How does the development of digital technologies impact society, and law/regulation within that society?

Today, 189 out of 193 officially recognised nation-states have a written constitution, and 75% of these have been ratified since 1975. How did this worldwide diffusion of constitutions come about?

Mariana Gkliati participated on 4 April in the course International Human Rights offered by the SIM, Netherlands Institute of Human Rights, at the University College Utrecht.

Mariana Gkliati participated with a paper presentation at the Panel: European borders and the role of Frontex, on 29 November in Trento.

Making migration a key campaign issue in the recent Dutch general elections is one thing, but turning it into actual policy is another. ‘95% of Dutch immigration legislation is governed by European law’, says Emeritus Professor Peter Rodrigues in Dutch daily newspaper 'Trouw'. In short: political parties…

Tech company Eyeball collects images and data on young amateur football players on a large scale. But is this allowed? Bart Custers, Professor of Law and Data Science, and Gerrit-Jan Zwenne, Professor of Law and Digital Technologies, comment on the issue in ‘NRC’ newspaper.

On Thursday 7 March, a group of around 40 Leiden Law students visited the EU’s Agency for the coordination of cooperation between law enforcement authorities, the former European Police Office (Europol) in the world’s legal capital: The Hague.

In recent years, much research has been conducted at the Department of Labour Law on the topic of sustainability and fundamental labour rights. Linked to this field is a journal: the International Labor Rights Case Law Journal (ILaRC).

The IHL Clinic offers outstanding LLM candidates the chance to work pro bono on KGF projects and gain practical experience in humanitarian law in cooperation with practitioners working in the humanitarian field.

The long awaited fifth edition of book ‘The Law of the European Union’ (formerly Kapteyn & VerLoren van Themaat) was launched on Friday 11 January 2019 at the T.M.C. Asser Instituut, The Hague.

The December issue of the CML Rev., Vol. 53 No. 6, is now available online.

De Immigratie- en Naturalisatiedienst (IND) overtreedt de wet door Syrische asielzoekers te lang te laten wachten op een beslissing, stelt Mark Klaassen, universitair docent migratierecht in reactie op onthullingen van dagblad Trouw. Door het besluit- en vertrekmoratorium beslist de IND tijdelijk niet…

The International Institute of Air and Space Law hosted a book launch event at the Leiden Law School on March 20, 2025, featuring the launch of two important publications in the field of air and space law.

Anmol Dhawan (24) graduated cum laude from the Advanced LLM in Air and Space Law in Leiden on 28 August 2023. He comes from Mumbai in India and did his bachelor law studies at National Law University Delhi. He has been in the Netherlands since September 2022, so over one year now.

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…

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…

If you wish to come to the Netherlands, there are certain immigration procedures you need to follow. Leiden University can apply for a visa and residence permit on your behalf.

On 17 November 2014, the Leiden Law School and the University of Beihang, China signed a Memorandum of Understanding.

The Leiden University team representing the International Institute of Air and Space Law (IIASL) won the World Finals of the Manfred Lachs Space Law Moot Court Competition that took place in Paris on 20 September 2022.

The International Astronautical Congress (IAC) that took place last week in Paris was extremely successful for IIASL.

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…

This week, Prof. Luuk van Middelaar (Europa Institute) publishes Alarums & Excursions: improvising Politics on the Europen Stage – a revised update of his 2017 book on the decade of EU crises.

The International Institute of Air and Space Law (IIASL) at Leiden University has released a report highlighting that the European Air Traffic Management (ATM) transformation is hindered more by regulatory complexity and political fragmentation than by technological limitations.

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.

On October 9th, Peter Alexander Kerkhof succesfully defended his doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Peter Alexander on this great result.

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.

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.

On 10 May 2021, Melanie Fink and Barbora Budinská published their views on recent developments in the areas of EU regulation of Artificial Intelligence and the Banking Union respectively as Op-Eds on EU Law Live.

How can governments reach their policy goals in the most effective way? Which manner of financing is the most suitable? Does the spirit of our times call for new forms of subsidy? What does the future of subsidy law look like?

This publication examines the issues regarding the cross-border resolution of financial institutions, focusing on the power allocation between the home and host resolution authorities, i.e. the jurisdiction rule.

The International Institute of Air and Space Law (IIASL) at Leiden University has joined the Civil Air Navigation Services Organisation (CANSO) as its newest Research and Academia member.

Statement from the Editorial Board of the Common Market Law Review regarding the UK Brexit referendum campaign:

Students greatly benefit from an interdisciplinary learning environment that makes connections with various stakeholders and tackles real-world challenges. This environment allows them to produce innovative and impactful results. As part of their studies, students from the International Institute of…

Demissionair minister Weel rest nog maar één maand de tijd om een nieuw Asielnoodmaatregelenwet te leveren, waarin illegaal verblijf strafbaar wordt gesteld. Geerten Boogaard, hoogleraar staats- en bestuursrecht, schat in dat dit niet lukt, zegt hij in Trouw

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).

Camille Lefebvre, PhD candidate at the Graduate School of International Studies of Université Laval and the Van Vollenhoven Institute for Law, Governance and Society of Leiden Law School, has been selected as a recipient of the Pierre Elliott Trudeau Foundation Fellowship and Leadership Program.

From 26 to 30 June 2017 a summer course on Europeanisation of administrative law in the Member States of the European Union will be held by the Department of Constitutional and Administrative Law.

Van Es is the successor to Professor Huijgen whose retirement is approaching after nearly 27 years’ professorship. This new appointment is from October 2022, but Van Es has been working at the faculty for some time.

On 22 April the 5th edition of the book Introduction to Dutch Law (edited by Jeroen Chorus, Ewoud Hondius and Wim Voermans) was presented to dr. Geert Corstens, former president of the Dutch Supreme Court.

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

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…

On 10 July 2020, the final of the European Law Moot Court Competition took place online before an impressive line-up of academics and practitioners of EU law.

In January 2020 the book “Private Enforcement of European Competition and State Aid Law”, edited by Ferdinand Wollenschläger, Wolfgang Wurmnest & Thomas M.J. Möllers, was published by Wolters Kluwer.

In the summer of 2021, Lucy Opoka was awarded one of the coveted Meijers PhD positions. In October, she arrived back in Leiden, where she obtained her LLM degree Advanced Studies in International Children’s Rights in 2019. Professor Liefaard interviewed Lucy upon arrival.