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.

The Institute of Psychology is part of the Faculty of Social and Behavioural Sciences.

, Sandifortdreef 21, 2333 ZB, Leiden

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…

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.

Information about the products of the extract library.

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

global challenges and possibilities

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…

In an appeal case, an employee of a care organisation in Nijmegen who was shown the door because of her criticism about the coronavirus voiced on LinkedIn, has had her dismissal reviewed. The court in Arnhem ruled that the employee had crossed a line and that her employer was entitled to dismiss her…

On the 28th of January 2019 Beryl ter Haar gave an introductory lecture on EU labour law concerning collective redundancies and working time. Both are core issues of this year's case for the Hugo Sinzheimer Moot Court Competition.

The following editorial comments were recently published in the Common Market Law Review.

How do individuals make decisions? What determines the quality of group decisions? When and why do people cooperate with others? How does intergroup competition evolve?

Circularity is an essential aspect of the industry transformation towards resource-efficiency, climate neutrality and long-term competitiveness. It can produce substantial material savings along value chains and production processes, generate added value and unlock economic opportunities.

Glycosidases are essential in fundamental biological processes and are responsible for the degradation of most (oligo)saccharides, glycolipids and glycoproteins.

LUC hosts many opportunities for students to join activities during their study. Within the college, there are numerous initiatives that you can choose from and if it doesn't exist yet, try making it yourself!

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?

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,…

The Europa Instituut is pleased to announce that this week a new handbook “EU State Aids” (31 Chapters, 1500 pages) was published.

On 31 January 2025, Leiden University participated in the Dutch National Rounds of the 2025 Philip C. Jessup International Law Moot Court Competition, the world’s oldest and largest moot court competition, featuring more than 800 teams from over 100 countries and jurisdictions.

The thesis introduces three methods for high-dimensional prediction problems in the biomedical field. The methods make use of empirical and variational Bayes in the estimation.

Ruling Overseas: Connected Practices of Governance of Law

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 Grotius Centre for International Legal Studies is offering two internships on a full-time basis in spring 2019.

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 Educational Sciences 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.

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…

Leiden has so much to offer in the areas of sport and culture. Irrespective of whether you fancy burning off some calories after a day’s studying or perhaps spending your evenings rehearsing with an amateur drama group, you’re covered.

Fancy burning off some calories after a day’s studying? Or perhaps you’d prefer to spend your evenings on the stage? Either way, the good news is that Leiden also has a lot to offer in the areas of sport and culture.

Many of our staff and students have won an award, received a grant, obtained an academic fellowship for their quality or have been socially engaged due to their specific expertise. See below for an overview per year.

The Graduate School of Social and Behavioural Sciences aims to provide a stimulating environment for conducting PhD research at an internationally competitive level within one of the excellent research programmes offered by its institutes.

The Viral Vector Facility produces batches of lentivirus and adenovirus for preclinical research within the LUMC. And it assists researchers to produce their own virus.

The month of May saw LUGO host its Spring Event, which consisted of a poetry reading and clotheswap! The event took place on May 10th at Rapenburg 100, in Leiden, from 17.30 to 20.30, and included free vegan snacks provided for by the Green Kitchen.

One of LUCIR’s key objectives is to bring together scholars and students of International Relations. To this end, LUCIR regularly organises events such as conferences, roundtables, lectures and book launches.