| MeadWestvaco Corp. v. Illinois Department of Revenue | Wrote the majority opinion | April 15, 2008 | 9-0 |
| Kimbrough v. United States | Wrote a dissent | December 10, 2007 | 7-2 |
| United States v. Rodriquez | Wrote the majority opinion | May 19, 2008 | 6-3 |
| Rothgery v. Gillespie County TX | Wrote a regular concurrence | June 23, 2008 | 8-1 |
| Richlin Security Service v. Chertoff | Wrote the majority opinion | June 2, 2008 | 9-0 |
| Kennedy v. Louisiana | Wrote a dissent | June 25, 2008 | 5-4 |
| Cuellar v. United States | Wrote a regular concurrence | June 2, 2008 | 9-0 |
| Snyder v. Louisiana | Wrote the majority opinion | March 19, 2008 | 7-2 |
| United States v. Santos and Diaz | Wrote a dissent | June 2, 2008 | 5-4 |
| Allison Engine Co. v. Sanders | Wrote the majority opinion | June 9, 2008 | 9-0 |
| Gomez-Perez v. Potter | Wrote the majority opinion | May 27, 2008 | 6-3 |
| Gall v. United States | Wrote a dissent | December 10, 2007 | 7-2 |
| Department of Revenue of Kentucky v. Davis | Wrote a dissent | May 19, 2008 | 7-2 |
| Baze and Bowling v. Rees | Wrote a regular concurrence | April 14, 2008 | 7-2 |
| Dada v. Mukasey | Wrote a dissent | June 16, 2008 | 5-4 |
| Davis v. Federal Election Commission | Wrote the majority opinion | June 26, 2008 | 5-4 |
| Giles v. California | Wrote a regular concurrence | June 25, 2008 | 6-3 |
| Greenlaw v. United States | Wrote a dissent | June 23, 2008 | 6-3 |
| United States v. Gonzalez-Lopez | Wrote a dissent | June 26, 2006 | 5-4 |
| Zedner v. United States | Wrote the majority opinion | June 5, 2006 | 9-0 |
| Holmes v. South Carolina | Wrote the majority opinion | May 1, 2006 | 9-0 |
| Dixon v. United States | Wrote a regular concurrence | June 22, 2006 | 7-2 |
| Woodford v. Ngo | Wrote the majority opinion | June 22, 2006 | 6-3 |
| Burlington Northern Santa Fe Railway Co. v. White | Wrote a special concurrence | June 22, 2006 | 9-0 |
| Arlington Central School District Board of Education v. Murphy | Wrote the majority opinion | June 26, 2006 | 6-3 |
| Hamdan v. Rumsfeld | Wrote a dissent, joined Scalia's dissent, joined Thomas' dissent | June 29, 2006 | 5-3 |
| Randall v. Sorrell | Wrote a special concurrence | June 26, 2006 | 6-3 |
| Hein v. Freedom From Religion Foundation | Wrote the judgment of the Court | June 25, 2007 | 5-4 |
| Travelers Casualty v. Pacific Gas and Electric Co. | Wrote the majority opinion | March 20, 2007 | 9-0 |
| Smith v. Texas | Wrote a dissent | April 25, 2007 | 5-4 |
| National Association of Home Builders, et al. v. Defenders of Wildlife | Wrote the majority opinion | June 25, 2007 | 5-4 |
| Federal Election Commission v. Wisconsin Right to Life | Wrote a regular concurrence | June 25, 2007 | 5-4 |
| Ledbetter v. Goodyear Tire and Rubber Company | Wrote the majority opinion | May 29, 2007 | 5-4 |
| BP America Production Company v. Burton | Wrote the majority opinion | December 11, 2006 | 7-0 |
| Morse v. Frederick | Wrote a regular concurrence | June 25, 2007 | 5-4 |
| Tellabs Inc. v. Makor Issues & Rights | Wrote a special concurrence | June 21, 2007 | 8-1 |
| United Haulers Association v. Oneida-Herkimer Solid Waste Management ... | Wrote a dissent | April 30, 2007 | 6-3 |
