Case Number:

IPR2026-00268

Case Type:

IPR

Status:

Discretionary Denial

Petitioner:

CRRC Meishan Co. Ltd. et al.

Patent Number:

11,885,358

1. Filed: February 20, 2026 00:00

   Coverage

   1. October 26, 2026

      USPTO Chief Says China Ties Sink Fastener Patent Challenge

      The head of the U.S. Patent and Trademark Office said a patent challenger's ties to the Chinese government were the reason he had shot down a petition that sought to invalidate a Howmet Aerospace patent on a type of fastener.

   1 other articles on this case. View all »

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