| Friends of the Earth v. Laidlaw Environmental Services | Wrote the majority opinion | Wednesday, January 12, 2000 | 7-2 |
| Vermont Agency of Natural Resources v. United States ex rel. Stevens | Wrote a special concurrence | Monday, May 22, 2000 | 9-0 |
| Portuondo v. Agard | Wrote a dissent | Monday, March 6, 2000 | 7-2 |
| United States v. Martinez-Salazar | Wrote the majority opinion | Wednesday, January 19, 2000 | 9-0 |
| Carter v. United States | Wrote a dissent | Monday, June 12, 2000 | 5-4 |
| Florida v. J. L. | Wrote the majority opinion | Tuesday, March 28, 2000 | 9-0 |
| Weisgram v. Marley | Wrote the majority opinion | Tuesday, February 22, 2000 | 9-0 |
| Reeves v. Sanderson Plumbing Products | Wrote a regular concurrence | Monday, June 12, 2000 | 9-0 |
| Los Angeles Police Dept. v. United Reporting Publishing Corp | Wrote a regular concurrence | Tuesday, December 7, 1999 | 7-2 |
| Nelson v. Adams USA, Inc. | Wrote the majority opinion | Tuesday, April 25, 2000 | 9-0 |
| Jones v. United States | Wrote the majority opinion | Monday, May 22, 2000 | 9-0 |
| Rice v. Cayetano | Wrote a dissent, joined Stevens' dissent | Wednesday, February 23, 2000 | 7-2 |
| Arizona v. California | Wrote the majority opinion | Monday, June 19, 2000 | 6-3 |
| Drye v. United States | Wrote the majority opinion | Tuesday, December 7, 1999 | 9-0 |
| Roe v. Flores-Ortega | Wrote a dissent, joined Souter's dissent | Wednesday, February 23, 2000 | 6-3 |
| Norfolk Southern R. Co. v. Shanklin | Wrote a dissent | Monday, April 17, 2000 | 7-2 |
| Carmell v. Texas | Wrote a dissent | Monday, May 1, 2000 | 5-4 |
| Stenberg v. Carhart | Wrote a regular concurrence, joined Stevens' concurrence | Wednesday, June 28, 2000 | 5-4 |
