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.

On 22 June, Najib Amin defended the thesis 'State-building, lawmaking, and criminal justice in Afghanistan: a case study of the prison system’s legal mandate, and the rehabilitation programmes in Pul-e-charkhi prison'. The doctoral research was supervised by Jan Michiel Otto and Pauline Schuyt.

If your employer or another organisation is paying for you, an invoice can be arranged. The contact person of your organisation has to fill in the company details.

This PhD dissertation examines international responsibility for the crime of aggression from a public international law perspective. Under customary international law, as well as the amendments to the Rome Statute of the International Criminal Court adopted in the Review Conference in Kampala in 2010,…

On this page you can find out more about applying for a PhD position at the Faculty of Humanities.

Promotor: G.A. van der Marel, Co-Promotor: J.D.C. Codée

Learn how to apply for the MSc International Politics at Leiden University: step-by-step procedure, submitting documents via Studielink, and follow-up guidance.

Learn how to apply for the MSc International Organisation at Leiden University, including steps for submitting your documents, using Studielink, and following up.

Follow the step-by-step application procedure for the MSc Dutch Politics at Leiden University: start with Studielink, proceed via uSis, submit your request, and register once admitted.

The practice of the application of pre-trial detention in the Netherlands raises questions in light of the jurisprudence of the European Court of Human Rights and must be adjusted.

A punishment that fits the crime is the cornerstone of the rechtsstaat or constitutional state. But opinions differ greatly on what constitutes a just and effective punishment. Research by Leiden University provides politicians, legislators, law enforcers and the public with new information and insights…

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.…

Professor of Criminal Law Marc Kessler proposes starting an experiment in criminal law cases: replacing parts of police interview reports with an audio-visual recording. His inaugural lecture is on 28 October 2016.

The Department of Child Law and Health Law is a knowledge centre dedicated to academic research and education for both students and professionals in two fields: child law (and children's rights) and health law.

In this dissertation (titled: Exploring the Synergies between Transfer in Reinforcement Learning and Procedural Content Generation) we explore how the two research fields named in the title, namely Transfer in Reinforcement Learning (TRL) and Procedural Content Generation (PCG) can synergize togethe…

The study of tax law covers the tax system in its full width. It includes domestic, international and European tax law.

On 21 January 2021, Fachrizal Afandi defended his thesis 'Maintaining Order: Public Prosecutors in Post-Authoritarian Countries, the case of Indonesia'. The doctoral research was supervised by Prof. A.W. Bedner and Prof. J.H. Crijns.

The programme structure of the specialization International Criminal Law can be found on this page. The programme consists of several courses.

Miriam Cohen defended her PhD dissertation entitled “Reparations for International Crimes and the development of a Civil Dimension of International Criminal Justice” on 28 June 2017. She wrote her thesis under the supervision of Professor L.J. van den Herik and Professor C. Stahn.

The Faculty of Law

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?

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 Department of Child Law and Health Law is a knowledge centre dedicated to academic research and education for both students and professionals in two fields: child law (and children's rights) and health law.

The aim of the Standard Operating Procedures for Research Integrity (SOPs4RI) project was to promote excellent research and a strong research integrity culture that aligns with the principles and norms of the ‘European Code of Conduct for Research Integrity’, and to counter research misconduct. The…

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’).

Our Master Public International Law (L.L.M.) you will gain understanding of the legislation that governs international relations in a complex global society

Discover the application procedure for the MSc Democracy and Representation at Leiden University: step-by-step guidance, submitting required documents, and what happens after you apply.

Latif Fauzi defended his thesis on 18 May 2021.

Together with Prof. Barbara Graham-Siegenthaler, Christa Tobler has contributed a chapter to a liber amicorum for Prof. Sebastian Heselhaus of Lucerne University (Switzerland). The subject of the chapter are the European Union’s private international law rules in the field of inheritance as laid down…

This book presents concrete solutions for managing the legal risks distorting the development of various areas of EU law. It pursues an innovative and effective approach to identify legal risks, their causes at the EU level and their impacts on the functioning of the Union and its Member States. It…

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…

Many adults and juveniles who are in prosecuted in criminal courts also have financial problems. This applies to almost one third of probation cases and around 60% of all prisoners.

Is private law ready for the challenges of our time?

Mental health issues in the Dutch court: The criminal court as a border guard between the regular Mental Health System and the Criminal Justice system?

How can international investment law and arbitration take account of the public interest in, and more broadly, the public dimension of, the relations between foreign investors and host States ?

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)…

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.

On 18 September 2019, Huw Llewellyn defended his thesis 'An Institutional Perspective on the United Nations Criminal Tribunals: Governance, Independence and Impartiality'. The doctoral research was supervised by Prof. N.M. Blokker and Prof. L.J. van den Herik.

The center studies the many ways in which issues of law and justice are dealt with in art and literature with a focus on liminal issues and cases. These are issues and cases where law comes to the limits of what it is capable of dealing with and art and literature explore the implications of what is…

The faculty has around 650 employees, academic and administrative staff. More than 325 of these are involved in teaching. Together they make Leiden Law School what it is today: a faculty driven by its research and enriched by its teaching.

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.

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…