411 REFERENCE · Wikipedia
2012 term United States Supreme Court opinions of Clarence Thomas
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February 2026
September 2023
Clarence
Thomas
File:Clarence Thomas official SCOTUS portrait.jpg
2012
twenty-second
October 1, 2012
October 6, 2013
8
11
0
7
0
25
1
0
4
Scalia (11)
Sotomayor, Kagan (6)
https://www.supremecourt.gov/opinions/slipopinion/12
https://www.supremecourt.gov/opinions/relatingtoorders/12
https://www.supremecourt.gov/opinions/in-chambers/12
October 7, 2013
Clarence Thomas opinions
SCOTUSterm2010-2015
01
Ryan v. Valencia Gonzales
majority
568
57
60–77
2013
habeas corpus competence
Unanimous
Thomas's unanimous opinion for the Court held that a state prisoner petitioning for a federal writ of habeas corpus has no statutory right to suspend the proceedings when he is determined to be incompetent.
02
Chaidez v. United States
concurrence
568
342
358–59
2012
ineffective assistance of counsel retroactivity of new rules of criminal procedure
Kagan majority 2012 term United States Supreme Court opinions of Clarence Thomas#Chaidez v. United States
Sotomayor dissent 2012 term United States Supreme Court opinions of Sonia Sotomayor#Chaidez v. United States
03
Marx v. General Revenue Corp.
majority
568
371
373–88
2012
Fair Debt Collection Practices Act Federal Rules of Civil Procedure award of costs to prevailing plaintiff
Roberts, Scalia, Kennedy, Ginsburg, Breyer, Alito
Sotomayor dissent 2012 term United States Supreme Court opinions of Sonia Sotomayor#Marx v. General Revenue Corp.
04
Amgen Inc. v. Connecticut Retirement Plans and Trust Funds
dissent
568
455
486–502
2013
securities fraud Securities Exchange Act of 1934 §10(b) SEC Rule 10b-5 fraud-on-the-market theory materiality class certification
Kennedy; Scalia (in part)
Ginsburg majority 2012 term United States Supreme Court opinions of Ruth Bader Ginsburg#Amgen Inc. v. Connecticut Retirement Plans and Trust Funds
Alito concurrence 2012 term United States Supreme Court opinions of Samuel Alito#Amgen Inc. v. Connecticut Retirement Plans and Trust Funds
Scalia dissent 2012 term United States Supreme Court opinions of Antonin Scalia#Amgen Inc. v. Connecticut Retirement Plans and Trust Funds
05
Millbrook v. United States
majority
569
50
51–57
2013
Federal Tort Claims Act waiver of sovereign immunity for intentional torts by law enforcement
Unanimous
06
Genesis HealthCare Corp. v. Symczyk
majority
569
66
69–79
2013
Fair Labor Standards Act collective action offer of judgment mootness
Roberts, Scalia, Kennedy, Alito
Kagan dissent 2012 term United States Supreme Court opinions of Elena Kagan#Genesis HealthCare Corp. v. Symczyk
07
Missouri v. McNeely
dissent
569
141
176–83
2013
Fourth Amendment exigent circumstances drunk driving government-compelled blood alcohol test
Sotomayor majority 2012 term United States Supreme Court opinions of Sonia Sotomayor#Missouri v. McNeely
Kennedy concurrence 2012 term United States Supreme Court opinions of Anthony Kennedy#Missouri v. McNeely
Roberts concurrencedissent 2012 term United States Supreme Court opinions of John Roberts#Missouri v. McNeely
08
Moncrieffe v. Holder
dissent
569
184
207–10
2013
Immigration and Nationality Act ineligibility for discretionary relief due to aggravated felony
Sotomayor majority 2012 term United States Supreme Court opinions of Sonia Sotomayor#Moncrieffe v. Holder
Alito dissent 2012 term United States Supreme Court opinions of Samuel Alito#Moncrieffe v. Holder
09
McBurney v. Young
concurrence
569
221
237
2013
Virginia Freedom of Information Act Privileges and Immunities Clause Dormant Commerce Clause
Alito majority 2012 term United States Supreme Court opinions of Samuel Alito#McBurney v. Young
10
PPL Corp. v. Commissioner
majority
569
329
331–41
2013
UK Windfall Tax foreign tax credit
Unanimous
Sotomayor concurrence 2012 term United States Supreme Court opinions of Sonia Sotomayor#PPL Corp. v. Commissioner
11
Hillman v. Maretta
concurrence
569
483
499–502
2013
Federal Employees' Group Life Insurance Act designation of beneficiary federal preemption
Sotomayor majority 2012 term United States Supreme Court opinions of Sonia Sotomayor#Hillman v. Maretta
Alito concurrence 2012 term United States Supreme Court opinions of Samuel Alito#Hillman v. Maretta
12
Horne v. Department of Agriculture
majority
569
513
515–29
2013
Agricultural Marketing Agreement Act of 1937 Takings Clause
Unanimous
13
Peugh v. United States
dissent
569
530
551–63
2013
Federal Sentencing Guidelines Ex Post Facto Clause
Roberts, Scalia, Alito (in part)
Sotomayor majority 2012 term United States Supreme Court opinions of Sonia Sotomayor#Peugh v. United States
Alito dissent 2012 term United States Supreme Court opinions of Samuel Alito#Peugh v. United States
14
Association for Molecular Pathology v. Myriad Genetics, Inc.
majority
569
576
579–96
2013
patent law gene patents DNA extraction BRCA mutation
Roberts, Kennedy, Ginsburg, Breyer, Alito, Sotomayor, Kagan; Scalia (in part)
Scalia concurrence 2012 term United States Supreme Court opinions of Antonin Scalia#Association for Molecular Pathology v. Myriad Genetics, Inc.
