The trademark registration number is the number in the upper right corner of the trademark registration certificate, and the relevant proof is the trademark registration certificate.

After a trademark is registered, the State Trademark Office will issue a legal document, namely a trademark registration certificate, to the trademark registrant to prove the scope of its trademark exclusive rights. The main contents recorded on the "Trademark Registration Certificate" include: trademark pattern, trademark registration number, trademark registrant's name and address, the goods or services approved for use by the registered trademark and their categories, the start and end dates and validity period of the exclusive right to use the trademark. There is a number in the upper right corner of the trademark registration certificate, which is the application number and registration number. The registration number is the number registered with the Trademark Office of the State Administration of Administration. Generally, it will be generated after trademark registration. A trademark has only one trademark registration number.