Section 3 of the Defense of Marriage Act (), which defines—for federal law purposes—the terms "marriage" and "spouse" to apply only to marriages between one man and one woman, is a deprivation of the equal liberty of the person protected by the Due Process Clause of the Fifth Amendment. The federal government must recognize same-sex marriages that have been approved by the states. The legal provision of the Defense of Marriage Act which was the issue in this case was eventually repealed by section 3 of the Respect for Marriage Act and replaced by section 5 of the Respect for Marriage Act (). Decided June 26, 2013 (argued March 27, 2012). Opinion of the Court: Anthony Kennedy → go there Dissenting: Roberts, Scalia, Alito. Applied: the Fifth Amendment → go there Topic: Discrimination based on sexual orientation or gender identity. United States v. Windsor, 570 U.S. 744 (2013), is a landmark United States Supreme Court civil rights case concerning same-sex marriage. The Court held that Section 3 of the Defense of Marriage Act (DOMA), which denied federal recognition of same-sex marriages, was a violation of the Due Process Clause of the Fifth Amendment to the United States Constitution. Wiki link