How to apply for a patent contract? What materials need to be prepared?

Documents to be submitted for filing patent contracts include: application form for filing patent licensing contracts, original or notarized copies of patent licensing contracts (signed or sealed by licensors of both parties), relevant identification materials of both parties, and other documents required by law for filing patent contracts. The legal basis of Article 14 of the Detailed Rules for the Implementation of the Patent Law of People's Republic of China (PRC): Article 14 of the Detailed Rules for the Implementation of the Patent Law of People's Republic of China (PRC), if the patent right is transferred for other reasons besides the one stipulated in Article 10 of the Patent Law, the parties concerned shall go through the formalities for the transfer of the patent right with the relevant certification documents or legal documents. The patent licensing contract concluded between the patentee and others shall be filed with the patent administrative department of the State Council within 3 months from the date when the contract comes into effect. Where the patent right is pledged, the pledger and pledgee shall register the pledge with the patent administration department of the State Council.