Legal analysis: the term of invention patent right is 20 years, and the term of utility model patent right and design patent right is 10 years, all of which are counted from the date of application. The term of patent right refers to the legal term and termination time 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.
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.