Justice Samuel A. Alito Jr.

Voting and opinion record for Samuel A. Alito Jr. in the Supreme Court Database, covering the 2005 through 2025 Terms.

Court eras served in this data: Roberts Court.

Majority opinions by issue area

“Same side” means both Justices were in the majority, or both in dissent, in decisions where both voted; pairs with fewer than 50 shared decisions are left out.

Majority opinions written (139)

• Wolford v. LopezLaw held unconstitutional
  146 S. Ct. 2032Decided June 25, 20266–3Samuel A. Alito Jr.
• Mullin v. Al Otro Lado
  146 S. Ct. 2079Decided June 25, 20266–3Samuel A. Alito Jr.
• Mullin v. Doe
  146 S. Ct. 2121Decided June 25, 20266–3Samuel A. Alito Jr.
• Pung v. Isabella County
  146 S. Ct. 1964Decided June 23, 20269–0Samuel A. Alito Jr.
• Louisiana v. CallaisLaw held unconstitutional
  146 S. Ct. 1131Decided April 29, 20266–3Samuel A. Alito Jr.
• Coney Island Auto Parts Unlimited, Inc. v. Burton
  607 U.S. 155Decided January 20, 20269–0Samuel A. Alito Jr.
• Mahmoud v. Taylor
  145 S. Ct. 2332Decided June 27, 20256–3Samuel A. Alito Jr.
• Riley v. Bondi
  145 S. Ct. 2190Decided June 26, 20255–4Samuel A. Alito Jr.
• Cc/devas (Mauritius) Limited v. Antrix Corp. Ltd.
  145 S. Ct. 1572Decided June 5, 20259–0Samuel A. Alito Jr.
• FDA v. Wages and White Lion Investments, LLC
  145 S. Ct. 898Decided April 2, 20259–0Samuel A. Alito Jr.
• City and County of San Francisco v. Environmental Protection Agency
  145 S. Ct. 704Decided March 4, 20255–4Samuel A. Alito Jr.
• Waetzig v. Halliburton Energy Services
  145 S. Ct. 690Decided February 26, 20259–0Samuel A. Alito Jr.
• Campos-Chaves v. Garland
  144 S. Ct. 1637Decided June 14, 20245–4Samuel A. Alito Jr.
• Thornell v. Jones
  144 S. Ct. 1302Decided May 30, 20246–3Samuel A. Alito Jr.
• Alexander v. South Carolina State Conference of the NAACP
  144 S. Ct. 1221Decided May 23, 20246–3Samuel A. Alito Jr.
• Brown v. United States
  144 S. Ct. 1195Decided May 23, 20246–3Samuel A. Alito Jr.
• Department of Education v. Brown
  600 U.S. 551Decided June 30, 20239–0Samuel A. Alito Jr.
• Abitron Austria GMBH v. Hetronic Int'l
  600 U.S. 412Decided June 29, 20239–0Samuel A. Alito Jr.
• Groff v. Dejoy
  600 U.S. 447Decided June 29, 20239–0Samuel A. Alito Jr.
• Smith v. United States
  599 U.S. 236Decided June 15, 20239–0Samuel A. Alito Jr.
• Sackett v. Environmental Protection Agency
  598 U.S. 651Decided May 25, 20239–0Samuel A. Alito Jr.
• Percoco v. United States
  598 U.S. 319Decided May 11, 20239–0Samuel A. Alito Jr.
• Dobbs v. Jackson Women’s Health OrganizationAltered precedent
  142 S. Ct. 2228Decided June 24, 20226–3Samuel A. Alito Jr.
• Vega v. Tekoh
  142 S. Ct. 2095Decided June 23, 20226–3Samuel A. Alito Jr.
• Viking River Cruises v. Moriana
  142 S. Ct. 1906Decided June 15, 20228–1Samuel A. Alito Jr.
• Garland v. Gonzalez
  142 S. Ct. 2057Decided June 13, 20226–3Samuel A. Alito Jr.
• Federal Bureau of Investigation v. Fazaga
  142 S. Ct. 1051Decided March 4, 20229–0Samuel A. Alito Jr.
• Cameron v. Emw Women’s Surgical Center, P.S.C.
