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.

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

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

In this article, Lianne Visser contributed to the understanding of why collaborative governance is a challenging response to wicked problems.

Welcome to the Business & Law Research Network!

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…

This Leiden Law School page provides various information on Diversity & Inclusion at the faculty. It explains why D&I are key objectives, lists our current D&I projects, and outlines the faculty’s plans for improvements in these areas.

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

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.

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…

The Department of Constitutional and Administrative Law of Leiden University has published a collection of research essays on the separation of powers. This collection addresses the main question of whether the historically developed combination of concepts of democratic legitimacy and the separation…

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…

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.

Szmulewicz, a PhD candidate at the Department of Constitutional and Administrative Law at Leiden University, gave two online presentations on ‘The unitary and decentralized state’ and ‘The need to strengthen the autonomy of the territories in the new Constitution in order to reduce regional inequalities’…

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

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…

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

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.

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.

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?

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

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?

On 10 April 2025, Melanie Fink presented her current research on the interplay between EU constitutional law and the regulation of digital technologies.

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

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

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

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

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

On important occasions in a person’s life and where business is concerned, notarial practice plays a crucial role. The master’s programme 'Notarieel recht' is a versatile and challenging field of study.

The master’s programme 'Jeugdrecht' considers topics like child abuse, child refugees, bullying via social media, adoption and divorce and aims to make a difference in the lives of the youngest members of our society.

Do you like solving complex legal puzzles? Do you like analysing problems? If so, the bachelor’s programme Fiscaal Recht is right for you.

The master’s programme 'Fiscaal Recht' provides you with in-depth theoretical and practical knowledge on all the ins and outs of tax law.

Simona Demková of the Europa Institute recently participated in the inaugural Czech-Slovak symposium on the challenges of artificial intelligence for administrative law, titled 'Co roboty rozhodovat nenecháme?' ('What Shall We Not Let Robots Decide?'), held on 7 March 2025, at Charles University's Faculty…

Legal education initiative of the Leiden University, the University of Groningen and Universitas Indonesia.

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

Promotor: J.N. Kok, Co-promotor: W.A. Kosters

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..

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.

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…

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

Just published: Nederlands internationaal privaatrecht Special issue: Private international law and finance

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.