1. 1. The materials needed to change the font of a trademark include an application for trademark change, the applicant's identity certificate, business license, etc. The applicant can handle it himself or entrust an agency to handle it. After receiving the application, the Trademark Office will check whether the relevant certificates meet the acceptance conditions.

2. Secondly, after the approval of the Trademark Office, a certificate of trademark change will be issued. If the application for change is deemed as waiver or disapproval, a notice of disapproval or waiver shall be issued.

3. Finally, the Trademark Office will send the corresponding documents to the designated address. After the approval, the trademark can be simplified from traditional Chinese characters to simplified Chinese characters.