1. When paying, you should fill in the correct application number or patent number as well as the type and amount of the fee paid. The correct application number or patent number should be 9 digits (patents applied before October 1, 2003) or 13 digits (patents applied after October 1, 2003), and must not be missing, before the last check digit. The decimal point can be omitted.
For example: the 9-digit application number can be written as 9910xxxx.2 or 9910xxxx2; the 13-digit application number can be written as 200510xxxxxx.1 or 200510xxxxx1.
2. When the payer remits money, the bank or post office staff should be required to enter detailed payment information in the remittance postscript. If the payment is made through the post office, the post office staff should also be required to enter the complete mailing address, including the postal address. Code and recipient phone number. Fees shall not be sent to the Patent Office Acceptance Office or other departments of the Patent Office or to individual examiners. When receiving a remittance voucher from a bank or post office, you should carefully check the application number or patent number as well as the mailing address and postal code of the payer to avoid the loss of necessary information due to input errors by bank or post office staff.