37 CFR § 1.485 - Amendments by applicant during international preliminary examination.

---
identifier: "/us/cfr/t37/s1.485"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "37 CFR § 1.485 - Amendments by applicant during international preliminary examination."
title_number: 37
title_name: "Patents, Trademarks, and Copyrights"
section_number: "1.485"
section_name: "Amendments by applicant during international preliminary examination."
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: "2026-04-05"
last_updated: "2026-04-05"
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"
---


# 1.485 Amendments by applicant during international preliminary examination.

The applicant may make amendments at the time of filing the Demand. The applicant may also make amendments within the time limit set by the International Preliminary Examining Authority for reply to any notification under § 1.484(b) or to any written opinion. Any such amendments must be made in accordance with PCT Rule 66.8.

[74 FR 31373, July 1, 2009]