Primary elections
| Case | Docket Number | Date Argued | Date Decided | Appealed From | Outcome | Vote | Authoring Justice | Topics |
|---|---|---|---|---|---|---|---|---|
| Clingman, Michael (Secy, Oklahoma State Election Board) v. Beaver, Andrea, et al. (05/23/2005) | 04-37 | 01/19/2005 | 05/23/2005 | 10th Circuit Court of Appeals (April 6, 2004) | Reversed | 6-3 | Clarence Thomas | |
| Washington State Grange & Washington v. Washington State Republican Party | 06-713,06-730,06-713 06-730 | 10/01/2007 | 03/18/2008 | United States Court of Appeals for the Ninth Circuit | 7-2 | Clarence Thomas |
