Students of the Advanced MSc in International Relations and Diplomacy visited the OPCW and ICJ in The Hague, gaining insights into key international organisations.

On 12 and 13 September 2019, the Institute of Tax Law and Economics from Leiden University hosted 29 PhD researchers from around the world to engage into collective discussions at the Multilateral Cooperation in International Tax Law seminar.

In this article, Sophie Vériter examines the EU’s unprecedented ban on Russian state media following the invasion of Ukraine, using securitisation theory

On 12 September 2019, Judge Chile Eboe-Osuji, President of the International Criminal Court (ICC), delivered a lecture on Customary International Criminal Law and Head of State Immunity to open the academic year for the Advanced LL.M. Programmes in Public International Law & International Dispute Settlement…

The newly created European Law Unbound Society (ELU-S) held its inaugural conference on 25-26 September 2025, at the Charles University in Prague. Vincent Delhomme presented a paper and chaired a panel, both dealing with contemporary challenges in EU internal market law.

Dr Robert Heinsch and his team of IHL Clinic researchers at the Kalshoven-Gieskes Forum on International Humanitarian Law have won a prestigious Erasmus+ grant for cooperation partnerships in higher education in cooperation with the IHL Clinics at Ruhr-University Bochum (Germany) and Roma Tre University…

Psychologen laten zich horen over de plannen om de internationale bacheloropleidingen op te heffen in de Randstad en Tilburg. Het inititatief #Ikbeneenpsycholoog van Judith Schomaker op LinkedIn vindt navolging. Lees een selectie van de posts en ook het blog van Eiko Fried over de consequenties.

The Grotius Centre for International Legal Studies is offering two internships on a full-time basis in spring 2020.

On 29 January 2018, the new “Arbitration of International Disputes” MOOC (massive open online course), taught by Prof. Eric De Brabandere and Dr. Giulia Pinzauti, will start on Coursera.

The Advisory Committee on Public International Law (Dutch abbreviation CAVV) is an independent body which provides the government and parliament of the Netherlands with advice, both solicited and unsolicited, on issues related to public international law.

The European Society of International Law (ESIL) awarded its 2020 Book Prize to Daniel Peat, an Assistant Professor of Public International Law at the Grotius Centre for International Legal Studies at Leiden Law School. The ESIL Book Prize is awarded annually 'for an outstanding published work in the…

The opening of the Service Centre for International Staff on 19 January signals a higher level of support for international staff. The Service Centre in the main administration building at Rapenburg 70 will be open every morning, ready to answer any questions.

In the master’s programme in Archaeology, you can follow courses on the archaeology of Europe, deepening your understanding of the continent’s long history.

The Faculty of Science has multiple study associations, which organise both study-related and social activities for students.

The International Reynard Society studies the role of animals in the European literature of the Middle Ages and its afterlife. It focuses especially on beast epics, fables, and fabliaux. The 24th international colloquium of the Society – Of Foxes and Fish: Interdisciplinary Approaches to Medieval Animal…

In October, Sophie Starrenburg was elected as a member of the Coordinating Committee of the ESIL Interest Group on the International Law of Culture. She will work alongside Giovanni Carlo Bruno (Italian National Research Council), Andrzej Jakubowski (Polish Academy of Studies), and Lucas Lixinski (University…

Eric De Brabandere, Professor of International Dispute Settlement, and Director of the Grotius Centre for International Legal Studies has just published the 7th Edition of the handbook Merrill’s International Dispute Settlement. The previous editions of this seminal handbook were authored by the late…

Over fifty international students celebrated last Christmas at the homes of staff or students of Leiden University. As part of the Holiday Hosting Programme, the students were invited for Christmas dinner.

Carsten Stahn has just published Confronting Colonial Objects: Histories, Legalities and Access to Culture. The book is part of the OUP Cultural Heritage Law and Policy Series.

