In important cases before the Court of Justice of the European Union (ECJ) in Luxembourg, judgments are preceded by an Opinion of an advocate general. These Opinions are not binding on the Court, but are highly influential in practice.

The individual in the EU: The application of insights from social psychology to improve the legitimacy and conflict-solving capability of the EU

What is the current situation of human rights in relation to detention under criminal law and immigration law, now that more and more parties are becoming involved in the administration of detention and crimmigration is on the rise? PhD defence on 21 January 2020.

The sentencing decision of the judge might be the most important decision in the criminal proceedings, not only because of the impact the punishment has on the offender, but also because the sentencing decision is a cornerstone of the legitimacy of the entire criminal justice system.

On 25 November 2020, Sara Arendse defended her thesis 'De uiterlijke verschijningsvorm in het strafrecht'. The doctoral research was supervised by prof. C.P.M. Cleiren and prof. J.M. ten Voorde.

Trust in public institutions in the Tata Steel case and beyond

Complaints against decisions not to prosecute in socially sensitive issues.

My current research focuses on criminality and gender interactions in nineteenth-century Europe. This project uses a comparative methodology to explain gender constructions in a criminal and in a court setting.

On 18 December 2019, Marianne Lochs defended her thesis 'Contempt of court'. The doctoral research was supervised by Prof. C.P.M. Cleiren and Prof. J.H. Crijns.

Please contact us if you have any questions about the programme Public International Law and the specialisation International Criminal Law.

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.

Between 18 and 29 March 2024, a group of 28 civil servants and policymakers from pre-accession countries participated in the Matra Rule of Law Training Programme on the Management of Borders. This event was organised and hosted by Leiden University at its campuses in Leiden and The Hague.

To assess the impact of illicit firearms trafficking on gun violence, this research looks at the scope, characteristics and contexts of firearm violence, and also the scope and nature of firearms trafficking in Europe since the new millennium. Nils Duquet, Dennis Vanden Auweele and Marieke Liem created…

The Institute for Philosophy at Leiden University is host to the NWO programme,

Can Russia be prosecuted for war crimes against Ukraine? The International Criminal Court does not have this jurisdiction. To fill this void in jurisdiction, a new commission has been created: an International Centre for the Prosecution of Crimes of Aggression, the ICPA.

On Sunday 31 January 2016, Prof. Carsten Stahn spoke at the IBA Annual Conference on International Criminal Law.

The Grotius Centre Working Paper Series is an occasional series through which researchers in the Grotius Centre can publish the unedited versions of manuscripts that have been accepted for publication by journals and books.

Social resilience and security has never been more important. Over the last 2 years, the COVID-19 pandemic has created a considerable disturbance to our personal and social lives. As a result, the general population reports more stress, loneliness and decreased quality of life. At the same time, there…

On behalf of the Dutch Research and Documentation Centre (WODC), Mark Klaassen and Peter Rodrigues, both from the Europa Institute, conducted research on the procedure of imposing immigration detention on foreign nationals who have to return to their country of origin.

How were war heroes and war criminals created, and how do these images relate to the historical context?

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.

International prosecutors, for instance at the International Criminal Court in The Hague, investigate particularly serious crimes such as genocide. They decide, among other things, whether or not to prosecute. PhD candidate Cale Davis investigated how prosecutors come to such decisions and will defend…

On Tuesday 17 October 2017 Alexandre Genest defended his PhD dissertation ‘Performance Requirement Prohibitions in International Investment Law’ as part of a double PhD programme at the Universities of Leiden and Ottawa. The Supervisors are Professors M.E. Koppenol-Laforce. F. Baetens (Universities…

Adv. LL.M. Students visit the International Criminal Court

Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.

Leiden University won five prizes at the 10th edition of the IBA International Criminal Court (ICC) Moot Court Competition – English edition of 2023, including Best Regional Team of Europe.