legal ground
Article 18 of the Trademark Law of People's Republic of China (PRC) may apply for trademark registration or handle other trademark matters by itself or by entrusting a legally established trademark agency. If a foreigner or foreign enterprise applies for trademark registration and handles other trademark matters in China, it shall entrust a legally established trademark agency to handle it. Article 41 Where a registered trademark needs to change the name, address or other registered items of the registrant, an application for change shall be filed.