The Institute of Tax Law and Economics at Leiden Law School has three departments: the Department of Tax Law, the Department of Economics and the Department of Business Studies. The Institute brings together research and teaching at the point at which, on the one hand, law and, on the other, fiscal…

The International Institute of Air and Space Law is one of the leading international academic research and teaching institutes in the world, specialising in legal and policy issues regarding aviation and space activities in the broadest sense of the word.

The Summer School on International Humanitarian Law is designed by the Grotius Centre Kalshoven-Gieskes Forum on International Humanitarian Law.

This project aims to answer legally relevant questions in the field of consumer law by means of empirical research.

With regard to governance, policies and law, many Muslims and Muslim countries recognise the possibility that Islam has something important to say about the way society is to be ordered, governed, and regulated.

Leiden University’s Master of Laws in Advanced Studies in International Financial Law (L.L.M.) examines the complex, international and multidisciplinary area of law and finance: markets, regulation and a sustainable society.

‘Who will succeed Frans Timmermans in Brussels?’ is the title of the article in Dutch financial newspaper Financieele Dagblad (FD). Various candidates have been reviewed and all are contenders. But a female candidate may still have an advantage, believes Luuk van Middelaar, Professor of Foundations…

The number of cases of coronavirus in the Netherlands is on the rise. Some mayors are now calling for measures that are more far-reaching than those at present. For example, they want it to be possible to enforce measures behind the front door. Would that be allowed?

Recent insolvency cases highlight the growing importance of cross-border insolvency matters in international transactions. To this end, many instruments have been introduced and implemented in recent years across the world. At this page we present a selection of relevant instruments in the field of…

Just published: European Banking and Financial Law Statutes Published by Routledge

Leader in law and technology education and research since 1985.

Indonesia’s labour law regime has changed profoundly since 1998, reflecting the sweeping social and political developments that followed Soeharto’s fall from power.

On 9 October, Corné Smit defended his doctoral thesis, 'Minority governments in the Netherlands and Denmark '. The PhD research was supervised by Luc Verheij and Geerten Boogaard.

Breda features prominently in a Microsoft customer story about AI, but the city says it is not advertising. Reijer Passchier, Assistant Professor of Constitutional Law and Professor of Digitalisation at the OU, warns that ‘considering the democratic rule of law, local governments should not lend themselves…

This article investigates the causes and examines how differing public perceptions of the rule of law contribute to this trend.

Are you thinking about studying the Advanced LL.M. Public International Law? Learn more and watch the videos.

How can party bans be justified? Which parties were banned in post-war Europe – and why? Do militant democracy instruments work? Is an international militant democracy concept in the making?

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…

The main objective of the Telders International Law Moot Court Competition is to challenge students to excel in international law, consequently testing their creativity and powers of persuasion in a friendly competition. Students and academic staff throughout Europe consider participation to be a great…

Organized by the Grotius Centre for International Legal Studies, this programme enables students and professionals from all over the world to engage in discussions on the prospects and challenges of international criminal justice.

Paul Adriaanse, together with eight other candidates, has been nominated in the administration law category for the title ‘Magna Charta Lawyer of the year’. The public will vote to decide the winner

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.

The Institute of Criminal Law and Criminology is committed to international cooperation and exchange.

From deepfakes and disinformation to killer robots, surgical robots and AI lawmaking: AI (Artificial Intelligence) is changing our world. That raises the question whether this requires some form of regulation. At eLaw, the Center for Law and Digital Technologies at Leiden University, prof. Bart Custers…

Leiden Law Practices (LLP)

The prestigious American Journal of Comparative Law (2016, pp. 790-4) just published a book review of Sofia Ranchordas monograph ‘Constitutional Sunsets and Experimental Legislation’ (Edward Elgar). The book is partially based on her PhD dissertation for which she was awarded a cum laude doctorate degree…

De Belastingdienst weigert nog steeds cruciale documenten vrij te geven aan slachtoffers van het toeslagenschandaal, wat volgens critici tegen de wet ingaat en herstel belemmert. Hoogleraar staats- en bestuursrecht, Ymre Schuurmans noemt de praktijk in de media ‘stuitend.’

This project looks at the current practices of marriage law in Indonesia. It examines the often ambiguous views different groups hold of marriage, from local villagers in Bengkulu to women’s activists in Jakarta, and how these relate to the development of national law on the one hand and local practices…

Are you thinking about studying Air and Space Law ? Learn more and watch the videos.

Om de verkeersveiligheid te kunnen waarborgen en overlast in de binnenstad tegen te gaan, wil de gemeente Enschede als eerste gemeente in Nederland een verbod op fatbikes invoeren. Geerten Boogaard, hoogleraar decentrale overheden, zegt in RTL-nieuws vraagtekens te hebben bij de juridische haalbaarheid…

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?

This volume was edited by Jeroen Duindam, Jill Harries, Caroline Humfress, and Nimrod Hurvitz.

Leiden University opened its doors in 1575 – the very first university in the Netherlands. The law faculty was involved from the start and so in 2025 they, too, were celebrating their 450th anniversary.

On 13 April, an expert meeting to discuss the doctoral thesis of Eduardo Arenas Catalán was held at Leiden Law School. The discussion, chaired by Aart Hendriks, Professor of Health Law at Leiden Law School, included the contributions from Javier Couso Salas, Professor at Universidad Diego Portales and…

Dr. Moritz Jesse, Associate Professor at the Europa Institute, presented his paper ‘Building Bridges or Erecting Walls? – The Application of Equal Treatment and Non-Discrimination in Europe ‘ at the annual meeting of the Law and Society Association.

From 1 March 2023, Michiel Tjepkema has been appointed professor of government liability and mining damage at the Open University in the Netherlands. Tjepkema is a former associate professor at the Department of Constitutional and Administrative Law and remains affiliated to this department as a guest…

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?

Are you thinking about studying the Advanced LL.M. Civil and Commercial Law? Learn more and watch the videos.

The Faculty of Law is becoming more sustainable in many ways, both in teaching and research.

Are you thinking about studying the Advanced LL.M. Law and Digital Technologies? Learn more and watch the videos.

The Ministry of Health, Welfare and Sport in the Netherlands is being flooded with applications for information under the Dutch Public Access to Government Information Act (WOB) and according to Minister Hugo de Jonge is unable to provide the information on time. News programme Nieuwsuur has been waiting…

De 'vermoedelijk' nieuwe premier Rob Jetten, streeft naar meer invloed op het wereldtoneel. Zijn minderheidskabinet brengt echter uitdagingen met zich mee bij internationale beslissingen, zegt, Corné Smit, gastdocent staats- en bestuursrecht voor de NOS.

Professor Willemien den Ouden has been appointed as the new Academic Director of the Institute of Public Law starting 1 September 2017. She will take over from Professor Wim Voermans who has held this position for the past seven years.

De ophef rond het geplande optreden van Kanye West in Arnhem groeit, maar juridisch gezien kan de burgemeester dat niet zomaar tegenhouden. Volgens Adriaan Wierenga, noodrechtspecialist bij de afdeling Staats- en bestuursrecht en tevens werkzaam aan de RUG, botsen zulke ingrepen al snel met fundamentele…