1. The extension period is six months from the day after the effective date;
2. The validity period of each renewal registration is ten years;
3. If the renewal formalities are not completed at the expiration of the period, the Trademark Office shall revoke the registered trademark according to law.
legal ground
Article 39 of the Trademark Law of People's Republic of China (PRC)
The period of validity of a registered trademark is ten years, counting from the date of approval of registration.
Article 40
Where a registered trademark needs to be used continuously after the expiration of its term of validity, the trademark registrant shall go through the renewal procedures in accordance with the provisions within 12 months before the expiration; If it has not been handled during this period, it can be extended for six months. 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.
The Trademark Office shall announce the renewed registered trademark.