Legal analysis: if a registered trademark needs to be used continuously after its expiration, it shall apply for renewal of registration within 12 months before its expiration; Failing to apply within this time limit, a grace period of 6 months may be granted. Each renewal is valid for 10 years.

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.

The Trademark Office shall announce the renewed registered trademark.