legal ground
Article 14 of the Trademark Law of People's Republic of China (PRC)
Well-known trademarks shall be recognized as facts that need to be recognized in handling trademark cases at the request of the parties concerned. The following factors shall be considered when identifying well-known trademarks:
(a) the public's awareness of the trademark;
(2) the term of use of the trademark;
(3) the duration, degree and geographical scope of any publicity work of the trademark;
(4) The record that the trademark is protected as a well-known trademark;
(5) Other factors that make the trademark famous.
Article 72 of the Regulations for the Implementation of the Trademark Law of People's Republic of China (PRC).
Where a trademark holder requests the protection of a well-known trademark in accordance with Article 13 of the Trademark Law, he may make a request to the administrative department for industry and commerce. In violation of the provisions of Article 13 of the Trademark Law, if it is recognized as a well-known trademark by the Trademark Office, the administrative department for industry and commerce shall order it to stop using the trademark and confiscate and destroy the illegally used trademark logo; Where it is difficult to separate a trademark from a commodity, it shall be confiscated and destroyed together.