1, active logout. That is, before the expiration of the validity period of a trademark, the parties concerned take the initiative to apply to the Trademark Office for cancellation of the trademark;

2. Passive logout. That is, if the trademark owner fails to go through the renewal formalities within 18 months after the expiration of the trademark term, the trademark office shall revoke the trademark ex officio;

3. Other circumstances.

legal ground

Article 73 of the Regulations on the Implementation of the Trademark Law of People's Republic of China (PRC)

Where a trademark registrant applies to cancel its registered trademark or its trademark registration on some designated commodities, it shall submit an Application for Trademark Cancellation to the Trademark Office and return the original Trademark Registration Certificate.

Article 40 of the Trademark Law of People's Republic of China (PRC)

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.