- Samsung Electronics Co., Ltd. v. Telcom Ventures LLCInstitution deniedPTAB · Oct 10, 2025 · IPR2025-00973 · APJ Kalyan K Deshpande · IPR · Director review
The Director granted Patent Owner’s discretionary-denial request and denied the petitions under § 314(a), instituting no trial because the district court case was likely to reach trial first.
RulingsDirector review decision- PTAB / AIA Trials › Discretionary denial › Fintiv (parallel litigation)Institution denied fintivDenied
“In particular, the projected final written decision due date in the Board proceeding is December 10, 2026.3 DD Req. 13. The district court’s scheduled trial date is June 1, 2026, and the time-to-trial statistics suggest trial will begin by October 2026. Id.; DD. Opp. 17. As such, it is unlikely that a final written decision in this proceeding will issue before district court trial occurs resulting in significant duplication of effort, additional expense for the parties, and a risk of inconsistent decisions. Additionally, there is insufficient evidence that the district court is likely to stay its proceeding even if the Board were to institute trial. Further, Petitioner’s argument that the patent examiner committed “multiple errors” during prosecution are not persuasive. See DD Opp. 7–12.” slip op. at 2
- Director reviewOther
“After considering the parties’ arguments and the record, and in view of all relevant considerations, discretionary denial of institution is appropriate in these proceedings. This determination is based on the totality of the evidence and arguments the parties have presented.” slip op. at 2
Discretionary denialPatents in suitUS 9,462,411 - Taiwan Semiconductor Manufacturing Company Ltd. / Apple Inc. v. Marlin Semiconductor Ltd.Institution deniedPTAB · Sep 3, 2025 · IPR2025-00848 · APJ Coke Morgan Stewart · IPR · Director review
The Director denied institution in IPR2025-00848, IPR2025-00864, IPR2025-00865, and IPR2025-00879 under § 314(a), citing ITC overlap and settled expectations.
RulingsDirector review decision- PTAB / AIA Trials › Discretionary denial › Fintiv (parallel litigation)Institution denied fintivDenied
“In particular, the projected final written decision due date for each of these cases is November 15, 2026. The hearing in the parallel U.S. International Trade Commission (“ITC”) investigation is set for February 2, 2026. DD Req. 14. As such, it is unlikely that a final written decision in these proceedings will issue before the ITC trial occurs, resulting in significant duplication of effort, additional expense for the parties, and a risk of inconsistent decisions. In addition, the patents challenged in IPR2025- 00848, IPR2025-00864, IPR2025-00865, and IPR2025-00879 have been in force for seven, nine, nine, and ten years, respectively, creating strong settled expectations for Patent Owner, and Petitioner does not provide persuasive reasoning why an inter partes review is an appropriate use of Board resources. Dabico Airport Sols. Inc. v. AXA Power ApS, IPR2025- 1 Citations are to papers in IPR2025-00847. The parties filed similar papers in IPR2025-00848, IPR2025-00864, IPR2025-00865, and IPR2025-00879. 00408, Paper 21 at 2–3 (Director June 18, 2025). These factors favor discretionary denial.” slip op. at 2
- Settled expectationsInstitution denied settled expectationsDenied
“these cases is November 15, 2026. The hearing in the parallel U.S. International Trade Commission (“ITC”) investigation is set for February 2, 2026. DD Req. 14. As such, it is unlikely that a final written decision in these proceedings will issue before the ITC trial occurs, resulting in significant duplication of effort, additional expense for the parties, and a risk of inconsistent decisions. In addition, the patents challenged in IPR2025- 00848, IPR2025-00864, IPR2025-00865, and IPR2025-00879 have been in force for seven, nine, nine, and ten years, respectively, creating strong settled expectations for Patent Owner, and Petitioner does not provide persuasive reasoning why an inter partes review is an appropriate use of Board resources. Dabico Airport Sols. Inc. v. AXA Power ApS, IPR2025- 1 Citations are to papers in IPR2025-00847. The parties filed similar papers in IPR2025-00848, IPR2025-00864, IPR2025-00865, and IPR2025-00879. 00408, Paper 21 at 2–3 (Director June 18, 2025). These factors favor discretionary denial.” slip op. at 2
- Other 314aInstitution denied discretionary otherDenied
“Petitioner argues that national security, economic, and public interest considerations counsel against discretionary denial because “[t]he semiconductor chips manufactured by TSMC are vital to leading U.S. companies (from Apple and NVIDIA to Amazon and Tesla) . . . and national security and defense through TSMC’s CyberShuttle program.” DD Opp. 31. Petitioner, however, does not explain in sufficient detail why review of the challenged patents is in the interest of national security, the economy, or the public. That is, Petitioner’s arguments are not narrowly-tailored towards particular products or manufacturing methods, and Petitioner does not sufficiently explain how national security, economic, or public interests warrant review of the specific patents challenged in these proceedings.” slip op. at 3
