---
kind: "unit"
title: "15"
title_heading: "Commerce and Trade"
key: "ch22/schI"
level: "subchapter"
label: "Subchapter I"
heading: "The Principal Register"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/15/ch22-schI"
sections_count: 24
---

# Subchapter I — The Principal Register

Title 15 — Commerce and Trade › Chapter 22 — Trademarks

## Sections

- [§1051. Application for registration; verification](/usc/15/1051.md)
- [§1052. Trademarks registrable on principal register; concurrent registration](/usc/15/1052.md)
- [§1053. Service marks registrable](/usc/15/1053.md)
- [§1054. Collective marks and certification marks registrable](/usc/15/1054.md)
- [§1055. Use by related companies affecting validity and registration](/usc/15/1055.md)
- [§1056. Disclaimer of unregistrable matter](/usc/15/1056.md)
- [§1057. Certificates of registration](/usc/15/1057.md)
- [§1058. Duration, affidavits and fees](/usc/15/1058.md)
- [§1059. Renewal of registration](/usc/15/1059.md)
- [§1060. Assignment](/usc/15/1060.md)
- [§1061. Execution of acknowledgments and verifications](/usc/15/1061.md)
- [§1062. Publication](/usc/15/1062.md)
- [§1063. Opposition to registration](/usc/15/1063.md)
- [§1064. Cancellation of registration](/usc/15/1064.md)
- [§1065. Incontestability of right to use mark under certain conditions](/usc/15/1065.md)
- [§1066. Interference; declaration by Director](/usc/15/1066.md)
- [§1066a. Ex parte expungement](/usc/15/1066a.md)
- [§1066b. Ex parte reexamination](/usc/15/1066b.md)
- [§1067. Interference, opposition, and proceedings for concurrent use registration or for cancellation; notice; Trademark Trial and Appeal Board](/usc/15/1067.md)
- [§1068. Action of Director in interference, opposition, and proceedings for concurrent use registration or for cancellation](/usc/15/1068.md)
- [§1069. Application of equitable principles in inter partes proceedings](/usc/15/1069.md)
- [§1070. Appeals to Trademark Trial and Appeal Board from decisions of examiners](/usc/15/1070.md)
- [§1071. Appeal to courts](/usc/15/1071.md)
- [§1072. Registration as constructive notice of claim of ownership](/usc/15/1072.md)