  142 S. Ct. 1002Decided March 3, 20228–1Samuel A. Alito Jr.
• Brnovich v. Democratic National Committee
  141 S. Ct. 2321Decided July 1, 20216–3Samuel A. Alito Jr.
• Johnson v. Guzman Chavez
  141 S. Ct. 2271Decided June 29, 20216–3Samuel A. Alito Jr.
• Collins v. YellenLaw held unconstitutional
  141 S. Ct. 1761Decided June 23, 20217–2Samuel A. Alito Jr.
• City of San Antonio v. Hotels.com, L.P.
  141 S. Ct. 1628Decided May 27, 20219–0Samuel A. Alito Jr.
• City of Chicago v. Fulton
  141 S. Ct. 585Decided January 14, 20218–0Samuel A. Alito Jr.
• United States. v. Briggs
  141 S. Ct. 467Decided December 10, 20208–0Samuel A. Alito Jr.
• Our Lady of Guadalupe School v. Morrissey-Berru
  140 S. Ct. 2049Decided July 8, 20207–2Samuel A. Alito Jr.
• Department of Homeland Security v. Thuraissigiam
  140 S. Ct. 1959Decided June 25, 20207–2Samuel A. Alito Jr.
• Babb v. Wilkie
  140 S. Ct. 1168Decided April 6, 20208–1Samuel A. Alito Jr.
• Kansas v. Garcia
  140 S. Ct. 791Decided March 3, 20205–4Samuel A. Alito Jr.
• Intel Corp. Investment Policy Committee v. Sulyma
  140 S. Ct. 768Decided February 26, 20209–0Samuel A. Alito Jr.
• Hernandez v. Mesa
  140 S. Ct. 735Decided February 25, 20205–4Samuel A. Alito Jr.
• Mitchell v. Wisconsin
  139 S. Ct. 2525Decided June 27, 20195–4Samuel A. Alito Jr.
• Tennessee Wine & Spirits Retailers Association v. ThomasLaw held unconstitutional
  139 S. Ct. 2449Decided June 26, 20197–2Samuel A. Alito Jr.
• The Dutra Group v. Batterton
  139 S. Ct. 2275Decided June 24, 20196–3Samuel A. Alito Jr.
• American Legion v. American Humanist Association
  139 S. Ct. 2067Decided June 20, 20197–2Samuel A. Alito Jr.
• Gamble v. United States
  139 S. Ct. 1960Decided June 17, 20197–2Samuel A. Alito Jr.
• Republic of Sudan v. Harrison
  139 S. Ct. 1048Decided March 26, 20198–1Samuel A. Alito Jr.
• Nielsen v. Preap
  139 S. Ct. 954Decided March 19, 20195–4Samuel A. Alito Jr.
• Janus v. American Federation of StateAltered precedentLaw held unconstitutional
  138 S. Ct. 2448Decided June 27, 20185–4Samuel A. Alito Jr.
• Abbott v. Perez
  138 S. Ct. 2305Decided June 25, 20185–4Samuel A. Alito Jr.
• Husted v. A. Philip Randolph Institute
  138 S. Ct. 1833Decided June 11, 20185–4Samuel A. Alito Jr.
• Koons v. United States
  138 S. Ct. 1783Decided June 4, 20189–0Samuel A. Alito Jr.
• Murphy v. National Collegiate Athletic AssociationLaw held unconstitutional
  138 S. Ct. 1461Decided May 14, 20187–2Samuel A. Alito Jr.
• Ayestas v. Davis
  138 S. Ct. 1080Decided March 21, 20189–0Samuel A. Alito Jr.
• Jennings v. Rodriguez
  138 S. Ct. 830Decided February 27, 20185–3Samuel A. Alito Jr.
• Matal v. TamLaw held unconstitutional
  137 S. Ct. 1744Decided June 19, 20178–0Samuel A. Alito Jr.
• Bristol-Myers Squibb Co. v. Superior Court of Ca.
