The validity period of a U.S. trademark is 10 years. If you need to continue to use it after the expiration, you must apply for trademark renewal within 6 months before the expiration. Each renewal is valid for 10 years, and there is no limit to the number of renewals.

The application documents required for U.S. trademark renewal are as follows:

The "Trademark Renewal Registration Application" signed by the trademark applicant, in which the unused products/ The service is deleted from the application;

Applicant’s personal materials (if the applicant is an individual, provide a copy of the ID card; if the applicant is a company, provide a copy of the business license);

A copy of the trademark registration certificate;

A copy of the "Trademark Agency Power of Attorney", which needs to be signed by the applicant.