How many years is the authorization period of the invention patent?

The term of authorization for an invention patent is twenty years. According to relevant laws and regulations, the term of invention patent right is 20 years, counting from the date of application. And within the validity period of the patent, the patentee shall pay the annual fee according to law. If the annual fee is not paid in accordance with the regulations, the patent right shall be terminated before the expiration of the time limit.

legal ground

In Article 42 of the Patent Law of People's Republic of China (PRC), the patent right for invention is 20 years, the patent right for utility model is 10 year, and the patent right for design is 15 year, all of which are counted from the date of application. Article 43 The patentee shall pay the annual fee from the year when the patent right is granted. Article 44 In any of the following circumstances, the patent right shall be terminated before the expiration of the time limit: (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.