---
kind: "unit"
title: "37"
title_heading: "Patents, Trademarks, and Copyrights"
key: "ch0"
level: "chapter"
label: "Chapter 0"
heading: "Chapter V [reserved]"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/37/ch0"
sections_count: 0
---

# Chapter 0 — Chapter V [reserved]

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