constructive notice to the public of the registrant's claim of ownership of the mark;

a legal presumption of the registrant's ownership of the mark and the registrant's exclusive right to use the mark nationwide on or in connection with the goods and/or services listed in the registration;

the ability to bring an action concerning the mark in federal court;

the use of the U.S registration as a basis to obtain registration in foreign countries; and

the ability to file the U.S. registration with the U.S. Customs Service to prevent importation of infringing foreign goods.