Legal analysis: Generally speaking, there are three ways to apply for a trademark: (1) register online at the Trademark Office in official website; (2) The registration hall of the Trademark Office, the office of the Trademark Office in Zhongguancun National Independent Innovation Demonstration Zone, the trademark examination cooperation center set up by the Trademark Office outside Beijing, or the trademark acceptance window set up by the local industrial and commercial and market supervision departments entrusted by the Trademark Office; (3) Apply directly to a trademark agency.

Legal basis: Trademark Law of the People's Republic of China

Article 22 An applicant for trademark registration shall fill in the category and name of the goods using the trademark according to the prescribed commodity classification table and file an application for registration. An applicant for trademark registration may apply for registration of the same trademark for multiple categories of goods through one application. The application for trademark registration and other relevant documents may be submitted in writing or in the form of data messages.

article 23 where a registered trademark needs to obtain the exclusive right to use the trademark on goods outside the approved scope of use, a separate application for registration shall be filed.