Mark Weston Janis

William F. Starr Professor of Law
Headshot of Professor Janis.
Office: Hosmer 283
  • International Law
  • Foreign Law
  • Constitutional Law

International law scholar Mark Weston Janis has been teaching at UConn Law since 1980, when he joined the academy after practicing corporate and financial law with Sullivan & Cromwell in New York and Paris. A graduate of Princeton University, Oxford University, where he was a Rhodes Scholar, and Harvard Law School, Professor Janis has been a fellow and then a visiting fellow of the Oxford Faculty of Law since 1993. In addition, he has held several other visiting professorships during his 30-plus years teaching international law, including at Cornell, UCLA, Paris I, Aix-Marseilles, Tilburg, and at the Riga Graduate School of Law as a Fulbright Scholar. In recent years, he has taught International Law, European Human Rights Law, Conflict of Laws, and U.S. Law and Legal Institutions, a course designed for the Law School’s international LL.M. and exchange students.

A prolific writer, Professor Janis is the author or co-author of three widely used books – International Law, International Law Cases and Commentary, and European Human Rights Law – as well as two books on America’s tradition and historical role in the development of international law, and more than 60 articles on private and public international law. When not teaching, writing and editing, Professor Janis, a former officer in the United States Navy, has served on the boards and committees of several organizations that promote international law, including the American Bar Association, the American Society of International Law, the American Association of Law Schools, and the International Law Association. He has served as a member of the Council on Foreign Relations since 1990 and as a member of the American Law Institute since 2013. He also serves on the editorial board of several peer-reviewed law journals, including the Netherlands International Law Review, the International Community Law Review, and the Oxford Journal of Law and Religion.

Mark Weston Janis, The Shadow of Westphalia: Majoritarian Religions and Strasbourg Law, 4 Oxford Journal of Law and Religion 75 (2015).

Mark Weston Janis and John Noyes, International Law Cases and Commentary (5th ed.) (Thomson West, 2014)

Mark Weston Janis, International Law, 6th edition (Aspen 2012)

Mark Weston Janis, American Exceptionalism in International Law in The Oxford Handbook of the History of International Law (Oxford University Press, 2012)
Mark Weston Janis,The United States and International Law: The United Nations Finds a Home, 56 Vill. L. Rev. 523 (2011)
Mark Weston Janis, America and the Law of Nations 1776-1939 (Oxford University Press, 2010)
Recent Faculty Notes
Mark Janis to Speak on Law and Religion
Aug 20, 2018 -

Professor Mark Weston Janis will speak on the relationship between law and religion in the Davis Courtroom at the UConn School of Law on October 10, 2018.  Janis' speech is part of a lecture series called "The Constitution of 1818: Debate and Dissent in the Land of Steady Habits" and is co-sponsored by UConn School of Law and the Connecticut Historical Society. 

Mark Janis to Judge International Moot Court Competition
Mar 28, 2018 -

Professor Mark Weston Janis will serve as a judge in the octafinal and quarterfinal rounds of the Philip C. Jessup International Law Moot Court Competition in Washington, D.C., on April 4 and 5, 2018.

Mark Janis Moderates Book Discussion
Mar 8, 2018 -

Professor Mark Weston Janis served as moderator of a discussion on March 6, 2018, with Scott J. Shapiro, Charles F. Southmayd Professor of Law and Professor of Philosophy at Yale Law School, about his book The Internationalists: How a Radical Plan to Outlaw War Remade the World. John E. Noyes, past president of the American Branch of the International Law Association and emeritus professor at Cal Western also took part in the conversation, which was held at UConn School of Law and sponsored by the student-run Human Rights Law Association.