1. Refund request should be made in writing, with reasons and corresponding certificates attached. For example, a copy of the charge receipt issued by China Patent Office, a remittance voucher issued by a post office or a bank, etc. The certificate provided by the post office or bank shall be the original. If the original cannot be provided, a notarized copy confirmed by the official seal of the department shall be provided;
2. Submit a statement of opinions (about expenses). The refund request shall indicate the application number or patent number and the information of the refund amount (such as bill number, fee amount, etc.). ) and payee information. If a party requests a refund through the post office, the payee information includes the name, address and postal code; If the party requests a refund through the bank, the payee information includes name, bank, account number and other information.
The refund applicant can only be the payer. If the applicant (or patentee) or agency requests a refund as a non-payer, it shall declare that it is entrusted by the payer to handle the refund procedures.