The required materials are "Patent Rights Transfer Contract" and "Declaration Form for Change of Bibliographic Items". 1. Fill in the "Patent Rights Transfer Contract". 2. Fill out the "Declaration Form for Changes in Bibliographic Items". Fill out the “Declaration Form for Change of Bibliographic Items” and provide documentation proving the change of bibliographic items. Materials proving changes in bibliographic items refer to: 1. If the applicant or patentee has rights transferred due to disputes over ownership of rights, or the inventor has changed due to disputes over qualifications, if the dispute is resolved through negotiation, a document signed or stamped by all parties shall be submitted. Rights transfer agreement; if the dispute is determined by a judgment of the People's Court, the legally effective judgment of the People's Court shall be submitted. After receiving the judgment, the Patent Office shall notify the other parties to inquire whether to file an appeal. Within the specified time limit (two If there is no reply within 3 months) or it is clear that there is no appeal, the judgment will become legally effective; if an appeal is filed, the party concerned shall issue a notice of acceptance of the appeal, and the original People's Court judgment will not become legally effective.