  137 S. Ct. 1773Decided June 19, 20178–1Samuel A. Alito Jr.
• Town of Chester v. Laroe Estates
  137 S. Ct. 1645Decided June 5, 20179–0Samuel A. Alito Jr.
• Cty. of Los Angeles v. Mendez
  137 S. Ct. 1539Decided May 30, 20178–0Samuel A. Alito Jr.
• Water Splash, Inc. v. Menon
  137 S. Ct. 1504Decided May 22, 20178–0Samuel A. Alito Jr.
• Sca Hygiene Prods. Aktiebolag v. First Quality Baby Prods., LLC
  137 S. Ct. 954Decided March 21, 20177–1Samuel A. Alito Jr.
• Salman v. United States
  137 S. Ct. 420Decided December 6, 20168–0Samuel A. Alito Jr.
• Birchfield v. North Dakota
  579 U.S. 438Decided June 23, 20167–1Samuel A. Alito Jr.
• Taylor v. United States
  579 U.S. 301Decided June 20, 20167–1Samuel A. Alito Jr.
• RJR Nabisco Inc. v. European Community
  579 U.S. 325Decided June 20, 20164–3Samuel A. Alito Jr.
• Spokeo, Inc. v. Robins
  578 U.S. 330Decided May 16, 20166–2Samuel A. Alito Jr.
• Ocasio v. United States
  578 U.S. 282Decided May 2, 20165–3Samuel A. Alito Jr.
• Nichols v. United States
  578 U.S. 104Decided April 4, 20168–0Samuel A. Alito Jr.
• Menominee Indian Tribe of Wisconsin v. United States
  577 U.S. 250Decided January 25, 20169–0Samuel A. Alito Jr.
• Glossip v. Gross
  576 U.S. 863Decided June 29, 20155–4Samuel A. Alito Jr.
• Ohio v. Clark
  576 U.S. 237Decided June 18, 20159–0Samuel A. Alito Jr.
• Davis v. Ayala
  576 U.S. 257Decided June 18, 20155–4Samuel A. Alito Jr.
• Kellogg Brown & Root Services, Inc. v. United States ex Rel. Carter
  575 U.S. 650Decided May 26, 20159–0Samuel A. Alito Jr.
• Comptroller of the Treasury v. WynneLaw held unconstitutional
  575 U.S. 542Decided May 18, 20155–4Samuel A. Alito Jr.
• City and County of San Francisco v. Sheehan
  575 U.S. 600Decided May 18, 20158–0Samuel A. Alito Jr.
• B&b Hardware, Inc. v. Hargis Indus., Inc.
  575 U.S. 138Decided March 24, 20157–2Samuel A. Alito Jr.
• Holt v. Hobbs
  574 U.S. 352Decided January 20, 20159–0Samuel A. Alito Jr.
• Burwell v. Hobby Lobby Stores
  573 U.S. 682Decided June 30, 20145–4Samuel A. Alito Jr.
• Harris v. QuinnLaw held unconstitutional
  573 U.S. 616Decided June 30, 20145–4Samuel A. Alito Jr.
• Limelight Networks, Inc. v. Akamai Technologies, Inc.
  572 U.S. 915Decided June 2, 20149–0Samuel A. Alito Jr.
• Plumhoff v. Rickard
  572 U.S. 765Decided May 27, 20149–0Samuel A. Alito Jr.
• Northwest, Inc. v. Ginsberg
  572 U.S. 273Decided April 2, 20149–0Samuel A. Alito Jr.
• Fernandez v. California
  571 U.S. 292Decided February 25, 20146–3Samuel A. Alito Jr.
• Atlantic Marine Constr. Co. v. United States Dist. Court for Western Dist. of Tex.
