Maxell, Ltd.

This is an inter partes review petition filed by Samsung Electronics Co. Ltd. against Maxell, Ltd. before the PTAB.

LG Electronics petitioned for inter partes review of all claims 1–9 of U.S. Patent 7,421,188, asserting obviousness over Yoshida/Terashita, Dow, and Dow/Murakami. The parties settled and filed a joint motion to terminate; the proceeding was closed July 9, 2025 without institution or final written decision.

LG Electronics petitioned for inter partes review against Maxell regarding U.S. Patent 6,856,760. The proceeding was terminated after settlement prior to institution, with the Board decision entered July 9, 2025.

LG Electronics filed an inter partes review challenging U.S. Patent No. 10,244,284. The parties filed a joint motion to terminate on July 1, 2025, and the proceeding was terminated as settled on July 9, 2025.

LG Electronics USA Inc. et al. filed an inter partes review challenging U.S. 8,736,729. The PTAB terminated the proceeding on July 21, 2025, due to settlement prior to institution, with a confidential settlement agreement filed.

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

LG Electronics petitioned for inter partes review of U.S. 8,339,493. The proceeding was terminated as settled on July 14, 2025.

LG Electronics petitioned for inter partes review of claims 1–19 of U.S. Patent No. 10,199,072 on obviousness grounds. The PTAB terminated the proceeding after settlement before institution of trial.

LG Electronics petitioned for inter partes review of US 9,818,449, challenging claims 1 and 9-12. The PTAB terminated the proceeding by settlement before institution on July 9, 2025, with no merits decision.

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.

Motorola Mobility LLC, Motorola Mobility Holdings, LLC, Lenovo Group Limited, and Lenovo (United States), Inc. filed an inter partes review against U.S. 6,928,292. The Board instituted review and terminated the proceeding after post-institution settlement on July 10, 2023.

This is a declaratory judgment action filed by Motorola Mobility LLC against Maxell, Ltd. and was identified as a related lawsuit in a June 2023 document concerning another IPR.

Motorola Mobility LLC filed a defensive declaratory-judgment action against Maxell, Ltd. in the Northern District of Illinois under 28 U.S.C. § 2201, two months after Maxell's Texas suit. The retrieved docket ends with the first amended complaint filed March 4, 2022, and no final disposition was retrieved; it was likely resolved as part of the Lenovo/Motorola settlement.

Motorola Mobility filed a declaratory judgment action against Maxell seeking non-infringement and invalidity of Maxell patents it was accused of infringing, expressly including U.S. 7,072,673. The case was closed on June 15, 2023.

Apple petitioned for inter partes review of claims 1–4 of the '086 patent. The proceeding was terminated before institution based on a joint motion following settlement in April 2021.

Apple petitioned for inter partes review of U.S. Patent 7,203,517. The proceeding was terminated by settlement prior to institution.

Apple petitioned for inter partes review in a proceeding identified as associated with U.S. Patent No. 6,430,498. The PTAB did not institute the IPR.

Apple Inc. petitioned for inter partes review of claims 1-6 of U.S. Patent No. 6,580,999. The Board did not institute the IPR, and the proceeding was resolved in connection with the parties' global settlement.

Apple petitioned for inter partes review of claims 1, 6, and 7 of the '193 patent. The Board exercised discretion under 35 U.S.C. § 314(a) and denied institution based on the advanced parallel Eastern District of Texas litigation.

Apple Inc. filed an inter partes review petition challenging U.S. Patent No. 6,928,306. The Board instituted review and then terminated the proceeding as settled on April 20, 2021, noting the parallel E.D. Tex. case had been dismissed.

Apple challenged claims 1-3 and 5-14 of U.S. 6,329,794; the PTAB instituted on June 19, 2020, and terminated the proceeding on April 20, 2021 due to settlement.

Apple petitioned for inter partes review of U.S. Patent 10,084,991. The Board instituted review but terminated the proceeding on April 20, 2021 based on the parties' settlement, without a final written decision.

Apple Inc. filed an inter partes review petition against Maxell, Ltd. challenging claims of U.S. 10,212,586. The Board instituted review on July 15, 2020, but terminated the proceeding on April 20, 2021 due to settlement without reaching the merits.

Huawei Technologies Co., Ltd. filed an IPR petition challenging US 7,324,487. The proceeding was terminated as settled on April 17, 2019.

Inter partes review petition filed by Huawei Technologies Co., Ltd. challenging U.S. Patent 7,995,897; the proceeding was terminated by settlement.

ASUS petitioned for inter partes review of U.S. Patent No. 6,430,498. The PTAB denied institution on March 14, 2019.

Inter partes review petition filed by BlackBerry Corporation challenging U.S. Patent 7,995,897; the proceeding was terminated by settlement.

BlackBerry Corporation filed an inter partes review petition against Maxell, Ltd. challenging U.S. Patent No. 9,100,604. The proceeding was terminated by settlement without a final written decision on the merits.

Olympus petitioned for inter partes review of Maxell's U.S. Patent 6,856,760. The PTAB denied institution on the merits, cited as Paper 9 dated Nov. 19, 2018.

Olympus petitioned for inter partes review of U.S. 8,339,493. The proceeding was terminated on December 26, 2018.

Inter partes review petition filed by Olympus Corporation et al. challenging U.S. Patent 7,995,897; terminated by settlement on Dec. 26, 2018.

Declaratory-judgment action identified by Docket Alarm's patent:(7995897) search as Olympus Corp. v. Maxell, Ltd. The narrative states the '897 linkage is probable but not established.

Declaratory judgment action by Olympus against Maxell alleging non-infringement of the '209 Patent and related patents. The docket's Report to the Commissioner listed US 6,765,616; US 7,199,821; US 7,551,209; US 8,130,284; and US 9,451,229 as patents at issue; the case closed 2018-11-14 and the broader dispute settled in 2018.

Parallel declaratory-judgment action related to Maxell, Ltd. v. Olympus Corporation and Olympus America, Inc.

ZTE petitioned for inter partes review of U.S. 6,329,794; the PTAB denied institution on the merits, so the patent survived the validity challenge.

Huawei petitioned for inter partes review of U.S. Patent 7,203,517. The proceeding was terminated by settlement.

ZTE petitioned for inter partes review of U.S. Patent No. 8,098,695. The PTAB did not institute the IPR on the merits, and the patent survived the challenge.

ZTE petitioned for inter partes review of US 6,816,491. The PTAB denied institution on the merits, so the '491 patent survived the challenge.

ZTE filed an inter partes review petition against Maxell as one of seven IPR petitions directed to Maxell's asserted patents. The PTAB did not institute the petition on the merits, and the asserted patents survived ZTE's IPR challenges.

ZTE petitioned for inter partes review of U.S. 8,339,493. The PTAB did not institute the petition on the merits.

Huawei Device Co., Ltd. and Huawei Technologies Co. filed an inter partes review against U.S. 6,928,292. The proceeding was terminated by settlement before a final written decision.

This Inter Partes Review petition, filed by Samsung against Maxell, challenged the validity of claims across ten patents, including US10783228, but institution of the review was not granted on the merits.

PTAB proceeding listed in the Google Patents family/litigation record as filed and closed by settlement. The petitioner, challenged claims, and specific patent link were not independently confirmed; it is associated with the 6,928,306 patent family.

Apple petitioned for inter partes review of claims 5 and 6 of U.S. 8,339,493. The PTAB did not institute the petition for procedural reasons.

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.