Legal basis: Article 44 of the Contract Law of People's Republic of China (PRC), a legally established contract shall take effect upon its establishment. Where laws and administrative regulations stipulate that examination and approval, registration and other procedures shall be handled, such provisions shall prevail; Article 87 The transfer of rights or obligations stipulated by laws and administrative regulations shall go through the formalities of approval and registration. , in accordance with its provisions; Article 89 The patent administrative department of the State Council shall set up a patent register to register the following matters related to patent applications and patent rights: (1) the grant of patent rights; (2) Transfer of patent application right and patent right; (3) Pledge, preservation and rescission of the patent right; (four) the filing of the patent licensing contract; (5) invalidation of the patent right; (6) Termination of the patent right. (7) Restoration of the patent right; (8) Compulsory license for patent exploitation; (9) the change of the name, nationality and address of the patentee.