Starting March 26, the Clearinghouse will accept and verify registered trademarks, marks protected by statue or treaty, or court validated marks as well as any other marks that constitute Intellectual Property (IP) rights in accordance with the registry's policies and that meet the eligibility requirements of the Trademark Clearinghouse.
If other types of marks are accepted at a registry’s request, additional guidelines concerning these marks will be published on the Website.
You can download the detailed registration guidelines here.