What should I do if I apply for a patent without reducing the fee?

You can submit a fee waiver request to China National Intellectual Property Administration. According to the inquiry of the Beijing Municipal People's Government, if the applicant has not checked the request for fee reduction in the patent application and has completed the filing of fee reduction qualification, and the patent application fee cannot be reduced, and the filing procedures for fee reduction have been completed, he can submit a request for fee reduction to China National Intellectual Property Administration and apply for it later, requesting the reduction of subsequent fees.