The reasons for the trademark change are as follows: 1. The name of the trademark registrant has changed; 2. The address of the trademark registrant has changed; The following documents shall be provided to the Trademark Office: an application for trademark change; Power of attorney for trademark agency; A copy of the applicant's identification documents (copy of business license, ID card, etc.); To apply for changing the name of the registrant, a certificate of change issued by the Administration for Industry and Commerce shall also be submitted; Then the trademark agency will send the application to the trademark office.