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Antonios Tzanakopoulos

@atzanakopoulos.bsky.social
223 followers 6 following 43 posts

Professor of Public International Law, University of Oxford. Door Tenant, Three Stone Chambers. Secretary-General, International Law Association.

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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 03/07/2026
UN International Law Fellowship Programme at the Peace Palace. Many thanks to the Codification Division for inviting me to deliver lectures and to the wonderful fellows and colleagues!
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 01/06/2026
Teaching Law of the Sea at the UN Regional Course in International Law for Latin America and the Caribbean - in ECLAC, Santiago. Many thanks to the UN Codification Division and ECLAC, as well as to Chilean colleagues for the hospitality. Photo credit: Judith Violago.
Antonios teachingGroup photo of participants
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Reposted by Antonios Tzanakopoulos
PIL @ Oxford @oxfordpil.bsky.social · 22/05/2026
The International Dispute Settlement class visited the International Court of Justice (ICJ) to experience first-hand international dispute settlement in action. We thank the Registrar, the Information Department, the Judges and Officers of the Court for the warm hospitality.
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 20/05/2026
Thank you, IDS class 2025-26. You’ve been great! Good luck to our Canadian investment vehicle, AgriGarima, in navigating the choppy regulatory waters of Utopia, and good luck to all of you in the exam. Does this make sense? I hope it does!
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 02/03/2026
I’ve had a spirited chat with @iaindale.bsky.social on @lbc.co.uk regarding the legality of the use of force against Iran.
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 10/02/2026
With a number of colleagues from across Europe we submitted a brief as amici to the US Supreme Court in Exxon Mobil v CIMEX.
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 03/02/2026
With Janina Dill @janinadill.bsky.social we gave oral evidence to the House of Commons Foreign Affairs Committee on the use of force in Venezuela.
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Lauterpacht Centre for International Law @lauterpachtcentre.bsky.social · 22/01/2026
Join us for the first lecture of the new term: 1 pm Fri 23 January 2026: 'Marxist Insights for International Law' with Prof Antonios Tzanakopoulos. Sandwich lunch from 12.30 pm. All welcome to attend. Further information: www.lcil.cam.ac.uk/press/events...
Join us for the first lecture of the new term: 1 pm Fri 23 January 2026: 'Marxist Insights for International Law' with Prof Antonios Tzanakopoulos. Sandwich lunch from 12.30 pm. All welcome to attend. Further information: https://www.lcil.cam.ac.uk/press/events/2026/01/friday-lecture-marxist-insights-international-law-prof-antonios-tzanakopoulos-university-oxford
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 17/01/2026
This week I gave a course at The Hague Academy of International Law on International Law and Domestic Courts: Quantum Uncertainty. Many thanks to the Curatorium and staff of the Academy, the wonderful students, and the lovely interpreters and technicians.
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 28/11/2025
I’ve been a low-key fan of this pod since it started - I particularly enjoy the “what everyone gets wrong about…” sub-series. Deliciously irreverent and appropriately highbrow. But for this one I have to thank the co-hosts for the shout-out. Perhaps I need to write about 2803.
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 24/11/2025
Thanks to the Codification Division for inviting me to teach on the UN Regional Course in International Law for Asia and the Pacific - I had a great time debating international law issues with enthusiastic colleagues from the region. Special thanks to Carla Hoe & to Judith Violago.
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 15/11/2025
I spoke on Populism and international law at the Margalla Dialogue in Islamabad. Many thanks to all the participants and colleagues at the Islamabad Policy Research Institute, for the hospitality and spirited exchanges. Until next time!
Picture of Antonios Tzanakopoulos delivering his remarks.
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Faculty of Law @oxfordlawfac.bsky.social · 07/11/2025
Oxford Law academics Professor Antonios Tzanakopoulos and Dr Miles Jackson have acted as counsel for Malaysia and Namibia respectively in recent proceedings at the International Court of Justice in The Hague 🏛️ Read more about their contributions👇 www.law.ox.ac.uk/content/news...
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 24/10/2025
