On Tuesday 19 December 2017 Anneloes Kuiper-Slendebroek defended her doctoral thesis 'Rechter over Grenzen' which deals with the application and interpretation of international law in Dutch private law. Supervisor is Martijn Polak, co-supervisor is Jeroen van der Weide.

We are pleased to invite abstracts for a conference on ‘Counterclaims in International Law’ to be held at Leiden University on 27 June 2024, in collaboration with Queen Mary University of London.

The Frits Kalshoven International Humanitarian Law Competition, organised by the Netherlands Red Cross and Belgian Red Cross-Flanders, lets students explore the legal framework governing armed conflict. Eight teams from Belgium and the Netherlands competed in the 19th edition (23–27 February 2026) in…

From 29 to 30 October 2024, the Kalshoven-Gieskes Forum (KGF) and the Grotius Centre for International Legal Studies had the pleasure of hosting an inspiring authors’ workshop in The Hague for the forthcoming Research Handbook, Victims' Rights under Public International Law, edited by Dr Robert Heinsch…

To maximise your personal development, we ensure tutorials are small-scale and staff members extremely accessible. In year one, you’ll have an average of 12 contact hours, half of which comprise lectures (in English) and the remainder tutorials (optionally Dutch or English).

On 7 November 2018, Catherine Harwood defended her thesis 'Navigating Between Principle and Pragmatism: The Roles and Functions of Atrocity-Related United Nations Commissions of Inquiry in the International Legal Order'. The doctoral research was supervised by Prof. dr. L.J. Van den Herik and Prof.…

It is difficult to hold international organisations (IOs) accountable for human rights violations. Gisela Hirschmann (Institute of Political Science, Leiden University) introduces the concept of pluralist accountability, whereby third parties set the standards for IOs’ actions in relation to human rights,…

On 3 March 2022, Cambridge University Press published An Introduction to Public International Law, a co-authored textbook led by Cecily Rose.

On Monday, 18 January 2016 the Grotius Centre for International Legal Studies hosted a roundtable on the practice, process, strategy and impact of the amicus curiae in international criminal trials.

Reasserting America in the 1970s brings together two areas of burgeoning scholarly interest.

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.

Promoting academic equity for students with ADHD through evidence-based accommodations and inclusive teaching methods in higher education.

In the heart of The Hague stands the Peace Palace, home to one of the most important courts in the world: the International Court of Justice. PhD candidate Joris van de Riet spoke to 'Het Klokhuis' about the role of the Court.

On 30 June 2016, Eesa Fredericks is expected to defend his Ph.D.-thesis ‘Contractual Capacity in Private International Law’ in Leiden. Supervisors are prof. Sierd J. Schaafsma (Leiden) and prof. Jan Neels (Johannesburg).

The main aim of the project is to collect and update on a regular basis bibliometric and patent indicators that can be used to underpin and inform analyses pursued at the European Commission (EC) to assess European and national scientific and technological performance.

In 2024, Nikos Lavranos (who teaches arbitration law in the EIBL Adv LLM programme) and Stefano Castagna (researcher at the Vienna University of Economics and Business, Austria) together as editors published the 2nd edition of their acclaimed volume on 'International Arbitration and EU Law' (Edward…

How do plant defense genes get activated?

The Farm to Fork Strategy seeks to transform the EU food system towards greater sustainability. To do this, Vincent Delhomme argues, some of the traditional concepts and doctrines in EU internal market law need to be challenged and rethought.

The Grotius Centre for International Legal Studies & The Kalshoven-Gieskes Forum on International Humanitarian Law cordially invite you to a Panel Discussion on “The Dynamics of the Syria Conflict: Challenges for Contemporary International Law” .

Between 11 and 13 September 2025, the ESIL Annual Conference took place in Berlin, Germany. This year's conference unfolded on the theme 'Reconstructing International Law', attracting an unprecedented number of legal scholars from all over the world.

A political-legal study of rights invocation by pollution victims in China and Indonesia

Marc Koper, Professor of Catalysis and Surface Chemistry, has been elected as President Elect of the International Society of Electrochemistry (ISE). He will be President Elect for two years starting January 2019, followed by two years as President and two years as Immediate Past President.

The UN is highly critical of the Netherlands over the effect of its Work and Income (Capacity for Work) Act (WIA). Contrary to agreements, workers who are less than 35% incapacitated for work receive no benefits and the income of their partner is taken into account when they apply for welfare benefits.…

The ongoing conflicts between the United States and its allies and Russia and between the United States and its allies and China reflect both the anarchical nature of the international system and the uncertainty with which decision-makers and diplomats have to deal with in attempting to solve the conflicts…

Marc Koper has been selected as one of the six new fellows in 2015 of the International Society of Electrochemistry.

Dr. Cecily Rose, Associate Professor at the Grotius Centre for International Legal Studies, has appointed by the Dutch Government to the Advisory Committee on Public International Law, with effect as of 1 January 2025.

The UN International Law Commission was established soon after the Second World War with the mandate to promote the progressive development of international law and its codification. It is a subsidiary organ of the UN General Assembly.

Professor Eric De Brabandere has been appointed as the new Director/Head of Department of the Grotius Centre for International Legal Studies, succeeding to Professor Nico Schrijver who has led the Centre for more than 12 years. Eric De Brabandere holds the chair of international dispute settlement law…

Valentina Carraro explores the relationship between overlapping UN human rights institutions, specifically the treaty bodies and the Universal Periodic Review (UPR)

On 31 January 2025, Leiden University participated in the Dutch National Rounds of the 2025 Philip C. Jessup International Law Moot Court Competition, the world’s oldest and largest moot court competition, featuring more than 800 teams from over 100 countries and jurisdictions.

Over the past two centuries, the concept of human dignity has moved from the fringes to the centre of the international legal system. This book is the first single-authored detailed historical, theoretical and legal investigation of human dignity as a normative value, the intellectual sources that shaped…

Leiden University’s Department of Labour Law and Social Security is proud to announce that the International Labor Rights Case Law Journal (ILaRC) is set to publish its tenth volume this year. A valuable initiative of Paul van der Heijden, Emeritus Professor at the Department of Labour Law and former…

On 27-29 October 2021, the ERC Project PASSIM (Patristic Sermons in the Middle Ages, Radboud University Nijmegen) will organize the International Workshop On the Way to the Future of Digital Manuscript Studies. Deadline for submission: 10 May 2021.

Dr Amy Strecker has recently been awarded a LGI BREED grant to develop her project on property and spatial justice in international law. Building on her previous research into landscape protection from cultural heritage, environmental and human rights perspectives, Amy will combine legal analysis with…