What materials should be submitted for patent rights mitigation?

According to China National Intellectual Property Administration Decree No.39 "Patent Fee Reduction and Exemption Measures", the patent fee reduction and exemption proves that the application materials are complete and effective. The application materials include: an application form for the patent fee waiver certificate; Copy of the business license or legal person certificate of the unit applicant; Abstract of an application for a patent for invention or utility model; Copy of patent acceptance notice (filing patent application). Proof of the applicant's financial difficulties: the financial statements of the enterprise last month and the relevant certificates issued by the tax authorities; Proof of economic difficulties of the unit issued by the superior competent department of the organ or organization; Income certificates issued by individual units, streets and police stations. According to the provisions of the Measures for the Reduction and Exemption of Patent Fees, the patent applicant or patentee may request the reduction or exemption of the following patent fees: (1) application fee (excluding printing fee and surcharge); (2) the substantive examination fee for an application for a patent for invention; (3) Annual fee (within six years from the date of granting the patent right); (4) review fee. Measures for reduction and exemption of patent fees Article 2 A patent applicant or patentee may request reduction and exemption of the following patent fees: (1) Application fee (excluding publication and printing fee and application surcharge); (2) the substantive examination fee for an application for a patent for invention; (3) Annual fee (within six years from the year when the patent right is granted); (4) review fee.