Legal analysis: The green food mark is a quality certification mark, which belongs to the category of intellectual property and is protected by the Trademark Law of the People's Republic of China. This kind of government-authorized special agency to manage green food labels is a production organization and management behavior that organically combines technical means and legal means, rather than a spontaneous civil self-protection behavior. The green food mark use certificate is valid for three years. During this period, green food production enterprises must accept random inspections and annual inspections of their products by the center, the Green Office or the monitoring agency entrusted by the center, and fulfill the "Green Food Label Use Agreement." If you want to continue to use the green food label after the expiration, you must go through the re-application procedures three months before the expiration.

Legal basis: Article 39 of the "Trademark Law of the People's Republic of China" The validity period of a registered trademark is ten years, calculated from the date of approval of registration.

Article 40 of the "Trademark Law of the People's Republic of China" If a registered trademark expires and needs to be continued to be used, the trademark registrant shall apply for renewal in accordance with regulations within twelve months before expiration. If the procedure cannot be completed during this period, a six-month extension period can be given. Each renewal of registration is valid for ten years, starting from the day after the expiration of the previous term of validity of the trademark. If renewal procedures are not completed upon expiration, the registered trademark will be cancelled.

The Trademark Office shall announce the renewal of registered trademarks.