Supreme Court decisions of October Term 2009
The Court’s 2009 Term began in October 2009. These are the 93 decisions SCDB records for it, decided between October 20, 2009 and June 27, 2011, during the Roberts Court.
93decisions
75%favorable to the petitioner
46%unanimous
7altered precedent or struck a law
By issue area
Most majority opinions
Decided by one vote (17)
- Dennis Hollingsworth v. Kristin M. Perry
- Marcus A. Wellons v. Hilton Hall
- State of South Carolina v. State of North Carolina
- Citizens United v. Federal Election CommissionAltered precedentLaw held unconstitutional
- Shady Grove Orthopedic Associates, P. A. v. Allstate Insurance Company
- Sonny Perdue v. Kenny A.
- Ken L. Salazar v. Frank Buono
- John Robertson v. United States ex Rel. Wykenna Watson
- Mary Berghuis v. Van Chester Thompkins
- Brian Russell Dolan v. United States
- New Process Steel, L. P. v. National Labor Relations Board
- Rent-A-Center v. Antonio Jackson
- Billy Joe Magwood v. Tony Patterson
- Free Enterprise Fund and Beckstead and Watts v. Public Company Accounting Oversight BoardLaw held unconstitutional
- Christian Legal Society Chapter of the University of California v. Leo P. Martinez
- Otis McDonald v. City of ChicagoAltered precedentLaw held unconstitutional
- Demarcus Ali Sears v. Stephen Upton
All decisions, in order
- Joseph E. Corcoran v. Mark Levenhagen
- David Bobby v. Robert J. Van Hook
- Robert Wong v. Fernando Belmontes, Jr.
- George Porter, Jr. v. Bill McCollum
- Michigan v. Jeremy Fisher
- Mohawk Industries, Inc. v. Norman Carpenter
- Anita Alvarez v. Chermane Smith
- Union Pacific Railroad Company v. Brotherhood of Locomotive Engineers and Trainmen General Committee of Adjustment
- Jeffrey A. Beard v. Joseph J. Kindler
- Pottawattamie County v. Curtis W. McGhee, Jr.
- E. K. McDaniel v. Troy Brown
- Keith Smith v. Frank G. Spisak, Jr.
- Dennis Hollingsworth v. Kristin M. Perry
- NRG Power Marketing, LLC v. Maine Public Utilities Commission
- Marcus A. Wellons v. Hilton Hall
- Eric Presley v. Georgia
- Holly Wood v. Richard F. Allen
- State of South Carolina v. State of North Carolina
- Agron Kucana v. Eric H. Holder, Jr.
- Citizens United v. Federal Election CommissionAltered precedentLaw held unconstitutional
- Mark A. Briscoe and Sheldon A. Cypress v. Virginia
- Hemi Group, LLC and Kai Gachupin v. City of New York
- Rick Thaler v. Anthony Cardell Haynes
- Jamey L. Wilkins v. Officer Gaddy
- The Hertz Corporation v. Melinda Friend
- Florida v. Kevin Dewayne Powell
- Maryland v. Michael Blaine Shatzer, Sr.
- Jamal Kiyemba v. Barack H. Obama
- Mac's Shell Service, Inc. v. Shell Oil Products Co. LLC
- Reed Elsevier, Inc. v. Irvin Muchnick
- Curtis Darnell Johnson v. United States
- Milavetz v. United States
- Taylor James Bloate v. United States
- United Student Aid Funds, Inc. v. Francisco J. Espinosa
- Jerry N. Jones v. Harris Associates L. P.
- Mary Berghuis v. Diapolis Smith
- Graham County Soil and Water Conservation District v. United States ex Rel. Karen T. Wilson
- Shady Grove Orthopedic Associates, P. A. v. Allstate Insurance Company
- Jose Padilla v. Kentucky
- United States v. Robert J. StevensLaw held unconstitutional
- Karen L. Jerman v. Carlisle
- Sonny Perdue v. Kenny A.
- Sally L. Conkright v. Paul J. Frommert
- Stolt-Nielsen S. A. v. Animalfeeds International Corp.
- Merck & Co., Inc. v. Richard Reynolds
- Ken L. Salazar v. Frank Buono
- Esther Hui v. Yanira Castaneda
- Paul Renico v. Reginald Lett
- Timothy Mark Cameron Abbott v. Jacquelyn Vaye Abbott
- Terrance Jamar Graham v. FloridaLaw held unconstitutional
- United States v. Graydon Earl Comstock, Jr.
- Joe Harris Sullivan v. Florida
- American Needle, Inc. v. National Football League
- Arthur L. Lewis, Jr. v. City of Chicago
- United States v. Martin O'Brien and Arthur Burgess
- Bridget Hardt v. Reliance Standard Life Insurance Company
- United States v. Glenn Marcus
- John Robertson v. United States ex Rel. Wykenna Watson
- Lawrence Joseph Jefferson v. Stephen Upton
- Mohamed Ali Samantar v. Bashe Abdi Yousuf
- State of Alabama v. State of North Carolina.
- Mary Berghuis v. Van Chester Thompkins
- Richard A. Levin v. Commerce Energy, Inc.
- Thomas Carr v. United States
- Michael Gary Barber v. J. E. Thomas
- Jan Hamilton v. Stephanie Kay Lanning
- Wanda Krupski v. Costa Crociere S. P. A.
- Jose Angel Carachuri-Rosendo v. Eric H. Holder, Jr.
- Michael J. Astrue v. Catherine G. Ratliff
- Brian Russell Dolan v. United States
- Albert Holland v. Florida
- New Process Steel, L. P. v. National Labor Relations Board
- Stop the Beach Renourishment, Inc. v. Florida Department of Environmental Protection
- City of Ontario v. Jeff Quon
- William G. Schwab v. Nadejda Reilly
- Percy Dillon v. United States
- Eric H. Holder, Jr. v. Humanitarian Law Project
- Rent-A-Center v. Antonio Jackson
- Kawasaki Kisen Kaisha Ltd. v. Regal-Beloit Corp.
- Monsanto Company v. Geertson Seed Farms
- John Doe #1 v. Sam Reed
- Robert Morrison v. National Australia Bank Ltd.
- Granite Rock Company v. International Brotherhood of Teamsters
- Billy Joe Magwood v. Tony Patterson
- Jeffrey K. Skilling v. United States
- Conrad M. Black v. United States
- Weyhrauch v. United States
- Free Enterprise Fund and Beckstead and Watts v. Public Company Accounting Oversight BoardLaw held unconstitutional
- Bernard L. Bilski and Rand A. Warsaw v. David J. Kappos
- Christian Legal Society Chapter of the University of California v. Leo P. Martinez
- Otis McDonald v. City of ChicagoAltered precedentLaw held unconstitutional
- Demarcus Ali Sears v. Stephen Upton
- United States v. Juvenile Male
Source: Supreme Court Database, 2026 Release 01 (data file dated September 8, 2026). Imported into CaseTrail November 5, 2026. Coverage: decisions from the 1946 through 2025 Terms. Methodology · Report an error