Legal basis: Article 64 of the Patent Law of People's Republic of China (PRC), the scope of protection of the patent right for invention or utility model is subject to the content of the claim, and the content of the claim can be explained by the specification and attached drawings. 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.