Legal analysis: The supporting materials that should be provided when applying for recognition of a well-known trademark are as follows: 1. Materials proving the relevant public’s awareness of the trademark; 2. Materials proving the duration of use of the trademark; 3. Materials proving the trademark the duration, extent and geographical scope of any promotional efforts; etc.

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 someone else's well-known trademark that has been registered in China, misleading the public and causing the interests of the well-known trademark registrant to be harmed, registration will not be granted and use will be prohibited.