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.
Where a trademark registrant applies for cancellation of its registered trademark or registration of its trademark on some designated goods, and the cancellation is approved by the Trademark Office, its exclusive right to use a registered trademark or the exclusive right to use a registered trademark on designated goods shall terminate from the date when the Trademark Office receives the cancellation application.
Article 74
If a registered trademark is revoked or cancelled in accordance with the provisions of Article 73 of these regulations, the original Trademark Registration Certificate shall be invalidated and announced; Where the registration of the trademark is cancelled on some designated commodities, or the trademark registrant applies for cancellation of the registration of its trademark on some designated commodities, it shall reissue the trademark registration certificate and make an announcement.