2. Fully search to find the closest comparison file and related files;
3. It is necessary to comprehensively consider whether these technical points are of practical significance as technical secrets in combination with the characteristics of products or technologies.
Legal basis: Article 59 of the Patent Law of People's Republic of China (PRC) stipulates that the scope of protection of the patent right for invention or utility model shall be subject to the content of the claim, and the content of the claim may 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.