- PTAB / AIA Trials › Discretionary denial › §325(d) same art / argumentsDenied
“circumstances. In particular, Petitioner provides persuasive reasoning, supported by evidence, that the Office erred in a manner material to the patentability of the challenged patent during patent examination, and, accordingly, discretionary denial under 35 U.S.C. § 325(d) is not appropriate. Specifically, during prosecution of the challenged patent, the patent examiner applied Chien7702 to reject the claims, but subsequently allowed the claims after the applicant amended them. DD Opp. 5–6. Petitioner persuasively demonstrates that the patent examiner overlooked 2 US Pat. 6,815,770, Nov. 9, 2004 (Ex. 1037). certain teachings in Chien770 that appear to disclose the claimed features that the patent examiner indicated were not taught by the prior art of record, including Chien770. Id. at 7–10. Although the challenged patent has been in force for fifteen years, Petitioner appears to show a material error by the Office, and it is an appropriate use of Office resources to review the potential error.” slip op. at 3
Discretionary denialPatents in suitUS 9,953,880 - Samsung Electronics Co., Ltd. / Samsung Electronics America, Inc. v. Cerence Operating CompanyInstitution deniedPTAB · Aug 4, 2025 · IPR2025-00457 · APJ Kalyan K Deshpande · IPR · Director review
The Director granted Patent Owner’s discretionary-denial request and denied institution under § 314(a) because the district court trial is scheduled before the projected final written decision.
RulingsDirector review decision- Director reviewDirector review, deniedOther
“After considering the parties’ arguments and the record, and in view of all relevant considerations, discretionary denial of institution is appropriate in this proceeding. This determination is based on the totality of the evidence and arguments the parties have presented. In particular, the projected final written decision due date in the Board proceeding is October 8, 2026. The district court’s scheduled trial date is April 20, 2026. DD Req. 6. As such, it is unlikely that a final written decision in this proceeding will issue before the district court trial occurs, resulting in significant duplication of effort, additional expense for the parties, and a risk of inconsistent decisions. Additionally, there is insufficient evidence that the district court is likely to stay its proceeding even if the Board were to institute trial. DD Opp. 1–2. These considerations favor discretionary denial. Although certain arguments are highlighted above, the determination to exercise discretion to deny institution is based on a holistic assessment of all of the evidence and arguments presented. Accordingly, the Petition is denied under 35 U.S.C. § 314(a).” slip op. at 2
- PTAB / AIA Trials › Discretionary denial › Fintiv (parallel litigation)Institution denied fintivInstitution denied
“In particular, the projected final written decision due date in the Board proceeding is October 8, 2026. The district court’s scheduled trial date is April 20, 2026. DD Req. 6. As such, it is unlikely that a final written decision in this proceeding will issue before the district court trial occurs, resulting in significant duplication of effort, additional expense for the parties, and a risk of inconsistent decisions. Additionally, there is insufficient evidence that the district court is likely to stay its proceeding even if the Board were to institute trial. DD Opp. 1–2. These considerations favor discretionary denial. Although certain arguments are highlighted above, the determination to exercise discretion to deny institution is based on a holistic assessment of all of the evidence and arguments presented. Accordingly, the Petition is denied under 35 U.S.C. § 314(a).” slip op. at 2
- PTAB / AIA Trials › Institution threshold (reasonable likelihood / more likely than not)Institution denied
“to exercise discretion to deny institution is based on a holistic assessment of all of the evidence and arguments presented. Accordingly, the Petition is denied under 35 U.S.C. § 314(a).” slip op. at 2
Discretionary denialPatents in suitUS 7,680,334 - Amgen Inc. v. Bristol-Myers Squibb CompanyInstitution deniedPTAB · Jul 24, 2025 · IPR2025-00601 · APJ Coke Morgan Stewart · IPR · Director review
The Director denied institution in IPR2025-00601 and IPR2025-00602 based on Patent Owner’s strong settled expectations; IPR2025-00603 was referred to the Board.
