In order to prevent the expiration of the trademark, the trademark renewal procedures should be handled within 12 months before the expiration of the trademark validity period. 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 official fee for trademark renewal is 1000 yuan. Application documents to be submitted: application for trademark renewal registration; A copy of the applicant's subject qualification certificate confirmed by seal or signature; Submit the agent's ID card directly in the trademark registration hall (the original is returned after comparison); If the application document is in a foreign language, it shall be accompanied by a Chinese translation.