You have worked, as a team, many months on your memorials. Now the time has come for you to present your legal argumentation before a Court.

This pioneering project will answer this question by examining migrants through the eyes of the courts between 1600 and 1900. It aims to reveal patterns of continuity and change in: 1. Treatment of migrants by criminal courts; 2. Violence and conflicts between migrants and native born.

Next to the curriculum, Leiden students can participate in the Honours Programme, various European Law moot court competitions and/or high-profile internships.

Leiden University has a long and outstanding tradition in the field of public international law.

Next to the curriculum, Leiden students can participate in the Honours Programme, various European Law moot court competitions and/or high-profile internships.

The central aim is to systematically study differences in gendered crime patterns in the records of different types of courts in various English and Dutch cities in the early modern period.

Since the late 1990s, Leiden University has been located in two cities: Leiden and The Hague. Leiden Law School is also involved in teaching and research at Campus The Hague.

On 14 December, Jouke Tegelaar defended the thesis 'Single supervision, single judicial protection? Towards effective judicial protection in Single Supervisory Mechanism composite procedures'. The doctoral research was supervised by Matthias Haentjens and Willemien den Ouden.

The Brain and Education Lab is located in the Faculty of Social and Behavioural Sciences of Leiden University.

The symposium is organised by the Department of Child Law at Leiden Law School, on the occasion of the 30th anniversary of the UN Convention on the Rights of the Child.

We would all like to live in a world in which individuals feel safe, conflicts are resolved peacefully and the interests of future generations are taken into consideration. At Leiden University legal scholars investigate to what extent public international law meets the needs of a globalised society.…

Leiden Law School is at the heart of society.

For thousands of years, societies have fallen under the reign of a single leader, ruling as chief, king, or emperor. In this fascinating global history of medieval and early modern dynastic power, Jeroen Duindam charts the rise and fall of dynasties, the rituals of rulership, and the contested presence…

In this article, Jaroslaw Kantorowicz and his coauthors analyse how recent political changes reshaped Poland’s Constitutional Tribunal and why this transformation provides important insights into contemporary democratic backsliding in Europe.

Intensive public debates have erupted about integration of immigrants in Europe. The influx of refugees from the middle east during the summer and autumn of 2015, the increasing visibility of immigrants throughout European societies, but also the widely publicized occurrences on New Year’s eve in Cologne…

The International Criminal Court’s response to contestation by African states parties

On 25 November 2020, Sara Arendse defended her thesis 'De uiterlijke verschijningsvorm in het strafrecht'. The doctoral research was supervised by prof. C.P.M. Cleiren and prof. J.M. ten Voorde.

, Sandifortdreef 21, 2333 ZB, Leiden

The fifth edition of the Owada Chair Symposium, that was held in Leiden on 14 and 15 October 2025, highlighted the law and politics of international criminal justice.

Contact details and staff overview of the Leiden University Graduate School of Social and Behavioural Sciences.

The oral arguments at the Telders Moot Court are judged by a panel of three judges.

This research deals with the royal houses of the Vijayanagara Empire and four of its successor states: Ikkeri, Tanjavur (under both the Nayaka and Bhonsle rulers), Madurai, and Ramnad. This study is thus concerned with dynastic politics and imperial legacies in south India between the 14th and 18th…

This PhD dissertation examines international responsibility for the crime of aggression from a public international law perspective. Under customary international law, as well as the amendments to the Rome Statute of the International Criminal Court adopted in the Review Conference in Kampala in 2010,…

How do interest groups in the Netherlands use strategic litigation to bring about political, social or legal change, and how does this strategy compare to other, more classical, ways to influence policy?

The curriculum in the first semester provides an overall introduction to public international law and international criminal law. The second semester is more track-specific and focused on interaction.

The Common Market Law Review has had its editorial office in the Leiden Europa Institute ever since it was founded in 1963.

The International Criminal Law programme prepares you for a successful career within a multidimensional field, in Europe or around the world.

Ruling Overseas: Connected Practices of Governance of Law

The LL.M. (Governance of Migration and Diversity specialization) provides in-depth expertise on migration, asylum, diversity, and non-discrimination law with an international and European focus. Courses span multiple academic disciplines, including law, history, sociology, political science, and development…

The Department of Civil Law is responsible for education and research in the field of civil law. We teach the master’s degree programme Civiel Recht (Civil Law LL.M.), attracting many students each year from Leiden and elsewhere.

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.

On Wednesday, 14 May 2025, Catherine O'Regan will deliver the annual Van Vollenhoven Lecture

Due to its economic prosperity, its policy of (relative) religious tolerance, and its large numbers of migrants, the Dutch Republic has long had a reputation of being the prime example of ‘tolerance’, especially during the seventeenth century. Although the great variety of newcomers in the Dutch Republic…

The programme group Clinical Neurodevelopment Sciences is located in the Faculty of Social and Behavioural Sciences of Leiden University near Central Station.

Procedural administrative law in a constitutional comparative law perspective

On 25 January 2018 Yannick van den Brink defended his doctoral thesis titled ‘Voorlopige hechtenis in het Nederlands jeugdstrafrecht’ (‘Pre-trial detention in the Dutch juvenile justice system’). The doctoral research is supervised by Professor Ton Liefaard and Professor Mariëlle Bruning.

The Institute of Education and Child Studies is located in the Faculty of Social and Behavioural Sciences of Leiden University near Central Station.

The programme group Research Methods and Statistics is part of the Institute of Education and Child Studies. This group is located in the Faculty of Social and Behavioural Sciences of Leiden University near Central Station.

The programme group Parenting, Child Care and Development is located in the Faculty of Social and Behavioural Sciences at Leiden University near Central Station.

The program group Learning and Behavior Problems in Education is located in the Faculty of Social and Behavioural Sciences of Leiden University near Central Station.

Research within COI@Leiden is clustered around two themes: sustainable justice and the courtroom as a social arena. Find out more about each of these projects by clicking on the links below.

On 10 October 2018, Richard Resch defended his doctoral thesis 'The Interpretation of Plurilingual Tax Treaties'. The doctoral research was supervised by Prof. mr. C. van Raad.

This is the team of LAPP:

The program group Forensic Family and Youth Care Studies is located in the Faculty of Social and Behavioural Sciences of Leiden University near Central Station.

Our research is done at two different locations.

More information about the European and International Business Law programme of Leiden University can be found on this webpage.

A clear majority in the UN confirmed that states are obliged to combat climate change. 141 countries voted in favour, 8 against, including the US, Russia and Saudi Arabia. Associate Professor Jason Rudall explains the implications.

In our European and International Business Law Advanced Master programme, you learn to decipher the hierarchy of European & international business law

Dr Letizia Lo Giacco is the recipient of the 2024 Rosalyn Higgins Prize for her article titled 'When a Dispute Exists: The Emerging Evidentiary Practice of the ICJ in Common Interests Proceedings'.