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 Summer School on International Humanitarian Law is designed by the Grotius Centre Kalshoven-Gieskes Forum on International Humanitarian Law.

On 30 June 2016, Eesa Fredericks is expected to defend his Ph.D.-thesis ‘Contractual Capacity in Private International Law’ in Leiden. Supervisors are prof. Sierd J. Schaafsma (Leiden) and prof. Jan Neels (Johannesburg).

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

The Basics and Applications to Plant Sciences will be held physical. See below for more information.

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…

In the Public Administration specialisation in Policy, Governance and Organisation, you will analyse current issues such as the housing crisis, energy transition, and immigration. You will learn how policy is developed and how public organisations function from various perspectives.

Don Scott De Amicis will give the sixth Hazelhoff Guest Lecture on international development finance: challenges and opportunities.

Are you thinking about studying Public Administration: International and European Governance? Learn more and watch the videos.

On 26 juni 2018, Claire Achmad defended her doctoral thesis 'Children’s Rights in International Commercial Surrogacy: Exploring the Challenges from a Child Rights, Public International Law Perspective'. The doctoral research was supervised by Prof. Dr. Mariëlle Bruning.

Are you thinking about studying this Advanced LL.M. International Children's Rights? Learn more and watch the videos.

The faculty has around 650 employees, academic and administrative staff. More than 325 of these are involved in teaching. Together they make Leiden Law School what it is today: a faculty driven by its research and enriched by its teaching.

On 17 November 2021, Cyril-Igor Grigorieff defended the thesis 'The Regime for International Air Carrier Liability'. The doctoral research was supervised by Prof. P. Mendes de Leon and Prof. V. Correia (University Paris Saclay).

International public finance is essential for global collaboration on climate change. With the deepening climate crisis and stagnant public finances, it is essential to maximize the impacts of limited resources, especially in the developing world. To this end, new public climate organizations have emerged,…

Research in the History and International Studies 1900-present specialisation addresses the interconnectedness and interdependence of contemporary global political, economic and cultural developments from a multidisciplinary perspective which is rooted in the humanities.

Gisela Hirschmann, lecturer and researcher at Leiden University’s Institute of Political Science, has been awarded a 2-year grant of € 170.000 by the German Fritz Thyssen Foundation to study how international organisations react to budget cuts, membership withdrawals and systematic non-compliance by…

A Student Affairs Front Office employee will explain the main considerations for applying to Leiden University.

This article studies the influence of framing on preferences for cooperation with the EU.

The project explores the impact of the clash between defenders of a rules-based order and international law on global governance and the future of legal systems.

Are you thinking about studying Global Order in Historical Perspective? Learn more and watch the introduction video.

Do you want to know more about studying at Leiden University? Find out more about what it is like to study in the Netherlands, how Leiden University supports you through your time as a student here and get to know our amazing student cities of Leiden and The Hague.

On Tuesday 17 October 2017 Alexandre Genest defended his PhD dissertation ‘Performance Requirement Prohibitions in International Investment Law’ as part of a double PhD programme at the Universities of Leiden and Ottawa. The Supervisors are Professors M.E. Koppenol-Laforce. F. Baetens (Universities…

This course explains the functions of each international court and tribunal in The Hague. On the basis of cases and interviews with judges and lawyers, this course explores the role of these courts and tribunals and their potential to contribute to global justice.

What Determines Perceptions of Bias toward the International Criminal Court? Evidence from Kenya. In this article, published on the website SAGE Journals in the Journal of Conflict Resolution, the authors Geoff Dancy, Yvonne Marie Dutton, Tessa Alleblas, Eamon Aloyo examine the attitude towards international…

In this project we investigate how the professional development around the theme of inquiry based teaching of teachers from three international schools takes place.

On 8 July 2020, Andres Sarmiento Lamus defended his thesis 'The Proliferation of Dissenting Opinions in International Law'. The doctoral research was supervised by Prof. L.J. van den Herik and Prof. Y.A.A.S. Radi (UCLouvain).

Financialization has become the go-to term for scholars grappling with the growth of finance. This Handbook offers the first comprehensive survey of the scholarship on financialization, connecting finance with changes in politics, technology, culture, society and the economy.

Leiden University’s Master of International Civil and Commercial Law (L.L.M.) examines the interrelated layers of hard law, soft law, and relevant case law.

48th edition 2025

Our Master Law in European and International Human Rights Law (LL.M.) looks at the various human rights protection mechanisms from a comparative perspective

Few events have influenced our global order as intensely as the events of September 11, 2001.

On 5 September 2017, Alessandro Tonutti defended his PhD dissertation

This book offers readers an alternative history of the origins of the discipline of International Relations.

Festival