The reasons for the termination of the patent right are: the expiration of the patent term; The patentee fails to pay the annual fee in accordance with the provisions; The patentee voluntarily renounces the patent right. The term of patent right for invention is 20 years, the term of patent right for utility model is 10 year, and the term of patent right for design is 15 year, all of which are counted from the date of application.
Legal objectivity:
Article 44 of the Patent Law of People's Republic of China (PRC) is under any of the following circumstances: (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. Article 42, paragraph 1, The term of the invention patent right is 20 years, the term of the utility model patent right is 10 year, and the term of the design patent right is 15 year, all of which are counted from the date of filing.