Legal analysis: Does a trademark have a service life? A registered trademark is a trademark protected by law after being registered by the relevant government departments, while an unregistered trademark is not protected by trademark law. A registered trademark has a term of use. According to the relevant provisions of the Trademark Law, the term of validity of a registered trademark is ten years, counting from the date of approval of registration. In addition, Article 4 of the Trademark Law of the People's Republic of China also stipulates that if a registered trademark needs 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.

legal basis: article 37 of the trademark law of the people's Republic of China is valid for ten years, counting from the date of approval of registration.

article 38 of the trademark law of the people's Republic of China * * * where a registered trademark needs to be used continuously after its expiration, it shall apply for renewal of registration within six months before its expiration; Failing to file an application within this period, a six-month grace period may be granted. If an application has not been filed at the expiration of the exhibition period, its registered trademark shall be cancelled. Each renewal of registration is valid for ten years. After the renewal of registration is approved, it shall be announced.