The Global Summit on Constitutionalism took place from 16 to 18 March. Wim Voermans, Gert Jan Geertjes and Rowie Stolk, from the Department of Constitutional and Administrative Law, travelled to Austin where the conference was organised by the School of Law of the University of Texas at Austin.

During the 55th Leiden-London meeting, held on 25 June 2016 in Leiden, the Editorial Board of the Common Market Law Review awarded the 2015 Common Market Law Review Young Academics Prize to Dr Anna Wallerman, for her article entitled “Towards an EU law doctrine on the exercise of discretion in national…

During the 57th Leiden-London meeting, held on 30 June 2018 in Leiden, the Editorial Board of the Common Market Law Review awarded the 2017 Common Market Law Review Young Academics Prize to Dr Ermioni Xanthopoulou, for her article entitled “Mutual Trust and Rights in EU Criminal and Asylum Law: Three…

Artificial Intelligence and Ethics at the Police

The Department of Constitutional and Administrative Law of Leiden University has published a collection of research essays on the separation of powers. This collection addresses the main question of whether the historically developed combination of concepts of democratic legitimacy and the separation…

Comparison across jurisdictions is one way of assessing the appropriateness of lethal force resulting from the actions of law enforcement agencies. This article sets out a vision for a global use of force monitor that can enable meaningful comparisons between law enforcement agencies. It examines some…

The United Kingdom’s relationship with the European Union was supposed to be definitively settled several times during the past decade – yet it was not. The 2016 referendum brought about a surge in interest in legal questions, especially of EU law and international economic law. This presented scholars…

Carsten Stahn has just published Confronting Colonial Objects: Histories, Legalities and Access to Culture. The book is part of the OUP Cultural Heritage Law and Policy Series.

The Asser Institute organised an interdisciplinary conference on ‘Law and ethics of artificial intelligence in the public sector: From principles to practice and policy’ that took place from 10 to 11 March 2022. Melanie Fink presented a paper co-authored with Michèle Finck.

How should European financial law best integrate considering the interaction of the relevant legal systems?

We are glad to present our new research report on Exploring the Frontiers of International Law (EFIL). International Law has traditionally been one of the flagship areas of the Leiden Law School. The report provides a taste of our rich research agenda in international law.

On 27 November 2018, the Center for Legal and Comparative Studies of the East African Community of Leiden University (LEAC) is organizing, in close cooperation with Strathmore University Law School, the University of Nairobi Law School and the IRID, the Fourth LEAC Conference on the topic “Teaching…

In the last week of January, Prof. Rex Arendsen and PhD candidate Maarten Manse of the Department of Tax Law at Leiden Law School, taught an ‘Intensive Course on Tax Law' at the Gadjah Mada University (UGM) in Yogyakarta. This week of lectures illustrates the fruitful cooperation between both univer…

In October 2020, the Dutch Journal of Administrative Law had a special PhD issue, giving an overview of all PhD research currently being conducted in the area of administrative law in the Netherlands.

Vasiliki Kosta has been appointed Emile Noël Fellow at the Jean Monnet Center of New York University (NYU) School of Law after a competitive selection process.

On 7 April 2017 Labour Law professor Heerma van Voss spoke on reduction of working time in European countries during the economic crisis at the Hungarian Academy of Sciences in Miskolc, Hungary.

Leiden’s International Institute of Air and Space Law (IIASL) was delighted to co-organise the 15th edition of the Leiden-Sarin International Air Law Moot Court Competition alongside this year’s host, the National Autonomous University of Mexico (UNAM) in Mexico City. The event brought together around…

For a long time, in the United States ‘Schmoozes’ have been organized. These small-scale meetings offer the opportunity to informally discuss important themes. On 12 and 13 October, the first European Schmooze took place in Milan. The topic was ‘Economic Inequality as a Global Constitutional Challenge’.…

On Wednesday 22 November 2017, Professor Luuk Van Middelaar delivered the closing lecture for the EU Institutional Law and General Principles of EU Law-course of the regular LLM-programme in European Law.

