| Case | Decision | Decision Date | Vote |
|---|---|---|---|
| Douglas v. Independent Living Center of Southern California | Wrote the majority opinion | February 22, 2012 | 5-4 |
| Reynolds v. United States | Wrote the opinion of the Court. | January 23, 2012 | 7-2 |
| Florence v. Board of Chosen Freeholders of the County of Burlington | Wrote a dissent | April 2, 2012 | 5-4 |
| Zivotofsky v. Clinton | Wrote a dissent; joined part of Sotomayor's concurring opinion | March 26, 2012 | 8-1 |
| Setser v. United States | Wrote a dissenting opinion | March 28, 2012 | 6-3 |
| Hall v. United States | Wrote a dissenting opinion | May 14, 2012 | 5-4 |
| Mayo Collaborative Services v. Prometheus Laboratories, Inc. | Wrote the majority opinion | March 20, 2012 | 9-0 |
| Messerschmidt v. Millender | Voted with the majority, wrote a separate concurrence | February 22, 2012 | 6-3 |
| United States v. Home Concrete & Supply | Wrote the judgment of the Court | April 25, 2012 | 5-4 |
| Mohamad v. Palestinian Authority | Voted with the majority; wrote a regular concurrence | April 18, 2012 | 9-0 |