On Friday 12 September 2025, the Opening Ceremony of the European Law LL.M. programme took place in the Lorentz lecture hall at Leiden Law School. Following Dr Barbora Budinska’s and Professor Armin Cuyvers’s warm words of welcome for the incoming students, Dr Darinka Piqani presented two student pr…

How should jurisdictions, both on the national and on the supra-national level, handle the interaction between public and private law where it regards the regulation of financial markets?

Mark Klaassen and Peter Rodrigues have published a journal article on the role of the best interests of the child in EU family reunification law in the European Journal of Migration and Law. They conclude that even though the Court of Justice of the European Union has often referred to the best interests…

OpinioJuris, one of the world’s leading international law blogs, has hosted an interdisciplinary online symposium on Professor Carsten Stahn’s new book entitled ‘Confronting Colonial Objects’.

At the initiative and expense of His Majesty King Willem‑Alexander, Leiden University will conduct a study into the role of the House of Orange‑Nassau in Dutch colonial history. The project will run from 2023 to 2026.

Islamic State may be losing ground rapidly, but Syrian President Assad's position is gaining strength. His torture chambers and the battlefield are scenes of countless criminal acts. Will these crimes ever come to trial, at the International Criminal Court, for example?

How is law shaped by and shaping social, political and economic change in Indonesia?

See below for the full programme and abstracts of all papers.

We'll give you 10 reasons why you should study the specialization Peace, Justice and Development of the master Public International Law at Leiden University

Managing Diversity: Supervising Functions in Managing Colonial Workplaces

LUC's Liberal Arts and Sciences programme offers you the opportunity to specialise in one of six Majors while keeping the Global Challenges at the centre of your studies.

Since the late 1990s Leiden University has been located in two cities: Leiden and The Hague. Leiden is where the University was founded and still forms its heart, with six of the seven faculties being housed there. The faculty of Governance and Global Affairs is located in The Hague and most of the…

The Hague is a fast-growing student city in the Netherlands, offering great study and career opportunities to students from all over the world.

Using artificial intelligence is more complicated for the government than for companies. Bram Klievink, Professor of Public Administration, aims to identify the problems and find solutions.

The 18th Biennial EUSA conference, with the theme 'Beyond Sui Generis? Understanding the EU as a Comparative Polity and an Interdisciplinary Subject', took place on 4 to 6 May 2023 at the University of Pittsburgh (PA), USA. The Europa Institute was represented by Dr Moritz Jesse and Dr Darinka Piqan…

The university aims to expose all students to sustainability topics and issues that are relevant to their field during their time studying here. Students are educated to become academic professionals with the necessary knowledge and skills to contribute to the sustainability transition.

The LUCL Labs consist of four spaces equipped to conduct high-quality experimental linguistic research.

What made the early Islamic empire so successful and have we missed the story by neglecting crucial evidence? The 7th-century Arab conquests changed the socio-political configurations in the Mediterranean and Eurasia forever. Yet we do not really know how the Arabs managed to gain dominance of this…

Everyone most obey the law. If you don’t, you will face the police and the courts. The application of national, European and international criminal law would seem to be a matter of following the letter of the law. But the reality is more nuanced. Criminal law scholars and criminologists from very different…

Impressions by Oene de Haan - PhD candidate at Utrecht University

Extracurricular activities will be organised during the ICCL programme. For example a class study trip, excursions, Moot Court and visiting major law firms.

Are you interested in current affairs, developments in society and people? Are you highly motivated, willing to be challenged and able to go just a bit further in finding creative solutions to legal issues, then Rechtsgeleerdheid is the master’s programme for you.

The programme works to shed light on transnational, international and comparative aspects of law. We will focus on theory and the practical application.

Discover life as a student in the MSc Democracy and Representation at Leiden University: join the SPIL association, use the Pieter de la Court building, and live in the historic, international city of Leiden.

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

The Children’s Rights Education Fund is an initiative that strengthens global leadership in children’s rights by offering financial support to students of the Advanced LL.M. in International Children’s Rights at Leiden Law School.

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?

The Van Vollenhoven Institute for Law, Governance, and Development and the Grotius Centre for International Legal Studies organised the Van Vollenhoven Lecture 2013.

The EU JudgeCo Platform provides valuable sources on cross-border insolvency court-to-court cooperation and communication in a EU context.

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COI@Leiden organises activities and events throughout the year. These include a monthly seminar series on topics relating to conflict resolution and PhD labs to assist COI students in developing their research skills.

Growing public backlash against international organizations (IOs) and attacks of national political elites on the rule of law increasingly challenge governance by IOs.

From self-driving cars to innovative drug development: artificial intelligence (AI) will fundamentally change our lives in many different ways. We study this technology at a deep and fundamental level. And we seek answers to questions about liability and privacy, for example. Our researchers from…

Psycholinguistic research

Leiden and The Hague are real student cities and has everything you’ll need to turn your time as a student into the time of your life. Read more about student life.

The Hague is a real student city and has everything you’ll need to turn your time as a student into the time of your life.

Explore the student life component of the MSc Dutch Politics at Leiden University: student associations, networking events, social activities, and living in a vibrant university city.

Explore student life for the MSc International Politics at Leiden University: student associations, social events, extracurricular opportunities, and living in The Hague.

How did free agents in the Dutch Republic react to the creation of colonial monopolies (VOC and WIC) by the States-General? This project answers this question by looking at the role individuals played in the construction of an informal global empire parallel to the institutional empire devised by the…

How did slaves in the eighteenth century manage to empower themselves and their kin, and why did this become all the more difficult in the nineteenth century?

Explore student life for the MSc Political Theory: Legitimacy and Justice at Leiden University, including student associations, events, academic community and living in Leiden and The Hague.

The specialization Peace, Justice and Development at Leiden University examines the legislation that governs international relations in a global society.

Student life in Leiden and The Hague. We will tell everything about this real student citues to make sure you have the time of your life!

Leiden is a real student city! Our master students would like to share their experiences of studying in Leiden at Leiden University