On 19 December 2019, Reza Eftekhar defended his thesis 'The Role of the Domestic Law of the Host State in Determining the ratione materiae Jurisdiction of Investment Treaty Tribunals: The Partial Revival of the Localisation Theory'. The doctoral research was supervised by Prof. E. de Brabandere.

Recently, Jaap van den Herik, professor emeritus Law and IT, was interviewed by the BNVKI (Benelux Association for Artificial Intelligence).

Between 18 and 29 March 2024, a group of 28 civil servants and policymakers from pre-accession countries participated in the Matra Rule of Law Training Programme on the Management of Borders. This event was organised and hosted by Leiden University at its campuses in Leiden and The Hague.

Event co-sponsored by the IAPDD, Leiden University, and the Australian Research Council project “Digital Death and Immortality”

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.

Leiden Law School and the Center for Constitutional Studies of the Mexican Supreme Court (CEC-SCJN) have signed a memorandum of understanding, to carry out joint activities in the field of constitutional law and children's rights.

On the Day of Privacy, 28 January, the European Commission is calling on citizens to make sure they protect their personal data. But how do you do that, and against what, exactly? Privacy researcher Bart Custers explains.

Leiden University (UL), the Delft University of Technology (TU), and Erasmus University in Rotterdam (EUR), have been working together on a wide variety of terrains in research, education and valorisation.

The Europa Institute was represented in all four regional finals of this year’s European Law Moot Court!

Are you a new or returning International Business Law student to the 2016-17 academic year at Leiden Law School?

On Thursday 20 October 2016, the 2nd annual Common Market Law Review conference “Crossing Europe’s Borders - New approaches to migration in European law

Patrick van der Meij has been appointed Professor of Criminal Law Practice at the Institute of Criminal Law and Criminology from 1 January 2024. This is an Endowed Chair established by the Professor A. E. J. Modderman Foundation, which is affiliated with Leiden University in order to boost research…

On Friday 24 June 2022, the Department of Constitutional and Administrative Law of Leiden University welcomed more than forty administrative law scholars to the first Young Administrative Law Researchers Day.

A one-day conference was organised by the International Institute of Air and Space Law at Leiden University on 11 May 2023, in the lead-up to the 14th Leiden-Sarin International Air Law Moot Court Competition. The topic of the conference was ‘Aviation Cybersecurity’, which was also the topic of this…

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?

The General Data Protection Regulation (GDPR) came into force in 2018. It was intended to protect the rights and freedoms of individual citizens from the risks of personal data processing. Meanwhile, the phenomenon known as big data has continued to advance at a fast pace. PhD defence on 12 Septembe…

In 2016 the General Data Protection Regulation (GDPR) entered into force. The GDPR aims to give control to individuals over their personal data and to simplify the regulatory environment for international businesses by unifying regulation within the EU. PhD candidate Helena Ursic-Vrabec examined the…

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).

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.

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.

On 14th April the ARC session Sound, Technology and Listening, dedicated to the presentation of work carried out at the Institute of Sonology at the Royal Conservatoire, took place through an online public platform. Four students from the second-year research master's at the Institute of Sonology did…

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 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.

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

Graduation ceremony

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 School for Digital Deaf Studies 2025 is a hybrid school consisting of one week school in person in Ghana (J15 - 24 August), followed by a one week school online later this year. It aims for the capacity building needed to expand academic research and education activities in digital Deaf studies,…

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.

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.