Customary International Law
133 Articles

Saudi Crackdown on Dissent Violates Kingdom’s International Legal Obligations
The prosecution of Salman Alodah, a reform-minded Saudi scholar, is particularly emblematic of Saudi Arabia's worrisome pattern of suppressing dissent.

Compilation of States’ Reactions to U.S. and Iranian Uses of Force in Iraq in January 2020
A comprehensive guide to every state in the world's reaction to the U.S. operation killing of Qassem Soleimani and to the Iranian military response.

The Application of International Law to Cyberspace: Sovereignty and Non-intervention
A new Chatham House Report discusses how key international law principles apply to States’ cyber operations below the threshold of use of force and makes recommendations to governments…

The Netherlands Releases a Tour de Force on International Law in Cyberspace: Analysis
The Dutch make a major contribution to interpretation and application of international law in cyberspace with careful legal analysis on topics ranging from sovereignty to the use…

Fear and Loathing on the Border: A First-Hand Look at the Travesty
Far from the loophole-ridden sieve described by the administration, the asylum system we saw was a Kafka-esque labyrinth designed to punish migrants who dare to exercise their…

U.S. Sanctions Against Iran’s Foreign Minister and International Law
Sanctions against a foreign minister are a provocation that impede diplomacy. Their legality under international law also turns out to be a complex issue.

Second Circuit Gets Civil Forfeiture under the Foreign Sovereign Immunities Act Wrong
Are foreign states and their property immune from civil forfeiture suits brought by the U.S.? In a case involving a Manhattan skyscraper controlled by Iran, the Second Circuit…

U.S. Offensive Cyber Operations against Economic Cyber Intrusions: An International Law Analysis – Part II
Part I demonstrated that the United States is likely to struggle to make a convincing argument that economic cyber intrusions carried out against it breach international law. Consequently,…

U.S. Offensive Cyber Operations against Economic Cyber Intrusions: An International Law Analysis – Part I
On June 11, 2019, White House National Security Adviser John Bolton announced that U.S. offensive cyber operations would be expanded beyond countering election interference to…

U.S. Cyber Command, Russia and Critical Infrastructure: What Norms and Laws Apply?
Emplacing malware in critical infrastructure on which the civilian population depends is a decision States must not take lightly. It may also violate international law, but 'responding…

Legal Explainer: German Court Reins in Support for U.S. Drone Strikes
Unpacking the legal issues discussed in this major decision by German court.

Human Rights Law and U.S. Military Operations in Foreign Countries: The Prohibition on Arbitrary Deprivation of Life
The view that the U.S. government does not accept that international human rights law applies to US activities in foreign countries is mistaken., writes Goodman. The Department…