| American Trucking Assns., Inc. v. Michigan Pub. Serv. Comm'n | Wrote the majority opinion | Monday, June 20, 2005 | 9-0 |
| Brown v. Payton | Wrote a regular concurrence | Tuesday, March 22, 2005 | 5-3 |
| Brosseau v. Haugen | Wrote a regular concurrence | Monday, December 13, 2004 | 8-1 |
| Van Orden v. Perry | Wrote a special concurrence | Monday, June 27, 2005 | 5-4 |
| Florida v. Nixon | Wrote the majority opinion | Monday, December 13, 2004 | 8-0 |
| Graham County Water District v. United States | Wrote a dissent | Monday, June 20, 2005 | 7-2 |
| City of Rancho Palos Verdes v. Abrams | Wrote a regular concurrence | Tuesday, March 22, 2005 | 9-0 |
| National Cable and Telecomm. Assn v. Brand X Internet Services | Wrote a regular concurrence | Monday, June 27, 2005 | 6-3 |
| Bates v. Dow Agrosciences LLC | Wrote a regular concurrence | Wednesday, April 27, 2005 | 7-2 |
| Cherokee Nation of Oklahoma & Shoshone-Paiute Tribes of the Duck Valley Reservation v. Leavitt | Wrote the majority opinion | Tuesday, March 1, 2005 | 8-0 |
| Wilkinson v. Dotson | Wrote the majority opinion | Monday, March 7, 2005 | 8-1 |
| Miller-El v. Dretke | Wrote a regular concurrence | Monday, June 13, 2005 | 6-3 |
| Tory v. Cochran | Wrote the majority opinion | Tuesday, May 31, 2005 | 7-2 |
| Johnson v. California | Wrote a regular concurrence | Monday, June 13, 2005 | 8-1 |
| Gonzalez v. Crosby | Wrote a regular concurrence | Thursday, June 23, 2005 | 7-2 |
| United States v. Booker | Wrote the majority opinion | Wednesday, January 12, 2005 | 5-4 |
| MGM Studios v. Grokster | Wrote a regular concurrence | Monday, June 27, 2005 | 9-0 |
| Medellin v. Dretke | Wrote a dissent, joined O'Connor's dissent | Monday, May 23, 2005 | 5-4 |
| Dura Pharmaceuticals, Inc. v. Broudo | Wrote the majority opinion | Tuesday, April 19, 2005 | 9-0 |
| Deck v. Missouri | Wrote the majority opinion | Monday, May 23, 2005 | 7-2 |
| Kansas v. Colorado | Wrote the majority opinion | Tuesday, December 7, 2004 | 8-1 |
| Small v. United States | Wrote the majority opinion | Tuesday, April 26, 2005 | 5-3 |
| Mid-Con Freight Systems, Inc. v. Michigan Pub. Serv. Comm'n | Wrote the majority opinion | Monday, June 20, 2005 | 6-3 |
| Bell v. Thompson | Wrote a dissent | Monday, June 27, 2005 | 5-4 |
| Johanns v. Livestock Marketing Association | Wrote a regular concurrence | Monday, May 23, 2005 | 6-3 |