Samsung Electronics Co., Ltd.

This Inter Partes Review (IPR) case was filed by Samsung Electronics against AQ Corporation challenging US patent 11728564.

Samsung entities filed a Delaware declaratory judgment action against Netlist. The Stanford NPE Litigation Database lists the '523, '608, '595, '912, '035, and '218 patents in this action; Netlist SEC reporting says the action seeks a declaration that Samsung does not infringe Netlist's '035 patent. No disposition was confirmed.

A petition for inter partes review (IPR) of US Patent 9,824,035 filed by Samsung. The PTAB declined to institute the review due to procedural reasons.

Samsung filed an Inter Partes Review petition against patent 10468047. The PTAB has instituted the review, and the case is currently pending.

Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc. filed an IPR petition against Radian Memory Systems LLC challenging US 11,544,183, a descendant of the 118 patent. The proceeding was terminated on December 30, 2025, before institution, by settlement. It was one of seven petitions challenging patents at issue in the co-pending district court action; none targeted the 118 patent.

Samsung filed an IPR petition against Radian Memory Systems; the narrative describes it as one of seven petitions challenging patents-at-issue in a co-pending district court action. The specific patent(s) challenged in this IPR were not confirmed, and the proceeding terminated as settled.

This Inter Partes Review (IPR) case was initiated by Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc. against Xifi Networks R&D Inc. before the PTAB, challenging US patent 11974143. The IPR has been instituted and is currently pending.

Samsung Electronics Co., Ltd. filed a petition for inter partes review (IPR) against Wilus Institute of Standards and Technology Inc., challenging US patent 11716171B2. The petition was filed on June 24, 2025, and the case is currently instituted, with a Final Written Decision due on January 12, 2027.

A declaratory judgment action for non-infringement filed by Samsung against Netlist. The case is currently active.

An Inter Partes Review filed by Samsung entities against VB Assets, LLC for US Patent 8073681 was not instituted due to procedural reasons.

Samsung petitioned for inter partes review of '055, challenging claims 1-2, 6-7, 9-10, and 12. The PTAB denied institution under 35 U.S.C. § 314(a); Samsung withdrew its request for director review/rehearing and the proceeding terminated.

The Patent Trial and Appeal Board (PTAB) denied institution of this inter partes review concerning US patent 10812646.

Samsung petitioned for inter partes review of all claims 1–20 of U.S. Patent No. 11,386,024. The proceeding is reported by aggregators to have ended in adverse judgment, with a statutory disclaimer of the '024 patent in the record.

Samsung petitioned for inter partes review of all claims 1-19 of the '886 patent. The PTAB issued a final written decision on March 16, 2026, holding the claims unpatentable over prior art including Okashita, Burgener, and Yu. Harbor Island appealed to the Federal Circuit.

Samsung petitioned for inter partes review challenging the '609 patent. The PTAB instituted trial, held oral argument, and, according to the patent owner's parent company's SEC filings, issued final written decisions canceling claims of the '609 patent. Harbor Island's Director Review request was pending as of the filing.

Samsung petitioned for inter partes review of the '673 patent. The PTAB instituted on all three grounds and issued a Final Written Decision on February 9, 2026, finding all challenged claims unpatentable. Harbor Island appealed the decision.

Samsung petitioned for inter partes review of all claims 1-20 of the 9245826 patent. The Board issued a Final Written Decision finding all challenged claims unpatentable, and Harbor Island Dynamic filed a request for Director Review.

In this action, Samsung seeks a declaratory judgment of non-infringement of the '846 patent. A motion to dismiss for lack of personal jurisdiction was granted, but the court is allowing Samsung to conduct jurisdictional discovery.

An inter partes review (IPR) proceeding where Samsung challenges the patent's validity. The PTAB has also instituted a trial in this proceeding.

Samsung petitioned for inter partes review of claims of U.S. 10,176,848. The PTAB instituted the review and issued a Final Written Decision on Nov. 6, 2025; the decision was appealed to the Federal Circuit as Appeal No. 2026-1625.

Samsung petitioned for inter partes review of claims 1-15 of U.S. 11,017,815. The PTAB instituted the review on November 7, 2024, and issued a Final Written Decision on October 30, 2025, reported to invalidate the majority of the challenged claims; the decision was appealed as Federal Circuit Appeal No. 26-1623.

Samsung petitioned for inter partes review of US 11,223,757. The PTAB held the challenged claims unpatentable as obvious; the proceeding is docketed as Final Written Decision - Appealed and terminated on November 6, 2025.