| James v. United States | Wrote the majority opinion | April 18, 2007 | 5-4 |
| Cunningham v. California | Wrote a dissent | January 22, 2007 | 6-3 |
| Microsoft Corporation v. AT&T Corp. | Wrote a regular concurrence | April 30, 2007 | 7-1 |
| Marrama v. Citizens Bank of Massachusetts | Wrote a dissent | February 21, 2007 | 5-4 |
| Whorton v. Bockting | Wrote the majority opinion | February 28, 2007 | 9-0 |
| Chambers v. United States | Wrote a concurring opinion | January 13, 2009 | 9-0 |
| Kucana v. Holder | Wrote a special concurrence | January 20, 2010 | 9-0 |
| South Carolina v. North Carolina | Wrote the majority opinion | January 20, 2010 | 5-4 |
| Ricci v. DeStefano | Wrote a regular concurrence | June 29, 2009 | 5-4 |
| Salazar v. Buono | Wrote a special concurrence | April 28, 2010 | 5-4 |
| Graham v. Florida | Voted with the minority, joined part of Thomas's dissent, wrote a separate dissent | May 17, 2010 | 6-3 |
| United States v. Comstock | Wrote a special concurrence | May 17, 2010 | 7-2 |
| Stolt-Nielsen v. Animalfeeds International Corp. | Wrote the majority opinion | April 27, 2010 | 5-3 |
| Carr v. United States | Wrote a dissent | June 1, 2010 | 6-3 |
| Samantar v. Yousuf | Wrote a regular concurrence | June 1, 2010 | 9-0 |
| Levin v. Commerce Energy, Inc. | Wrote a special concurrence | June 1, 2010 | 9-0 |
| Hamilton v. Lanning | Wrote the majority opinion | June 7, 2010 | 8-1 |
| Monsanto Co. v. Geertson Seed Farms | Wrote the majority opinion | June 21, 2010 | 7-1 |
| Padilla v. Kentucky | Voted with the majority, wrote a special concurrence | March 31, 2010 | 7-2 |
| Bloate v. United States | Wrote a dissent | March 8, 2010 | 7-2 |
| Johnson v. United States | Wrote a dissent | March 2, 2010 | 7-2 |
| Mac's Shell Service v. Shell Oil Products Co. | Wrote the majority opinion | March 2, 2010 | 9-0 |
| McDonald v. Chicago | Announced the judgment, wrote an opinion | June 28, 2010 | 5-4 |
| Christian Legal Society Chapter v. Martinez | Wrote a dissent | June 28, 2010 | 5-4 |
| Locke v. Karass | Wrote concurring opinion | January 21, 2009 | 9-0 |
| Hawaii v. Office of Hawaiian Affairs | Wrote the majority opinion | March 31, 2009 | 9-0 |
| Wyeth v. Levine | Wrote a dissent | March 4, 2009 | 6-3 |
| Crawford v. Nashville and Davidson County, TN | Wrote a concurring opinion | January 26, 2009 | 9-0 |
| Kansas v. Colorado | Wrote the majority opinion | March 9, 2009 | 9-0 |
| Boyle v. United States | Wrote the majority opinion | June 8, 2009 | 7-2 |
| Montejo v. Louisiana | Wrote a concurring opinion | May 26, 2009 | 5-4 |
| Pearson, et al. v. Callahan | Wrote the majority opinion | January 21, 2009 | 9-0 |
| Cone v. Bell | Wrote an opinion concurring in part dissenting in part | April 28, 2009 | 7-2 |
| Arizona v. Gant | Wrote a dissent | April 21, 2009 | 5-4 |
| Flores-Figueroa v. United States | Wrote an opinion concurring in part | May 4, 2009 | 9-0 |
| Corley v. United States | Wrote a dissent | April 6, 2009 | 5-4 |
| Atlantic Sounding Co., Inc. v. Townsend | Wrote a dissent | June 25, 2009 | 5-4 |
| District Attorney's Office for the Third Judicial District v. Osborne | Wrote a concurring opinion | June 18, 2009 | 5-4 |
| Horne v. Flores | Wrote the majority opinion | June 25, 2009 | 5-4 |