Trademark renewal fee: the official fee is RMB 2000.00/piece (within the renewal period). If you find an agency to renew the trademark, the service fee generally ranges from 500- 1 000 yuan; Completion time of trademark renewal: it takes about 3-6 months to complete the whole trademark renewal, and the whole process is application, review, renewal announcement and issuance of renewal certificate. The trademark renewal time is before the expiration of the validity period 12 months, and the renewal procedures shall be handled in accordance with the regulations; If the trademark owner fails to handle it within this time limit, he may be granted a six-month extension. 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.