According to Article 40 of the Trademark Law and Article 33 of the "Trademark Law Implementation Regulations", the validity period of a registered trademark is ten years. If a registered trademark needs to be continued to be used after its validity period expires, the renewal procedures should be completed in accordance with the regulations within twelve months before expiration; if it cannot be completed during this period, a six-month extension period can be given. If renewal procedures are not completed upon expiration, the registered trademark will be cancelled. Trademark renewal mainly examines whether the applicant has the application qualifications, whether the application materials are complete, and whether the renewal application is submitted within the legal period. The trademark usage is not examined. Trademark renewal will be rejected in the following situations:

1) The renewal applicant is not the trademark registrant and has no other interests;

2) The same application has been applied for repeatedly within the same period. Renewal application for content;

3) The registered trademark has lost the exclusive right to use the trademark;

4) Submission of renewal application beyond the statutory time limit;

5 ) Withdrawal of renewal application;

6) Other circumstances in which renewal should not be approved.