According to Articles 39 and 40 of the Trademark Law:

Article 39: The validity period of a registered trademark is ten years, starting from the date of approval of registration. calculate.

Article 40: If a registered trademark has expired and needs to be continued to be used, the trademark registrant shall go through the renewal procedures in accordance with the regulations

within twelve months before expiration; If the application cannot be processed during this period, a six-month extension may be granted. The validity period of each renewal registration is ten years, starting from the day after the expiration of the previous term of validity of the trademark. If the renewal procedures are not completed upon expiration, the registered trademark will be cancelled.

The Trademark Office should announce the renewal of registered trademarks.