On 13 December 2024, the yearly ‘Constitutional Law Conference’ took place at Leiden Law School. The central theme of the conference was ‘The Constitution outside the Constitution’.

In her teaching, University Lecturer of Ancient History Liesbeth Claes uses various digital tools. Using that experience and interest she started an innovation project in order to research which digital skills history alumni need on the labour market and how these skills can be implemented in the cu…

Mirjam Sombroek, Aart Hendriks and Martine de Vries (LUMC) will work on mapping the ethical and legal aspects of gene therapy. The aim is to establish a best practice of how society can best deal with these therapies. For example with guidelines on how to regulate, reimburse and make these therapies…

The International Court of Justice (ICJ) has commenced hearings on Israel’s ban on UN organisation UNRWA. Larissa van den Herik, Professor of Public International Law, commented on news programma NOS Nieuws.

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.

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.

In spring 2020, the country was facing a potential lack of hospital ventilators for the huge numbers of Covid-19 patients. In response, Clinical Technology students designed an emergency device in the space of just three weeks. ’These students become 80% doctor and 80% engineer.’

How can a society protect itself from cyber threats? Sixty talented young researchers and professionals are learning more about this at the International Cyber Security Summer School in The Hague.

The Jean Monnet and Common Market Law Review (CML Rev) Launch Conference of the CML Rev extraordinary issue ‘EU values and interests in a time of geopolitical transformation’ was held on 10 April 2026 at the University of Zagreb, Croatia.

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.

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

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.

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?

Leiden University Libraries holds an internationally unique collection of unofficial poetry from China. Produced outside the System over the last fifty years or so, this poetry is hugely influential yet hard to find beyond the informal networks through which it travels. To address this paradox, the…

Understanding the temporal modes of digital mapping.

A better integration of Digital Humanities into study programmes, so that students develop their digital skills as well as possible. That is what Hossam Ahmed wants to achieve in the coming years. He received a senior Comenius Fellowship to develop a digital programme for students.

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 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.

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 January, Dr Karsten Lambers was appointed as Professor of Digital and Computational Archaeology at Leiden University's Faculty of Archaeology. With his extensive background in both archaeological research and computational sciences, the installation of Professor Lambers further strengthens this discipline…

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.

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.

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