Legal basis: People's Republic of China (PRC) Patent Law.
Article 42 The term of patent right for invention is 20 years, and the term of patent right for utility model and patent right for design is 10 years, counting from the date of application.
Article 59 The scope of protection of the patent right for invention or utility model shall be subject to the contents of the claims, and the description and drawings may be used to explain the contents of the claims. The protection scope of the patent right of design shall be subject to the design of the product shown in the picture or photograph, and the brief description can be used to explain the design of the product shown in the picture or photograph.