37 CFR § 3.1 - Definitions.
For purposes of this part, the following definitions shall apply:
Application means a national application for patent, an international patent application that designates the United States of America, an international design application that designates the United States of America, or an application to register a trademark under section 1 or 44 of the Trademark Act, 15 U.S.C. 1051, or 15 U.S.C. 1126, unless otherwise indicated.
Office means the United States Patent and Trademark Office.