American Society of International Law (ASIL)
13 Articles

Lieber Prize 2025 Call for Papers on the Law of Armed Conflict
Submit to the Lieber Prize for best article and best book in the field of international humanitarian law/law of armed conflict.

Deportation, Detention, and Other Crimes: In Ukraine, the Past and Present of International Criminal Law Converge
International law concepts at least partially formed in Lviv, Ukraine, now frame discussions about accountability in the Russia-Ukraine war today.

Symposium: International Law in Ukraine – The View from Lviv
Just Security is pleased to host a Symposium, "International Law in the Face of Russia’s Aggression in Ukraine: The View from Lviv."

A Legal and Moral Victory for Ukraine: Vindicating Ukraine’s Legal Rights Before the International Court of Justice
Ukraine is countering Russia’s aggression in the courtroom, leading to a pivotal moment for international law.

The Just Security Podcast: International Law in the Face of Russia’s Aggression in Ukraine: The View from Lviv
Joining the show to discuss the Lviv symposium are four of its editors, Kateryna Busol, Olga Butkevych, Rebecca Hamilton, and Gregory Shaffer.

Where is the International Law We Believed In Ukraine?
International lawyers must design an improved legal architecture of resilience and recovery to support Ukraine against Russian aggression.

Міжнародне право в умовах російської агресії в Україні: Погляд зі Львова
Оголошуємо про проведення симпозіуму з українськими та міжнародними експертами з міжнародного…

The State Department Adviser Signals a Middle Road on Common Article 1
In his remarks to the American Society of International Law earlier this month, State Department Legal Adviser Brian Egan stated that the United States’ commitment to upholding…

The Egan speech and the Bush Doctrine: Imminence, necessity, and “first use” in the jus ad bellum
This post is the latest installment of our “Monday Reflections” feature, in which a different Just Security editor examines the big stories from the previous week or looks…

Are all “members” of ISIL targetable?
Rita Siemion and Heather Brandon of Human Rights First have published a comprehensive post on some of the more important aspects of Brian Egan’s speech to ASIL. (My own…

International Law à la Carte: Brian Egan’s Jus ad Bellum Doctrine
Last week’s speech by State Department Legal Adviser Brian Egan laying out the legal and policy rationales behind the US’s war against ISIL was largely overlooked in the mainstream…

[UPDATED–Now with VIDEO] ASIL Speech by State Legal Adviser Egan on international law and the use of force against ISIL
Brian Egan, the new State Legal Adviser — and until recently the Legal Adviser to the National Security Council — just delivered this speech to the American Society of International…