RulingsDirector review decision- Settled expectationsInstitution denied settled expectationsDenied
“The patents challenged in IPR2025-00601 and IPR2025-00602 present different circumstances. In particular, the challenged patents have been in force for seven and six years, respectively, creating strong settled expectations for Patent Owner, and Petitioner does not provide persuasive reasoning why an inter partes review is an appropriate use of Board resources. Dabico Airport Sols. Inc. v. AXA Power ApS, IPR2025-00408, Paper 21 at 2–3 (Director June 18, 2025). In the absence of any such information, the Office is disinclined to disturb the strong settled expectations of Patent Owner.” slip op. at 3
- Director reviewOther
“Before COKE MORGAN STEWART, Acting Under Secretary of Commerce for Intellectual Property and Acting Director of the United States Patent and Trademark Office. DECISION Denying Institution of Inter Partes Review in IPR2025-00601 and IPR2025-00602 and Referring the Petition in IPR2025-00603 to the Board” slip op. at 1
Discretionary denialPatents in suitUS 9,856,320 - Cambridge Industries USA, Inc. v. Applied Optoelectronics, Inc.Institution deniedPTAB · Jun 27, 2025 · IPR2025-00435 · APJ Coke Morgan Stewart · IPR · Director review
The Director granted Patent Owner’s request for discretionary denial and denied institution of IPR2025-00433 and IPR2025-00435 under § 314(a), based on a holistic assessment including settled expectations.
RulingsDirector review decision- Settled expectationsInstitution denied settled expectationsInstitution denied
“Accordingly, Patent Owner’s settled expectations as to U.S. Patent No. 10,379,301 B2, U.S. Patent No. 10,313,024 B1, and U.S. Patent No. 10,788,690 B2 do not favor discretionary denial. The patents challenged in IPR2025-00433 and IPR2025-00435, however, have been in force for nine and seven years, respectively, and are not from the same patent family as those in IPR2025-00434, IPR2025- 00436, and IPR2025-00437. Accordingly, Patent Owner’s settled expectations as to the patents challenged in IPR2025-00433 and IPR2025- 00435 are stronger and discretionary denial is appropriate as to these proceedings.” slip op. at 3
- PTAB / AIA Trials › Discretionary denial › §325(d) same art / argumentsDecided for petitioner
“district court proceeding in the Northern District of California. DD Req. 7– 9; DD Opp. 2. There is no currently scheduled trial date in the co-pending district court litigation. DD Opp. 7. The District Court further vacated the scheduled Markman hearing. DD Req. 9; DD Opp. 7. Although Patent Owner argues that discretionary denial is warranted because Petitioner is over-reliant on expert testimony, Patent Owner does not identify any portions of the expert testimony that suggest Petitioner is using its expert to fill gaps in the prior art. DD Req. 28–29; DD Opp. 10. Additionally, Patent Owner’s arguments for discretionary denial under 35 U.S.C. § 325(d) for some of the proceedings are unavailing and discretionary denial under § 325(d) is not appropriate. Furthermore, most of the challenged patents have not been in force for a significant period of time (issued in 2020, 2019, and 2019), and, accordingly, Patent Owner has not developed strong settled expectations that favor discretionary denial as to at least those patents.” slip op. at 2
Discretionary denialPatents in suitUS 10,042,116 - Cellco Partnership D/B/A Verizon Wireless / T-Mobile USA, Inc. et al. v. Pegasus Wireless Innovation LLCInstitution deniedPTAB · Jun 26, 2025 · IPR2025-00293 · APJ Kalyan K Deshpande · IPR · Director review
The Director granted the Patent Owner’s discretionary-denial request and denied institution under § 314(a), citing the parallel district court trial schedule and investment.
