Law of Neutrality
Ukraine Symposium – Cyber Neutrality, Cyber Recruitment, and Cyber Assistance to Ukraine
The war between Russia and Ukraine has given rise to many challenging international humanitarian law (IHL) questions. In this post I will focus on its cyber dimension and consider how certain customary law obligations imposed on belligerents and neutrals under the law...
Ukraine Symposium – Maritime Neutrality in the Russia-Ukraine Conflict
Most of the reporting and commentary regarding the conflict between Russia and Ukraine has so far focused on the land domain of warfare. However, there are significant maritime legal aspects to the conflict. An earlier post in this symposium briefly touched on...
A No-Fly Zone over Ukraine and International Law
In an impassioned address to the U.S. Congress on March 16, Ukraine’s President, Volodymyr Zelensky, asked the United States for additional military assistance, including the establishment of a no-fly zone. This is a terror that Europe has not seen, has not seen for...
Neutrality in the War against Ukraine
This contribution briefly addresses the question of whether and to what extent States that are not parties to the war against Ukraine are bound by the law of neutrality. In particular, are these States obliged to refrain from any assistance to Ukraine, including by...




