The term of trademark license cannot exceed the term of validity of the exclusive right to use a trademark. Where it is necessary to continue to use a registered trademark after its expiration, it shall apply for renewal of registration within 6 months before its expiration; Failing to apply within this time limit, a grace period of 6 months may be granted. If no application is made at the expiration of the exhibition period, its registered trademark shall be cancelled. The validity period of each renewal registration is 10 year. According to Article 39 of the Trademark Law, the period of validity of a registered trademark is ten years, counting from the date of approval of registration. Article 39 of the Trademark Law of People's Republic of China (PRC)