Legal analysis: Patent application needs to pay an annual fee. After obtaining the patent certification, you need to pay the patent fee according to the regulations every year. According to the relevant laws and regulations of our country, the patentee shall pay the annual fee from the year when the patent right is granted. If the patentee waives his patent right in writing without paying the annual fee as required, the patent right shall be terminated before the expiration of the time limit, and shall be registered and announced by the patent administration department of the State Council.
Legal basis: Article 43 of the Patent Law of People's Republic of China (PRC) stipulates that the patentee shall pay the annual fee from the year when the patent right is granted. Article 44 of the Patent Law of People's Republic of China (PRC) is under any of the following circumstances: 1. Failing to pay the annual fee as required; 2. The patentee waives his patent right in writing. Where the patent right is terminated before the expiration of the time limit, it shall be registered and announced by the patent administration department of the State Council.