If someone has filed an application for revocation of a trademark for three years, the evidence provided by the trademark owner must be within the first three years from the date of revocation of the application for three years, and it will not be regarded as valid evidence after or after that; If the trademark needs to be used every two years, and keep the evidence.

According to the trademark law:

Article 44 Where the use of Item (4) is stopped for three consecutive years, the Trademark Office may revoke the registered trademark; Anyone can also apply to the Trademark Office for cancellation of a registered trademark. After receiving the application, the Trademark Office will notify the trademark registrant to provide the use certificate within a time limit. If the certificate is not provided within the time limit or the certificate is invalid, the registered trademark shall be revoked.

Extended data:

Trademark is a special legal term. A brand or a part of a brand is called a "trademark" after it is registered by the relevant government departments according to law. Trademarks are protected by law, and registrants enjoy exclusive rights.

There are "registered trademarks" and "unregistered trademarks" in China. Registered trademarks are trademarks protected by law after being registered by relevant government departments, while unregistered trademarks are not protected by trademark law.

Trademark is a sign used to distinguish one operator's brand or service from other operators' goods or services. China's Trademark Law stipulates that trademarks approved and registered by the Trademark Office, including commodity trademarks, service trademarks, collective trademarks and certification trademarks, enjoy the exclusive right to use trademarks and are protected by law. If it is a well-known trademark, it will be protected by cross-category laws.

References:

People's Republic of China (PRC) Trademark Law-Baidu Encyclopedia