RulingsDirector review decision- PTAB / AIA Trials › Discretionary denial › Fintiv (parallel litigation)Denied
“In particular, the projected final written decision due date for IPR2025-00137 is July 17, 2026, for IPR2025-00138 is July 28, 2026, for IPR2025-00292 is August 5, 2026, and for IPR2025-00293 is August 2, 2026. DD Req. 5; IPR2025-00138, Paper 12, 6; IPR2025-000292, Paper 12, 5–6; IPR2025-00293, Paper 12, 7. The district court’s scheduled trial date is September 8, 2025, and the time-to-trial statistics suggest trial will begin in November 2025. DD Req. 5–8. As such, it is unlikely that a final written decision in these proceedings will issue before district court trial occurs. Additionally, there is insufficient evidence that the district court is likely to stay its proceeding even if the Board were to institute trial, and there has been meaningful investment in the parallel proceeding by the 2 Unless indicated otherwise, citations are to papers in IPR2025-00137. The parties filed similar papers in IPR2025-00138, IPR2025-00290, IPR2025- 00291, IPR2025-00292, IPR2025-00293, and IPR2025-00317. parties. Id. at 4–5; 11–15. For example, fact discovery has closed and the parties have participated in a Markman hearing. Id. at 14–15.” slip op. at 3
- Director reviewOther
“After considering the parties’ arguments and the record, and in view of all relevant considerations, discretionary denial of institution is appropriate in these proceedings. This determination is based on the totality of the evidence and arguments the parties have presented.” slip op. at 3
Discretionary denialPatents in suitUS 10,009,161 - PTAB · Jun 25, 2025 · IPR2024-01280 · APJ Jo-Anne M Kokoski · IPR · Remand
On remand, the Board denied institution under § 314(a), finding the Fintiv factors favored denial despite declining to deny under § 325(d).
RulingsRemand decision- PTAB / AIA Trials › Discretionary denial › §325(d) same art / argumentsInstitution denied 325dDecided for petitioner
“Other than initials on a lengthy IDS, nothing in the record indicates that the Examiner substantively considered Takeuchi, Kim, Pienemann, or among over 1,000 other references listed on the IDS, which, as noted in the Director Review Decision, “is over 40 times the size of a typical IDS.” Pet. Remand Br. 5–6; DR Dec. 7 n.3 (citing Setting and Adjusting Patent Fees During Fiscal Year 2025, 89 FR 91898 at 91924 (Nov. 20, 2024)); Ex. 1002, 228–284. Petitioner also shows that the applicant did not respond to the Examiner’s request that the applicant specifically point out “any particular reference or portion of a reference in the [IDS] which the examiner should take [sic] pay particular attention to.” Ex. 1002, 174, 295– 302.” slip op. at 13
- PTAB / AIA Trials › Discretionary denial › Fintiv (parallel litigation)Institution denied fintivInstitution denied
“Patent Owner is likely correct that the ITC would not have been inclined to grant a stay if one had been requested at the time the Institution Decision issued. Moreover, the ITC conducted a full evidentiary hearing a month after the Institution Decision issued, and the target date for the ITC’s final determination is several months before the projected statutory deadline for the Board’s final written decision. PO Remand Br. 7. Accordingly, we determine that Fintiv factor 1 weighs in favor of discretionary denial. See also Klein Tools, Inc. v. Milwaukee Electric Tool Corp., IPR2024-01400, Paper 22 at 2 (PTAB June 9, 2025) (Acting Director Stewart determining that Fintiv factor 1 weighs in favor of discretionary denial when the ITC investigation is unlikely to be stayed, the ITC already conducted a full evidentiary hearing, and the ITC final determination is expected to issue six months before the statutory deadline for the Board’s final written decision).” slip op. at 19
Discretionary denialcites PhillipsPatents in suitUS 11,925,202 - Dabico Airport Solutions Inc. v. Axa Power ApsInstitution deniedPTAB · Jun 18, 2025 · IPR2025-00408 · APJ Coke Morgan Stewart · IPR · Director review
The Director granted Patent Owner’s request for discretionary denial and denied institution under § 314(a), citing the patent’s nearly eight years in force and settled expectations.
