The institute that focuses on Public Law is as broad as the field itself. The Institute of Public Law has six departments, each with its own research agenda.

The Institute of Private Law was closely involved in the development of Nieuw Burgerlijk Wetboek (the Civil Code of the Netherlands, which came about between 1948 and 1992). It has continued to fulfil this socially engaged role over the years. It also made a significant contribution to the development…

The Institute of Public Law comprises all areas of public law, with the exception of criminal law, and including labour law.

The Institute of Private Law is part of the Leiden Law School.

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…

The Institute of Tax Law and Economics at Leiden Law School has three departments: the Department of Tax Law, the Department of Economics and the Department of Business Studies. The Institute brings together research and teaching at the point at which, on the one hand, law and, on the other, fiscal…

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.

This book is the first to incorporate current academic literature and case law on European, transnational, and international media law into a comprehensive overview intended primarily for students.

The Duke-Leiden Institute in Global and Transnational Law is a one-month programme providing a strong foundation for those interested in international and comparative law as well as for those planning to study law in the United States. The programme will focus on subjects such as trade agreements, human…

The International Institute of Air and Space Law (IIASL) offers PhD candidates the possibility to enroll in the IIASL PhD Track.

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.

Most people know what law is. But what it should be or where it comes from is what interests the researchers from the Institute for the Interdisciplinary Study of the Law. Key to their approach are topics that go right to the heart of philosophy of law. What is a state? What are the limitations of…

On Wednesday 22 November 2017, Professor Luuk Van Middelaar delivered the closing lecture for the EU Institutional Law and General Principles of EU Law-course of the regular LLM-programme in European Law.

As of 1 January 2020 the Institute of Immigration Law will become part of the Europa Institute of Leiden University.

The Faculty of Law has five institutes:

The Faculty Board has appointed Professor Ymre Schuurmans as Academic Director of the Institute of Public Law. Schuurmans is Professor of Constitutional and Administrative Law and was Head of the Department of Constitutional and Administrative Law for the past six years.

The international legal order is in a process of transformation. But how transforms globalization the international legal order? This research programme provides a clearer framework to analyze this..

The House of Representatives in the Netherlands has requested advice from the Council of State about combining membership of the House of Representatives with holding a post in the cabinet. Geerten Boogaard sees this as a sign that the Netherlands is moving towards a constitutional court.

This book presents concrete solutions for managing the legal risks distorting the development of various areas of EU law. It pursues an innovative and effective approach to identify legal risks, their causes at the EU level and their impacts on the functioning of the Union and its Member States. It…

Is private law ready for the challenges of our time?

Hart Publishing in Oxford has published the first book in a series entitled ‘Restatement of Labour Law in Europe’. This particular book deals with the question of which employees are protected by labour law (‘The concept of employee’).

Published by Brill Nijhoff and written by leading experts including national judges, academics and practitioners East African Community Law is the first comparative as well as open access textbook on EAC law. The book provides a key resource for the research, teaching, and practice of EAC law. It also…

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.…

Professor Willemien den Ouden has been appointed as the new Academic Director of the Institute of Public Law starting 1 September 2017. She will take over from Professor Wim Voermans who has held this position for the past seven years.

The Institute of Criminal Law and Criminology comprises two departments. One focuses on research and teaching in the field of criminal law and procedure and the other on criminology.

Amy Strecker assesses the institutional framework for landscape protection, analyses the interplay between landscape and human rights, and links the etymology and theory of landscape with its articulation in law.

The Department of Company Law and Financial Law provides education and conducts research in areas including company and corporate law, financial contract- and liability law, corporate governance, sustainability, Dutch and EU financial regulatory law, mergers and acquisitions, insolvency law, and international…

Between 11 and 13 September 2025, the ESIL Annual Conference took place in Berlin, Germany. This year's conference unfolded on the theme 'Reconstructing International Law', attracting an unprecedented number of legal scholars from all over the world.

The International Astronautical Congress (IAC) that took place last week in Paris was extremely successful for IIASL.

The Department of Child Law and Health Law is a knowledge centre dedicated to academic research and education for both students and professionals in two fields: child law (and children's rights) and health law.

As from 1 February, prof. Adriaan Bedner will be the new Head of Department of the VVI.

This book is part of a series which sets out a restatement of labour law in Europe. Its second volume looks at atypical employment relationships in Europe.

European Law is a one-year Master’s specialisation at the internationally renowned Leiden Law School at Leiden University. The programme distinguishes itself by its broad intra-disciplinary approach, covering institutional, constitutional as well as internal market and competition law of the EU in addition…

In the past years access to EU law has been significantly enhanced via services such as EUR-Lex. This development not only allows for easy retrieval of individual legal acts, but for collecting information about the evolution of EU law in the aggregate as well.

Professor Christa Tobler and Jacques Beglinger have written two new publications.

In his thesis Tjandra analuses the development of labour law in Indonesia. He focusses on the developments after the fall of the Soeharto regime (1998), the so called reformasi period.

The Scientific Research and Documentation Centre (WODC) has commissioned the Institute of Immigration Law to evaluate the Modern Migration Policy Act. The purpose of this law was to develop a modern, selective and innovative admission policy for legal migration, which is welcoming for economically desirable…

The Law of the European Union is a complete reference work on all aspects of the law of the European Union, including the institutional framework, the Internal Market, Economic and Monetary Union and external policy and action.

The Department of Child Law and Health Law is a knowledge centre dedicated to academic research and education for both students and professionals in two fields: child law (and children's rights) and health law.