Complaint letter: The name, address, contact number and trademark rights of the complainant shall be listed; (If represented by a trademark agency, the name, address and telephone number of the agency shall also be listed); The name, address, infringement facts and relevant information of the respondent; The legal basis and requirements of the complaint and the date of the complaint. According to Article 52 of the Trademark Law, any of the following acts is an 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. Legal objectivity:

Article 52 of the Trademark Law uses unregistered trademarks as registered trademarks, or uses unregistered trademarks in violation of the provisions of Article 1 of this Law, the local administrative department for industry and commerce shall stop them, make corrections within a time limit, and may notify them. If the illegal business amount is more than 5, yuan, a fine of less than 2% of the illegal business amount may be imposed, and if there is no illegal business amount or the illegal business amount is less than 5, yuan, a fine of less than 1, yuan may be imposed.