RulingsDirector review decision- Settled expectationsInstitution denied settled expectationsDenied
“those that counsel against it. In particular, the challenged patent has been in force almost eight years, creating settled expectations. See Ex. 1001. The interim processes permit a patent owner to file a brief explaining why discretionary denial is appropriate and the petitioner not only to respond to patent owner’s arguments but also to identify reasons not to exercise discretion to deny institution. As the Office has explained, “the parties are permitted to address all relevant considerations . . . bearing on the Director’s discretion.”1 The Office further has explained that “[p]arties are encouraged to address any fact or circumstance they believe bears on whether the Office should or should not institute trial.”2” slip op. at 2
- PTAB / AIA Trials › Discretionary denial › §325(d) same art / argumentsOther
“Some facts counsel against discretionary denial. For example, Patent Owner’s arguments regarding 35 U.S.C. § 325(d) are unpersuasive.” slip op. at 2
- Other 314aInstitution denied discretionary otherInstitution denied
“Although certain arguments are highlighted above, the determination to exercise discretion to deny institution is based on a holistic assessment of all of the evidence and arguments presented. Accordingly, the Petition is denied under 35 U.S.C. § 314(a).” slip op. at 3
Discretionary denialPatents in suitUS 9,771,169 - Samsung Electronics Co., Ltd. v. Sionyx, LLCInstitution deniedPTAB · Jun 6, 2025 · IPR2025-00065 · APJ Brian D Range · IPR · Institution
The Board denied institution of IPR challenging claims 1–44 under § 314(a), finding the Fintiv factors favoring denial outweighed the Petition’s strong merits.
RulingsInstitution decision- PTAB / AIA Trials › Discretionary denial › Fintiv (parallel litigation)Institution denied fintivInstitution denied
“stipulation would only eliminate the District Court’s consideration of Haddad204. Despite the stipulation, the District Court would still have to consider invalidity of every claim the Petition addresses and would still have to consider the Alie, Baggenstoss, and Park references. Cf. Stellar at 4 (“Petitioner’s invalidity arguments in the district court are more expansive and include combinations of the prior art asserted in these proceedings with unpublished system prior art, which Petitioner’s stipulation is not likely to moot.”). In other words, “Petitioner’s stipulation does not ensure that [this proceeding] would be a ‘true alternative’ to the district court proceeding.” Id. at 3–4. Because of the remaining overlap between the Petition and the District Court proceeding, Fintiv factor four weighs strongly in favor of discretionary denial.” slip op. at 15
- Obviousness (§103) › Motivation to combine / reasonable expectation of successMotivation foundOther
“for back side illumination (BSI), which appears to teach or suggest a textured region with surface features “located on the light incident side of the semiconductor layer and configured to interact with incident [EMR].” Pet. 22–27 (citing Ex. 1006, Fig. 5, ¶¶ 53, 68, 96; Ex. 1004 ¶¶ 39–40, 88–95, 101–107). As Petitioner and its expert explain, a person of ordinary skill in the art would have been motivated to modify Figure 5 of Alie into a BSI device because BSI devices allow more incident light to reach the semiconductor layer, resulting in more light being absorbed, an increase in the quantum efficiency, and an improvement in the signal to noise ratio. Pet. 25–26 (citing Ex. 1006 ¶¶ 68, 70; Ex. 1004 ¶¶ 39–40, 92, 95). Patent Owner argues that Alie does teach, suggest, or disclose “a textured region comprising a plurality of shallow trench isolation features.” Prelim. Resp. 9–11. But it appears Petitioner has at least shown Alie teaches or suggests this element. See discussion supra. Patent Owner further argues that Petitioner fails to present any proof that a person of ordinary skill in the art would have been motivated to modify Figure 5 of Alie into a BSI device. Id. at 11–15. But, in our view, Petitioner has provided an adequate motivation to modify Alie—so that more light will be absorbed, yielding an increase in the quantum efficiency and an improvement in the signal to noise” slip op. at 18
- Parallel petitionsNot reached
“17 Petitioner filed petitions for IPR2025-00064 and IPR2025-00065 at the same time. Both petitions address the ’682 patent but apply different art. Patent Owner also argues the second petition (IPR2025-00065) should be denied because one petition is sufficient. Patent Owner’s Response to Petitioner’s Notice Ranking Parallel Petitions, Paper 11. Because we deny institution based on Fintiv discretion, it is not necessary to reach Patent Owner’s multiple petition argument.” slip op. at 20
§ 103 obviousnessDiscretionary denialcites KSRPatents in suitUS 10,347,682 - Samsung Electronics America, Inc. / Samsung Electronics Co., Ltd. v. Collision Communications, Inc.Institution deniedPTAB · Apr 28, 2025 · IPR2025-00011 · APJ Neil T Powell · IPR · Institution
The Board denied institution of IPR challenging claims 1–4 and 6–8, exercising § 314(a) discretion because the Fintiv factors favored denial.
