Legal basis: Article 14 of the Measures for the Filing of Patent Licensing Contracts, the relevant contents of the filing of patent licensing contracts are registered in the patent register by China National Intellectual Property Administration, and the following contents are announced in the patent bulletin: licensor, licensee, main classification number, patent number, application date, authorization announcement date, license type and duration, and application date.
If the patent licensing contract is changed, dissolved or revoked after filing, China National Intellectual Property Administration shall make corresponding registration and announcement.