(1) written change application;
(2) the applicant's qualification certificate, the original trademark registration license materials, etc. ;
(3) A certificate of change issued by the registration authority;
(4) Other materials that need to be submitted specially for trademark change.
legal ground
Article 24 of the Trademark Law of People's Republic of China (PRC)
Where a registered trademark needs to change its logo, it shall re-apply for registration.
Article 49
Where a trademark registrant changes the registered trademark, the registrant's name, address or other registered items by himself in the process of using the registered trademark, the local administrative department for industry and commerce shall order it to make corrections within a time limit; If it fails to make corrections within the time limit, its registered trademark shall be revoked by the Trademark Office.
Any unit or individual may apply to the Trademark Office for the cancellation of a registered trademark if it becomes the common name of a commodity approved for use or if it is not used for three consecutive years without justifiable reasons. The Trademark Office shall make a decision within nine months from the date of receiving the application. There are special circumstances that need to be extended, which can be extended for three months with the approval of the administrative department for industry and commerce of the State Council.