Behavior that meets the following conditions is considered trademark infringement: there must be an illegal act; there must be actual damage; the offender is subjectively at fault, and the goods sold by the offender are counterfeit registered trademarks The facts are already known or should be known; there must be a causal relationship between the illegal act and the damaging consequences. Legal basis: Article 57 of the Trademark Law of the People's Republic of China. Anyone who commits any of the following acts shall infringe upon the exclusive right to use a registered trademark: (1) Using the same product on the same product without the permission of the trademark registrant. Using a trademark that is the same as its registered trademark; (2) Using a trademark that is similar to its registered trademark on the same product without the permission of the trademark registrant, or using a trademark that is the same or similar to its registered trademark on similar products, which may easily lead to Confusing; (3) Selling goods that infringe the exclusive rights of registered trademarks; (4) Forging or manufacturing registered trademarks of others without authorization or selling forged or unauthorized registered trademarks; (5) Replacing trademarks without the consent of the trademark registrant Registers a trademark and puts the goods with the replaced trademark into the market; (6) Deliberately provides facilities for infringement of the exclusive rights of others' trademarks and helps others to infringe the exclusive rights of trademarks; (7) Grants the exclusive rights of registered trademarks to others causing other damage.