The International Law Programme at @ChathamHouse conducts policy-oriented research on critical issues of public international law.
London, England
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Chatham House Law retweeted
Denmark used its soft power to rally support and took the dispute out of the limelight - addressing underlying US interests instead of President Trump's unacceptable public position.
📝Read the latest from Marc Weller ⤵️
chathamhouse.org/2026/09/den…
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Chatham House Law retweeted
📢#ICYMI you can now watch the full panel discussion 'Targeting medics on the battlefield: addressing the crisis through law and practice'
Watch here⤵️
chathamhouse.org/events/all/…
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Chatham House Law retweeted
⚖️International law does not permit any country to appoint itself ‘guardian’ of other states’ rights and demand payment. The only realistic solution to the situation in the Strait is a return to negotiations
⬇️Read the latest from Prof Marc Weller below
chathamhouse.org/2026/07/tru…
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In case you missed it last week, you can now watch the full panel discussion 'Targeting medics on the battlefield: addressing the crisis through law and practice', here! ⤵️
piped.video/watch?v=7joGHILx…
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🗳️Who will be the next UN Secretary-General?
We'll be joined by two of the candidates, Rafael Mariano Grossi and Rebeca Grynspan, to present their vision of how they might lead the organization.
Friday 29 May 11:00 - 13:00 BST
Register below⤵️
chathamhouse.org/events/all/…
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📝A US Department of War memo reignited debate over ownership – which is complicated by Argentine independence, British administration, and the principle of self-determination.
Read the full explainer below⤵️
chathamhouse.org/2026/05/who…
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📢Join us on Thursday 11 June to celebrate the launch of our upcoming paper 'Medical care in armed conflict: addressing the crisis'.
Thursday 11 June, 17:00-18:15 BST
Register below ⤵️
chathamhouse.org/events/all/…
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🚢Freedom of passage through the Strait is a key issue for all maritime nations, writes Professor Marc Weller, Director of the International Law Programme at Chatham House.
Read the full explainer below ⤵️
chathamhouse.org/2026/04/str…
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Chatham House Law retweeted
🖊️The latest research paper from @HarrietMoynihan @JoyceHakmeh & @NayanaPrakash1 discusses the role of Russian cyber proxies against Ukraine and its allies and considers how international and domestic law can hold proxies to account🌐
Click for more⬇️
chathamhouse.org/2026/03/hol…
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"The UK has taken a step closer to involvement in the US and Israeli war against Iran"
📝Read more from Professor Marc Weller, International Law Programme Director
chathamhouse.org/2026/03/uk-…
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Chatham House Law retweeted
"There's no ready legal basis that can be invoked in order to justify the present operation"
Professor Marc Weller (@CHIntLaw) on the legal basis for the US and Israel's military campaign against Iran.
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US-Israeli air strikes – and the assassination of Supreme Leader Khamenei – create precedents for other countries seeking to resort to force without consideration for the rule of law.
Read more from Professor Marc Weller below ⤵️
chathamhouse.org/2026/03/ira…
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Earlier this month Marc Weller, Director of the International Law programme, gave evidence to the UK House of Lords International Relations and Defence Committee on the legality of US actions in Venezuela.
📺Watch the full committee session here: parliamentlive.tv/event/inde…
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"Objections to ratification are based on the language of a 1966 US–UK agreement. But these objections misread that treaty’s intent and context."
Read more from our Programme Director, Marc Weller, here:⤵️
chathamhouse.org/2026/01/uk-…
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Chatham House Law retweeted
Following the launch of the #ICC Office of the Prosecutor's Policy on Cyber-enabled Crimes in December, Special Adviser Marko Milanović spoke at @ChathamHouse in London this week on prosecuting cyber-enabled international crimes.
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Greenland is an island with the right to independence, which may store up legal problems – as the UK’s experience with the Chagos Archipelago shows.
Read more from Marc Weller here⤵️ chathamhouse.org/2026/01/if-…
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📢Our latest paper, 'Securing justice for cyber-enabled international crimes is out!
Join us next Wednesday 4 February to celebrate the launch of this research paper at our panel event - register via our website
chathamhouse.org/2026/01/sec…
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Non-superpower countries know that adherence to international law is not idealism, but the foundation of stable relations - and that it will only become more important in a rapidly changing world.
Read our latest expert comment here:
chathamhouse.org/2026/01/pre…
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📢Join our panel of experts examining pathways to accountability and the legal frameworks needed to secure justice for cyber-enabled international crimes.
Wednesday 4 February 2026, 17:30 – 19:00 GMT
@ChathamHouse and online
Register here⤵️
chathamhouse.org/events/all/…
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📢 @TheWorldToday, the @ChathamHouse magazine, has launched its new issue!
Stories include how Europe can save NATO, threats to LGBT rights, reinventing foreign aid and more! Read now > chathamhouse.org/publication…
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