37 CFR § 1.145 - Subsequent presentation of claims for different invention.

---
identifier: "/us/cfr/t37/s1.145"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "37 CFR § 1.145 - Subsequent presentation of claims for different invention."
title_number: 37
title_name: "Patents, Trademarks, and Copyrights"
section_number: "1.145"
section_name: "Subsequent presentation of claims for different invention."
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"
---


# 1.145 Subsequent presentation of claims for different invention.

If, after an Office action on an application, the applicant presents claims directed to an invention distinct from and independent of the invention previously claimed, the applicant will be required to restrict the claims to the invention previously claimed if the amendment is entered, subject to reconsideration and review as provided in §§ 1.143 and 1.144.

[74 FR 52691, Oct. 14, 2009]