A well-known trademark is a type of trademark recognized by the Trademark Office of the State Intellectual Property Office or the People's Court as needed. It is widely known to the public in China and enjoys a high reputation. The protection of well-known trademarks is not limited to identical or similar goods or services. When applying for registration or use of different or dissimilar goods, they will not be registered and are prohibited from use. Therefore, well-known trademarks are endowed with relatively broad exclusivity. right. Moreover, the company name and website domain name of the company holding the "well-known trademark" will receive special legal protection different from ordinary trademarks. So far, there are 1,624 trademarks recognized as “well-known trademarks” in China, of which 98 are foreign brands. Factors that 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.