37 CFR § 1.54 - Parts of application to be filed together; filing receipt.
---
identifier: "/us/cfr/t37/s1.54"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "37 CFR § 1.54 - Parts of application to be filed together; filing receipt."
title_number: 37
title_name: "Patents, Trademarks, and Copyrights"
section_number: "1.54"
section_name: "Parts of application to be filed together; filing receipt."
chapter_name: "UNITED STATES PATENT AND TRADEMARK OFFICE, DEPARTMENT OF COMMERCE"
subchapter_number: "A"
subchapter_name: "GENERAL"
part_number: "1"
part_name: "RULES OF PRACTICE IN PATENT CASES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "35 U.S.C. 2(b)(2), unless otherwise noted."
regulatory_source: "24 FR 10332, Dec. 22, 1959, unless otherwise noted."
cfr_part: "1"
---
# 1.54 Parts of application to be filed together; filing receipt.
(a) It is desirable that all parts of the complete application be deposited in the Office together; otherwise, a letter must accompany each part, accurately and clearly connecting it with the other parts of the application. See § 1.53 (f) and (g) with regard to completion of an application.
(b) Applicant will be informed of the application number and filing date by a filing receipt, unless the application is an application filed under § 1.53(d). A letter limited to a request for a filing receipt may be signed by a juristic applicant or patent owner.
[62 FR 53188, Oct. 10, 1997, as amended at 78 FR 62399, Oct. 21, 2013]