Trademark registration is the responsibility of the State Trademark Office. Trademark registration is under the jurisdiction of the local administrative department for industry and commerce. If you want to apply for a registered trademark, you should submit relevant materials to the administrative department for industry and commerce, such as a trademark pattern and a copy of the business license of the enterprise. The trademark renewal management institution is a trademark. Article 4 of the Trademark Law of the People's Republic of China * * * If a registered trademark needs to continue to be used after its expiration, the trademark registrant shall go through the renewal procedures in accordance with the regulations within 12 months before the expiration. If it fails to be handled during this period, a six-month extension period may be granted. 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.