  571 U.S. 49Decided December 3, 20139–0Samuel A. Alito Jr.
• Burt v. Titlow
  571 U.S. 12Decided November 5, 20139–0Samuel A. Alito Jr.
• Koontz v. St. Johns River Water Mgmt. Dist.
  570 U.S. 595Decided June 25, 20135–4Samuel A. Alito Jr.
• Adoptive Couple v. Baby Girl
  570 U.S. 637Decided June 25, 20135–4Samuel A. Alito Jr.
• Mutual Pharmaceutical Company, Inc. v. Karen L. Bartlett
  570 U.S. 472Decided June 24, 20135–4Samuel A. Alito Jr.
• Maetta Vance v. Ball State University
  570 U.S. 421Decided June 24, 20135–4Samuel A. Alito Jr.
• Genovevo Salinas v. Texas
  570 U.S. 178Decided June 17, 20135–4Samuel A. Alito Jr.
• Mark J. McBurney v. Nathaniel L. Young
  569 U.S. 221Decided April 29, 20139–0Samuel A. Alito Jr.
• James R. Clapper, Jr. v. Amnesty International USA
  568 U.S. 398Decided February 26, 20135–4Samuel A. Alito Jr.
• Deborah K. Johnson v. Tara Sheneva Williams
  568 U.S. 289Decided February 20, 20139–0Samuel A. Alito Jr.
• Dianne Knox v. Service Employees International Union
  567 U.S. 298Decided June 21, 20127–2Samuel A. Alito Jr.
• Michael Shane Christopher v. Smithkline Beecham Corporation Dba Glaxosmithkline
  567 U.S. 142Decided June 18, 20125–4Samuel A. Alito Jr.
• Williams v. Illinois
  567 U.S. 50Decided June 18, 20125–4Samuel A. Alito Jr.
• Kouichi Taniguchi v. Kan Pacific Saipan, Ltd.
  566 U.S. 560Decided May 21, 20126–3Samuel A. Alito Jr.
• Charles A. Rehberg v. James P. Paulk
  566 U.S. 356Decided April 2, 20129–0Samuel A. Alito Jr.
• Federal Aviation Administration v. Stanmore Cawthon Cooper
  566 U.S. 284Decided March 28, 20125–3Samuel A. Alito Jr.
• Carol Howes v. Randall Lee Fields
  565 U.S. 499Decided February 21, 20126–3Samuel A. Alito Jr.
• Willie Gene Davis v. United States
  564 U.S. 229Decided June 16, 20117–2Samuel A. Alito Jr.
• United States v. Jicarilla Apache Nation
  564 U.S. 162Decided June 13, 20117–1Samuel A. Alito Jr.
• Global-Tech Appliances, Inc. v. Seb S.A.
  563 U.S. 754Decided May 31, 20118–1Samuel A. Alito Jr.
• Kentucky v. Hollis Deshaun King
  563 U.S. 452Decided May 16, 20118–1Samuel A. Alito Jr.
• Ashbel T. Wall v. Khalil Kholi
  562 U.S. 545Decided March 7, 20119–0Samuel A. Alito Jr.
• Doretha H. Henderson v. Eric K. Shineski
  562 U.S. 428Decided March 1, 20118–0Samuel A. Alito Jr.
• National Aeronautics and Space Administration v. Robert M. Nelson
  562 U.S. 134Decided January 19, 20118–0Samuel A. Alito Jr.
• Otis McDonald v. City of ChicagoAltered precedentLaw held unconstitutional
  561 U.S. 742Decided June 28, 20105–4Samuel A. Alito Jr.
• Monsanto Company v. Geertson Seed Farms
  561 U.S. 139Decided June 21, 20107–1Samuel A. Alito Jr.
• Jan Hamilton v. Stephanie Kay Lanning
  560 U.S. 505Decided June 7, 20108–1Samuel A. Alito Jr.
• Stolt-Nielsen S. A. v. Animalfeeds International Corp.
  559 U.S. 662Decided April 27, 20105–3Samuel A. Alito Jr.
• Sonny Perdue v. Kenny A.
