Sandra Day O'Connor
| Case | Decision | Decision Date | Vote |
|---|---|---|---|
| Schaffer v. Weast | Wrote the majority opinion | Monday, November 14, 2005 | 6-2 |
| Ayotte v. Planned Parenthood of Northern New England | Wrote the majority opinion | Wednesday, January 18, 2006 | 9-0 |
| Lockhart v. United States | Wrote the majority opinion | Wednesday, December 7, 2005 | 9-0 |

