One week ago a group of Dutch men were attacked out of the blue by another group of Dutch tourists on the Spanish island of Mallorca. One of the victims later died as a result of his injuries. The Spanish police know who the suspects are, but those men are in the Netherlands.

How to explain the apparent high success rates of the EU infringement procedures, which are the major tools for enforcing EU law, against the member states?

The suspects of the fatal assault on Mallorca will be investigated in the Netherlands. If the Dutch Public Prosecution Service sees sufficient reason to prosecute the suspects, then a Dutch court will consider the case.

Detecting and combatting crime is becoming increasingly complex. Security is high on the national and international agenda. The master’s programme Crime and Criminal Justice in Leiden provides the skills to face these challenges.

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.

Dr. Gruni published an article on the impact on sustainable development in the EU Common Commercial Policy of recent Opinion 2/15 CJEU on the Global Trade and Customs Journal.

Homicide engenders broad moral concerns in society, and its aftermath can be understood as a barometer for criminal justice policy. Of all homicides committed, however, only some lead to arrest, to prosecution and ultimately to conviction in court.

Just published: European Banking and Financial Law Statutes Published by Routledge

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’).

International organisations face the challenge of balancing conflicting norms. For instance the norms governing traditional UN peacekeeping missions and the the norm of international criminal accountability. Political scientists Tom Buitelaar (Leiden University) and Gisela Hirschmann (Leiden University)…

Bringing together the most current research on the relationship between crime and gender in the West between 1600 and 1914, this authoritative volume places female criminality within its everyday context.

On 25 March 2021 this online seminar will be held from 10.15-12.00 at Örebro Universitet in Sweden. Jannemieke Ouwerkerk, Professor of European Criminal law at the Institute of Criminal Law and Criminology at Leiden University, will be one of the speakers at this seminar. Information about registration…

On 23 February 2022, Cale Davis defended the thesis 'Prosecutorial Discretion in International Criminal Justice'. The doctoral research was supervised by Prof. C. Stahn en Dr. J.C. Powderly.

The second and final report on the Netherlands‘ crime-terror nexus has analysed all fourteen profiles of individuals arrested in 2015 for offences of terrorism.

In August 2018, the fourth edition of the teaching and learning materials

Patrick van der Meij has been appointed Professor of Criminal Law Practice at the Institute of Criminal Law and Criminology from 1 January 2024. This is an Endowed Chair established by the Professor A. E. J. Modderman Foundation, which is affiliated with Leiden University in order to boost research…

Just a week before Eurojust announced its participation in joint operation “Pollino”, one of the biggest joint investigations to date, a group of 20 students of the Master in European Law, visited the headquarters of Eurojust in The Hague.

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

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 increase in the European Union's executive powers in the areas of economic and financial governance has thrown into sharp relief the challenges of EU law in constituting, framing, and constraining the decision-making processes and political choices that have hitherto supported European integration.…

European labour law has an unmistakable influence on national law. This applies even more to the case-law of the Court of Justice of the European Union (CJEU), as it has implications for the application of European law in the Member States and with it the interpretation of national law. Collected Cases…

Just published: United in incoherence – Private law concepts under pressure from European financial law (in Dutch), in: Tijdschift voor privaatrecht 2017-4

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

In its broadcast of 28 April 2019, TV programme Medialogica (Human) looked at television programme Ontvoerd (Abducted). Leiden professors Mariëlle Bruning and Jannemieke Ouwerkerk contributed to the broadcast.

Is criminal disenfranchisement compatible with a democratic political order? This article considers this question in light of a recently developed view that criminal disenfranchisement is justified because it expresses our commitment to democratic values.

Our Master Law in European and International Human Rights Law (LL.M.) looks at the various human rights protection mechanisms from a comparative perspective

On December 5, a group of thirty students of the Master in European Law visited the headquarters of Eurojust in The Hague.

What Determines Perceptions of Bias toward the International Criminal Court? Evidence from Kenya. In this article, published on the website SAGE Journals in the Journal of Conflict Resolution, the authors Geoff Dancy, Yvonne Marie Dutton, Tessa Alleblas, Eamon Aloyo examine the attitude towards international…

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

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

The Faculty of Law has five institutes:

On 19 juni 2018 Matthew Gillett defended his doctoral thesis ‘Prosecuting environmental harm before the international criminal court’. His supervisor is prof. dr. L.J. van den Herik.

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.…

Are you interested in current affairs, developments in society and people? Are you highly motivated, willing to be challenged and able to go just a bit further in finding creative solutions to legal issues, then Rechtsgeleerdheid is the master’s programme for you.

How should European financial law best integrate considering the interaction of the relevant legal systems?