Utrecht University and Université catholique de Louvain organize a workshop (1 February 2023, Utrecht) on good governance in the late-medieval city (1200-1600). This workshop invites researchers from different disciplines (history, literary studies, history of art and architecture, political philosophy,…

We are glad to present our new research report on Exploring the Frontiers of International Law (EFIL). International Law has traditionally been one of the flagship areas of the Leiden Law School. The report provides a taste of our rich research agenda in international law.

On 1 and 2 September, colleagues of Leiden Law School participated in the very first International ELS Conference, organised by the ELS Academy in Amsterdam.

Violence during war often involves upswings and downturns that have, to date, been insufficiently explained. Why does violence at a particular point in time increase in intensity and why do actors in war decrease the level of violence at other points? Duyvesteyn discusses the potential explanatory variables…

On Wednesday 19 October 2022, the graduation ceremony for the International Relations MA programme took place. In the Teylerszaal of the Academy Building, the cohort of Master's students received their diploma.

If you're in Leiden this week, you can't miss the large groups of international students exploring the city. The Orientation Week Leiden (OWL) - the twice-yearly introduction week for international students - started on Tuesday 24 January, this time with more than 400 new students. ‘Every second building…

Valentina Carraro presented her paper at the workshop ‘Collective agency of international institutions’, University of Bamberg, 6-7 October 2022.

Professor Bob Wessels has published a bibliography of International Insolvency Law as per January 2015. This document is an update of the 2011 bibliography and comprises sources of some 15 countries.

Out of sight of national parliaments, the European Union takes decisions that have a far-reaching effect on the lives of citizens. Professor of International Governance Kutsal Yesilkagit calls for more thorough research on how cross-border forms of governance work and how politicians direct their civil…

Professor Isabelle Duyvesteyn will be the new programme chair of International Studies. As of 1 September, she will be at the helm of the largest programme of the Faculty of Humanities.

This workshop aims at fostering and promoting the exchange of ideas on how to edit late antique and early medieval texts (mostly Latin texts, but without excluding possible extensions to the Greek field). Young scholars in particular are encouraged to present case-studies and share the editorial problems…

Leiden Law School and the Grotius Centre for International Legal Studies are very pleased to announce that Dr. Mamadou Hébié will be re-joining the Grotius Centre on the 1st of May 2021.

Waarom is empirisch-juridisch onderzoek van belang voor de rechtspraktijk en het wetenschappelijke onderzoek? Op die vraag kregen masterstudenten van de afstudeerrichtingen civiel recht, ondernemingsrecht en financieel recht antwoord tijdens het congres over empirisch-juridisch onderzoek en het privaatrecht…

Cambridge Studies in International and Comparative Law

From 24 to 27 January international students learn all about Leiden during the Orientation Week Leiden (OWL). On Wednesday, Leiden Science welcomed 60 new students from across the world, who are starting their master’s programme in February. The students were given the opportunity to meet their fellow…

Legitimacy is generally a term that is associated with the state. The term surfaces when there are problems with state legitimacy—when it is lacking or absent. This present volume attempts to think through the relevance of the concept of legitimacy for other political actors than the state.

On Monday 30 May 2016, the Assistant High Commissioner for Protection at UNHCR, Mr. Volker Türk, delivered the Keynote Address at the Advanced Course on International Criminal Justice, Migration and Human Trafficking at the Peace Palace in The Hague.

Schrijf je een paper, scriptie of proefschrift over een boekhistorisch onderwerp? Of ken je studenten die boekhistorisch onderzoek doen? De Nederlandse Boekhistorische Vereniging (NBV) nodigt studenten en promovendi van harte uit om een poster over hun onderzoek te presenteren op het jubileumcongres…

If you are new to Leiden, it might be a good idea to join one of its many student associations. You’ll quickly get to know people and build up a network that will continue to prove its worth long after you’ve graduated from your master’s.

Leiden is bursting with student associations, from sports to music associations and from social to cultural associations. And this is good news because they will help you make more than just friends.