1. The act of using a trademark identical with or similar to its registered trademark on the same or similar goods without the permission of the registered trademark owner.

2, without the consent of the trademark registrant, change its registered trademark and put the goods with the changed trademark on the market again. This kind of behavior is also called reverse impersonation in theory.

3. Selling goods that infringe the exclusive right to use a registered trademark. If you sell a commodity that you don't know is an infringement of the exclusive right to use a registered trademark, and you can prove that the commodity was legally obtained by yourself and explain the supplier, you will not be liable for compensation. Therefore, this form of trademark infringement requires the seller's subjective understanding.

4. Forge or make others' registered trademark marks without authorization or sell forged or made registered trademark marks without authorization. It should be noted that this kind of infringement is trademark infringement, including manufacturing and sales.

5. Acts that cause other damage to the exclusive right to use a registered trademark of others.

Legal basis: Article 57 of the Trademark Law of People's Republic of China (PRC) commits any of the following acts, all of which are violations of the exclusive right to use a registered trademark:

(1) Using the same trademark as its registered trademark on the same commodity without the permission of the trademark registrant;

(2) Without the permission of the trademark registrant, using a trademark similar to its registered trademark on the same kind of goods, or using a trademark identical with or similar to its registered trademark on similar goods is likely to cause confusion;

(3) selling goods that infringe upon the exclusive right to use a registered trademark;

(4) Forging or unauthorized manufacturing of registered trademark marks of others or selling forged or unauthorized registered trademark marks;

(five) 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;

(6) Deliberately facilitating the infringement of the exclusive right to use a trademark of others and helping others to commit the infringement of the exclusive right to use a trademark;

(seven) causing other damage to the exclusive right to use a registered trademark of others.