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 renewal of a registered trademark, submit the corresponding application documents and pay the corresponding fees. The application documents to be submitted are:

(1) Application for trademark renewal registration;

(2) the applicant's identification document (copy);

(3) Submit the Power of Attorney for the entrusted agent, and submit the copy of the ID card of the agent directly in the acceptance hall;

(4) a copy of the registration certificate;

(5) If the application document is in a foreign language, a Chinese translation confirmed by the signature of the translation agency shall also be provided.

the applicant directly goes to the trademark registration hall or entrusts a trademark agency to handle it, and the trademark agency will serve the application to the trademark office. An application for renewal of registration requires a fee, 1 yuan. If the application for renewal of registration is submitted within the grace period of six months after the expiration of the time limit, 25 yuan's delay fee will also be paid.

Legal basis: Article 4 of the Trademark Law of the People's Republic of China * * * If a registered trademark needs to be used continuously after its expiration, the trademark registrant shall go through the renewal procedures in accordance with the regulations within 12 months before the expiration. If it fails to do so within this period, a six-month extension period may be granted. 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.