---
kind: "unit"
title: "37"
title_heading: "Patents, Trademarks, and Copyrights"
key: "chII"
level: "chapter"
label: "Chapter II"
heading: "U.s. Copyright Office, Library of Congress"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/37/chII"
sections_count: 209
---

# Chapter II — U.s. Copyright Office, Library of Congress

Title 37 C.F.R. — Patents, Trademarks, and Copyrights

## Contents

- [Subchapter A — Copyright Office and Procedures](/cfr/37/chII-subchA.md)
- [Subchapter B — Copyright Claims Board and Procedures](/cfr/37/chII-subchB.md)