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Yangtze Memory Technologies Company, Ltd. v. Micron Technology, Inc., et al

  1. January 16, 2026

    Squires Ends Chinese Chip Co. IPRs In Informative Order

    U.S. Patent and Trademark Office Director John Squires has stopped Yangtze Memory Technologies Co.'s challenges to two Micron Technology Inc.-owned patents, saying the Chinese chipmaker did not address concerns over its precise identity.

  2. November 25, 2025

    Chinese Chip Co. Says Entity List Status Is 'Irrelevant' In IPRs

    Yangtze Memory Technologies Co. has told the U.S. Patent and Trademark Office that its presence on a list flagging national security risks has nothing to do with its challenge to Micron Technology Inc.'s patents and that Micron shouldn't be able to "weaponize" that list for its own benefit.

  3. June 11, 2025

    Micron's National Security Arguments Fall Flat At PTAB

    The Patent Trial and Appeal Board has said it will consider patent validity challenges that Micron Technology Inc. and Yangtze Memory Technologies Co. brought against each other, overriding the competing semiconductor companies' efforts to escape scrutiny, including Micron's national security arguments.