1. Materials required for trademark change 1. Change of name of trademark registrant (trade name remains unchanged): copy of trademark acceptance letter or trademark registration certificate before change; original industrial and commercial certification document for change of company name; change A copy of the company license after the change; the application form and power of attorney must be stamped with the official seal of the company after the change, and the official seal and license before the change are not required. If the change document is in a foreign language, a Chinese translation signed and confirmed by a translation agency should be provided. 2. Change the address of the trademark registrant: a copy of the trademark acceptance letter or trademark registration certificate before the change; no industrial and commercial change certificate is required; a copy of the company license after the change; the application and power of attorney are stamped with the official seal of the company after the change, and the official seal before the change And license is not required. If the updated document is in a foreign language, a Chinese translation signed and confirmed by the translation agency should be provided. Note: If the name or address of the trademark registrant is changed, the trademark registrant should change all registered trademarks at the same time. 2. Things to note when transferring trademark rights: When transferring a registered trademark, the trademark registrant shall transfer the same or similar trademark registered on the same or similar goods together. One month after the transfer application is submitted, the Trademark Office will send the "Notice of Acceptance" to the transferee by mail according to the address filled in the application form, and at the same time, send a copy to the registrant according to the address of the registrant of the transferred trademark recorded in the Trademark Office. A "Notice of Acceptance". If the transfer application does not comply with legal requirements, the Trademark Office will notify the applicant in writing by mail to make corrections within a time limit according to the address filled in on the application. After the transfer application is approved, the Trademark Office will send the transfer certificate to the transferee by mail according to the address filled in the application form, and publish an announcement on the transfer of the trademark. The date of signature on the certificate is the date of announcement, and the assignee shall enjoy the exclusive right to use the trademark from that date. If the transfer application cannot be approved for other reasons, the Trademark Office will notify the applicant in writing by mail according to the address filled in the application form. If there are multiple transferees in the transfer application, the relevant notice or certificate from the Trademark Office will only be issued to the representative. If anyone else needs proof, they should apply for a reissue. If the applicant entrusts a trademark agency to handle the transfer application, the Trademark Office will not directly have any correspondence with the applicant, and all documents will be sent to the trademark agency. The category of the application should be filled in according to the international classification category approved by the "Trademark Registration Certificate". Things to note when applying for trademark registration by a natural person: Materials required for trademark change and other related issues are as mentioned above. What we can know is that when making a trademark change, the relevant procedures are different when changing the trademark registrant or changing the trademark registration address. Therefore, we need to first confirm that we want to change before applying for a trademark change. Which kind of application should be applied, and then go through the relevant procedures to avoid erroneous changes caused by not knowing the difference between the two.