Legal analysis: There are two ways to apply for renewal of a registered trademark: (1) entrusting a trademark agency to file with the Trademark Office. (Simple and convenient, acting as an agent all the time, without running around by yourself) (2) The applicant goes directly to the trademark registration hall of the Trademark Office. (3) The applicant applies online through online registration of Chinese trademarks.

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 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.