I gave a talk on the UN and its sanctioning power at the International Symposium on the 80th anniversary of the United Nations in Shenzhen. Thanks to the wonderful colleagues at the Institute of International Law of the Chinese Academy of Social Sciences for the kind invitation.
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 14/10/2025
With some excellent colleagues we represented the Republic of Equatorial Guinea before the International Tribunal for the Law of the Sea in the M/T Heroic Idun (No 2) case. A great team.
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 13/10/2025
A wonderful - if unorthodox (pun intended) - start to the academic year: a seminar on reservations to treaties for the LLM of the University of Athens, on the margins of a long hearing at the International Tribunal for the Law of the Sea. Thanks to all for the enjoyable seminar.
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 14/09/2025
With Johanna Lorenzo and Christian Walter, we shared our impressions at the concluding roundtable of the @esil-sedi.bsky.social 2025 Annual Conference in Berlin on Reconstructing Int’l Law. Chaired by Vasilka Sancin. Many thanks to Helmut Aust and Heike Krieger of @freieuniversitaet.bsky.social.
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 20/08/2025
Our Issue Paper with Efthymios Papastavridis for UNODC on Surveillance and Enforcement of High Seas Marine Protected Areas has been published and will be presented at UNHQ in NYC on 27 Aug.
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 04/06/2025
UNODC Expert Group Meeting: our issue paper with Efthymios Papastavridis on Surveillance and Enforcement in High Seas MPAs is still in draft as we incorporate comments from the experts.
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 21/05/2025
Thank you, IDS class of 2024-25. I hope you enjoyed it as much as I did - and sorry we got rained on just when y’all wanted to take a picture.
A picture of graduate students in front of the library of All Souls College, Oxford
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PIL @ Oxford @oxfordpil.bsky.social · 21/05/2025
We’re now mid-way through Trinity Term! 🌞 Today, we had the fantastic opportunity to hear from Prof @atzanakopoulos.bsky.social on ‘International Law and Domestic Courts: Quantum Uncertainty’.
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 13/05/2025
I wrote commentaries on Articles 21 (self-defence) and 50 (obligations not affected by countermeasures) for the Commentary on the Articles of State Responsibility edited by Patrícia Galvão Teles and Pierre Bodeau-Livinec.
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 07/05/2025
Together with some excellent colleagues, I will deliver a special course on international law and domestic courts at The Hague Academy of International Law in January 2026.
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PIL @ Oxford @oxfordpil.bsky.social · 07/05/2025
Happy Week 2 everyone! In today’s PIL seminar, Tsvetelina van Benthem shared interesting aspects of her research on ‘International Law Protections against Indoctrination’.
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 29/04/2025
Team Malaysia 🇲🇾 at the ICJ for the Advisory Opinion on the presence and activities of the UN and others in the Occupied Palestinian Territory.
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 08/02/2025
I spoke to Matt Frei on LBC Radio on the sanctions imposed by the Trump Administration against the International Criminal Court.
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 26/01/2025
Λονδίνο σήμερα. #Δεν_Έχω_Οξυγόνο
Gathering outside the Greek Embassy in London to protest the death of tens in railway accident and cover-up.
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 26/11/2024
From our discussion with Brad Roth, moderated by Maria Varaki, and hosted by Yuval Shany at the Center for Transnational Legal Studies in London on ‘Marx in Our Times - and Legal Order’. Papers below.
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 25/11/2024
Today 17:45 at CTLS London with Brad Roth, Maria Varaki, Yuval Shany.
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 23/11/2024
I spoke to ‘The Day’ on the Deutsche Welle regarding the ICC arrest warrants for Netanyahu, Gallant (and Deif).
youtu.be
Interview with DW on ICC arrest warrants for Netanyahu, Gallant
YouTube video by Antonios Tzanakopoulos
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 22/11/2024
United Nations (Human Rights Special Procedures) - International Conference on Sanctions, Business and Human Rights 🇺🇳🇨🇭
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Antonios Tzanakopoulos @atzanakopoulos.bsky.social · 20/11/2024
United Nations Regional Course in International Law for Asia and the Pacific 🇺🇳🇹🇭
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