Legal basis: People's Republic of China (PRC) Patent Law.
Article 64 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.
Article 66 Where a patent infringement dispute involves an invention patent of a new product manufacturing method, the unit or individual that manufactures the same product shall provide proof that its product manufacturing method is different from the patented method.
Where a patent infringement dispute involves a patent for utility model or a patent for design, the people's court or the administrative department for patent affairs may require the patentee or interested party to issue a patent evaluation report made by the patent administrative department of the State Council after searching, analyzing and evaluating the relevant utility model or design as evidence for hearing and handling the patent infringement dispute; The patentee, interested party or accused infringer may also issue a patent evaluation report on his own initiative.