---
kind: "unit"
title: "35"
title_heading: "Patents"
key: "ptIII/ch28"
level: "chapter"
label: "Chapter 28"
heading: "Infringement of Patents"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/35/ptIII-ch28"
sections_count: 3
---

# Chapter 28 — Infringement of Patents

Title 35 — Patents › Part III — Patents and Protection of Patent Rights

## Sections

- [§271. Infringement of patent](/usc/35/271.md)
- [§272. Temporary presence in the United States](/usc/35/272.md)
- [§273. Defense to infringement based on prior commercial use](/usc/35/273.md)