(1) filing application form: the filing application form can be downloaded from China National Intellectual Property Administration website; When filling in the application form, the patent number, project name, filing applicant, contract nature, license type, contract performance place, signing date, total royalties, rights stability statement and other items shall be accurately filled in;
(2) Copy of the contract: the submitted copy of the contract must be the original contract signed and sealed by both parties; If a copy of the contract cannot be provided for justified reasons, a notarized copy of the contract may be submitted; The transferor of a sub-licensing contract shall also provide a copy of the previous contract or a notarized copy of the original contract;
(3) A copy of the patent certificate or the notification of acceptance of the patent application;
(4) Identification certificate of the transferor: If the transferor is a natural person, submit a copy of the ID card as its identification certificate; If the transferor is a legal person, a copy of the business license shall be submitted as proof of its identity.