The Leiden University Team became the runner-up at the finals of the 42nd Edition of the Telders International Law Moot Court Competition, which was held at the International Court of Justice at 25 May.

How politically sensitive cases affect public trust in judges

From 20 to 23 June 2024, the prestigious Hugo Sinzheimer Moot Court Competition took place in Vienna. Students from Leiden Law School also participated.

From Thursday 14 to Sunday 17 June the Hugo Sinzheimer Moot Court Competition took place in Cassino, Italy. During this moot court, in the field of European employment and labour law, thirteen teams acted as lawyers in front of a special court composed of professors, judges and lawyers.

A team of students from the Advanced LL.M. in Air and Space Law represented Leiden University at the Manfred Lachs Space Law Moot Court Competition. The European regional rounds of the competition took place at the headquarters of the European Space Agency in Paris, France from 1 to 3 April 2025 and…

The annual Hugo Sinzheimer Moot Court competition took place in Bratislava, Slovakia, from 19 to 21 June 2025. Twelve student teams from various European countries took part in the labour law moot court competition.

The Manfred Lachs Space Law Moot Court competition was held in Vienna between 8 and 12 April 2024. This event was organised by the European Centre for Space Law in collaboration with the University of Vienna. The team comprised David Eagleson, Solène Flambeaux and Aleksandra Spyra, current students…

Andrea Giolai defended his thesis on 3 May 2017.

On 3 June 2016, Prof. Carsten Stahn participated in a Panel at the Graduate Institute on International and Development Studies in Geneva on accountability as a common goal between The Hague and Geneva.

From Monday 7 to Friday 11 June 2021, the fourth (virtual) edition of The Children’s Rights Moot Court Competition takes place.

On 29 and 30 January, The Grotius Centre for International Legal Studies hosted the Dutch Qualifying Round of the 2019 Philip C. Jessup International Law Moot Court Competition.

The International Institute of Air and Space Law was delighted to host the 14th edition of the Leiden-Sarin International Air Law Moot Court Competition – for the first time – in Leiden! After three years of online mooting owing to the pandemic, this year’s competition was held again in person.

This book presents the results of a research about the Islamic courts of Cianjur in West Java, and Bulukumba in South Sulawesi and the role they play in local divorce practices.

From 18 to 20 May, the Telders International Law Moot Court Competition, organised by the Grotius Centre for International Legal Studies, welcomed 23 European teams to The Hague. The preliminary rounds took place at the Schouwburgstraat building of Leiden University, Campus The Hague. On Saturday 20…

How did rulers in the Netherlands and in adjacent smaller German territories adapt their regimes to ongoing change in legitimacy and decision-making during the transition period 1780-1820?

On 3 December 2019, Meda Couzens defended her thesis 'The application of the United Nations Convention on the Rights of the Child by national courts'. The doctoral research was supervised by Prof. T. Liefaard and Prof. J.J. Sloth-Nielsen.

Recently, Ingrid Leijten’s book Core Socio-Economic Rights and the European Court of Human Rights was published with Cambridge University Press. The monograph was published in the series Cambridge Studies in European Law and Policy (edited by Laurence Gormley and Jo Shaw) and deals with the protection…

The International Criminal Court’s response to contestation by African states parties

This project examines the meaning of this historical place, and the way it has been used by the political institutions that have had their seat there.

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…

Jasmina Mačkić, Assistant Professor of Human Rights Law at the Europa Institute, has published her book, Proving Discriminatory Violence at the European Court of Human Rights. This work is based on her doctoral dissertation, which she defended in May 2017 and which was funded by the Netherlands Organisation…

The central aim is to systematically study differences in gendered crime patterns in the records of different types of courts in various Dutch cities in the early modern period.

The Europa Institute is proud to announce that Leiden University has won the prize for Best Written Memorials at the 2014/15 European Law Moot Court Competition (ELMC) Final in Luxembourg!

Three teams of students from the European Law Master (LLM) and the Advanced LLM in European and International Business Law (EIBL) participated in this year’s edition of the European Law Moot Court (ELMC). All teams worked intensively between September and November to submit written pleadings. Two of…

This course explains the functions of each international court and tribunal in The Hague. On the basis of cases and interviews with judges and lawyers, this course explores the role of these courts and tribunals and their potential to contribute to global justice.

At two recent events, Ben Van Rompuy, Assistant Professor of competition law at the Europa Institute in Leiden, discussed current developments in the application of EU competition rules to regulatory aspects of sport.

Leiden University's team participated in the 2023 edition of the Day of Crisis Competition and emerged as Second Runners Up to the Best Team Award and Second Runners Up to the Best Written Advice Award.

Anthropology of Law in Muslim Sudan analyses the hybridity of law systems and the plurality of legal practices in rural and urban contexts of contemporary Sudan, shedding light on the complex relation between Islam and society.

On 1 February 2018 Charlotte Vrendenbarg defended her PhD dissertation

Ben Van Rompuy was a guest speaker at the 138th Lunch Talk of the Global Competition Law Centre (College of Europe), which took place in Brussels on 15 January 2024.

Promotor: Prof.dr. P.G.L Klinkhamer

Advanced LL.M. European and International Human Rights Law and LL.M. European Law students won one of three regional rounds of the Helga Pedersen Moot Court Competition in Athens, qualifying automatically for the final rounds at the European Court of Human Rights in Strasbourg.

On 23 juni 2019, Zygimantas Juska defended his thesis 'The Role of Collective Redress Actions to Achieve Full Compensation for Violations of European Union Competition Law'. The doctoral research was supervised by Prof. dr. T.R Ottervanger.

Ben Van Rompuy participated as an invited expert in the 22nd Annual Meeting of the Association of European Competition Law Judges (AECLJ), which took place in Berlin between 30 May and 1 June 2024. The event was co-organised by the European Commission.

The Hague Diplomacy Podcast aims at bringing the themes of the journal's research off the page, and onto the discussion table. Each episode will feature a guest who will share their insights and personal experience within their practice of or research on diplomacy. Available via SoundCloud, Apple Podcasts…

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.

From March 28 to 31 twelve student teams from different countries visited Leiden to participate in the second edition of the Children’s Rights Moot Court. They were invited to plead an interesting and challenging immigration law case.

On 10 January, Ben Van Rompuy spoke at the New Year's meeting of the Dutch Competition Law Association in Amsterdam.

On 10 October 2018 Maarten Aalbers presented his PhD chapter on the application of state aid law to the professional sports sector at the 8th International PhD Students' Conference on Competition Law at the University of Bialystok.

In this project diverse aspects of the duchesses’ roles in the complex and dynamic relations between town and crown are studied on the basis of systematic research in the account books of four cities (Ghent, Bruges, Leuven and Mechelen) in the Burgundian Netherlands (ca. 1430-1503).

How can we deal with today’s global challenges in sustainable, peaceful, fair, democratic, and effective ways? How can global events such as geopolitical shifts, ecological changes, technological innovations, and pandemics be better governed? Addressing these complex questions requires innovative, multidisciplinary…

Lecture, Studium Generale

Every year, the Netherlands Red Cross and Belgian Red Cross-Flanders organise the Frits Kalshoven IHL Competition. This competition aims to provide students with an opportunity to practically engage with IHL, the rules that govern the conduct of war, by attending expert lectures and workshops, engaging…