Legal analysis: The term of invention patent rights is 20 years, and the term of utility model patent rights and design patent rights is 10 years, both calculated from the date of application.

Legal basis: Article 123 of the "People's Republic of China and Civil Code" Civil subjects enjoy intellectual property rights in accordance with the law. Intellectual property rights are the exclusive rights enjoyed by obligees in accordance with the law with respect to the following objects: (1) works; (2) inventions, utility models, and designs; (3) trademarks; (4) geographical indications; (5) trade secrets; (5) trade secrets; 6) Integrated circuit layout design; (7) New plant varieties; (8) Other objects specified by law.