Ex parte Quirin

Ex parte Quirin
Supreme Court of the United States
Argued July 29–30, 1942 Decided July 31, 1942
Full case name	Ex parte Richard Quirin; Ex parte Herbert Hans Haupt; Ex parte Edward John Kerling; Ex parte Ernest Peter Burger; Ex parte Heinrich Harm Heinck; Ex parte Werner Thiel; Ex parte Hermann Otto Neubauer; United States ex rel. Quirin v. Cox, Brig. Gen., U.S.A., Provost Marshal of the Military District of Washington, and 6 other cases.
Citations	317 U.S. 1 (more) 63 S. Ct. 2; 87 L. Ed. 3; 1942 U.S. LEXIS 1119
Case history
Prior	Motion for leave to file petition for writs of habeas corpus denied, 47 F. Supp. 431 (D.D.C. 1942)
Holding
Jurisdiction of a United States military tribunal over the trial of several German saboteurs in the United States was constitutional.
Court membership
Chief Justice Harlan F. Stone Associate Justices Owen Roberts · Hugo Black Stanley F. Reed · Felix Frankfurter William O. Douglas · Frank Murphy James F. Byrnes · Robert H. Jackson
Case opinion
Per curiam
Majority	Stone
Murphy took no part in the consideration or decision of the case.
Laws applied
U.S. Const.

Ex parte Quirin, 317 U.S. 1 (1942), was a case of the United States Supreme Court that during World War II upheld the jurisdiction of a United States military tribunal over the trial of eight German saboteurs, in the United States.^[1] Quirin has been cited as a precedent for the trial by military commission of unlawful combatants.

It was argued July 29 and 30, and decided July 31, with an extended opinion filed October 29, 1942.