What materials are needed for patent right transfer?

1. The format of the statement on the change of the description project is divided into five parts: ① Basic information of the patent application or patent, including the application number or patent number, the name of the invention-creation, the applicant or the patentee; (2) Change the description item according to the notice; ③ Change the project; (4) Annex list; ⑤ Signature or seal of the parties or patent agencies. 2. Patent transfer contract or notarial certificate of transfer contract After the two parties to the patent transfer reach an agreement, the two parties will sign a patent transfer contract, which is protected by law and is also a legal document of the patent transfer application after being signed by both parties; 3. Statement on the termination of agency If the patent agency is changed from A to B, a statement on the termination of agency is also required.