A second Delaware action involving Samsung entities and Netlist, indexed to the '912 patent in the Stanford NPE Litigation Database. Roles and status were not fully confirmed in the narrative.

Samsung sought a declaratory judgment that it does not infringe U.S. 11,386,024 (the '024 patent), described as a continuation of the '218 and '595 patents, and pleaded breach of contract in the alternative. Netlist's motion to dismiss was denied; on July 8, 2025, the court consolidated this action with another Samsung-Netlist action.

Samsung filed this IPR against Netlist's US Patent 10,268,608. The PTAB issued a Final Written Decision on October 31, 2024, finding certain claims unpatentable, which decision was affirmed by the Federal Circuit on December 11, 2025.

Qualcomm Inc. filed an inter partes review against U.S. Patent No. 10,049,080, with Samsung Electronics entities later joined. The proceedings were terminated by settlement and no final written decision issued.

Samsung petitioned for inter partes review of U.S. Patent No. 9,858,215. The Board issued a final written decision on July 30, 2024 finding all challenged claims 1-29 unpatentable; Netlist appealed on Dec. 10, 2024.

Samsung and others filed inter partes review of US Patent 9,629,287. The patent file wrapper records a final written decision, but the substantive outcome is not confirmed in the narrative.

Samsung petitioned for inter partes review of the '740 patent. The PTAB issued a final written decision holding all challenged claims unpatentable as obvious, and the Federal Circuit later affirmed.

Samsung petitioned for inter partes review of all claims 1-15 of the '142 patent. The Board held all challenged claims unpatentable as obvious, and the decision was appealed (noted as 2024-2231).

Inter partes review petition by Samsung against the '198 patent; not instituted on the merits.

Samsung entities petitioned for inter partes review of U.S. 9,318,160 claims 1-20. The PTAB instituted review and issued a final written decision on April 1, 2024 holding all challenged claims unpatentable. Director Review was denied June 17, 2024, and the decision was appealed.

Inter partes review of U.S. Patent No. 9,019,946 B1. The Board found claims 14, 15, 17–21, and 26–30 unpatentable; claims 1–13 and 16 were not shown unpatentable. A Feb. 13, 2024 errata corrected the disposition to include claim 26 among the unpatentable claims and to list claims 1–13 and 16 as surviving.

IPR petition filed by Samsung Electronics Co., Ltd. et al. against Smart Mobile Technologies LLC before the PTAB. Institution decision January 24, 2023; final written decision January 23, 2024; on appeal at the Federal Circuit (Appeal No. 24-1607). The '653 patent mapping is provisional per the narrative.

Inter partes review petition challenging claims 1, 2, and 8-11 of U.S. Patent 11,244,666 on obviousness grounds. The PTAB denied institution on January 3, 2023.

Samsung petitioned for inter partes review of claims 1–14 of US 11,217,237. The PTAB denied institution on January 3, 2023, status listed as Not Instituted – Merits.

Samsung petitioned for inter partes review of US 11,057,701. The PTAB instituted review on December 29, 2022, and issued a final written decision on November 13, 2023 holding claims 1–13 unpatentable.

Samsung petitioned for inter partes review of U.S. 11,039,259. The Board instituted trial on January 9, 2023, and issued a Final Written Decision on January 5, 2024; the decision was appealed to the Federal Circuit.

Inter partes review petition filed by Samsung against Smart Mobile challenging US 9,084,291. A Final Written Decision is reported, but the specific outcome was not verified in the narrative.

Samsung petitioned for inter partes review of claims 1-30 of the '918 patent. The PTAB held all challenged claims unpatentable for obviousness on December 6, 2023; Director Review was denied, and Netlist's appeal is pending. Micron entities were later joined as petitioners.

Samsung petitioned for inter partes review of U.S. Patent No. 11,232,054, with Micron joining. The PTAB issued a final written decision on December 5, 2023 holding all challenged claims 1-30 unpatentable; Director Review was denied, and Netlist appealed.

Apple Inc., Samsung Electronics Co., Ltd., and Samsung Electronics America, Inc. filed an inter partes review petition against Smart Mobile Technologies LLC directed at U.S. Patent No. 8,761,739. The PTAB instituted review on December 5, 2022, issued a Final Written Decision, and an IPR certificate issued on January 5, 2024.

Apple, Samsung Electronics Co., Ltd., and Samsung Electronics America, Inc. petitioned for inter partes review of US 9,049,119 B2. The Board issued a final written decision on Nov. 28, 2023, finding all challenged claims unpatentable as obvious, and an IPR certificate issued on Feb. 15, 2024.

