Legal analysis: According to Article 14 of the Trademark Law of the People's Republic of China, well-known trademarks should 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 in 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) The record of the trademark being protected as a well-known trademark;

(5) The Other factors that make a trademark famous.

During the review of trademark registration and the investigation and handling of trademark violation cases by the industrial and commercial administrative departments, if the parties claim rights in accordance with Article 13 of this Law, the Trademark Office may, based on the needs of reviewing and handling the case, make a well-known trademark The situation is determined.

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

(5) The Other factors that make a trademark famous.

During the review of trademark registration and the investigation and handling of trademark violation cases by the industrial and commercial administrative departments, if the parties claim rights in accordance with Article 13 of this Law, the Trademark Office may, based on the needs of reviewing and handling the case, make a well-known trademark The situation is determined.