General claims can be divided into two types: independent claims and dependent claims.
(1) Independent claims
The independent claims should reflect the main technical content of the invention or utility model as a whole. It includes all necessary technical features and can exist independently. . The collection of its technical features is the maximum protection scope of the patent. Products produced by third parties will not constitute patent infringement as long as they do not use any of the technical features. Therefore, do not include any non-essential technology in the independent claims. characteristics, otherwise it will not constitute infringement; at the same time, do not write the claims (especially the claims of utility model patents) in a relatively broad manner, which will make the rights unstable and easy to be invalidated. After the new law is revised, it will encounter public knowledge. Technical defense.
(2) Dependent claims
Dependent claims refer to all the technical features of an independent claim or several claims, and also contain several new technical features. Claims must be dependent on independent claims or preceding dependent claims.
Each independent claim may have several dependent claims. If there are multiple claims, they should be numbered sequentially with Arabic numerals. The independent claim should be numbered first, followed by its dependent claims.