How to refund the patent bonus?

1. Refund request should be made in writing, with reasons and corresponding certificates attached.

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.