Legal analysis: The 7-digit number in the upper right corner of the trademark registration certificate is the trademark application number.

Legal basis: Article 15 of the "Regulations on the Implementation of the Trademark Law of the People's Republic of China" The name of the commodity or service item shall be filled in according to the category number and name in the commodity and service classification table; If the project name is not included in the goods and services classification table, a description of the goods or services should be attached. If trademark registration applications and other relevant documents are submitted in paper form, they shall be typed or printed. The provisions of Paragraph 2 of this Article shall apply to handling other trademark matters.