---
kind: "unit"
title: "35"
title_heading: "Patents"
key: "ptIII/ch25"
level: "chapter"
label: "Chapter 25"
heading: "Amendment and Correction of Patents"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/35/ptIII-ch25"
sections_count: 7
---

# Chapter 25 — Amendment and Correction of Patents

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

## Sections

- [§251. Reissue of defective patents](/usc/35/251.md)
- [§252. Effect of reissue](/usc/35/252.md)
- [§253. Disclaimer](/usc/35/253.md)
- [§254. Certificate of correction of Patent and Trademark Office mistake](/usc/35/254.md)
- [§255. Certificate of correction of applicant’s mistake](/usc/35/255.md)
- [§256. Correction of named inventor](/usc/35/256.md)
- [§257. Supplemental examinations to consider, reconsider, or correct information](/usc/35/257.md)