Legal analysis: If a registered trademark becomes the common name of the goods approved for use or has not been used for three consecutive years without justifiable reasons, any unit or individual may apply to the Trademark Office to cancel the registered trademark. The relevant circumstances should be stated when submitting the application. After accepting the application, the Trademark Office shall notify the trademark registrant, and shall submit evidence of the use of the trademark before the cancellation application is submitted or explain the legitimate reasons for non-use within 2 months from the date of receipt of the notification; if no evidence of use is provided upon expiration of the period, If the materials or evidence materials are invalid and there is no justifiable reason, the Trademark Office will revoke the registered trademark.

Legal basis: "Trademark Law of the People's Republic of China"

Article 49: The trademark registrant may change the registered trademark, registration name or trademark on his own during the use of the registered trademark. If the person's name, address or other registration information is changed, the local industrial and commercial administrative department shall order it to make corrections within a time limit; if it fails to make corrections within the time limit, the Trademark Office shall revoke the registered trademark.

If a registered trademark becomes the common name of the goods approved for use or is not used for three consecutive years without justifiable reasons, any unit or individual may apply to the Trademark Office to cancel the registered trademark. The Trademark Office shall make a decision within nine months from the date of receipt of the application. If there are special circumstances that require an extension, it can be extended for three months with the approval of the industrial and commercial administration department of the State Council.

Article 50: If a registered trademark is revoked, declared invalid or will not be renewed upon expiration, within one year from the date of cancellation, invalidation or cancellation, the Trademark Office shall, within one year from the date of revocation, declaration of invalidity or cancellation, conduct a review of any trademark that is identical or similar to the trademark. The trademark registration application will not be approved.