Articles for category: Ukraine

The Feasibility of Security Guarantees for Ukraine

The question of possible security guarantees is at the heart of current efforts to end the war against Ukraine. White House special envoy Steve Witkoff stated on 17 August 2025 that “the United States and other European nations could effectively offer Article 5-like language to cover a security guarantee,” which would serve as a trade-off for Russia’s insistence that Ukraine should not be able to join NATO. This has brought the term “Article 5-like protection” into focus. The feasibility of such a guarantee appears impossible given legal and practical obstacles. Russia is demanding untenable concessions from Ukraine in exchange for its consent. The prospect of a credible deterrent is also missing, which is why the entire process appears to be the Russians playing for time.

4. September 2025

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A New Look at Confiscating Russian Assets

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In the near future, the European Court of Human Rights (ECtHR) may issue its first compensation awards against Russia for its conduct in the war in Ukraine. When that happens, the question of how to enforce such awards will become paramount. Given Russia’s lack of cooperation, claimants may seek to enforce compensation awards in third states holding Russian assets, a promising yet untested avenue. Drawing from a recent report by Open Society Justice Initiative (OSJI), this post explores some of the legal hurdles this avenue entails as well as some of its broader implications. We believe that this approach could be a limited but significant instrument to redress harm for victims of human rights abuse committed in the war.

6. Juni 2025

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Frozen Russian State Assets

In February 2022, a coalition of states including all G7 economies froze approximately US$300 billion in Russian state assets. Over the past three years, debates have been unfolding as to how these funds can be used to enforce Russia’s obligation to pay reparations to Ukraine. With the prospect of EU sanctions unravelling in July 2025, legal debates over countermeasures and state immunities appear to be ceding stage to concerns over whether CBR assets ought to be ring-fenced in a separate fund to keep it out of Russia’s reach.

4. April 2025

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Fast-Tracking Ukraine

Whatever the outcome of the current crisis, Ukraine needs to join the European Union as fast as possible. Neither Trump nor Putin can veto this. The EU, for long lukewarm about widening and deepening, must take rapid steps to facilitate Ukraine’s entry. This will involve revising the terms and conditions of accession. Although Volodymr Zelensky has seen EU membership as second best to NATO, he well knows that his country’s sovereignty now depends on the European Union. Enlargement is a geostrategic investment in peace, security, stability and prosperity.

3. März 2025

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Ukraine’s Constitutional Order in Wartime

Ukraine’s constitutional order is facing an unprecedented challenge due to Russia’s ongoing aggression. The war has forced the nation to navigate between maintaining democratic governance and ensuring national survival, all while operating under martial law. The looming expiration of presidential and parliamentary terms has sparked debates on legitimacy of the wartime governance. While wartime elections are neither feasible nor constitutionally required, legitimacy is upheld through constitutional provisions, political consensus, and international recognition.

10. Februar 2025

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Territorial Concessions to the Aggressor

How can Russia’s war of aggression against Ukraine be brought to an end? With recent proposals by the Trump transition team, a possible peace treaty with Ukraine and Russia is gaining renewed attention. Gregory Fox predicts that “territorial transfers […] would likely be at the heart of any agreement”. The rule on coerced treaties (Art. 52 VCLT) poses a major legal obstacle to territorial concessions to an aggressor state. Under that rule, a treaty is void if its conclusion has been procured by an unlawful threat or use of force. That notwithstanding, a treaty invalid under Art. 52 VCLT can be validated by the UN Security Council (UNSC), a solution that is also compatible with jus cogens.

6. Januar 2025

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Merry Christmas, with Hope from Ukraine

In the depths of this dark winter, Shchedryk—the song born from Ukraine’s heart— shines as a gift to the world. It is a testament to Ukraine's resilience, its cultural spirit, and its undying hope for renewal and freedom. As the familiar chimes of Carol of the Bells ring through the air this Christmas, let us hear them not only as a celebration of holiday joy but also as a reminder of Ukraine’s fierce struggle for sovereignty and peace. Merry Christmas, with hope from Ukraine.

25. Dezember 2024

Integrating Artificial Intelligence in Ukraine’s Courts

This post examines Ukraine’s recent steps toward AI integration in the courts, highlighting initiatives and plans for the future. While these efforts reflect a growing recognition of AI’s potential, they also reveal limitations. Concerns surrounding AI, such as data security and confidentiality, reliability, transparency, explainability, accountability, fairness, and bias, are just as significant in judicial contexts as they are in other areas.

12. Dezember 2024

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