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Inventor information requirements in the amended Chinese Patent Examination Guidelines

By Hongyue Li | Posted on January 6, 2026

The China National Intellectual Property Administration (CNIPA) announced the latest revisions to the Patent Examination Guidelines on November 10, 2025, which came into effect on January 1, 2026. Among the revisions, the updated requirements for filing all inventors’ information in patent applications have garnered widespread attention across the industry. This update clarifies the modification to the inventor...

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Tags: CNIPA, Identity Information, Inventors, patents

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Hongyue Li, Senior Associate and China Patent Attorney, Beijing, China

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