How do Humanitarian Response Organizations (HROs) and Virtual & Technical Communities (V&TCs) collaboratively govern disaster sensemaking processes, and what challenges shape the effectiveness of these collaborations between 2010 and 2016?

The Faculty Board has appointed Professor Ymre Schuurmans as Academic Director of the Institute of Public Law. Schuurmans is Professor of Constitutional and Administrative Law and was Head of the Department of Constitutional and Administrative Law for the past six years.

Promotores: H.A. Udo de Haes, H.H.T. Prins, Co-promotor: H.H. de Iongh

On 19 May 2020, Xuechan Ma defended her thesis 'Moving towards Coexistence and Cooperation: The Spratly Islands and International Law'. The doctoral research was supervised by Prof. N.J. Schrijver.

Last November, it was announced that the European Commission has awarded a Jean Monnet Chair to Professor of Tax Law Irma Mosquera Valderrama. She will use the grant to shape the EUTAXGOV project over the next three years.

Associate Professor Gianclaudio Malgieri (eLaw – Center for Law and Digital Technologies) and Professor Margot E. Kaminski (University of Colorado Law School) have published a new article in the very prestigious Yale Journal of Law & Technology, titled Impacted Stakeholder Participation in AI and Data…

In what ways does Atelier education contribute to skills development, active learning, interactions between students and staff, and connections between disciplines of law?

The third book in the Restatement of Labour Law Series has recently been published by German publisher Beck. This part addresses employment termination law. The book contains 36 chapters with an extensive overview of employment termination law in the different European countries as well as a comparative…

On 2 Juni 2021, Maarten Manse defended his thesis 'Promise, Pretence and Pragmatism: Governance and Taxation in Colonial Indonesia, 1870-1940'. The doctoral research was supervised by Prof. R. Arendsen.

Using artificial intelligence is more complicated for the government than for companies. Bram Klievink, Professor of Public Administration, aims to identify the problems and find solutions.

Last Friday, we celebrated ten years of the master’s specialisation in Labour Law at Leiden Law School!

This collaborative research group (CRG) facilitates the synergies of researchers engaged with African languages and documentation of texts conducted in East Africa, paying particular attention to ‘endangered archives’ and ‘endangered languages’.

On 11 June 2020, Sabine Witting defended her thesis 'Child Sexual Abuse in the Digital Era: Rethinking Legal Frameworks and Transnational Law Enforcement Collaboration'. The doctoral research was supervised by Prof. J.J. Sloth-Nielsen and Prof. S. van der Hof.

On 18 June 2019, Neta Palkovitz Menashy defended her thesis 'Regulating a Revolution: Small Satellites and the Law of Outer Space'. The doctoral research was supervised by Prof. dr. P.M.J. Mendes de Leon and Prof. dr. G. Molier.

Conference

The annual World Economic Forum (WEF) is underway, and it is a key instance for world leaders to adress global and regional challenges. The organisation expects to convene over 3,000 leaders from more than 130 countries. However, there is rising concern about the number of key leaders that will not…

On 10 April 2025, Melanie Fink presented her current research on the interplay between EU constitutional law and the regulation of digital technologies.

What is federalism; what are the implications of decentralisation? Do federalism and decentralisation contribute to democratisation, governance, and diversity? Virtually all African countries south of the Sahara are now either federal or decentralised—but how do their systems of governance perform?…

Anthropology of Law in Muslim Sudan analyses the hybridity of law systems and the plurality of legal practices in rural and urban contexts of contemporary Sudan, shedding light on the complex relation between Islam and society.

Governance of the internet is chaotic, says Professor Jan Aart Scholte. Can we learn from this relatively new form of governance?

On 18 June, Esmée Driessen defended the thesis 'Government encouragement and facilitation of civic initiatives. On the interpretation of ‘serving government’ in third-generation civic participation'. The doctoral research was supervised by Geerten Boogaard and Willemien den Ouden.

On 9 October, Corné Smit defended his doctoral thesis, 'Minority governments in the Netherlands and Denmark '. The PhD research was supervised by Luc Verheij and Geerten Boogaard.

Donald Trump was sworn into his second period as President of the United States on 20 January 2025. Since then, the Trump administration has raised alarms for people around the world who are concerned over what this will mean for the current geopolitical landscape. Join a panel of experts to discuss…

PhD defence

Sophie Vériter explores a small state’s impact on EU security governance, a hard challenge means against big states in this policy area.

This course explores international arbitration as one of the most common methods of international dispute settlement. You will gain an in-depth understanding of international arbitration through the analysis of its role as a mechanism of dispute settlement, its institutions, the fields of law it is…

Knowledge of Muslim societies is essential to function in a globalised world and to fully understand our own Dutch society. Leiden researchers explore the languages, cultures, religions, legal systems and history of Muslim societies and in this way contribute to a centuries-old tradition.

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).

AI ultrasounds: LUC alumna empowers women in rural Africa

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 6 June, Armin Cuyvers lectured students and staff of the University of Nairobi on EU law and comparative regional integration

Government impartiality is considered a core feature of quality of government, and one that leads to favorable macro‐level outcomes. We have limited knowledge, however, of how impartiality affects citizens' perceptions of public service quality. In particular, we do not know how the impacts of impartiality…

On 31 August 2022, a delegation from the Korean Ministry of Government Legislation visited the International Institute of Air and Space Law (IIASL) at Leiden University as part of their official visit to the Netherlands. The delegation’s visit was aimed at exchanging knowledge and experience on interaction…

Tachtig academische papers, 270 deelnemers en vier rondetafelgesprekken over het aanpakken van mondiale problemen. De tweede conferentie van het interdisciplinaire onderzoeksprogramma Global Transformations and Governance Challenges werd groots opgezet. Wat vonden de deelnemers ervan? Bekijk het in…

Matthias Haentjens, Jouke Tegelaar and Dorine Verheij have recently published the chapter Financial Market Regulation and Supervision in the new volume of the prestigious The Law of the European Union (previously Kapteyn and VerLoren van Themaat).

An assessment of Libyan legislation