1. Annual patent examination. According to relevant data, patent certificates do not need to be examined annually. The term of the invention patent right is 20 years, and the term of the utility model patent right and the design patent right is 10 years, all of which are counted from the date of application. Since the patent right was granted, the annual patent fee has been paid according to different patent certificates. If the patentee waives his patent right in writing without paying the annual fee in accordance with the regulations, the patent right shall be terminated before the expiration of the time limit.
2. Patent reexamination. According to relevant data, if the patent applicant refuses to accept the decision of the patent administration department in the State Council to reject the application, he may request a reexamination to the Patent Reexamination Board within three months from the date of receiving the notice. After reexamination, the Patent Reexamination Board shall make a decision and notify the patent applicant. If the patent applicant refuses to accept the reexamination decision of the Patent Reexamination Board, he may bring a lawsuit to the people's court within three months from the date of receiving the notice.
The word patent comes from Latin, which is an open letter or a public document. It is a certificate used by medieval monarchs to issue certain privileges, and later refers to the exclusive right certificate signed by the British king himself. In modern times, patents are generally documents issued by government agencies or regional organizations representing several countries according to their applications. This document recorded the contents of the invention and created a legal state in a certain period of time. A patented invention-creation can only be implemented with the permission of the patentee. Patents can be divided into three categories: invention, utility model and design.