37 CFR 2.21 - Requirements for receiving a filing date.
(a) The Office will grant a filing date to an application under section 1 or section 44 of the Act that is in the English language and contains all of the following:
(1) The name of the applicant;
(2) A name and address for correspondence;
(3) A clear drawing of the mark;
(4) A listing of the goods or services; and
(5) The filing fee for at least one class of goods or services, required by § 2.6.