Trademark transfer and trademark renewal can be carried out simultaneously. As long as the application documents are submitted at the same time, the documents required for trademark transfer are as follows: Materials required for trademark transfer Article 39 of the Trademark Law of People's Republic of China (PRC) is valid for ten years, counting from the date of approval of registration. Article 40 Where a registered trademark needs to be used continuously after the expiration of its term of validity, the trademark registrant shall go through the renewal procedures in accordance with the provisions within 12 months before the expiration; If it has not been handled during this period, it can be extended for six months. The validity period of each renewal registration is ten years, counting from the day after the last expiration of the trademark. If the renewal formalities are not completed at the expiration of the period, the registered trademark shall be cancelled. The Trademark Office shall announce the renewed registered trademark. Article 42 Where a registered trademark is assigned, the assignor and the assignee shall sign an assignment agreement and file an application with the Trademark Office. The transferee shall guarantee the quality of the goods using the registered trademark. Where a registered trademark is transferred, the trademark registrant shall transfer the similar trademark registered on the same commodity or the same or similar trademark registered on similar commodities together. The Trademark Office shall not approve the assignment that is likely to cause confusion or have other adverse effects, and shall notify the applicant in writing and explain the reasons. After the transfer of a registered trademark is approved, it shall be announced. The transferee shall enjoy the exclusive right to use the trademark from the date of announcement. 1. Transfer the identification documents of both parties (if both parties are enterprises, provide a copy of the business license; If it is an individual, provide a copy of the personal ID card and a copy of the business license of the individual industrial and commercial household with the individual as the person in charge); 2. A copy of the trademark registration certificate, trademark renewal certificate, trademark change certificate, trademark license filing certificate or acceptance notice; 3. One original of the transfer agreement. The progress flow of trademark transfer application is 1, and about 1 month after the application is submitted, the State Trademark Office issues the Notice of Acceptance of Trademark Transfer; 2. About 6 to 8 months after the application is submitted, the Trademark Office approves the application for transfer registration, and issues a Trademark Transfer Registration Certificate to be used together with the Trademark Registration Certificate; At the same time, the updated information of the obligee can be found on the official website of the Trademark Office. The following materials shall be prepared for trademark renewal: 1, and 2 copies of trademark certificate. The applicant for trademark renewal shall truthfully fill in the application form as required, and the name of the applicant shall be consistent with the name in the Seal (Signature) of the Applicant and the seal (signature) of the attached qualification certificate. If the applicant is a natural person, he shall also fill in the ID number at the back of his name. 3. The applicant's identity certificate, a copy of the applicant's identity card and a copy of the business license of individual industrial and commercial households with the applicant as the main qualification for the individual application, and the company provides a copy of the company's business license. There is no conflict between the transfer and renewal of a trademark. As long as the owner in accordance with the relevant requirements. Submit relevant documents to the Trademark Office for application. But trademark transfer takes about six to eight months. However, the renewal of the trademark can be handled immediately. After the processing is completed, it will take effect on the second day after the expiration of the original trademark.