Narrow Stipulation Results in Fintiv Denial

Narrow Stipulation Results in Fintiv Denial, PTAB Litigation Blog

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On March 31, 2023, Zhuhai CosMX Battery Co., Ltd. (“Zhuhai”) filed a petition for inter partes review (“IPR”) of claims of U.S. Patent No. 11,329,352 (“the ’352 Patent”), assigned to Ningde Amperex Technology Ltd. (“Amperex”).  The ’352 Patent relates to the structure of secondary batteries and is the subject of parallel litigation in the Eastern District of Texas involving the same parties.  The IPR petition challenged several claims of the ’352 Patent as obvious based on various combinations of Chinese and United States patent documents.

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