Pennsylvania Coal Company v. Mahon

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Pennsylvania Coal Company v. Mahon by Oliver Wendell Holmes, Jr.

Pennsylvania Coal Co. v. Mahon, 260 U.S. 393 (1922), was a case in which the Supreme Court of the United States held that whether a regulatory act constitutes a taking requiring compensation depends on the extent of diminution in the value of the property. Excerpted from Pennsylvania Coal Co. v. Mahon on Wikipedia, the free encyclopedia.

Court Documents
Dissenting Opinion

United States Supreme Court

260 U.S. 393

Pennsylvania Coal Company  v.  Mahon

 Argued: Nov. 14, 1922. --- Decided: Dec 11, 1922

Messrs. John W. Davis, of New York City, and H. S. Drinker, Jr., of Philadelphia, Pa., for plaintiff in error.

[Argument of Counsel from pages 394-404 intentionally omitted]

Mr. W. L. Pace, of Pittston, Pa., for defendants in error.

Mr. Geo. Ross Hull, of Harrisburg, Pa., for State of Pennsylvania, as amicus curiae.

[Argument of Counsel from pages 404-412 intentionally omitted]

Mr. Justice HOLMES delivered the opinion of the Court.


This work is in the public domain in the United States because it is a work of the United States federal government (see 17 U.S.C. 105).