The registered service life of a trademark is 1 years, and it can be renewed after 1 years, and each renewal time is 1 years. According to Article 37 of the Trademark Law, the period of validity of a registered trademark is ten years, counting from the date of approval of registration. According to Article 38 of the Trademark Law, if a registered trademark needs to be used continuously after its expiration, it shall apply for renewal of registration within six months before its expiration; If no application for renewal is made during this period, a six-month extension period may be granted. If no application has been filed at the expiration of the grace period, its registered trademark shall be cancelled. The period for each renewal of a registered trademark is ten years. After the renewal of registration is approved, it shall be announced.