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

Maxell, Ltd. filed this infringement suit against Lenovo Group Ltd., Lenovo (United States) Inc., and Motorola Mobility LLC, alleging infringement on eight patents. A motion for alternative service was granted on February 15, 2022.

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.

Maxell, Ltd. sued Samsung Electronics Co., Ltd. for infringement. A $112M verdict from May 2025 was overturned in November 2025, but the case remains active with ongoing proceedings, including a scheduled Markman Hearing and Pretrial Conference.