Legal analysis: the protection period of a registered trademark is ten years, and the registered trademark shall be renewed before the expiration of the protection period. Apply for the renewal of a registered trademark, submit the corresponding application documents and pay the corresponding fees. The application documents to be submitted are:

(1) trademark renewal registration application;

(2) the applicant's identity certificate (copy);

(3) Submit the power of attorney of the entrusted agent, and directly submit a copy of the agent's ID card in the acceptance hall;

(4) a copy of the registration certificate;

(5) If the application documents are in a foreign language, a Chinese translation signed and confirmed by the translation agency shall also be provided.

The applicant goes directly to the trademark registration hall or entrusts a trademark agency to handle the application, and the trademark agency will serve the application to the Trademark Office. The application for renewal of registration requires a fee of 1000 yuan. If the application for renewal of registration is submitted within the grace period of six months after the expiration of the time limit, a late fee from 250 yuan will be paid.

Legal basis: Article 40 of the Trademark Law of People's Republic of China (PRC). 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 is not completed within this time limit, 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.