The official fee for trademark renewal is RMB 2,000.00 per item (within the renewal period). If you find an agency to do the renewal, the service fee generally ranges from 500 to 1,000 yuan; trademark renewal Time for completion of trademark renewal: It takes approximately 3-6 months to complete trademark renewal. The entire process includes application, review, renewal announcement, and issuance of renewal certificate. The validity period of a registered trademark is 10 years, calculated from the date of approval of registration. If a registered trademark expires and needs to be continued to be used, it should apply for renewal of registration within 12 months before expiration; if the application is not submitted during this period, a 6-month extension period can be given. Each renewal of registration is valid for 10 years, starting from the day after the expiration of the previous term of validity of the trademark. If an application has not been made before the extension period expires, the registered trademark will be cancelled.