---
kind: "unit"
title: "37"
title_heading: "Patents, Trademarks, and Copyrights"
key: "chII/subchB/part231"
level: "part"
label: "Part 231"
heading: "Register's Review"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/37/chII-subchB-part231"
sections_count: 6
---

# Part 231 — Register's Review

Title 37 C.F.R. — Patents, Trademarks, and Copyrights › Chapter II — U.s. Copyright Office, Library of Congress › Subchapter B — Copyright Claims Board and Procedures

## Sections

- [§231.1. General.](/cfr/37/231.1.md)
- [§231.2. Request for Register's review.](/cfr/37/231.2.md)
- [§231.3. Response to request for Register's review.](/cfr/37/231.3.md)
- [§231.4. No new evidence.](/cfr/37/231.4.md)
- [§231.5. Standard of review.](/cfr/37/231.5.md)
- [§231.6. Determination.](/cfr/37/231.6.md)