Individuals who request fee reduction and exemption must truthfully fill in their annual income. If two or more individuals apply for a patent, the annual income of each person should be filled in. Where a unit requests fee reduction, 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. The certificate issued by the administrative department for patent work of the people's government at or above the municipal level shall indicate whether the unit requesting patent fee reduction or exemption is an enterprise, institution or government organization, and explain its economic difficulties. If the filling does not meet the requirements or the relevant certificates are not submitted, the fee will not be reduced.
The request for fee waiver is made at the same time as the patent application, and the above fees can be waived together. After filing a patent application, you can only request to postpone the payment of the unexpired fees except the application fee, but the request should be made at least two and a half months before the expiration of the relevant fee payment period.