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One of the best law conferences in Germany: The participation in the ICON᛫S Germany at the Justus Liebig University in Gießen was worthwhile. It was great to see many valued friends and colleagues again. Thanks to Michaela Hailbronner for the excellent organization!

My presentation “Institutional Dynamics of International Complaint Mechanisms: A case-study of the Ombudsperson to the ISIL and Al-Qaida sanctions regime of the UN Security Council” analyzes the significance of legal margins in international law based on the phenomenon of international complaint mechanisms (ICMs). It argues that the normative evaluation of ICMs depends on whether these bodies can exploit the margins in their tight legal framework to provide an effective remedy for aggrieved complainants. Exploring this issue with a case study about the Ombudsperson to the ISIL and Al-Qaida sanctions regime, the presentation concludes that there is value in establishing even weak ICMs that are only the second- or third-best solutions given the potential of institutions to incrementally expand over time.

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Dezember 11th, 2025

Dec 10, 2025 – Presentation at the ILA Committee on Alternative Dispute Resolution in International Law

Many thanks to co-chairs  Serena Forlati and Amy Porges, as well as co-rapporteurs Yuliya Chernykh and Chiara Tondini, for inviting me to present my current […]

Oktober 22nd, 2025

October 22, 2025 – EUI Visitors’ Seminar

During my stay at EUI in Florence, on 22 October 2025 I gave a presentation at EUI Visitors’ Seminar on […]

Oktober 21st, 2025

October 21, 2025 – Presentation at the EUI International Law Working Group on „Reflections on ICJ’s climate change advisory opinion“

As part of my two-month research stay at the European University Institute, I gave a lecture on 21 October 2025 […]

Oktober 14th, 2025

October 14, 2025 – Presentation at the EUI on „The role and limits of fourth branch institutions in preserving and promoting democracy“

On 14 October 2025, as part of my two-month research stay at the European University Institute in Florence, I gave […]

September 27th, 2025

September 27, 2025 – Presentation at the inaugural ELU-S conference in Prague

From 25 to 27 September 2025, the inaugural conference of the European Law Unbound Society (ELU-S) took place in Prague […]

September 26th, 2025

Sep 25, 2025 – Presentation at the Ljubljana Sanctions Conference

On September 25 and 26, 2025, the Ljubljana Sanctions Conference took place at the University of Ljubljana – organized by […]

September 1st, 2025

1 September 2025 – Research stay at the European University Institute in Florence

Today marks the start of my two-month research stay at the Law Department of the European University Institute (EUI) in […]

September 1st, 2025

September 1, 2025 – Appointment as professor of public law, especially public economic law, at Chemnitz University of Technology

I was appointed as new professor at Chemnitz University of Technology (TUC) on September 1, 2025, and have now received […]

August 25th, 2025

New blog post on the ICJ’s Advisory Opinion on Climate Change

Following the advisory opinion on Obligations of States in respect of Climate Change of the International Court of Justice (ICJ), […]

Juni 28th, 2025

28 June 2025 – Presentation at the Humboldt-Princeton Workshop on “Separation of Powers and Judicial Independence” in Berlin

On 27 and 28 June 2025, I participated in an international workshop on “Separation of Powers and Judicial Independence” at […]