The Appeals Chamber Decides Israel’s Appeals — And Refuses to Suspend the Arrest Warrants

Introduction On 27 November 2024, Israel appealed two decisions of the Pre-Trial Chamber that were issued simultaneously with the arrest warrants for Benjamin Netanyahu and Yoav Gallant. The first decision rejected Israel's claim that it was entitled to a new Art. 18 notification because the OTP's s investigation after October 7 was substantially different than the investigation the OTP opened...

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[Terje Einarsen is Professor of International Law at the University of Bergen and Chairperson of the Norwegian Section of International Commission of Jurists]  Part I of this post discussed why the jurisdiction should be extended and the current proposal to amend Article 15bis. An Alternative Proposal: Amending Article 5 Against this background (see Part I), it would presumably be better and more effective...

[Terje Einarsen is Professor of International Law at the University of Bergen and Chairperson of the Norwegian Section of International Commission of Jurists] The Assembly of State Parties special session on the review of the amendments on the crime of aggression will be held at the United Nations, New York, 7 to 9 July 2025.  It comes with a challenging geopolitical...

Come and join our team! Opinio Juris is looking for three Assistant Editors to help with reviewing and assessing content that comes to our blog. This would be a volunteer position with a time commitment of approximately 3-4 hours per week. Each Assistant Editor would be responsible for monitoring and reviewing submissions for substantive content, ensuring submissions meet formatting and content...

To have your event or announcement featured in next week’s post, please send a link and a brief description (1-2 paragraphs) to ojeventsandannouncements@gmail.com. Call for Panel Proposals International Law Weekend 2025: The American Branch of the International Law Association (ABILA) is pleased to invite panel proposals for International Law Weekend 2025 (ILW 2025)—the premier international law event of the fall season. ILW...

On April 4, a group of five states -- Costa Rica, Germany, Sierra Leone, Slovenia and Vanuatu -- formally submitted to the UN Secretary-General the text of a proposed amendment to the Rome Statute. The amendment seeks to harmonise the ICC's jurisdiction over the crime of aggression with the jurisdictional regime that applies to the other crimes. It would do...

To have your event or announcement featured in next week’s post, please send a link and a brief description (1-2 paragraphs) to ojeventsandannouncements@gmail.com. Calls for Applications Research Prize of the International Nuremberg Principles Academy to Participate in the Adamas Residencies 2025: The Adamas Residencies are a European residency programme for legal researchers at the Château de Goutelas in Marcoux, France. From 5...

Featured Announcement The British Institute of International and Comparative Law (BIICL) has announced its 2025 short course programme. Led by BIICL experts and external partners, BIICL's training integrates world-leading research with insights from practice around the world.  This year’s programme includes its highly acclaimed courses: in public international law, climate change law, artificial intelligence, cultural heritage, business and human rights and law...

To have your event or announcement featured in next week’s post, please send a link and a brief description (1-2 paragraphs) to ojeventsandannouncements@gmail.com. Calls for Papers Workshop - Narratives in International Courts and Tribunals: The Latin American Society of International Law (LASIL) Interest Group on International Courts and Tribunals is pleased to invite submissions for an online pre-conference workshop on ‘Narratives in...

[Frédéric Mégret is the Hans & Tamar Oppenheimer Chair in Public International Law at the Faculty of Law, McGill University and the James S. Carpentier Visiting Professor at Columbia Law School] The question of how Mexico and Canada police their borders has emerged as a considerable symbolic stake in the current crisis with the US. The US President has made a number of...

When the news broke that the former Philippines President Rodrigo Duterte had been arrested and detained upon arrival at Manila’s airport from an overseas trip, by Philippine police executing an international arrest warrant, it was the culmination of months of speculation. The political feud and infighting in the Philippines halls of power certainly facilitated this moment. But let us not forget, it’s been the relentless work...