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[Dr Erin Pobjie is Assistant Professor at Essex Law School and a Senior Research Affiliate at the Max Planck Institute for Comparative Public Law and International Law. She serves as co-Rapporteur of the International Law Association’s Committee on the Use of Force.] The author writes here in her personal capacity. Amidst the shadows cast by current global events, there is solace in...

[Alejandro Chehtman is Dean and Professor of Law at Universidad Torcuato Di Tella.] Prohibited Force (CUP, 2024) addresses a neglected issue in International Law, namely, the scope of the prohibition to use force. That this is a neglected issue might seem unexpected, given that this rule has been appropriately termed a “cardinal principle”, and one of the “cornerstones” of the international...

[James A. Green is Professor of Public International Law at the University of the West of England, Bristol, UK ,co-rapporteur of the International Law Association’s Use of Force Committee and a former editor-in-chief of the Journal on the Use of Force and International Law. His most recent book is Collective Self-Defence in International Law (CUP, 2024).] Pål Wrange once wrote that...

[Andrew Clapham is Professor of International Law at the Geneva Graduate Institute and the author of "War"] During Dr Pobjie’s book launch at the Geneva Academy we discussed some of the contemporary challenges facing those working to ensure respect for the international law on prohibited force. It is obvious that states are not willing to take the necessary steps to deal...

[Tomohiro Mikanagi is an Ambassador/Deputy-Permanent Representative of the Japanese Permanent Mission to the UN and Ambassador-at-Large for Cooperation on International Law. He is a Former Legal Advisor of the Japanese Ministry of Foreign Affairs and former visiting fellow of the Lauterpacht Centre for International Law, Cambridge.] The following comments are made in the author’s personal capacity According to Erin Pobjie, “a ’use of...

[Adil Ahmad Haque is a Professor of Law and Judge Jon O. Newman Scholar at Rutgers Law School. His first book, Law and Morality at War, was recently published by Oxford University Press.] Erin Pobjie’s Prohibited Force is an extraordinary book. Its combination of theoretical sophistication and empirical rigor is both striking and rare. While some readers may be tempted to skip to the later chapters, which set...

[Claus Kreß is a Professor of Criminal Law and Public International Law, the Chair for German and International Criminal Law, and Director of the Institute of International Peace and Security Law at the University of Cologne. He formerly Served in the German Federal Ministry of Justice.] In para. 253 of its 19 July 2024 Advisory Opinion in Legal Consequences from the Policies...

[Alonso Gurmendi is Fellow in Human Rights and Politics at LSE and Contributor Editor at Opinio Juris] At Opinio Juris we are extremely happy to present the present online symposium on friend-of-the-blog, Erin Pobjie’s recent book, Prohibited Force: The Meaning of ‘Use of Force’ in International Law (available on open access here). In this fascinating contribution to the law on the use of force, Erin addresses...

To have your event or announcement featured in our next post, please send a link and a brief description to ojeventsandannouncements@gmail.com. We are still officially on E&A hiatus while we bring on a new team member. Watch this space for regularly constituted E&A posts sometime in late November. Event: Book Launch Book Launch: Sights, Sounds, and Sensibilities of Atrocity Prosecutions This coming...

[Karolína Babická is a Senior Legal Adviser at the  International Commission of Jurists. Cristina Giacomin is a Legal Intern at the International Commission of Jurists] Overview In the past two years, the Committee on Artificial Intelligence (CAI) of the Council of Europe (CoE) has worked on the Framework Convention (FC) on Artificial Intelligence, Human Rights, Democracy and the Rule of Law.  The final...

[Tamer Morris is a Senior Lecturer in international law at the University of Sydney] In early October, it was reported that Israeli authorities requested UNIFIL to relocate their position to the north of the Blue Line. On the 10 October the IDF directed attacks against UNIFIL personnel and installations, injuring two peacekeepers. On 14 October, UNIFIL reported that two IDF tanks have...

[Mischa Gureghian Hall is a Researcher and Senior Status student in Law at the University of Oxford, University College, and a Legal Assistant at the International Residual Mechanism for Criminal Tribunals.] On 25 October 2024, Ukraine deposited its instrument of ratification of the Rome Statute with the UN Secretary-General, completing the process of ratification of the statute of the International Criminal Court (ICC) which...