Legal analysis: The application procedure for a well-known trademark is: preliminary contact, preliminary judgment, and then signing an entrustment agreement. After preparing the application materials, you can formally apply. Then, companies that have obtained well-known trademarks will be publicized and reported in the "China Well-known Trademarks" magazine and China Well-known Trademarks Online, and entered into the database of Chinese well-known trademarks. According to Article 14 of the Trademark Law of the People's Republic of China: Well-known trademarks shall be recognized as facts that need to be determined in handling trademark cases at the request of the parties.

Legal basis: Article 14 of the "Trademark Law of the People's Republic of China" Well-known trademarks shall be determined at the request of the parties as facts that need to be determined in handling trademark cases. The following factors should be considered when determining a well-known trademark:

1. The degree of awareness of the trademark by the relevant public;

2. The duration of use of the trademark;

3 , the duration, extent and geographical scope of any publicity work for the trademark;

4. Records that the trademark is protected as a well-known trademark;

5. Other factors that make the trademark famous .