Legal analysis: there is no uniform standard for how much product similarity is considered infringement, but whether it belongs to infringement can be determined by comparing products.

1. If the main design parts (important parts) such as shapes and patterns are the same, they shall be deemed as the same design.

2. The main design parts (major parts) in the constitutive requirements are the same or similar, and the minor parts are different, which shall be deemed as approximate design;

3. If the main design parts (main components) of the two are different or similar, they should be considered as different or similar designs.

Legal basis: Article 52 of the Trademark Law of People's Republic of China (PRC) commits any of the following acts, all of which are infringement of the exclusive right to use a registered trademark: (1) using a trademark identical with or similar to its registered trademark on the same commodity or similar commodity without the permission of the trademark registrant; (2) selling goods that infringe upon the exclusive right to use a registered trademark; (3) Forging or unauthorized manufacturing of registered trademark marks of others or selling forged or unauthorized registered trademark marks; (four) without the consent of the trademark registrant, the registered trademark is changed and the goods with the changed trademark are put on the market again; (5) causing other damage to the exclusive right to use a registered trademark of others.