Denmark, Poland and Germany are a few of the countries that have closed their borders, entirely or certain sections, in response to the continued advancement of coronavirus. Normally, this is only possible when there is a threat to public order or national security.

Willemien den Ouden, Professor of Constitutional and Administrative Law and Academic Director of the Institute of Public Law has been appointed State Councillor at the Administrative Jurisdiction Division of the Council of State in the Netherlands.

New publication by Christa Tobler and co-author Joel Günthardt on the mutual recognition of professional qualifications

On 4 March 2024, the Local Public Sector Alliance (LPSA) held a meeting of its Working Group on Local Democracy and Inclusive Governance, in which theoretical ideas and experiences about local governance and decentralisation were discussed. Esteban Szmulewicz, PhD candidate at the Department of Constitutional…

Reijer Passchier, universitair docent staatsrecht en hoogleraar digitalisering en de democratische rechtsstaat (OU), reageert in het FTM scherp op de recente gang van zaken rond de rolverdeling in Nederlandse digitaliseringsstrategie.

Private businesses will probably soon refuse access to non-vaccinated persons in the near future. But this is more difficult when it comes to public amenities. Aart Hendriks, Professor of Health Law at Leiden Law School, contributed to an article in Dutch newspaper NRC saying that he anticipates that…

Research.com, a leading academic platform for researchers, has just released the 2023 Edition of Ranking of Best Scientists in the field of Law. Carsten Stahn Professor of International Criminal Law & Global Justice at the Grotius Centre for International Legal Studies in Leiden has ranked #340 in the…

On 30 November 2023, Florian Theissen successfully defended his PhD thesis, 'Sincerely Believing in Freedom'.

mooc Global Order Machtsverhoudingen International

On 3 March the book “The European Union as an Area of Freedom, Security and Justice” edited by Maria Fletcher, Claudio Matera and Esther Herlin-Karnell was officially presented at a symposium at VU University Amsterdam.

Vijf opleidingen van de Leidse rechtenfaculteit hebben een medaille ontvangen als ‘beste studie’. Dit blijkt uit onderzoek dat EW Magazine uitvoerde in samenwerking met ResearchNed. De Advanced Master Air and Space Law scoorde uitzonderlijk hoog en ontving een gouden medaille.

The European Commission has started an investigation into possible illegal state aid from the Netherlands to Nike. It is high time that agreements between Tax Authorities and multinationals are made public, says Associate Professor in Tax Law Jan Vleggeert.

Enschede gaat als eerste gemeente in Nederland een fatbikeverbod invoeren om de verkeersveiligheid te verbeteren. Volgens Geerten Boogaard, hoogleraar decentrale overheden, kleven er juridische ricico’s aan het verbod. ‘Het is lastig om als gemeente een eigen verkeersregel te bedenken. Dat mag eigenlijk…

The newly established Luxembourg Centre for European Law held its inaugural conference on 10-11 October 2025, exploring the theme of 'European Union law and values in a changing world'.

Anna Marhold, Assistant Professor at the Grotius Centre of International Legal Studies, was appointed

Global Interactions sponsors a number of research projects of Leiden University researchers.

The AI research in the area of peace, justice and security at each of the three universities in Zuid-Holland complements the AI research being performed by the other two. Three researchers explain. Part one in a series of five about themes that the three universities’ AI research covers.

In recent years, the term alternative publishing has gained momentum within open science communities - a response to the slow, paywalled, and sometimes opaque world of traditional academic publishing. But what exactly does alternative publishing entail, and why is it needed?

On Wednesday morning, 14 March, Sander Dekker, Minister for Legal Protection, gave a guest lecture to the students of the Master Crisis and Security Management as part of the course Crisis Management. Dr. Sanneke Kuipers presented propositions based on theory to Minister Dekker. After each proposition,…

This section provides an overview of online tools for the study of the medieval Low Countries. The websites linked down below are often times both available in Dutch and English.

Since 2009, at ACPA, 95 candidates received their PhD in Creative and Performing Arts. On this page you will find an overview of ACPA's alumni.

The Grotius Centre Working Paper Series is an occasional series through which researchers in the Grotius Centre can publish the unedited versions of manuscripts that have been accepted for publication by journals and books.

At the initiative and expense of His Majesty King Willem‑Alexander, Leiden University will conduct a study into the role of the House of Orange‑Nassau in Dutch colonial history. The project will run from 2023 to 2026.

LCN2 hosts seminars on the last Friday of each month.

The ‘Stans Prize 2018' (for the best thesis, report or article produced by a CML student) has been awarded to Louie Krol. Other CML prizes were awarded to Sebastiaan Deetman and Joris Timmermans.

Point your talented students to Inter-Section! That is the main message of the journal’s Editorial Board. But what exactly is Inter-Section? ‘It is meant for students to create an opportunity to publish a peer-reviewed article during, or just after, their study.’

