To protect intellectual property on the Internet, the Trademark Clearinghouse (TMCH) serves as a centralized database for trademark information. Any trademark holder, whether that be a private person or a company, can submit their trademarks for review. When approved, a Signed Mark Data file (SMD) is issued.
To see if your trademarks are eligible and to get started protecting your trademark in the TMCH, see the Trademark Clearinghouse guidelines