Ex parte Hennen

1839 United States Supreme Court case

Ex parte Hennen
Supreme Court of the United States
Decided January 26, 1839
Full case name	Ex parte Duncan N. Hennen
Citations	38 U.S. 225 (more)
Holding
The power of removal is incidental to the power of appointment under the Appointments Clause. All officers of the United States may be removed at the will of the appointing authority unless otherwise provided by law.
Court membership
Chief Justice Roger B. Taney Associate Justices Joseph Story · Smith Thompson John McLean · Henry Baldwin James M. Wayne · Philip P. Barbour John Catron · John McKinley
Case opinion
Majority	Thompson, joined by unanimous
Laws applied
U.S. Const. art. II, § 2, cl. 2

Ex Parte Hennen, 38 U.S. 225 (1839), was a decision of the United States Supreme Court concerning the removal power under the Appointments Clause.

References

External links

Text of Ex Parte Hennen, 38 U.S. 225 (1839) is available from: Cornell Google Scholar Justia

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Ex parte Hennen

United States Appointments Clause case law

Appointment of Officers

Marbury v. Madison (1803)
United States v. Le Baron (1856)
Mimmack v. United States (1878)
United States v. Corson (1885)
United States v. Eaton (1898)
Quackenbush v. United States (1900)
United States v. Smith (1932)
NLRB v. SW General, Inc. (2017)
Ortiz v. United States (2018)
FOMBPR v. Aurelius Investment, LLC (2020)

Officers vs. Employees	United States v. Hartwell (1867) United States v. Mouat (1888) United States v. Smith (1888) Auffmordt v. Hedden (1890) Burnap v. United States (1920)
Inferior Officers	United States v. Germaine (1878) Ex parte Siebold (1879) Freytag v. Commissioner (1991) Edmond v. United States (1997) Lucia v. SEC (2018) United States v. Arthrex, Inc. (2021)
Recess Appointments	NLRB v. Noel Canning (2014)
Challenges to Appointments	Ryder v. United States (1995) Carr v. Saul (2021)
Appointments by Congress	Shoemaker v. United States (1893) Springer v. Government of the Philippine Islands (1928) Buckley v. Valeo (1976) MWAA v. CAAN (1991) Weiss v. United States (1994)

Removal of Officers

Ex parte Hennen (1839)
Blake v. United States (1880)
Crenshaw v. United States (1890)
McAllister v. United States (1891)
Keim v. United States (1900)
Reagan v. United States (1901)
Shurtleff v. United States (1903)

Limits on Removal Power	United States v. Perkins (1886) Parsons v. United States (1897) Myers v. United States (1926) Humphrey's Executor v. United States (1936) Wiener v. United States (1958) Morrison v. Olson (1988) Free Enterprise Fund v. PCAOB (2010) Selia Law v. CFPB (2020) Collins v. Yellen (2021)
Removal by Congress	Bowsher v. Synar (1986)

Jurisdiction stripping
Thunder Basin Coal Co. v. Reich (1994) Free Enterprise Fund v. PCAOB (2010) Elgin v. Department of Treasury (2012) Axon Enterprise, Inc. v. Federal Trade Commission (2023)