supremacy clause
| Case | Docket Number | Date Argued | Date Decided | Appealed From | Outcome | Vote | Authoring Justice | Topics |
|---|---|---|---|---|---|---|---|---|
| Erie, PA, et al. v. Pap's A.M., et al. (03/29/2000) | 98-1161 | 11/10/1999 | 03/29/2000 | Pennsylvania Supreme Court (719 A.2d 273) | Reversed | 6-3 | Sandra Day O'Connor | |
| Pharmaceutical Research & Manufacturers of America v. Walsh, Peter Acting Comm., Maine Dept. of Human Services, et (05/19/2003) | 01-188 | 01/22/2003 | 05/19/2003 | 1st Circuit Court of Appeals (249 F.3d 66) | Vacated | 6-3 | John Paul Stevens | |
| Haywood v. Drown | 07-10374 | 12/03/2008 | 05/26/2009 | New York Court of Appeals | 5-4 | John Paul Stevens |
