Legal analysis: change registration is required. The process of changing the trademark address is as follows: 1. Prepare materials for the change of trademark address; 2. Submit an application for change of trademark address: submit materials to the trademark registration hall or entrust an agency to handle it; 3. The Trademark Office accepts the examination and issues the results.

Legal basis: Article 23 of the Trademark Law of People's Republic of China (PRC). Where a registered trademark needs to change the name, address or other registered items of the registrant, an application for change shall be filed.