Skip to content

Title 15 — Commerce and Trade

Chapter 1 — Monopolies and Combinations in Restraint of Trade

§ 12. Definitions; short title

Statutory text

(a)

“Antitrust laws,” as used herein, includes the Act entitled “An Act to protect trade and commerce against unlawful restraints and monopolies,” approved July second, eighteen hundred and ninety; sections seventy-three to seventy-six, inclusive, of an Act entitled “An Act to reduce taxation, to provide revenue for the Government, and for other purposes,” of August twenty-seventh, eighteen hundred and ninety-four; an Act entitled “An Act to amend sections seventy-three and seventy-six of the Act of August twenty-seventh, eighteen hundred and ninety-four, entitled ‘An Act to reduce taxation, to provide revenue for the Government, and for other purposes,’ ” approved February twelfth, nineteen hundred and thirteen; and also this Act.

“Commerce,” as used herein, means trade or commerce among the several States and with foreign nations, or between the District of Columbia or any Territory of the United States and any State, Territory, or foreign nation, or between any insular possessions or other places under the jurisdiction of the United States, or between any such possession or place and any State or Territory of the United States or the District of Columbia or any foreign nation, or within the District of Columbia or any Territory or any insular possession or other place under the jurisdiction of the United States: Provided, That nothing in this Act contained shall apply to the Philippine Islands.

The word “person” or “persons” wherever used in this Act shall be deemed to include corporations and associations existing under or authorized by the laws of either the United States, the laws of any of the Territories, the laws of any State, or the laws of any foreign country.

(b)

This Act may be cited as the “Clayton Act”.

Legislative history

Reconstructed from this section’s Code source credit and amendment notes, resolved against the local Statutes at Large. Editorial notes are evidence, not the law that made the change.

  1. Pub. L. 63–323 § 1 · 38 Stat. 730

    Enacted · 15 U.S.C. § 12

    Oct. 15, 1914, ch. 323, § 1, 38 Stat. 730

    Source evidence

    Code source credit
    Oct. 15, 1914, ch. 323, § 1, 38 Stat. 730

  2. Sherman Act

    Pub. L. 94–435 title III § 305(b) · 90 Stat. 1383

    1. Amended · 15 U.S.C. § 12

      Pub. L. 94–435 designated existing provisions as subsec. (a)

    2. Added · 15 U.S.C. § 12

      Pub. L. 94–435 added subsec. (b)

    Source evidence

    Code amendment note
    Pub. L. 94–435 designated existing provisions as subsec. (a) and added subsec. (b).

    Enacted provision · exact public law section
    (b) The Act entitled “An Act to supplement existing laws against unlawful restraints and monopolies, and for other purposes”, approved October 15, 1914 (15 U.S.C. 12 et seq.) is amended by— (1) inserting “(a)” after “That” in the first section; and (2) adding at the end of the first section the following new subsection: “(b) This Act may be cited as the ‘Clayton Act’.”.

  3. Antitrust Technical Corrections Act of 2002

    Pub. L. 107–273 div. C title IV § 14102(c)(2)(A) · 116 Stat. 1758

    Substituted · 15 U.S.C. § 12(a)

    Pub. L. 107–273 substituted “seventy-three to seventy-six” for “seventy-three to seventy-seven” in first par

    Source evidence

    Code amendment note
    Subsec. (a). Pub. L. 107–273 substituted “seventy-three to seventy-six” for “seventy-three to seventy-seven” in first par.

    Enacted provision · exact public law section
    (A) Clayton act.— Subsection (a) of the 1st section of the Clayton Act (15 U.S.C. 12(a)) is amended by striking “seventy-seven” and inserting “seventy-six”.

    Effective date note
    Amendment by Pub. L. 107–273 effective Nov. 2, 2002, and applicable only with respect to cases commenced on or after Nov. 2, 2002, see section 14103 of Pub. L. 107–273, set out as a note under section 3 of this title.

3 of 4 references resolved to an enrolled provision · 1 partial

Editorial Notes

References in Text

Words “herein” and “this Act”, referred to in the three paragraphs of subsec. (a), mean the Clayton Act. For classification of the Clayton Act to the Code, see last paragraph hereunder.

The Act entitled “An Act to protect trade and commerce against unlawful restraints and monopolies,” approved July second, eighteen hundred and ninety, referred to in subsec. (a), is act July 2, 1890, ch. 647, 26 Stat. 209, known as the Sherman Act, which is classified to sections 1 to 7 of this title.

The Act entitled “An Act to reduce taxation, to provide revenue for the Government, and for other purposes,” of August twenty-seventh, eighteen hundred and ninety-four, referred to in subsec. (a), is act Aug. 27, 1894, ch. 349, 28 Stat. 509, known as the Wilson Tariff Act. Sections seventy-three to seventy-six thereof are set out as sections 8 to 11 of this title.

The Act entitled “An Act to amend sections seventy-three and seventy-six of the Act of August twenty-seventh, eighteen hundred and ninety-four, entitled ‘An Act to reduce taxation, to provide revenue for the Government, and for other purposes’,” approved February twelfth, nineteen hundred and thirteen, referred to in subsec. (a), is act Feb. 12, 1913, ch. 40, 37 Stat. 667, which is classified to sections 8 and 11 of this title.

The Clayton Act, referred to in subsec. (b), is act Oct. 15, 1914, ch. 323, 38 Stat. 730, which is classified to sections 12, 13, 14 to 19, 21, and 22 to 27 of this title, and sections 52 and 53 of Title 29, Labor. Sections 9 and 21 to 25 of the act were repealed by act June 25, 1948, ch. 645, § 21, 62 Stat. 862, eff. , and their provisions are now covered by sections 402, 660, 3285 and 3691 of Title 18, Crimes and Criminal Procedure, except that former section 23 of the act is obsolete and not now covered. Sections 17 to 19 of the act were repealed by act June 25, 1948, ch. 646, § 39, 62 Stat. 992, eff. , and their provisions are now covered by rule 65 of the Federal Rules of Civil Procedure, set out in the Appendix to Title 28, Judiciary and Judicial Procedure. For complete classification of this Act to the Code, see Tables.

Codification

The 3d par. of subsec. (a) is also classified to section 53 of Title 29, Labor.

Amendments1976–2002 · 2 rounds

2002

Subsec. (a). Pub. L. 107–273 substituted “seventy-three to seventy-six” for “seventy-three to seventy-seven” in first par.

1976

Pub. L. 94–435 designated existing provisions as subsec. (a) and added subsec. (b).

Statutory Notes and Related Subsidiaries

Effective Date of 2002 Amendment

Amendment by Pub. L. 107–273 effective , and applicable only with respect to cases commenced on or after , see section 14103 of Pub. L. 107–273, set out as a note under section 3 of this title.

Credits

1914–2002 · 3 acts
  1. 1914Oct. 15, 1914, ch. 323, § 1, 38 Stat. 730
  2. 1976Pub. L. 94–435, title III, § 305(b), , 90 Stat. 1397
  3. 2002Pub. L. 107–273, div. C, title IV, § 14102(c)(2)(A), , 116 Stat. 1921.
Show as published

(Oct. 15, 1914, ch. 323, § 1, 38 Stat. 730; Pub. L. 94–435, title III, § 305(b), , 90 Stat. 1397; Pub. L. 107–273, div. C, title IV, § 14102(c)(2)(A), , 116 Stat. 1921.)

Parsed from the official OLRC USLM XML in data/usc_all/usc15.xml · release point 119-108 · OLRC build 2026-09-09

USLM identifier /us/usc/t15/s12