In association with the International Commission of Jurists

General

08 Aug

[Alexander Heinze is an Acting Professor at the University of Bremen and lecturer at the University of Göttingen] On 24 July 2025, Trial Chamber V (TC V) of the International Criminal Court (ICC) issued its 1,600-page Judgment in the Yekatom and Ngaïssona case, convicting both former Anti-Balaka leaders of a catalogue of war crimes and crimes against humanity—including murder, persecution, forcible...

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08 Aug

[Ananya Bhargava (she/her) is a law student at Jindal Global Law School] Introduction Historically in situations of war, international law has maintained fidelity to a strictly parochial understanding of what constitutes “use of force.”  This understanding adheres to the normative belief that “use of force” solely includes armed force. Any deviation from this belief would invariably lead to the unsettling of definite...

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08 Aug

[Donna Cline is a US-licensed criminal practitioner and lead for the Environment Mobile Justice Team at Global Rights Compliance, where she works closely with Ukrainian prosecutors to ensure accountability for war crimes. Julia Tétrault-Provencher is a Canadian lawyer (Quebec Bar) and international lawyer with the Sexual and Gender-Based Violence Mobile Justice Team at Global Rights Compliance in Ukraine.] Legal practitioners and scholars...

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08 Aug

[Dr. Emma Irving, M.A., LL.M. and Sabrina Rewald, J.D., LL.M. are co-founders of the Fénix Foundation, a non-profit leveraging technology to advance peace, justice, and accountability, and consultants in international criminal law, human rights and technology] The authors led the research and development of the Leiden Guidelines and the Hala Protocol. On 24 July 2025, ICC Trial Chamber V found Alfred Yekatom and Patrice-Edouard Ngaïssona guilty of a...

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07 Aug

[Gaiane Nuridzhanian is an associate professor at The Arctic University of Norway (UiT)] The legal principle of ne bis in idem proclaims that no one shall be tried twice for the same matter. This principle finds expression in a variety of ne bis in idem rules that define the specific parameters of the prohibition on repeat trial. While the ne bis...

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07 Aug

[Nandor Knust is an associate professor of law at the Arctic University of Norway (UiT)] Gaiane Nuridzhanian’s The Principle of Ne Bis in Idem in International Criminal Law offers a comprehensive examination of the ne bis in idem principle in the realm of international criminal law. Drawing from her extensive academic and professional background, Nuridzhanian provides an in-depth analysis of how this...

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06 Aug

It’s that time of the year again! The editorial team at Opinio Juris is pleased to announce the call for papers for our Fifth Annual Symposium on Pop Culture and International Law. We can't believe it's already been five years! We welcome abstracts of up to 400 words on any topic relating to international law and popular culture (film, tv, books, video games, or...

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06 Aug

[Dr Daniel R. Ruhweza is a senior lecturer and head of the Department of Law and Jurisprudence at the Makerere University School of Law] Gaiane Nuridzhanian’s The Principle of ne bis in idem in International Criminal Law examines the common law principle of double jeopardy as established in the Rome statute under Article 20 as a legal principle. This Statute establishes...

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06 Aug

[Dr Iryna Marchuk is an associate professor at the Centre for European, Comparative, and Constitutional Legal Studies (CECS), University of Copenhagen. Dr Aloka Wanigasuriya is an associate professor at the Department of Law, University of Southern Denmark.] Introduction The principle of ne bis in idem holds sacred value in criminal law, as it aims to safeguard the integrity of criminal process by...

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05 Aug

[Megumi Ochi is associate professor at the Graduate School of International Relations, Ritsumeikan University, Kyoto. The Premises of International Criminal Procedure: Identifying the Principles in International Collaboration (Springer, 2024) is the English translation of her second monograph.] I am honoured to be invited to this book symposium on this outstanding monograph written by my friend, Gaiane, on a topic that has...

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05 Aug

[Gaiane Nuridzhanian is an associate professor at The Arctic University of Norway (UiT)] The legal principle of ne bis in idem, also known as double jeopardy, proclaims that no person shall be tried twice for the same matter. This principle exists in most of the domestic legal systems and is a fundamental human right. While the importance of this principle is...

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04 Aug

[Konstantinos Deligiannis-Virvos is a PhD Research Fellow with the Norwegian Centre for the Law of the Sea (NCLOS) at the Law Faculty of The Arctic University of Norway (UiT)] On 9 June 2025, the UK-flagged ship Madleen (officially the Barcarole), operated by the Freedom Flotilla Coalition, was intercepted by Israeli forces on the high seas, approximately 100nm from Gaza. Twelve activists onboard were arrested,...

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