Apple and Samsung petitioned for inter partes review of U.S. 8,472,937. The PTAB instituted on all grounds and issued a Final Written Decision on December 4, 2023, holding all challenged claims unpatentable; an IPR certificate issued April 1, 2024.

Inter partes review of U.S. Patent No. 8,442,501 B1. The Board instituted review on Sept. 29, 2022, and issued a Final Written Decision on Sept. 26, 2023, holding claims 1–3, 5, 6, 10, 13, and 16–18 unpatentable. Smart Mobile did not appeal; an inter partes review certificate (kind code K1) issued Jan. 2, 2024, confirming cancellation.

Samsung Electronics Co., Ltd., Samsung Electronics America, Inc., and Apple Inc. petitioned for inter partes review of US 8,824,434. The PTAB instituted review on Oct. 26, 2022, and issued a final written decision on Oct. 23, 2023 holding claims 1-8 unpatentable as obvious.

Samsung filed an IPR petition against Netlist on the '339 patent. The PTAB held all challenged claims 1–35 unpatentable as obvious over Ellsberry in view of Halbert. Request for rehearing was denied on Feb. 9, 2024.

Samsung petitioned for inter partes review of claims 1–18 of the '836 patent. The PTAB denied institution on August 12, 2022.

Inter partes review petition filed by Samsung against claims 1–15, 17, 19, and 20 of U.S. Patent No. 10,405,082. The Board instituted review on August 16, 2022, and issued a Final Written Decision on August 11, 2023; an IPR certificate issued November 3, 2023. The narrative does not confirm the precise claim-level disposition.

Samsung petitioned for inter partes review of U.S. Patent No. 8,254,591 B2. Instituted July 11, 2022. Final Written Decision July 10, 2023 held claims 1, 2, 4–7, 9, and 11–13 unpatentable; claim 3 not shown unpatentable. Challenged claims were 1–7, 9, and 11–16.

Samsung petitioned for inter partes review of US 9,124,982. The PTAB instituted on June 17, 2022 and issued a Final Written Decision on June 14, 2023 holding claims 1-6, 14, 15, 17-20, 24, and 25 unpatentable for obviousness, while claims 10 and 11 were not shown unpatentable. The patent owner appealed.

Samsung initiated a declaratory judgment action against Netlist, alleging non-infringement of US10217523B1 and other patents. Netlist filed counterclaims for infringement against Samsung, Google LLC, and Alphabet, Inc. The case was stayed pending resolution of a related action.

Samsung filed a declaratory judgment action of non-infringement/unenforceability involving the '912 patent and U.S. 10,217,523, plus breach-of-contract claims. Netlist counterclaimed infringement and added Google LLC and Alphabet Inc.; the case was stayed on Dec. 1, 2023.

Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc. filed an inter partes review against Power2B, Inc. concerning U.S. Patent No. 8,610,675. The Board instituted on all challenged claims and in its Final Written Decision held claims 1, 2, 6, 9, 10, 11, and 13 unpatentable, leaving claim 12 surviving.

Samsung entities petitioned for inter partes review of US 10,156,931 B2. The PTAB held all challenged claims 1–3, 6–15, and 18–21 unpatentable in its final written decision.

Samsung petitioned for inter partes review of US 10,090,395; institution decision February 10, 2021; Final Written Decision February 9, 2022 gave Samsung a partial win, holding certain challenged claims unpatentable.

Samsung petitioned for inter partes review of U.S. Patent 9,461,167, challenging claims 1–6 and 8–16. The Board instituted trial on January 13, 2021, and entered a Final Written Decision on January 12, 2022; available summary data lists no claims invalidated, suggesting the challenged claims survived (not certain).

Samsung petitioned for inter partes review of U.S. Patent No. 8,766,336. The Board instituted review on January 13, 2021, and entered a Final Written Decision on January 12, 2022, with reporting indicating claims were held unpatentable.

Samsung petitioned for inter partes review of U.S. Patent No. 9,209,261. The Board instituted on claims 1, 2, 17, and 18 and issued a Final Written Decision on February 9, 2022 holding those claims unpatentable; claims 3 and 21–24 had been disclaimed before institution.

Samsung petitioned for inter partes review of U.S. 7,084,423, challenging claims 62–64 and 65. The Board denied institution on February 10, 2021 under 35 U.S.C. § 314(a), relying on the parallel district court's finding that claim 62 was indefinite.

Petitioners filed an inter partes review of U.S. Patent 7,076,431 against Parus. The PTAB held claims 1, 2, 4–7, 10, 13, and 14 unpatentable in a final written decision on Oct. 19, 2021.

