37 CFR 2.61: Action by examiner.

(a) Applications for registration, including amendments to allege use under section 1(c) of the Act, and statements of use under section 1(d) of the Act, will be examined and, if the applicant is found not entitled to registration for any reason, applicant will be notified and advised of the reasons therefor and of any formal requirements or objections.

(b) The Office may require the applicant to furnish such information, exhibits, affidavits or declarations, and such additional specimens as may be reasonably necessary to the proper examination of the application.