2003 term United States Supreme Court opinions of Sandra Day O'Connor

The table below lists all opinions filed by Associate Justice Sandra Day O'Connor during the 2003 term of the Supreme Court of the United States, which lasted from October 6, 2003 until October 3, 2004. This was the twenty-third term of O'Connor's tenure on the Court.
Sandra Day O'Connor 2003 term statistics 8 Majority or Plurality 4 Concurrence 0 Other 2 Dissent 0 Concurrence/dissent Total = 14 Bench opinions = 14 Opinions relating to orders = 0 In-chambers opinions = 0 Unanimous decisions: 3 Most joined by: Breyer (9) Least joined by: Stevens, Scalia, Souter, Thomas (6)

Type	Case	Citation	Issues	Joined by	Other opinions
1-01	McConnell v. Federal Election Commission	01540 U.S. 93 (2003)		Stevens, Souter, Ginsburg, Breyer
O'Connor co-authored with Stevens one of three opinions for the Court.
1-02	SEC v. Edwards	02540 U.S. 519 (2004)		Unanimous
1-03	Fellers v. United States	03540 U.S. 519 (2004)		Unanimous
1-04	S. Fla. Water Mgmt. Dist. v. Miccosukee Tribe of Indians	04541 U.S. 95 (2004)		Rehnquist, Stevens, Kennedy, Souter, Thomas, Ginsburg, Breyer; Scalia (in part)
1-05	Dretke v. Haley	05541 U.S. 386 (2004)		Rehnquist, Scalia, Thomas, Ginsburg, Breyer
2-06	Thornton v. United States	06541 U.S. 615 (2004)
1-07	Nelson v. Campbell	07541 U.S. 637 (2004)		Unanimous
2-08	Yarborough v. Alvarado	08541 U.S. 652 (2004)
2-09	Elk Grove Unified Sch. Dist. v. Newdow	09542 U.S. 1 (2004)	First Amendment  • Establishment Clause  • Article Three  • standing
2-10	Pliler v. Ford	10542 U.S. 225 (2004)
1-11	Tennard v. Dretke	11542 U.S. 274 (2004)		Stevens, Kennedy, Souter, Ginsburg, Breyer
4-12	Blakely v. Washington	12542 U.S. 296 (2004)		Breyer; Rehnquist, Kennedy (in part)
1-13	Hamdi v. Rumsfeld	13542 U.S. 507 (2004)		Rehnquist, Kennedy, Breyer
4-14	Missouri v. Seibert	14542 U.S. 600 (2004)		Rehnquist, Scalia, Thomas