Law Commons^™

The Original Understanding Of The Takings Clause And The Political Process, William Michael Treanor

Georgetown Law Faculty Publications and Other Works

The original understanding of the Takings Clause of the Fifth Amendment was clear on two points. The clause required compensation when the federal government physically took private property, but not when government regulations limited the ways in which property could be used. In 1922, however, the Supreme Court's decision in Pennsylvania Coal v. Mahon established a new takings regime. In an opinion by Justice Holmes, the Court held that compensation must be provided when government regulation "goes too far" in diminishing the value of private property. Since that decision, the Supreme Court has been unable to define clearly what kind …