| Jinks v. Richland County | Wrote the majority opinion | Tuesday, April 22, 2003 | 9-0 |
| Pharmaceutical Research v. Walsh | Wrote a special concurrence | Monday, May 19, 2003 | 6-3 |
| Connecticut Dept. of Public Safety v. Doe | Wrote a regular concurrence | Wednesday, March 5, 2003 | 9-0 |
| Branch v. Smith | Wrote the majority opinion | Monday, March 31, 2003 | 7-2 |
| Chavez v. Martinez | Wrote a special concurrence | Tuesday, May 27, 2003 | 6-3 |
| Dastar Corp. v. Twentieth Century Fox Film Corp. | Wrote the majority opinion | Monday, June 2, 2003 | 8-0 |
| Lawrence and Garner v. Texas | Wrote a dissent | Thursday, June 26, 2003 | 6-3 |
| City of Cuyahoga Falls v. Buckeye Community Hope | Wrote a regular concurrence | Tuesday, March 25, 2003 | 9-0 |
| Madigan v. Telemarketing Associates | Wrote a regular concurrence | Monday, May 5, 2003 | 9-0 |
| Sattazahn v. Pennsylvania | Wrote the majority opinion | Tuesday, January 14, 2003 | 5-4 |
| FCC v. Nextwave Communications, Inc. | Wrote the majority opinion | Monday, January 27, 2003 | 8-1 |
| PacifiCare Health System v. Book | Wrote the majority opinion | Monday, April 7, 2003 | 8-0 |
| State Farm Mutual Auto Ins. Co. v. Campbell | Wrote a dissent | Monday, April 7, 2003 | 6-3 |
| Brown v. Legal Foundation of Washington | Wrote a dissent | Wednesday, March 26, 2003 | 5-4 |
| Ewing v. California | Wrote a special concurrence | Wednesday, March 5, 2003 | 5-4 |
| Wiggins v. Smith | Wrote a dissent | Thursday, June 26, 2003 | 7-2 |
| Beneficial National Bank v. Anderson | Wrote a dissent | Monday, June 2, 2003 | 7-2 |
| Miller-El v. Cockrell | Wrote a regular concurrence | Tuesday, February 25, 2003 | 8-1 |
| Virginia v. Black | Wrote a dissent | Monday, April 7, 2003 | 7-2 |
| Kentucky Assoc. of Health Plans, Inc. v. Miller | Wrote the majority opinion | Wednesday, April 2, 2003 | 9-0 |
| Virginia v. Hicks | Wrote the majority opinion | Monday, June 16, 2003 | 9-0 |
| Nevada Dept. of Human Resources v. Hibbs | Wrote a dissent, joined Kennedy's dissent | Tuesday, May 27, 2003 | 6-3 |
| Sell v. United States | Wrote a dissent | Monday, June 16, 2003 | 6-3 |
| Grutter v. Bollinger | Wrote a dissent, joined Thomas' dissent, joined Rehnquist's dissent | Monday, June 23, 2003 | 5-4 |
| Barnhart v. Peabody Coal Co. | Wrote a dissent | Wednesday, January 15, 2003 | 6-3 |