In this article, the authors explore how international criminal law is moving into a ‘post-critical’ phase and examine its potential for emancipatory reform.

This article on private active cyber defense by Dennis Broeders is part of a special issue of the Journal of Cybersecurity, based on a selection of contributions taken from the 2019 Conference on Cyber Norms organized by The Hague Program for Cyber Norms.

How can international investment law and arbitration take account of the public interest in, and more broadly, the public dimension of, the relations between foreign investors and host States ?

Public International Law is a one-year Master’s specialisation at the internationally acclaimed Leiden Law School at Leiden University. The programme focuses on the legal framework that governs international relations in an increasingly complex global society.

On 17 October 2018, Henriëtte Weststrate defended her doctoral thesis 'De Notaris en Private Rechtspraak'. The doctoral research was supervised by Prof.dr. H.J. van der Herik and Prof. mr. G.J. Meijer.

The International Air Law Moot Court Competition is a unique opportunity for students seeking to gain experience in the development of arguments in the field of international law and international air law, while also establishing contacts around the world.

Are you thinking about studying Public International Law? Learn more and watch the videos.

This book offers a comprehensive analysis of the international law applicable to cyber operations, including a systematic examination of attribution, lawfulness and remedies. It demonstrates the importance of countermeasures as a form of remedies and also shows the limits of international law, highlighting…

This edited publication aims at reflecting on the future of discussions on the applicability of international law to States’ use of ICTs in the context of highly politicised discussions at the multilateral level and offering practical suggestions for the European Union to pursue its objectives in this…

Rutsel Martha, former Minister of Justice of the Dutch Antilles, former General Counsel of Interpol and alumnus of Universiteit Leiden, elaborated on the position of states and intergovernmental organizations (IGOs) in international financial law.

Are UN sanctions regimes in need of further formalization in terms of substantive design, procedural architecture and with a view to regulating and governing the interplay with other regimes?

In this course, you will gain a deep insight into the rules that govern armed conflict, and aim to mitigate human suffering on the battlefield. You will explore the why and how of International Humanitarian Law, followed by the different types of conflict.

International organisations that represent collaborations between States are becoming increasingly more powerful, and they have an increasing impact on our daily lives. For example, the European Court of Human Rights in Strasburg established that minors have a right to legal aid immediately following…

How can we assist Universitas Indonesia's department of International law to improve their educational and applied research programs on Transnational Law, Asset Recovery and International Investment Arbitration, with an eye on Indonesia’s security and rule of law reform agenda and the needs of the…

The Advanced Master's specialization International Criminal Law at Leiden University examines international criminal law and international criminal procedure.

Our Master Public International Law (L.L.M.) you will gain understanding of the legislation that governs international relations in a complex global society

This publication examines the issues regarding the cross-border resolution of financial institutions, focusing on the power allocation between the home and host resolution authorities, i.e. the jurisdiction rule.

The International Institute of Air and Space Law is one of the leading international academic research and teaching institutes in the world, specialising in legal and policy issues regarding aviation and space activities in the broadest sense of the word.

Leiden University’s Master of Laws in Advanced Studies in International Financial Law (L.L.M.) examines the complex, international and multidisciplinary area of law and finance: markets, regulation and a sustainable society.

The Summer School on International Humanitarian Law is designed by the Grotius Centre Kalshoven-Gieskes Forum on International Humanitarian Law. The announcement for the next edition is set for December 2025, with registration beginning in January 2026.

Tycho de Graaf has been appointed Professor of Technology and Private Law at Leiden University as of 1 June 2022.

Organized by the Grotius Centre for International Legal Studies, this programme enables students and professionals from all over the world to engage in discussions on the prospects and challenges of international criminal justice. The announcement for the next edition is set for December 2025, with…

Are you thinking about studying the Advanced LL.M. Public International Law? Learn more and watch the videos.

The main objective of the Telders International Law Moot Court Competition is to challenge students to excel in international law, consequently testing their creativity and powers of persuasion in a friendly competition. Students and academic staff throughout Europe consider participation to be a great…

On Thursday 24 November 2016 Moses George will defend his PhD dissertation ‘Legal Implications of Airport Privatization in India’. The defence will commence at 11.15 hrs, in the Academy Building of Leiden University. The Supervisors are Professor Pablo Mendes De Leon and Professor Brian F. Havel (DePaul…

The Faculty of Law has five institutes:

Bringing Dominican indigenous collections back to the community

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