1. Submit an application for changing the registered name address of the trademark applicant. 2. Required information: 1. Copy of the new business license (stamped). 2. Original certificate of change issued by the local industrial and commercial bureau. 3. Application for changing the registered name address of the trademark applicant. 4. Power of attorney (if entrusted by an agency). 3. Cost: government fees, 5 yuan whole 4. Ways to handle it: 1) You can handle it yourself. Go to Beijing and submit the materials directly in the registration hall of the State Trademark Office. 2) Entrust an agency to handle the entrusted agency, and the fee will be 3-5 yuan.