A US Registration Number is a seven digit number issued by the USPTO in conjunction with the issuance of a Registration Certificate on the Principal or Supplemental Register resulting from applications based on §§1, 44 and 66(a) of the Trademark Act. The registration certificate includes the owner's name and address, the mark, the goods/services, the International Class(es), and a Registration Number of no more than 7 digits. The certificate is placed in a registration jacket cover under seal and is signed by the Director of the USPTO