  559 U.S. 542Decided April 21, 20105–4Samuel A. Alito Jr.
• Jerry N. Jones v. Harris Associates L. P.
  559 U.S. 335Decided March 30, 20109–0Samuel A. Alito Jr.
• Mac's Shell Service, Inc. v. Shell Oil Products Co. LLC
  559 U.S. 175Decided March 2, 20109–0Samuel A. Alito Jr.
• State of South Carolina v. State of North Carolina
  558 U.S. 256Decided January 20, 20105–4Samuel A. Alito Jr.
• Thomas C. Horne v. Miriam Flores
  557 U.S. 433Decided June 25, 20095–4Samuel A. Alito Jr.
• Edmund Boyle v. United States
  556 U.S. 938Decided June 8, 20097–2Samuel A. Alito Jr.
• Hawaii v. Office of Hawaiian Affairs
  556 U.S. 163Decided March 31, 20099–0Samuel A. Alito Jr.
• State of Kansas v. State of Colorado
  556 U.S. 98Decided March 9, 20099–0Samuel A. Alito Jr.
• Pleasant Grove City v. Summum
  555 U.S. 460Decided February 25, 20099–0Samuel A. Alito Jr.
• Cordell Pearson v. Afton CallahanAltered precedent
  555 U.S. 223Decided January 21, 20099–0Samuel A. Alito Jr.
• Lisa Fitzgerald v. Barnstable School Committee
  555 U.S. 246Decided January 21, 20099–0Samuel A. Alito Jr.
• Davis v. FECLaw held unconstitutional
  554 U.S. 724Decided June 26, 20085–4Samuel A. Alito Jr.
• Allison Engine Company, Inc. v. United States ex Rel. Roger L. Sanders and Roger L. Thacker
  553 U.S. 662Decided June 9, 20089–0Samuel A. Alito Jr.
• Richlin Security Service Company v. Michael Chertoff
  553 U.S. 571Decided June 2, 20089–0Samuel A. Alito Jr.
• Myrna Gomez-Perez v. John E. Potter
  553 U.S. 474Decided May 27, 20086–3Samuel A. Alito Jr.
• United States v. Gino Rodriquez
  553 U.S. 377Decided May 19, 20086–3Samuel A. Alito Jr.
• Meadwestvaco Corporation v. Illinois Department of Revenue
  553 U.S. 16Decided April 15, 20089–0Samuel A. Alito Jr.
• Allen Snyder v. Louisiana
  552 U.S. 472Decided March 19, 20087–2Samuel A. Alito Jr.
• Jay F. Hein v. Freedom From Religion Foundation, Inc.
  551 U.S. 587Decided June 25, 20075–4Samuel A. Alito Jr.
• National Association of Home Builders v. Defenders of Wildlife
  551 U.S. 644Decided June 25, 20075–4Samuel A. Alito Jr.
• Lilly M. Ledbetter v. the Goodyear Tire & Rubber Company, Inc.
  550 U.S. 618Decided May 29, 20075–4Samuel A. Alito Jr.
• Alphonso James, Jr. v. United States
  550 U.S. 192Decided April 18, 20075–4Samuel A. Alito Jr.
• Travelers Casualty & Surety Company of America v. Pacific Gas and Electric Company
