Legal analysis: The methods for trademark certification are as follows: 1. Directly apply to the Trademark Office of the State Administration for Industry and Commerce for recognition as a well-known trademark. 2. Apply to the Trademark Office for recognition of a well-known trademark during the trademark opposition procedure. 3. During the trademark dispute procedure, apply to the Trademark Review and Adjudication Board of the State Administration for Industry and Commerce for recognition of a well-known trademark.

Legal basis: "Trademark Law of the People's Republic of China" Article 13 If the holder of a trademark that is well-known to the relevant public believes that its rights have been infringed, it may request to be well-known in accordance with the provisions of this law. Trademark protection. If a trademark applied for registration on the same or similar goods is a copy, imitation or translation of someone else's well-known trademark that has not been registered in China and is likely to cause confusion, it will not be registered and its use will be prohibited. If a trademark applied for registration for different or dissimilar goods is a copy, imitation or translation of a well-known trademark already registered in China by others, misleading the public and causing possible damage to the interests of the registrant of the well-known trademark, registration will not be granted and use will be prohibited.