Siegel's writing draws on legal history to explore questions of law and inequality, and to analyze how courts interact with representative government and popular movements in interpreting the Constitution.
She is currently writing on the role of social movement conflict in guiding constitutional change, addressing this question in recent articles on reproductive rights, originalism and the Second Amendment, the "de facto ERA," and the enforcement of Brown.
[4] One of her most notable works is "She the People: The Nineteenth Amendment, Sex Equality, Federalism, and the Family," 115 Harv.
947 (2002), which argues that the history leading up to the enactment of the Nineteenth Amendment to the United States Constitution, guaranteeing woman suffrage, should serve as the foundation for a more robust jurisprudence of sex equality.
She is an active member of the American Constitution Society and faculty advisor to the ACS chapter at Yale Law School.