| Type | Case | Citation | Issues | Joined by | Other opinions |
401 | Virginia v. Maryland | 540 U.S. 56 (2003)
| | Stevens | |
| |
302 | McConnell v. Federal Election Commission | 540 U.S. 93 (2003)
| Campaign finance reform • U.S. Const. amend. I • McCain-Feingold Act | Rehnquist; Scalia, Thomas (in part) | |
| |
103 | Frew v. Hawkins | 540 U.S. 431 (2004)
| | Unanimous | |
| |
404 | Alaska Dep't of Envtl. Conservation v. EPA | 540 U.S. 461 (2004)
| | Rehnquist, Scalia, Thomas | |
| |
105 | Lamie v. United States Trustee | 540 U.S. 526 (2004)
| | Rehnquist, O'Connor, Souter, Thomas, Ginsburg, Breyer; Scalia (in part) | |
| |
406 | Groh v. Ramirez | 540 U.S. 551 (2004)
| | Rehnquist | |
| |
107 | United States Postal Serv. v. Flamingo Indus. (USA) Ltd. | 540 U.S. 736 (2004)
| | Unanimous | |
| |
108 | Nat'l Archives & Records Admin. v. Favish | 541 U.S. 157 (2004)
| | Unanimous | |
| |
209 | United States v. Lara | 541 U.S. 193 (2004)
| | | |
| |
210 | Vieth v. Jubelirer | 541 U.S. 267 (2004)
| | | |
| |
411 | Dretke v. Haley | 541 U.S. 386 (2004)
| | | |
| |
212 | Sabri v. United States | 541 U.S. 600 (2004)
| | Scalia | |
| |
113 | Yarborough v. Alvarado | 541 U.S. 652 (2004)
| | Rehnquist, O'Connor, Scalia, Thomas | |
| |
414 | Republic of Austria v. Altmann | 541 U.S. 677 (2004)
| Foreign Sovereign Immunities Act | Rehnquist, Thomas | |
| |
415 | Hibbs v. Winn | 542 U.S. 88 (2004)
| | Rehnquist, Scalia, Thomas | |
| |
116 | Hiibel v. Sixth Judicial District Court of Nevada | 542 U.S. 177 (2004)
| | Rehnquist, O'Connor, Scalia, Thomas | |
| |
417 | Blakely v. Washington | 542 U.S. 296 (2004)
| right to jury trial | Breyer | |
| |
118 | Cheney v. United States District Court | 542 U.S. 367 (2004)
| | Rehnquist, Stevens, O'Connor, Breyer; Scalia, Thomas (in part) | |
| |
219 | Rumsfeld v. Padilla | 542 U.S. 426 (2004)
| | O'Connor | |
| |
220 | Rasul v. Bush | 542 U.S. 466 (2004)
| | | |
| |
221 | Missouri v. Seibert | 542 U.S. 600 (2004)
| | | |
| |
222 | United States v. Patane | 542 U.S. 630 (2004)
| | O'Connor | |
| |
123 | Ashcroft v. American Civil Liberties Union | 542 U.S. 656 (2004)
| | Stevens, Souter, Thomas, Ginsburg | |
| |