How many years is the term of invention patent right in China?

The term of invention patent right in China is 20 years, and the patentee shall pay the annual fee from the year when the patent right is granted, counting from the date of application. The invention patent right is the exclusive right to put forward a new technical scheme for a product, method or its improvement, which is generally referred to as the invention patent.

legal ground

Article 42 of the Patent Law, 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, counting 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.