'Technology, law and justice' is one of Leiden Law School's four research focus areas.

Today, 189 out of 193 officially recognised nation-states have a written constitution, and 75% of these have been ratified since 1975. How did this worldwide diffusion of constitutions come about?

Kamerlingh Onnes Building, Steenschuur 25, 2311 ES, Leiden

The center studies the many ways in which issues of law and justice are dealt with in art and literature with a focus on liminal issues and cases. These are issues and cases where law comes to the limits of what it is capable of dealing with and art and literature explore the implications of what is…

Financial Law is a specialisation of the master’s programme Rechtsgeleerdheid (Law) at the renowned Leiden Law School of Leiden University.

Study information

Civil Law is a specialisation of the master’s programme Rechtsgeleerdheid (Law) at the renowned Leiden Law School of Leiden University.

Arbeidsrecht (labour law) is a specialisation within the master’s programme Rechtsgeleerdheid (Law) at Leiden Law School, Leiden University's renowned faculty of law.

'Law and empirical research' is one of Leiden Law School's four research focus areas.

The Private International Law Department provides academic education and performs research in the field of private international law.

The IP Law (Intellectual Property Law) department provides education and conducts research in the field of intellectual property law.

Philosophy of law is concerned with the the foundations of law.

Almost a century passed since the much-celebrated judgement in the case concerning the Factory of Chorzów was delivered. This 1928 judgement of the Permanent Court of International Justice affirmed the essential principle of ‘reparation’ in international law, claiming that ‘restitution’ is the preferred…

Welcome to the Business & Law Research Network!

Company Law is a specialisation of the master’s programme Rechtsgeleerdheid (Law) at the renowned Leiden Law School of Leiden University.

At Leiden Law School of Leiden University, it is possible to take certain post-academic courses on a contract basis. As contract student, you will join the regular students in the classroom. After passing the exam, you will be awarded a course certificate.

De Leiden Law Academy, voorheen JPAO, verzorgt geaccrediteerde juridische post academische opleidingen en nascholingen in samenwerking met de rechtenfaculteit Leiden en staat garant voor een leven lang ontwikkelen op juridisch gebied. Wij helpen u graag bij het actueel houden van uw kennis en vaardi…

MSc Law and Society brings together students from law and social sciences to examine the dynamic relationship between legal norms and social reality. Its global orientation, interdisciplinary approach, and focus on social justice make this master’s programme unique in its field.

This article offers an inaugural assessment of how silences implicate international law-making in cyberspace through descriptive and normative lenses.

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…

This study examines how European state administrations responded to transboundary crises over the past 30 years and the extent of their successful adaptation.

Are you interested in developments in society? In a conflict, do you prefer searching for a compromise rather than giving a judgement? If so, Notarieel Recht is the right study for you.

The section Civil Procedure Law offers education in the bachelor and master fase of the Law program.

Law is of major importance for socio-economic development. Ideally, law organises human interaction in a way that promotes justice and legal certainty and protects vulnerable groups from exploitation and arbitrariness.

The newly established Luxembourg Centre for European Law held its inaugural conference on 10-11 October 2025, exploring the theme of “European Union law and values in a changing world”. Martijn was invited to speak about the relationship between European values and democracy.

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…

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

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.

This research concerns a network of labour law specialists in the EU. The growing internationalization of the economic market and the employment market has a major impact on legislation and research of labour law. Particularly within the European Union labour law is subject to constant development…

Sustainability and law is one of Leiden Law School's four research focus areas.

Rogier Kegge, Assistant Professor in administrative law and environmental law, is a member of the Dutch Health Council’s Committee on Livestock Farming and Health. The Committee recently published a report on links between goat farms and pneumonia.

The annual meeting of the European Group of Public Law (EGPL) took place on 13 and 14 September 2024 in Legrena, Greece.

Sinds 1973 vindt in december jaarlijks een congres plaats voor staatsrechtjuristen: de zogeheten Staatsconferentie. De conferentie vindt bij toerbeurt plaats op een locatie die is gekozen door één van de Nederlandse rechtenfaculteiten.

Leiden Law School has a methods portal that offers an overview of the various phases of empirical legal research.

How do commissions of inquiry operating in conflict situations utilize international law, and how can inquiry findings be utilized by other bodies belonging to the international legal community?

The sustainable business law research group is dedicated to researching the complex relationship between business activities and sustainability. It strives to develop legal solutions that contribute to a more ethical, just, ecologically responsible and socially inclusive society. Our aim is to develop…

To what extent can Parliament limit freedom with the so-called 2G policy? Associate Professor of Constitutional and Administrative Law Ingrid Leijten of Leiden University discussed this topic on NOS Nieuws en Co.

This study seeks to analyse how job stress could be the result of performing administrative tasks

On the Leiden Law Blog, our researchers comment on the latest news and showcase the research being conducted at our faculty.

On 22 January, 15 inspirational lecturers – including Annemarie Drahmann and Joris Larik from the Institute of Public Law – received the Senior Teaching Qualification (SKO) from rector magnificus Hester Bijl. This qualification is awarded to lecturers who demonstrate strong teaching and didactic skills…

The manner and context in which the government supports citizens' initiatives are often more important than the legal framework. In practice, it only creates unnecessary division and there are no solid grounds for it. Esmée Driessen, PhD candidate at the Department of Constitutional and Administrative…

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

Consumer complaints, the war against drugs, family issues, matters of state: Rechtsgeleerdheid (Law) is socially relevant and topical.

The Common Market Law Review is designed to function as a medium for the understanding and analysis of European Union Law, and for the dissemination of legal thinking on all matters of the European Union Law.

The Law School Green Team is the very first Green Team created by LUGO. We work on making our faculty as sustainable as possible. We’re dedicated to promoting a greener and more eco-friendly faculty, so we can all contribute to a better environment! In addition to our green initiatives, we also organize…

Leiden is the place for Law

Prime Minister Rutte has broken the Archiefwet (Dutch Public Records Act) for years by deleting his text messages. That was the conclusion of the Information and Heritage Inspectorate in a scathing report. On Monday, Speaker of the Dutch House of Representatives Vera Bergkamp also filed charges after…

Are you thinking about studying European Law? Learn more and watch the videos.

This semester, Ingrid Leijten is appointed as a guest professor at the Friedrich Alexander University Erlangen-Nuremberg (FAU).