Legal analysis: When a trademark expires, there will be a relevant notice, notifying the trademark registrant to go through the trademark renewal procedures. The law stipulates that if a registered trademark has expired and needs to be continued to be used, the trademark registrant must go through the renewal procedures in accordance with the regulations within twelve months before expiration.

Legal basis: Article 40 of the Trademark Law of the People's Republic of China. If a registered trademark expires and needs to be continued to be used, the trademark registrant shall comply with the regulations within twelve months before expiration. Go through the renewal procedures; if you fail to do so during this period, you can be given a six-month extension period. Each renewal of registration is valid for ten years, starting from the day after the expiration of the previous term of validity of the trademark. If renewal procedures are not completed upon expiration, the registered trademark will be cancelled. The Trademark Office shall announce the renewal of registered trademarks.