The following evidence is required for trademark revocation without use for three years:

1. Evidence proving the identity information of both parties to the revocation. For example, ID card or business license;

2. Evidence proving that the trademark registrant has not used it for three consecutive years without legitimate reasons;

3. Other evidence.

Legal basis

Article 41 of the "Trademark Law of the People's Republic of China"

Registered trademarks need to change the name, address or For other registration matters, a change application should be submitted.

Article 24

If a registered trademark needs to change its sign, a new registration application must be submitted.

Article 49

If a trademark registrant voluntarily changes the registered trademark, the registrant’s name, address or other registration matters during the use of the registered trademark, the local industrial and commercial administration shall The administrative department shall order corrections within a time limit; if corrections are not made 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.