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37 CFR § 2.48 - Office does not issue duplicate registrations.

---
identifier: "/us/cfr/t37/s2.48"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "37 CFR § 2.48 - Office does not issue duplicate registrations."
title_number: 37
title_name: "Patents, Trademarks, and Copyrights"
section_number: "2.48"
section_name: "Office does not issue duplicate registrations."
chapter_name: "UNITED STATES PATENT AND TRADEMARK OFFICE, DEPARTMENT OF COMMERCE"
subchapter_number: "A"
subchapter_name: "GENERAL"
part_number: "2"
part_name: "RULES OF PRACTICE IN TRADEMARK CASES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "15 U.S.C. 1113, 1123; 35 U.S.C. 2; sec. 10, Pub. L. 112-29, 125 Stat. 284; Pub. L. 116-260, 134 Stat. 1182, unless otherwise noted. Sec. 2.99 also issued under secs. 16, 17, 60 Stat. 434; 15 U.S.C. 1066, 1067."
regulatory_source: "30 FR 13193, Oct. 16, 1965, unless otherwise noted."
cfr_part: "2"
---

# 2.48 Office does not issue duplicate registrations.

If two applications on the same register would result in registrations that are exact duplicates, the Office will permit only one application to mature into registration, and will refuse registration in the other application.

[73 FR 67769, Nov. 17, 2008]