- George Welwood Murray Professor of Legal History
- Full-time faculty
Ph.D., Princeton University, 2010
J.D., Yale Law School, 1998
M.Phil., University of Cambridge, 1995
B.A., Princeton University, 1990
- Constitutional law, regulation and public order
- Legal history
American legal history
Christina D. Ponsa-Kraus joined the Columbia Law School faculty in 2007. The Puerto Rican, who grew up on the island, writes about the constitutional history of the American territorial expansion and the extraterritorial application of the US Constitution and examines their effects on American federalism. Citizenship and Nationality. Ponsa-Kraus is particularly interested in the legal issues surrounding the political status of Puerto Rico and other US territories (the US Virgin Islands, Guam, the CNMI, and American Samoa) and has written on these topics in both the mainstream media also in scientific publications. She is co-editor of Foreign in the domestic sense: Puerto Rico, American expansion, and the Constitution , a seminal study of the United States' unfinished colonial experiment.
Ponsa-Kraus is currently working on a study of the latest legal developments affecting the status of US territories.
Prior to joining Law School, Ponsa-Kraus was a trainee lawyer for Judge José A. Cabranes at the US District Court of Appeals and for Judge Stephen G. Breyer at the US Supreme Court. She is a faculty member at Columbia University Center for the Study of Race and Ethnicity.
- ' A completely empty gift , '119 Michigan Law Review 1223 (2021) (Review article on Sam Ermans Almost Citizens: Puerto Rico, the US Constitution, and the Empire (2019)).
- Political Wine in a Legal Bottle: Justice Sotomayor's Surprising Accord in Aurelius , 130 Yale L.J. Forum (September 21, 2020). Republished as part of a Collection in honor of Judge Juan R. Torruella .
- Beholding Law: Amadeo and the Argentine Constitution , Introduction to the online publication by Santos P. Amadeo, Argentine Constitutional Law ( to be published in 2020) (with Erin F. Delaney), written for the series at the invitation of La Academia Puertorriqueña de Jurisprudencia y Legislación Historic works by Puerto Rican authors .
- Fantasieinsel , Yale Journal of International Law Online (May 19, 2018) (with Erin F. Delaney). Reply to Joseph Blocher & Mitu Gulati, Puerto Rico and the Right to Join , 43 Yale Journal of International Law (2018). Published as part of a Symposium .
- The 1909 crisis and the other 1909 crisis , Journal of the Puerto Rican Academy of Legislation and Jurisprudence (Online-Journal), Bd. VIII (2016).
- When Statehood Was Autonomy , in Gerald L. Neuman & Tomiko Brown-Nagin, Hrsg., Reconsidering the Island Cases: Past and Future of the American Empire (Harvard University Press, 2015).
- The island cases: deannexation doctrine 78: 3 University of Puerto Rico Law Review 661 (2009) (mit Adriel Cepeda Derieux).
- Comfortable Constitution? Extraterritoriality according to Boumediene , 109:5 Columbia Law Review 973 (2009).
- They say I'm not an American ...: The Non-Citizen National and the Law of American Empire , 48:4 Virginia Journal of International Law 659 (2008).
- That Guy Thinks He’s Roscoe Pound, Sesquicentennial Essays of the Faculty of Columbia Law School (2008).
- None of the Oben bedeutet mehr vom selben: Why Solving Puerto Rico’s Status Problem Matters, in Frances Negrón Muntaner, Hrsg., None of the Above: Puerto Ricans in the Global Era (New York: Palgrave Macmillan, 2007).
- Two Puerto Rican senators stay home , 116 Yale L. J. Pocket Teil 408 (2007).
- The Limits of the Empire and the Limits of Sovereignty: American Guano Islands, in Mary Dudziak und Leti Volpp, Hrsg., Legal Borderlands: Law and the Construction of American Borders, 57:3 American Quarterly 779 (Special Issue, 2005).
- United States: American expansion and territorial deannexation , 72: 3 University of Chicago Law Review 797 (2005).
- Foreign in the domestic sense: Puerto Rico, American expansion, and the Constitution (Duke University Press, 2001) (co-edited with Burke Marshall).
Puerto Rico, 23 Yale Journal of International Law 561 (1998) (Rezension von José Trias Monges Puerto Rico: The Trials of the Oldest Colony in the World (1997)).