If a patent applicant or patentee submits a patent fee waiver request through the patent affairs service system and it is approved for filing after examination, it only needs to submit the fee waiver request again within a natural year without submitting relevant certification materials.
Legal basis: measures for the reduction and exemption of patent fees
Article 5 The patent applicant or patentee can only request to reduce the unexpired fees. The request to reduce the application fee shall be filed at the same time as the patent application, and the request to reduce other fees may be filed at the same time as the patent application, or two and a half months before the expiration of the relevant fee payment period. If the request for reduction of payment is not submitted within the prescribed time limit, it will not be reduced.
Article 6 Where a patent applicant or patentee requests to reduce the patent fee, it shall submit a request for reduction and relevant supporting materials. If a patent applicant or patentee submits a patent fee waiver request through the patent affairs service system and it is approved for filing after examination, it only needs to submit the fee waiver request again within a natural year without submitting relevant certification materials.
Article 7 Where an individual requests to reduce or exempt patent fees, he shall truthfully fill in the income of the previous year in the request for fee reduction, and submit the income certificate of the previous year issued by his unit; If there is no fixed job, submit the certificate issued by the civil affairs department at the county level or the township people's government (street office) where the household registration is located.
Where an enterprise requests to reduce or exempt patent fees, it shall truthfully fill in the financial difficulties in the request for fee reduction and exemption, and submit a copy of the enterprise income tax return for the previous year. During the period of final settlement, the enterprise shall submit a copy of the annual enterprise income tax return for the previous year.
If a public institution, social organization or non-profit scientific research institution requests to reduce or exempt patent fees, it shall submit a copy of the legal person certification materials.