Article 2 Where it is really difficult for the applicant or patentee to pay the relevant patent fees, he may request the China National Intellectual Property Administration Patent Office (hereinafter referred to as the Patent Office) to postpone the payment of the relevant fees in accordance with these Measures.
Article 3 With the approval of the Patent Office, the following patent fees may be reduced or exempted:
1. application fee (including publishing and printing fee and application surcharge will not be slowed down);
2. Examination fee for application for patent for invention;
Annual fee (within three years from the year when the patent right is granted);
4. Maintenance fee for invention patent application;
5. Review fee.
Article 4. . . . . . Where the applicant or the patentee is a unit, it may request that 70% of the application fee, the examination fee for an application for a patent for invention and the annual fee be deferred. . . . . .
Article 5 An applicant for a patent may, at the same time as filing a patent application, request a postponement of the payment of the five fees specified in Article 3 of these Measures. After the Patent Office accepts a patent application, the application fee will not be slowed down. The applicant or the patentee can only request to postpone the payment of the fees that have not yet expired, and shall make a request to postpone the payment of the fees two and a half months before the expiration of the relevant fee payment period.
Article 6 Where an applicant or patentee requests fee reduction, it shall submit a request for fee reduction, and attach relevant supporting documents when necessary.
The request for fee reduction shall be signed or sealed by all applicants or patentees.
Article 7. . . . . . Where a unit requests to slow down the patent fee, it shall truthfully fill in the economic difficulties in the fee reduction request, and attach the certificate issued by the patent administration department of the people's government at or above the municipal level.
. . . . . .
To put it simply, you need to fill in a request for cost reduction (official website Download, China National Intellectual Property Administration), then write a certificate of financial difficulties of the unit, and then go to the local intellectual property office (municipal level) to stamp it.
It should be noted that the mitigation materials should be submitted to China National Intellectual Property Administration together with the patent application materials, otherwise the application fee will not be slowed down.