Online inquiry: The payer can also log on to the website of China National Intellectual Property Administration government, click "Patent Search Inquiry" and enter "Patent Examination Information Inquiry in China and Many Countries or Patent Affairs Information Inquiry in China" to inquire about the fees payable and paid fees. Website:.
Telephone inquiry: the payer can inquire personal payment information by telephone. Enquiry telephone number: 0 10-62356655.
Please refer to Article 8 of Patent Application Fee in SIPO Patent Examination Guide on the website of National Information Bureau: /zhfwpt/zlsqzn/zlsqfy/