Legal analysis: Patent licensing contract filings can be found. The State Intellectual Property Office has established a patent licensing contract filing database. The public can check the legal status of patent licensing contract filing.
Legal basis: "Measures for the Registration of Patent Implementation Licensing Contracts"
Article 2 The State Intellectual Property Office is responsible for the filing of patent implementation licensing contracts nationwide.
Article 3 The licensor of a patent implementation license shall be the legal patentee or other right holder.
If a patent license contract is entered into with the party’s own patent rights, unless otherwise agreed by all parties or otherwise stipulated in the Patent Law of the People’s Republic of China, the party shall Obtain the consent of other *** persons.