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…

We co-organise our society through law and public institutions. As society evolves, these institutions continually face new dilemmas. Legislators must regulate AI while also fostering competitiveness. Judges are tasked with protecting a healthy environment while respecting democratic decisions. States…

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.

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…

Loopholes in international tax legislation contribute to the misuse of tax rules by multinationals. Leiden University legal experts investigate how the complex national and international tax rules can be made more consistent in order to create a better tax system.

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.

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.

In this article, the authors explore how international criminal law is moving into a ‘post-critical’ phase and examine its potential for emancipatory reform.

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

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

Data reuse and big data: a taxonomy for personal data reuse.

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.

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

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..

Systematic investigations into religious precepts, worldly rules of law and legal practices in the Muslim world show clearly how these societies deal with justice and injustice. Sharia, the Islamic ‘legal system’, plays an important role in this context.

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

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.

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.

The Hazelhoff Centre for Financial Law provides academic teaching and performs research in the field of financial law.

Public International Law is a one-year Master’s specialisation at the internationally acclaimed Leiden Law School at Leiden University. The programme focuses on the legal framework that governs international relations in an increasingly complex global society.

Bitvavo managers had access to customer data for years, claiming it was needed to register new customers in the past. In newspaper ‘Financieele Dagblad’, Gerrit-Jan Zwenne, Professor of Law and Digital Technologies, calls this privilege ‘a risky and therefore problematic decision.’

On 18 May 2011, Dr. Ben Knapen, Minister for European Affairs and International Cooperation, delivered the annual Van Vollenhoven Lecture on “Rule of Law and Development”.

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

The Labour Law and Social Security department provides both bachelor’s level and master’s level teaching.

e-SIDES (ethical and societal impact of data sciences) is a Coordination & Support Action (CSA) part of the Horizon 2020 programme.

How is law shaped by and shaping social, political and economic change in Indonesia?

One of the recurring points of discussion within the Criminal Justice research programme is the question of what behaviour should or should not fall within the scope of criminal law. This research theme is examined from a legal-dogmatic and social-scientific perspective.

To what extent does the Law Ombudsperson for Children achieve its goals as intended by the legislator when introducing the law?

The International Air Law Moot Court Competition is a unique opportunity for students seeking to gain experience in the development of arguments in the field of international law and international air law, while also establishing contacts around the world.

On 9 September 2020, Ruben de Graaff defended his thesis 'Concurrence in European Private Law'. The doctoral research was supervised by Prof. A.G. Castermans and Prof. S.C.G. Van den Bogaert.

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

Sustainability and the law lecture series featuring guest speakers discussing legal and social aspects.

Belle Beems, universitair docent Europees mededingingsrecht, stelt in een uitzending van Kelder & Co, Radio1, dat de grootste uitdaging om grote technologiebedrijven te reguleren niet ligt in nieuwe wetgeving, maar in het effectief handhaven van bestaande regels.

Are UN sanctions regimes in need of further formalization in terms of substantive design, procedural architecture and with a view to regulating and governing the interplay with other regimes?