Legitimacy is generally a term that is associated with the state. The term surfaces when there are problems with state legitimacy—when it is lacking or absent. This present volume attempts to think through the relevance of the concept of legitimacy for other political actors than the state.

The programme group Clinical Neurodevelopmental Sciences is one of the six groups within the Institute of Child and Education Studies at Leiden University. The group participates in all stages of the education programme: the bachelor's, master's and research master's programme.  The group is particularly…

The Young Academy Leiden has a board, which consists of a chair and a vice-chair.

The Farm to Fork Strategy seeks to transform the EU food system towards greater sustainability. To do this, Vincent Delhomme argues, some of the traditional concepts and doctrines in EU internal market law need to be challenged and rethought.

On 31 January 2025, Leiden University participated in the Dutch National Rounds of the 2025 Philip C. Jessup International Law Moot Court Competition, the world’s oldest and largest moot court competition, featuring more than 800 teams from over 100 countries and jurisdictions.

To maximise your personal development, we ensure tutorials are small-scale and staff members extremely accessible. In year one, you’ll have an average of 12 contact hours, half of which comprise lectures (in English) and the remainder tutorials (optionally Dutch or English).

Organisation of the Leiden Institute of Physics.

Leiden University Graduate School of Teaching

Wout Broekema highlights how organisations not only learn from crises but also forget, losing crucial knowledge and practices over time.

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…

Over the past two centuries, the concept of human dignity has moved from the fringes to the centre of the international legal system. This book is the first single-authored detailed historical, theoretical and legal investigation of human dignity as a normative value, the intellectual sources that shaped…

Organisation Institute of Biology Leiden

The UN International Law Commission was established soon after the Second World War with the mandate to promote the progressive development of international law and its codification. It is a subsidiary organ of the UN General Assembly.

The Honours Academy works closely with partner organisations where students carry out practical assignments. In addition, the Honours Academy collaborates with schools to realise Pre-University education.

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).

Marc Koper, Professor of Catalysis and Surface Chemistry, has been elected as President Elect of the International Society of Electrochemistry (ISE). He will be President Elect for two years starting January 2019, followed by two years as President and two years as Immediate Past President.

Marc Koper has been selected as one of the six new fellows in 2015 of the International Society of Electrochemistry.

Valentina Carraro explores the relationship between overlapping UN human rights institutions, specifically the treaty bodies and the Universal Periodic Review (UPR)

The main aim of the project is to collect and update on a regular basis bibliometric and patent indicators that can be used to underpin and inform analyses pursued at the European Commission (EC) to assess European and national scientific and technological performance.

In the heart of The Hague stands the Peace Palace, home to one of the most important courts in the world: the International Court of Justice. PhD candidate Joris van de Riet spoke to 'Het Klokhuis' about the role of the Court.

The various bodies involved in the organisation of the Leiden Institute of Advanced Computer Science (LIACS) are listed below.

In October, Sophie Starrenburg was elected as a member of the Coordinating Committee of the ESIL Interest Group on the International Law of Culture. She will work alongside Giovanni Carlo Bruno (Italian National Research Council), Andrzej Jakubowski (Polish Academy of Studies), and Lucas Lixinski (University…

Leiden University Centre for Linguistics (LUCL) is an independent institute within the Leiden University Humanities Faculty. A Management Team, consisting of an Academic Director, a Director of Education and an Institute Manager, is responsible for the overall running of the institute. This team is…

On 29 January 2018, the new “Arbitration of International Disputes” MOOC (massive open online course), taught by Prof. Eric De Brabandere and Dr. Giulia Pinzauti, will start on Coursera.

The ongoing conflicts between the United States and its allies and Russia and between the United States and its allies and China reflect both the anarchical nature of the international system and the uncertainty with which decision-makers and diplomats have to deal with in attempting to solve the conflicts…

Our research covers a very broad terrain and has a strong disciplinary basis across a wide range of scientific disciplines and fields.

The opening of the Service Centre for International Staff on 19 January signals a higher level of support for international staff. The Service Centre in the main administration building at Rapenburg 70 will be open every morning, ready to answer any questions.

Over fifty international students celebrated last Christmas at the homes of staff or students of Leiden University. As part of the Holiday Hosting Programme, the students were invited for Christmas dinner.

In this article, Sophie Vériter examines the EU’s unprecedented ban on Russian state media following the invasion of Ukraine, using securitisation theory

Ekaterina Pannebakker, Associate Professor of Private International Law, has won first prize in an international essay competition.

The International Reynard Society studies the role of animals in the European literature of the Middle Ages and its afterlife. It focuses especially on beast epics, fables, and fabliaux. The 24th international colloquium of the Society – Of Foxes and Fish: Interdisciplinary Approaches to Medieval Animal…

The institute is lead by the Scientific Director, prof.dr.ing. Martina G. Vijver, Director of Operations: Jasper Williams and Director of Education Dr. Stefano Cucurachi in collaboration with the Management Team.

The Public Management and Organisation section of the Institute of Public Administration focuses on public organisations and the behaviour of the managers and professionals working within them. Our vision is that understanding human behaviour and organisational dynamics is essential for understanding…

Every year, the Netherlands and Belgium Red Cross organize the Frits Kalshoven IHL Competition, which brings together students from both Dutch and Belgian universities.

Leiden University’s Department of Labour Law and Social Security is proud to announce that the International Labor Rights Case Law Journal (ILaRC) is set to publish its tenth volume this year. A valuable initiative of Paul van der Heijden, Emeritus Professor at the Department of Labour Law and former…

The Leiden Leadership Programme maintains partnerships with about 40 companies, NGOs and government agencies. Students tackle a problem for these organisations.

On 1 and 2 September, colleagues of Leiden Law School participated in the very first International ELS Conference, organised by the ELS Academy in Amsterdam.

Aviation safety is of global concern. Yet 43% of countries worldwide lack the expertise and administrative capacity to ensure effective safety oversight of the aviation activities for which they are responsible under international law.

In the Framework of the Leiden Social Justice Chair, a meeting was organised on June 7 and 8 2018 at Leiden University of a international study group of reputed labour law scholars from various countries.