Legal analysis: The content of the exclusive right to use a trademark refers to the rights enjoyed by a trademark registrant according to law, including the exclusive right to use, prohibition, transfer, license and renewal of a registered trademark. The most important ones are the exclusive right to use and the prohibition right. The term of validity of a registered trademark is 1 years, counting from the date of approval of registration. Where a registered trademark needs to be used continuously after its expiration, it shall apply for renewal of registration within 6 months before the expiration; If an application is not filed within this period, a six-month grace period may be granted. If an application is not filed after the grace period expires, its registered trademark shall be cancelled. The validity period of each renewal registration is 1 years.

Legal basis: Trademark Law of the People's Republic of China

Article 39 A registered trademark is valid for ten years, counting from the date of approval of registration.

Article 4 Where a registered trademark needs to be used continuously 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.

the trademark office shall announce the renewed registered trademark.