Are you ready to take on an extra challenge during your Leiden Master programme?

How, when and why the EU legislates to facilitate the private enforcement of EU law before national courts.

The programme European and International Business Law encourages engagement with active professionals, to make sure you develop a professional network

The European Law Master’s specialisation is founded on the Europa Institute’s research programme, The progression of EU law: Accommodating change and upholding values. The programme distinguishes itself by its broad intra-disciplinary approach, covering institutional, constitutional as well as substantive…

In a recent TEDx Flanders event “Statistical Errors in Court”, Statistical Scientist Richard Gill speaks about the case of Lucia de Berk, a nurse found guilty of several murders based largely on statistics.

The Netherlands will comply with the arrest warrant issued by the International Criminal Court (ICC) against Netanyahu and proceed to arrest him as soon as he enters Dutch territory. Jens Iverson,Assistant Professor of Public International Law, discusses the issue in Dutch daily newspaper ‘Trouw’.

The soil-dwelling, filamentous bacteria of the genus Streptomyces are renowned for their production of useful secondary metabolites including antibiotics. The work described in this thesis provides new insights on the role and regulation of antibiotic production and resistance in these bacteria.

The programme of the Advanced Master Air and Space Law is a combination of public air law, private air law & space law, in international & European perspective

The Summer School ‘The European Union, the United Nations and Global Governance’ will focus on a range of topics relevant to interactions between the European Union (EU) and the United Nations (UN) and the EU’s role within current patterns of global governance.

On Thursday 6 March, students from the elective course Immigration Law attending a hearing at the Aliens Division of the Court of Rotterdam.

Professor Ingrid Tieken (Leiden University Centre for Linguistics, LUCL) and Dr Herman Siemens (Institute for Philosophy) have each been awarded an NWO Free Competition award in the Humanities for their research projects.

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In a week in which the threat of violent protest against taxi platform Uber made headlines from Athens to Amsterdam, Jorrit Rijpma (Europa Insitute) and Sophia Ranchordás (Groningen University) organised an Leiden Law Exchange (LLX) Roundtable on the recent judgment of the European Court of Justice…

This is the Board of Advisors of CompaRe.

More information about the European and International Business Law programme of Leiden University can be found on this webpage.

The Common Market Law Review has had its editorial office in the Leiden Europa Institute ever since it was founded in 1963.

On 16 February, Leiden University participated in the Dutch National Rounds of the 2024 Philip C. Jessup International Law Moot Court Competition, the world's largest moot court competition featuring participants from approximately 700 law schools across the world.

As a result of production pressure, judicial powers focus more on efficiency and less on making sure they get to the truth. Professor of Criminology Jan de Keijser believes that establishing the truth in court cases is under threat. Inaugural lecture 7 November.

On 27 February, Rodrigo Pica, Secretary of Chile’s Constitutional Court, gave a lecture to the students of the Advanced Master’s in European and International Human Rights Law at Leiden Law School.

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…

A team of students from Leiden and Groningen took the second prize at the European final of the BISC-E sustainability competition. Last June, the team had already won the Dutch finals. The students came up with ‘Suckerspheres’, a natural alternative to the plastic micro-particles that are still frequently…

Leiden University celebrates its 444th anniversary in 2019, and a special age requires a special logo. The logo for the celebration was designed by Clara Lezla, a student at the Royal Academy of Art The Hague.

In our European and International Business Law Advanced Master programme, you learn to decipher the hierarchy of European & international business law

In the programme, we will prepare you for your career. We provide you the knowledge and professional skills to practice public international law.

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…

The programme International Criminal Law at Leiden University prepares you for a succesful career. Read more about our career preparation activities

First held in 2013, the Europa Lecture is an annual lecture organised by the Europa Institute of Leiden Law School. It provides leading thinkers, scholars and politicians with a platform to share their views on questions of European integration with the academic community and wider public.

Dr Nadine Akkerman, lecturer in Early Modern Literature and postdoctoral researcher in Leiden, has written a new book to accompany the exhibition on Elizabeth Stuart and Amalia von Solms at the Historical Museum of The Hague. ‘They were like goddesses, constantly trying to upstage one another,’ says…

In the ICCL programme we will provide you with the skills to work in as a legal professional in a global legal environment. Read more about career preparation.

What are the possibilities after completing the ICCL programme? We will tell you more about the career prospects in the international legal practice

The fifth Owada Chair Symposium provided an opportunity for new-generation researchers from the participating universities to present their ongoing work to each other.

The Rt. Hon. the Lord Mance, Judge at the Supreme Court of the United Kingdom delivered the Europa Lecture on 29th September 2016 in the Grand Auditorium of the Academy Building at Leiden University. The lecture was entitled: “Jurisdiction, judgments and proper law relating to states outside the Brussels…

Recently, the German Federal Constitutional Court (Bundesverfassungsgericht) issued its second preliminary reference to the Court of Justice of the European Union. Following its earlier reference on the European Central Bank’s bond buying programme Outright Monetary Transactions, the German court now…

Christa Tobler, Professor of European law, attended and spoke on the implications of the UK Supreme Court’s ruling for EU non-discrimination law in the case For Women Scotland Ltd (Appellant) v The Scottish Ministers (Respondent) in London.

The activities of the Europa Institute (also known as the Department of European Law) are supported by ‘Stichting Europees Instituut’. This foundation was the first of its kind in both the Netherlands and Europe as a whole. Established in 1957, its aim was to ‘support and advance the study of scientific…

Environmental organisation Greenpeace wants to see a drastic reduction in nitrogen deposition on the Netherlands’ most vulnerable nature conservation areas. This would extend beyond the nitrogen targets that the Dutch government is currently striving to meet. Rogier Kegge, Assistant Professor of Constitutional…

On 30 October 2017, the current class of students of the advanced LL.M. programme International Children’s Rights visited the International Criminal Court in The Hague.

Maarten Feteris, the former president of the Court of Appeal and an alumnus of Leiden University, composed the piece ‘Intermezzo’ to mark the transfer of the rectorate during the Dies Natalis on 8 February 2021.

This book by Dirk Jacob Jansen traces the career of Jacopo Strada (Mantua 1515-Vienna 1588), examining his role at court in Vienna, where he served as Imperial architect and antiquary. Strada’s career was unusually wide in scope and cosmopolitan in outlook even for a Renaissance artist.

Are international courts effective? Dr Fatou Bensouda, a former Lead Prosecutor of the International Criminal Court in The Hague (ICC), will discuss this issue during her lecture at the Owada Symposium 2025. The ICC’s efficacy depends on the actions of its member states, she says.

On 29 June 2017, Carl Mair defended his PhD dissertation “Taking Technological Infrastructure Seriously”. The supervisors are Professor A. Schmidt and Professor G.J. Zwenne.

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.

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.