National defense patent refers to an invention patent that involves national defense interests, has a potential role in national defense construction and needs to be kept confidential. Due to the particularity of national defense patents, the Regulations on National Defense Patents is a law, which mainly aims at patent problems encountered in national defense construction. The application for national defense patent shall be regulated by the Regulations on National Defense Patent.
According to the provisions of the National Defense Patent Office 1, if it is really difficult to pay the national defense patent fee, you can request the National Defense Patent Office to postpone the application examination fee, substantive examination fee and annual fee, and other fees will not be postponed. At the same time as filing an application for a national defense patent, you can request to postpone the payment of the above three fees. After filing an application for a national defense patent, you can only request to postpone the payment of the unexpired fees except the application examination fee, but the request should be made at least two months before the expiration of the relevant fee period. Where a request for fee reduction is made, a request for fee reduction shall be submitted. Individuals should fill in the annual income, if there are many people applying, they should fill in the annual income of each person. If the unit requests to postpone delivery, it shall explain the reasons and attach the certificate from the superior administrative department.