U.S. Customs & Border Protection (CBP), a bureau of the Department of Homeland Security, maintains atrademark recordation system for marks registered at the United States Patent and Trademark Office. Partieswho register their marks on the Principal Register may record these marks with CBP, to assist CBP in itsefforts to prevent the importation of goods that infringe registered marks. The recordation databaseincludes information regarding all recorded marks, including images of these marks. CBP officers monitorimports to prevent the importation of goods bearing infringing marks, and can access the recordationdatabase at each of the 317 ports of entry.