Legal analysis: the term of patent right refers to the expiration and termination time of the legal term of patent right. If the patent right has not been terminated for other reasons since the announcement of the authorization of the patent right, the patent right shall be terminated on the expiration of the patent right period. The term of the invention patent is 20 years, and the term of the utility model patent and the design patent is 10 years, both of which are counted from the date of application.
Legal basis: Article 42 of the Patent Law of People's Republic of China (PRC) has a term of 20 years, and the term of utility model patent and design patent is 10 years, counting from the date of filing.