China Criticizes US Patent Rule Revision as Discriminatory (1)

Nov. 18, 2025, 4:03 PM UTC

China criticized the US Patent and Trademark Office’s recently revised transparency rules on patent invalidation petitions as a “discriminatory restriction” on Chinese companies’ rights.

  • The US move in the name of national security has violated its international obligations on intellectual property protection, China’s Ministry of Commerce saidin statement on Tuesday
  • China will take necessary measures to protect Chinese firms’ rights, it added
  • NOTE: Trump Patent Chief Requires Party Disclosures for Validity Cases

(Updates headline and related story in note)

To contact the reporters on this story:
Ailing Tan in Singapore at atan193@bloomberg.net;
Phila Siu in Hong Kong at ...

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