37 CFR § 2.156 - Not subject to opposition; subject to cancellation.
---identifier: "/us/cfr/t37/s2.156"source: "ecfr"legal_status: "authoritative_unofficial"title: "37 CFR § 2.156 - Not subject to opposition; subject to cancellation."title_number: 37title_name: "Patents, Trademarks, and Copyrights"section_number: "2.156"section_name: "Not subject to opposition; subject to cancellation."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: falsecurrency: "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"---
Identifier
/us/cfr/t37/s2.156
Currency
2026-03-24
Positive Law
No
Updated
2026-03-24
Chapter
United States Patent and Trademark Office, Department of Commerce
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. 10... 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.
# 2.156 Not subject to opposition; subject to cancellation.The published mark is not subject to opposition, but is subject to petitions to cancel as specified in § 2.111 and to cancellation for failure to file the affidavit or declaration required by section 8 of the Act.[64 FR 48924, Sept. 8, 1999]