The term of patent right refers to the legal effective time of patent right. The patent right is protected by law within the validity period. According to the provisions of the patent law, the legal validity of invention patents is 20 years; The legal validity period of utility model patent and design patent is 10 year. The above legal validity period is calculated from the date of application.
Legal basis: Article 45 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.