the section is in violation of our order, we sua sponte strike that section. See 37 C.F.R. § 42.12.” slip op. at 74

    Patent outcomesUS 7,861,260 unpatentable
    Claim construction§ 103 obviousnesscites Phillips · KSR · Graham
    Patents in suitUS 7,861,260
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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.