RulingsInstitution decision- PTAB / AIA Trials › Discretionary denial › Fintiv (parallel litigation)Institution denied fintivInstitution denied
“1. whether the court granted a stay or evidence exists that one may be granted if a proceeding is instituted; 2. proximity of the court’s trial date to the Board’s projected statutory deadline for a final written decision; 3. investment in the parallel proceeding by the court and the parties; 4. overlap between issues raised in the petition and in the parallel proceeding; 5. whether the petitioner and the defendant in the parallel proceeding are the same party; and 6. other circumstances that impact the Board’s exercise of discretion, including the merits. Id. at 5–6. We take “a holistic view of whether efficiency and integrity of the system are best served by denying or instituting review” when evaluating these factors. Id. at 6.” slip op. at 19
- Expert testimonyPetitioner expert discountedOther
“For example, citing Fuller’s disclosures of “signals,” Petitioner argues that “[a person of ordinary skill in the art] would have understood that each individual signal necessarily includes an amplitude, and that the M individual signals thus correspond to a plurality of individual amplitude estimates.” Pet. 31 (citing Ex. 1003 ¶ 99). Similarly, citing Fuller’s disclosure of “channel estimates,” Petitioner argues that “[a person of ordinary skill in the art] would have understood that the channel estimates include amplitude estimates, and that the estimated individual signals include at least estimated amplitudes.” Id. at 33 (citing Ex. 1003 ¶ 102). In support of these arguments, however, Petitioner cites Dr. Min’s testimony, which does not cite objective supporting evidence and, thus, warrants limited weight. Ex. 1003 ¶¶ 99, 102; see also 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.”).” slip op. at 23
- Skill levelSkill level petitioner adoptedDecided for petitioner
“of ordinary skill in the art at the time of the invention would have had “at least a bachelor’s degree in electrical engineering, computer engineering, computer science, physics, or an equivalent field, and two years of experience with cellular telecommunications, radio-access network architectures and protocols, and signal propagation in wireless networks.” Pet. 6 (citing Ex. 1003 ¶ 56). Petitioner further proposes that “[m]ore education can supplement practical experience and vice versa.” Id. (citing Ex. 1003 ¶ 56). In its Preliminary Response, Patent Owner does not take a position on the relevant level of ordinary skill in the art. See generally Prelim. Resp. At this stage of the proceeding and on the present record, we adopt Petitioner’s uncontested proposed level of ordinary skill in the art, which we find consistent with the level of ordinary skill in the art reflected by the ’651 patent and the prior art of record. See Okajima v. Bourdeau, 261 F.3d 1350, 1355 (Fed. Cir. 2001); In re GPAC Inc., 57 F.3d 1573, 1579 (Fed. Cir. 1995); In re Oelrich, 579 F.2d 86, 91 (CCPA 1978).” slip op. at 9
Discretionary denialcites PhillipsPatents in suitUS 7,920,651
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.