Samsung Electronics America, Inc.

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.

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.

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.

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 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.

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 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.

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 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).

Samsung petitioned for inter partes review of the '455 patent. The proceeding was terminated as a settlement.

Samsung petitioned for inter partes review of the '705 patent; the proceeding terminated before an institution decision due to settlement.

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.

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.

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 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 petitioned for inter partes review of U.S. Patent No. 9,235,700 B1. The proceeding was consolidated for hearing with IPR2021-01438 and terminated by settlement without a confirmed final written decision cancelling the '700 patent.

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.

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.

Samsung petitioned for inter partes review of U.S. Patent No. 9,697,264 B2. The PTAB denied institution on September 22, 2020, on the merits for failure to show unpatentability.

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 claims 1–14 of U.S. 9,436,354. The Board instituted review, found the asserted claims unpatentable in a final written decision, and the Federal Circuit affirmed; an IPR certificate cancelling the claims issued in 2024.

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 petitioned for IPR of the '433 patent, instituted on February 6, 2018. Sources conflict on the outcome: Google Patents lists settlement, while RPX lists a final decision holding all claims unpatentable, with appeals 19-2167 and 19-2165.

Inter partes review petition by Samsung Electronics America, Inc. against Uniloc Luxembourg S.A. concerning U.S. Patent 8,199,747. Instituted Feb. 6, 2018; final written decision entered Jan. 31, 2019, terminating the proceeding.

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.

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 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.'

Samsung Electronics America, Inc. petitioned for inter partes review of US 9,049,188 B1. The proceeding was consolidated for hearing with IPR2021-01439 on US 9,235,700; oral hearing was held November 29, 2022, and it was terminated by settlement without a final written decision on validity.

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.

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.