A well-known trademark refers to a trademark that is widely known to the relevant public and enjoys a high reputation in China. According to the relevant provisions of the Trademark Law, the following factors should be considered when identifying a well-known trademark: 1, the awareness of the relevant public about the trademark; 2. Duration of trademark use; 3. The duration, degree and geographical scope of any publicity work of the trademark; 4, the trademark as a well-known trademark protection record; 5. Other factors that make the trademark famous. Second, according to the provisions of the Trademark Law and its implementing regulations, in the process of trademark registration and trademark examination, the trademarks of the same or similar goods applied for registration are well-known trademarks that are copied, imitated or translated by others and easily confused; Or the trademark applied for registration on different or similar goods is a well-known trademark registered by others in China, misleading the public, and thus the interests of the well-known trademark registrant may be harmed. If the parties concerned believe that their trademark constitutes a well-known trademark, they may request the Trademark Office or the Trademark Review and Adjudication Board to identify the well-known trademark and reject the application of the parties concerned. When applying, the parties concerned shall submit evidence that their trademarks constitute well-known trademarks. Three. Materials to be submitted when applying for well-known trademark recognition (1), Report on Request for Recognition of "* *" Trademark (hereinafter referred to as trademark application) (2), Application Form for Well-known Trademark Recognition (3) and its attachments.