  549 U.S. 443Decided March 20, 20079–0Samuel A. Alito Jr.
• Glen Whorton v. Marvin Howard Bockting
  549 U.S. 406Decided February 28, 20079–0Samuel A. Alito Jr.
• BP America Production Company v. Rejane Burton
  549 U.S. 84Decided December 11, 20067–0Samuel A. Alito Jr.
• Arlington Central School District Board of Education v. Pearl Murphy et Vir
  548 U.S. 291Decided June 26, 20066–3Samuel A. Alito Jr.
• Jeanne S. Woodford v. Viet Mike Ngo
  548 U.S. 81Decided June 22, 20066–3Samuel A. Alito Jr.
• Jacob Zedner v. United States
  547 U.S. 489Decided June 5, 20069–0Samuel A. Alito Jr.
• Bobby Lee Holmes v. South Carolina
  547 U.S. 319Decided May 1, 20069–0Samuel A. Alito Jr.

Dissents in argued cases (most recent 30 of 250)

• Trump v. Barbara
  146 S. Ct. 2438Decided June 30, 20266–3John G. Roberts Jr.
• Trump v. Cook
  146 S. Ct. 2234Decided June 29, 20265–4John G. Roberts Jr.
• Chatrie v. United States
  146 S. Ct. 2193Decided June 29, 20266–3Elena Kagan
• Watson v. Republican National Committee
  146 S. Ct. 2165Decided June 29, 20265–4Amy Coney Barrett
• Pitchford v. Cain
  146 S. Ct. 1345Decided May 28, 20265–4Brett M. Kavanaugh
• Hamm v. Smith
  146 S. Ct. 1251Decided May 21, 20265–4Per curiam
• Hencely v. Fluor Corporation
  608 U.S. 31Decided April 22, 20266–3Clarence Thomas
• Rico v. United States
  607 U.S. 609Decided March 25, 20268–1Neil M. Gorsuch
• Learning Resources v. Trump
  607 U.S. 229Decided February 20, 20266–3John G. Roberts Jr.
• Bowe v. United States
  607 U.S. 13Decided January 9, 20265–4Sonia Sotomayor
• Federal Communications Commission v. Consumers' Research
  145 S. Ct. 2482Decided June 27, 20256–3Elena Kagan
• Kennedy v. Braidwood Management
  145 S. Ct. 2427Decided June 27, 20256–3Brett M. Kavanaugh
• Hewitt v. United States
  145 S. Ct. 1113Decided June 26, 20255–4Ketanji Brown Jackson
• Gutierrez v. Saenz
  145 S. Ct. 2258Decided June 26, 20256–3Sonia Sotomayor
• Esteras v. United States
  145 S. Ct. 2031Decided June 20, 20257–2Amy Coney Barrett
• Perttu v. Richards
  145 S. Ct. 1793Decided June 18, 20255–4John G. Roberts Jr.
• Nuclear Regulatory Commission v. Texas
  145 S. Ct. 1762Decided June 18, 20256–3Brett M. Kavanaugh
• Feliciano v. Department of Transportation
  145 S. Ct. 1284Decided April 30, 20255–4Neil M. Gorsuch
• Velazquez v. Bondi
  145 S. Ct. 1232Decided April 22, 20255–4Neil M. Gorsuch
• Medical Marijuana, Inc. v. Horn
  145 S. Ct. 931Decided April 2, 20255–4Amy Coney Barrett
• Bondi v. Vanderstok
  145 S. Ct. 857Decided March 26, 20257–2Neil M. Gorsuch
• Glossip v. Oklahoma
  145 S. Ct. 612Decided February 25, 20256–2Sonia Sotomayor
• Williams v. Reed
  145 S. Ct. 456Decided February 21, 20255–4Brett M. Kavanaugh
• Moyle v. United States
  144 S. Ct. 2015Decided June 27, 20246–3Per curiam
• Murthy v. Missouri
  144 S. Ct. 1972Decided June 26, 20246–3Amy Coney Barrett
• Texas v. New Mexico and Colorado
  144 S. Ct. 1756Decided June 21, 20245–4Ketanji Brown Jackson
• Erlinger v. United States
  144 S. Ct. 1840Decided June 21, 20246–3Neil M. Gorsuch
• Chiaverini v. City of Napoleon
  144 S. Ct. 1745Decided June 20, 20246–3Elena Kagan
• Becerra v. San Carlos Apache Tribe
  144 S. Ct. 1428Decided June 6, 20245–4John G. Roberts Jr.
• Consumer Financial Protection Bureau v. Community Financial Services Association of America
  601 U.S. 416Decided May 16, 20247–2Clarence Thomas

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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