Law Commons^™

Understanding Mahon In Historical Context, William Michael Treanor

Georgetown Law Faculty Publications and Other Works

Despite its enormous influence on constitutional law, Pennsylvania Coal Co. v. Mahon is just such an opinion; the primary purpose of the author’s article Jam for Justice Holmes: Reassessing the Significance of Mahon is to clarify Holmes's intent by placing the opinion in historical context and in the context of Holmes's other opinions. While other scholars have also sought to place Mahon in context, his account differs in large part because of its recognition, as part of the background of Mahon, of a separate line of cases involving businesses affected with a public interest.

The author argues that at …

Jam For Justice Holmes: Reassessing The Significance Of Mahon, William Michael Treanor

Georgetown Law Faculty Publications and Other Works

When courts and commentators discuss Pennsylvania Coal Co. v. Mahon, they use the same word with remarkable regularity: famous. Mahon has achieved this fame in part because it was the occasion for conflict between judicial giants, and because the result seems ironic. Justice Oliver Wendell Holmes, Jr.--the great Lochner dissenter and a jurist generally considered a champion of judicial deference to legislatures in the sphere of economic decision-making--wrote the opinion striking down a Pennsylvania statute barring coal mining that could cause the surface to cave-in. Sharply dissenting from Holmes's opinion was his consistent ally on the Court, Justice Louis …