15
American Trucking Assns., Inc. v. Los Angeles
concurrence
569
641
655–57
2013
Federal Aviation Administration Authorization Act of 1994
Kagan majority 2012 term United States Supreme Court opinions of Elena Kagan#American Trucking Assns., Inc. v. Los Angeles
16
Arizona v. Inter Tribal Council of Ariz., Inc.
dissent
570
1
22–38
2013
National Voter Registration Act of 1993 Elections Clause Arizona Proposition 200 (2004)
Scalia majority 2012 term United States Supreme Court opinions of Antonin Scalia#Arizona v. Inter Tribal Council of Ariz., Inc.
Kennedy concurrence 2012 term United States Supreme Court opinions of Anthony Kennedy#Arizona v. Inter Tribal Council of Ariz., Inc.
Alito dissent 2012 term United States Supreme Court opinions of Samuel Alito#Arizona v. Inter Tribal Council of Ariz., Inc.
17
Alleyne v. United States
majority
570
99
102–18
2013
Sixth Amendment right to a jury trial mandatory minimum sentencing judicial factfinding
Ginsburg, Sotomayor, Kagan; Breyer (in part)
Breyer concurrence 2012 term United States Supreme Court opinions of Stephen Breyer#Alleyne v. United States
Sotomayor concurrence 2012 term United States Supreme Court opinions of Sonia Sotomayor#Alleyne v. United States
Roberts dissent 2012 term United States Supreme Court opinions of John Roberts#Alleyne v. United States
Alito dissent 2012 term United States Supreme Court opinions of Samuel Alito#Alleyne v. United States
18
Salinas v. Texas
concurrence
570
178
191–93
2013
Fifth Amendment self-incrimination
Scalia
Alito majority 2012 term United States Supreme Court opinions of Samuel Alito#Salinas v. Texas
Breyer dissent 2012 term United States Supreme Court opinions of Stephen Breyer#Salinas v. Texas
19
American Express Co. v. Italian Colors Restaurant
concurrence
570
228
239
2013
Federal Arbitration Act Sherman Antitrust Act class action
Scalia majority 2012 term United States Supreme Court opinions of Antonin Scalia#American Express Co. v. Italian Colors Restaurant
Kagan dissent 2012 term United States Supreme Court opinions of Elena Kagan#American Express Co. v. Italian Colors Restaurant
20
Descamps v. United States
concurrence
570
254
279–81
2013
Armed Career Criminal Act
Kagan majority 2012 term United States Supreme Court opinions of Elena Kagan#Descamps v. United States
Kennedy concurrence 2012 term United States Supreme Court opinions of Anthony Kennedy#Descamps v. United States
Alito dissent 2012 term United States Supreme Court opinions of Samuel Alito#Descamps v. United States
21
Fisher v. University of Texas (2013)
Fisher v. University of Texas at Austin
concurrence
570
297
315–34
2013
affirmative action race as factor in college admissions Fourteenth Amendment Equal Protection Clause
Kennedy majority 2012 term United States Supreme Court opinions of Anthony Kennedy#Fisher v. University of Texas at Austin
Scalia concurrence 2012 term United States Supreme Court opinions of Antonin Scalia#Fisher v. University of Texas at Austin
Ginsburg dissent 2012 term United States Supreme Court opinions of Ruth Bader Ginsburg#Fisher v. University of Texas at Austin
22
United States v. Kebodeaux
dissent
570
387
407–20
2013
Sex Offender Registration and Notification Act Necessary and Proper Clause
Scalia (in part)
Breyer majority 2012 term United States Supreme Court opinions of Stephen Breyer#United States v. Kebodeaux
Roberts concurrence 2012 term United States Supreme Court opinions of John Roberts#United States v. Kebodeaux
Alito concurrence 2012 term United States Supreme Court opinions of Samuel Alito#United States v. Kebodeaux
Scalia dissent 2012 term United States Supreme Court opinions of Antonin Scalia#United States v. Kebodeaux
23
Vance v. Ball State Univ.
concurrence
570
421
450–51
2013
Title VII vicarious liability of supervisors
Alito majority 2012 term United States Supreme Court opinions of Samuel Alito#Vance v. Ball State Univ.
Ginsburg dissent 2012 term United States Supreme Court opinions of Ruth Bader Ginsburg#Vance v. Ball State Univ.
24
Shelby County v. Holder
concurrence
570
529
557–59
2013
Voting Rights Act of 1965 coverage formula preclearance Fifteenth Amendment
Roberts majority 2012 term United States Supreme Court opinions of John Roberts#Shelby County v. Holder
Ginsburg dissent 2012 term United States Supreme Court opinions of Ruth Bader Ginsburg#Shelby County v. Holder
25
Adoptive Couple v. Baby Girl
concurrence
570
637
656–66
2013
Indian Child Welfare Act termination of parental rights
Alito majority 2012 term United States Supreme Court opinions of Samuel Alito#Adoptive Couple v. Baby Girl
Breyer concurrence 2012 term United States Supreme Court opinions of Stephen Breyer#Adoptive Couple v. Baby Girl
Scalia dissent 2012 term United States Supreme Court opinions of Antonin Scalia#Adoptive Couple v. Baby Girl
Sotomayor dissent 2012 term United States Supreme Court opinions of Sonia Sotomayor#Adoptive Couple v. Baby Girl
26
Lanus v. United States
dissent
570
932
932–33
2013
Federal Tort Claims Act exclusion of lawsuits by military personnel
Thomas dissented from the Court's denial of certiorari, in a case asking the Court to revisit its decision in Feres v. United States, 340 U.S. 135 (1950) that the FTCA did not allow military personnel to sue the government for the negligence of federal employees. Thomas argued that Feres should be overturned because the text of the FTCA provided no basis for such an exception.