A Massachusetts law that criminalizes the use of contraception by unmarried couples violates the right to privacy established in Griswold as well as the Equal Protection Clause of the Fourteenth Amendment. Decided March 22, 1972 (argued 1971). Opinion of the Court: William J. Brennan → go there Dissenting: Burger. Applied: the Ninth Amendment → go there Applied: the Fourteenth Amendment → go there Topic: Birth control and abortion. Eisenstadt v. Baird, 405 U.S. 438 (1972), is a landmark decision of the U.S. Supreme Court that established the right of unmarried people to possess contraception on the same basis as married couples. Wiki link