Google LLC (with Samsung and LG) petitioned for inter partes review of the '084 patent. The PTAB held claims 1, 2, 4–7, 10, and 14 unpatentable as obvious.

Inter partes review petition by Samsung against U.S. Patent No. 8,676,852. The PTAB denied institution on the merits on September 22, 2020.

Samsung petitioned for inter partes review of U.S. Patent 8,370,393. The PTAB instituted review and found all challenged claims 1–16 unpatentable; the Federal Circuit affirmed in No. 22-1526, and an IPR certificate issued Feb. 9, 2024 cancelling the claims.

Samsung entities petitioned for inter partes review of U.S. Patent 6,936,936 owned by FISI. The proceeding was terminated before institution on July 16, 2018, after settlement.

Samsung petitioned for inter partes review of U.S. Patent No. 7,701,173, challenging all 12 claims on Veselic/Kranzen/Vyssotski grounds. The PTAB instituted the review on July 6, 2018, and terminated it on July 13, 2018, after settlement.

ZTE (USA) and Samsung co-petitioned for IPR of the '655 patent. The PTAB instituted, issued a Final Written Decision on July 2, 2019, and issued an IPR certificate on Oct. 24, 2019; the PTAB permitted retroactive correction of the RPI notice to add ZTE (TX) Inc.

Samsung entities petitioned for inter partes review of the ’678 patent. The proceeding was joined with IPR2016-00209 and decided in the same November 30, 2016 final written decision holding claims 1–18 unpatentable.

This is an Inter Partes Review (IPR) proceeding initiated by Samsung. The PTAB has instituted a trial, having determined a reasonable likelihood that the petitioner would prevail on at least one of the challenged claims.

Samsung Electronics Co., Ltd. filed a post-grant review petition at the PTAB challenging patent 12193790, which was procedurally denied institution.

Samsung entities filed an Inter Partes Review (IPR) against Chien-Min Sung, challenging US Patent 8974270. Oral arguments are scheduled for June 19, 2025.

An Inter Partes Review (IPR) case filed by Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc. against Staton Techiya, LLC at the PTAB, which concluded with a Final Written Decision.

Samsung Electronics Co., Ltd. filed an Inter Partes Review petition challenging US Patent 10615925, owned by LG Electronics Inc. The PTAB issued a final written decision on January 25, 2023, finding all challenged claims (1-15) unpatentable due to anticipation.

Samsung Electronics Co., Ltd. challenged the validity of US10217523B1 in this Inter Partes Review. The PTAB issued a Final Written Decision upholding the validity of the patent, which was later affirmed on appeal.

Samsung petitioned for IPR challenging claims 1, 4, 7, and 8 of the '595 patent. The PTAB instituted review and held all challenged claims unpatentable as obvious over prior art.

Samsung petitioned for inter partes review challenging claims 1-19 of the '654 patent. The petition was dismissed prior to institution, and Google Patents labels the status as 'Settlement.'

District court action involving Samsung and Omni MedSci. No asserted patents identified; US 9,995,722 not confirmed as asserted.

Samsung filed an inter partes review challenging the '086 patent, part of the Samsung challenge wave related to Maxell v. Samsung, 5:23-cv-00092. A Final Written Decision issued.

Companion appeal to No. 2025-1638 involving Meta and Samsung. It was consolidated into 2025-1638 and then dismissed per the court's nonprecedential order of September 3, 2025, after Samsung was removed; mandate issued as to 2025-1662 only.

Samsung petitioned for inter partes review of US 10,966,015, challenging claims 1-13, 15, 17, and 18. The PTAB found all challenged claims unpatentable under 35 U.S.C. § 318(a), and an IPR certificate issued effective October 31, 2023.

Samsung petitioned for IPR as part of a group (IPR2018-00605, -00606, -00607, -00620, -00621, -00622). The Board dismissed the petitions before institution on July 16, 2018, after settlement; the settlement covered the '514 patent, though the narrative notes the specific patent-to-petition mapping for IPR2018-00622 is unconfirmed.

Samsung's appeal from the district court's partial final judgment of about $548 million, of which about $149 million related to three utility patents including the '915 patent. The Federal Circuit summarily denied the appeal; rehearing en banc was denied Nov. 19, 2015. Samsung paid the '915 damages in December 2015.

Supreme Court review of design-patent damages (article of manufacture / § 289 total profit) arising from the Apple v. Samsung litigation that included '915 damages. Decided Dec. 6, 2016; judgment vacated in part and remanded as to design-patent damages only. Samsung did not petition for certiorari on any '915 issue, so the '915 liability/damages findings were unaffected.