Another year's end draws near. And what a year it has been! On December 12th staff and students of the Faculty of Archaeology came together to celebrate and reminisce. Professor Joanita Vroom got us in a festive mood by telling tales of Byzantine banquets, while a chef served historical dishes to sa…

The ILS Lunch seminars bring colleagues and students from Leiden Law School together, providing an informal setting to hear what researchers from other research programs and institutes are working on. On Thursday 14 February, the first edition of the ILS Lunch Seminar series of 2019 takes place. This…

An international team of astronomers, with researchers at Leiden Observatory playing a leading role, has mapped the fuel for galaxy formation in the iconic Hubble Ultra Deep Field. The results of the research have been accepted for publication in The Astrophysical Journal.

Migrants are far less of a burden on the budget of European countries than is often thought. This is the conclusion of research by economists from Leiden University.

Berber languages have long been banned from public life in North Africa, but the situation has changed drastically. Linguistic research is generating new insights on the distant past and on present-day Dutch Moroccans. This is the finding of Maarten Kossmann, the only professor of Berber Studies in…

The lyrical documentary about Leiden by American anthropologist Mark Neupert has become a hit. Leiden anthropologist Janine Prins taught Neupert the finer points of the subject in the course on Visual Methods offered by Anthropology. What does she think of Neupert's observation? ‘He's gone completely…

Academia and games. One is for serious people who only have time for research, the other is a pastime best avoided if you are or want to be one of these serious people, right? Not at all!

The Municipality of The Hague called on researchers to come up with a proposal for an innovative research project on problems big cities face such as energy transition. Four of the five projects that have been granted funding come from researchers from Leiden University.

Two new Assistant Professors are joining Science Based Business (SBB) this Autumn. ‘Xishu Li and Jian Wang are the first two Assistant Professors we recruited. This is an exciting, crucial next step for SBB,’ said Professor Simcha Jong who joined Leiden University as the Director and first Professor…

In March, Jan Pronk starts as the new Executive Director at the Faculty of Archaeology. We sat down with him for an interview on his background, his drive, and his take on archaeology.

Governments and public sector organisations consider evidence-based or evidence-informed policymaking as one of the pillars of good governance. That is to say: policies that are informed by scientific knowledge, expertise and evidence. In the research programme 'Power of Evidence', Valérie Pattyn and…

Welcome to the 2024-2025 academic year! I hope this finds you feeling refreshed following an enjoyable and restful summer holiday season. As we start the autumn semester, I want to look back briefly by highlighting 10 significant milestones at LUCSoR from this past year (some of which I referenced in…

The midterm elections in the United States will be a vote of (no) confidence in president Trump and his divisive leadership style, says Brendan Carroll, assistant professor Public Administration. In this blog he explains why voter turnout can be a decisive factor.

How long does it take our master’s students to find a job after they have graduated? How far ahead should you start sending out applications? Where do most Public Administration students end up after graduation? How do most students go about finding work? That was the start of the kick-off meeting Career…

Whereas the Netherlands Court of Audit used to conduct an investigation once a year, the average civil service organisation now has a few per year to contend with. Is so much going wrong nowadays? Not at all, says Professor by Special Appointment Sjoerd Keulen. ‘It’s one of the methods that makes democracy…

In the orientation seminar of the Leiden Leadership Programme lecturers and alumni shared their experiences and prospective students asked questions. They learned that they, too, can show leadership. ‘The LLP will give you the opportunity to reflect on who you are.’

Interdisciplinary cooperation between public and private actors is of vital importance for facing contemporary security and global affairs challenges. This was the main conclusion of two conferences hosted by the Institute of Security and Global Affairs of Leiden University from 7-10 November 2016.…

Olivier Morskate studied Public Administration at Leiden University and did an internship at the European Parliament's Liaison Office.

As a result of production pressure, judicial powers focus more on efficiency and less on making sure they get to the truth. Professor of Criminology Jan de Keijser believes that establishing the truth in court cases is under threat. Inaugural lecture 7 November.

Exam, paper, exam, paper. A familiar, though sometimes little unexciting, routine for students. That is why Film and Literary students Sietske de Haan and Wouter Dijkman decided to write a blog post for the course Interculturality. Their impressive achievement was rewarded with a publication on science…

Expert in public affairs and politics Arco Timmermans advised the informer Kim Putters.

Every year around 3,900 master's students sign their name in Leiden's famous 'Sweat Room' when they graduate. What do they do after that? Five young alumni talk about their work.

Mathematician Francesca Arici has joined the Raising Public Awareness Committee of the European Mathematical Society. She aims to coordinate and unite the European efforts of communicating and promoting mathematics. ‘We also hope to achieve more recognition for people who do science communication.’