26 January 2026
How Ukraine Should Join the European Union
The European Union is ill prepared for the new world of geopolitical competition. It faces grave external threats, some from unexpected quarters, and struggles to be united in its response. Eurosceptic and nationalist forces continue to obstruct the EU's internal reform. But there are external challenges, principally Ukraine, that will not disappear by the charm of inaction. If a sovereign Ukraine is to be salvaged, it must be admitted to EU membership, and quickly. Continue reading >>
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23 January 2026
Kreditaufnahme statt Konfiskation
Am 14. Januar 2026 veröffentlichte die Europäische Kommission eine Reihe von Legislativvorschlägen, um die Vergabe eines 90-Milliarden-Euro-Darlehens der EU an die Ukraine zu ermöglichen. Seit dem EU-Gipfel vom 18. Dezember 2025 steht fest, dass dieses Darlehen durch eine Kreditaufnahme der Union am Kapitalmarkt finanziert werden soll, nicht durch den Einsatz der russischen „frozen assets“. Diese Form der Finanzierung muss sich in den Rahmen des geltenden Primärrechts fügen. Aus europaverfassungsrechtlicher Perspektive spricht einiges dafür, die Kreditaufnahme im Eigenmittelbeschluss der Union zu verankern. Continue reading >>
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23 October 2025
The Pathologies of the Reformist Zeal
On 14 October 2025, the Venice Commission issued an Opinion No. 1247/2025 concerning the anticipated changes to Ukrainian judiciary legislation. The Opinion criticizes the proposed judiciary reform for being disproportionate or even erratic experimentation. Indeed, Ukraine’s judiciary reformers never rest – but perhaps that’s the problem. This blog post argues that a more measured, constructive path forward to proceed with the judiciary reform is now essential. Continue reading >>
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25 September 2025
Reparationsdarlehen für den Wiederaufbau
Die Debatte um die Finanzierung des Wiederaufbaus der Ukraine hat wieder Fahrt aufgenommen. Am Samstag beriet Brüssel über ein Reparationsdarlehen für die Ukraine, das aus eingefrorenen russischen Vermögenswerten finanziert werden soll. Neben dem Reparationsdarlehen stehen der EU zwei weitere Optionen offen: Beschlagnahme und Konfiskation. Beide stoßen jedoch an völkerrechtliche bzw. praktische Grenzen. Juristisch tragfähig hingegen ist das Reparationsdarlehen, mit dem die EU der Ukraine nicht zuletzt dringend benötigte Mittel bereitstellen kann. Continue reading >>04 September 2025
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. Continue reading >>
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03 September 2025
The School Bell That Rings for War
On 1 September, known in Russia as Knowledge Day, thousands of schoolchildren were once again welcomed back with the ringing of the symbolic first bell, marking the beginning of new school year. However, this school bell does not toll for knowledge or peace. Instead, it symbolizes how Russia has transformed schools into factories for transmitting state-sponsored propaganda to younger generations. In this blog, I explain how Russia is strategically weaponizing the educational system to raise a militarized generation of subjects that accepts and embraces the normalcy of war. It seeks to achieve this goal, inter alia, through military training and involvement of children in the production of combat equipment; obligating teachers to teach state-mandated falsification of history; and forcing cultural assimilation of Ukrainians living in occupied territories. Continue reading >>
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08 July 2025
Ein Verbrechen sucht ein Gericht
Russlands Angriffskrieg gegen die Ukraine verletzt das Gewaltverbot der UN-Charta in aller Deutlichkeit, bleibt strafrechtlich allerdings bislang ungesühnt. Der Europarat und die Ukraine reagieren mit einem Sondertribunal, das hochrangige Verantwortliche für das Verbrechen der Aggression zur Rechenschaft ziehen soll – trotz politischer und verfassungsrechtlicher Hürden. Es bündelt internationale Unterstützung und setzt ein starkes Zeichen gegen Straflosigkeit bei Angriffen auf die internationale Rechtsordnung. Ein ungewöhnlicher Schritt, der das Völkerstrafrecht grundlegend herausfordert. Continue reading >>06 June 2025
A New Look at Confiscating Russian Assets
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. Continue reading >>
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04 June 2025
Endlich gleiches Recht für alle?
Mit der Ankündigung eines Haftbefehls gegen den israelischen Premierminister hat IStGH-Chefankläger Karim Khan den lange bestehenden Vorwurf selektiver Strafverfolgung offen aufgegriffen. Die internationale Strafjustiz steht vor der Herausforderung, ihre Maßstäbe zu schärfen und ihre Legitimität zu festigen. Das geplante Ukraine-Tribunal lenkt den Blick auf bestehende Asymmetrien – und auf das Potenzial für strukturelle Reformen. Ob daraus ein tatsächlicher Wandel erwächst, ist noch ungewiss. Doch der Anspruch auf Kohärenz im internationalen Strafrecht lässt sich nicht länger übergehen. Continue reading >>
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02 June 2025
Peace at What Price?
In recent months, a growing number of voices – from political figures such as U.S. President Donald Trump and Slovak Prime Minister Robert Fico to various public opinion polls – have suggested that a resolution to the war in Ukraine may require Kyiv to cede some of its territory to Russia. These arguments, now gaining renewed attention as peace talks have begun, frame territorial concessions as a pragmatic step toward ending the conflict. Ceding Ukrainian land under these conditions, however, would reward historical revisionism as a geopolitical strategy and set a dangerous precedent in international law. Continue reading >>
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