On April 19, 2018, the University of Vienna organized an international conference on the topic of equality bodies.

Like many moot court competitions around the world, the Leiden-Sarin International Air Law Moot Court Competition was conducted fully online this year. The International Air Law Moot Court is an unparalleled forum for bringing together students and aviation professionals who share a passion for air…

On 10 September 2020 the European Law Institute (ELI) launched the book Rescue of Business in Europe. The volume presents the results of a study led by Prof. Em. Bob Wessels (Leiden University, The Netherlands) and Prof. Stephan Madaus (Martin-Luther University, Germany), assisted by Gert-Jan Boon (Leiden…

Students attending Richard Albert’s seminar on constitutional change asked Reijer critical questions about an article he recently wrote with Maarten Stremler.

Sofia Ranchordas (1985) has been appointed Chair European and Comparative Public Law and Rosalind Franklin Fellow at the University of Groningen. She will start this position on October 1st.

Moritz Jesse delivered a lecture titled 'Legal Risks from, to, and within EU Migration Law - An Inventory’ as part of the lunch seminar series organized by the Amsterdam Centre for European Law and Governance at the University of Amsterdam in May.

On 27 February, Rodrigo Pica, Secretary of Chile’s Constitutional Court, gave a lecture to the students of the Advanced Master’s in European and International Human Rights Law at Leiden Law School.

On 15 May the Space Law Moot Court Competition was held in the council chamber of Leiden Town Hall, organised by the International Institute of Air and Space Law (IIASL).

How should jurisdictions, both on the national and on the supra-national level, handle the interaction between public and private law where it regards the regulation of financial markets?

Under Dutch law, like German or English law, the violation of a statutory provision does not establish civil liability for damage caused to another person. Such liability requires that the statutory provision concerned aims to protect against the damage or, put differently, that the harmed interest…

Traditional leaders in many African countries have regained some of their former powers. Politicians and companies in some of these countries manage to gain access to valuable land via these leaders, at the cost of the local population. This is the message of Professor of Law, Administration and Development…

From Friday 29 till Sunday 31 March 2019, the third edition of the Ian Fletcher International Insolvency Law Moot (Moot) was held at the Singapore Management University in Singapore. For the first time, a team from Leiden University took part in this prestigious competition. With success, the team qualified…

On Tuesday 12 January 2021, the Leiden Law School thesis prizes were awarded at the New Year’s event.

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?

Jaroslaw Kantorowicz, assistant professor at the Institute of Security and Global Affairs, isolated the reaction of the public to the potential breach of constitutional fiscal rules from the reaction of other players, such as the opposition, media and civil society organizations.

In store is now the Research Handbook on Labour, Business and Human Rights Law edited by prof. Janice Bellace of the University of Pennsylvania and ass. prof. Beryl ter Haar of Leiden University. The book is publisehd in Edward Elgars series on Human Rights.

Coming to and living in The Netherlands after Brexit.

Many countries and regions face a wide variety of challenges resulting from migration and mobility. Solutions that have been formulated range from policies and regulations for immigration, to education and stimulating social participation, to restructuring the welfare state. These challenges and policies…

Chinese organisations increasingly operate across the borders of China, and growing numbers of people from outside China are coming to live there. Professor Frank Pieke believes these movements have a significant effect on central and local government policy in China.

Eva Lammers is currently studying for a master's degree in labour law at Leiden University and expects to graduate in autumn 2023. Lammers did her internship at law firm JPR in Deventer and was thrown in at the deep end from the start. 'Assignments aren’t arranged for you, you've got to arrange them…

Three professors, including Leiden Professor of Constitutional and Administrative Law Wim Voermans, sent an urgent letter to the Dutch Senate on 29 May 2023 concerning the new pension system. The criticism focuses not so much on the content of the new pension system, but on the fact that, according…

On Friday 2 June 2023, Vincent Delhomme, Assistant professor at the Europe Institute at Leiden Law School, successfully defended his PhD thesis entitled : ‘Regulating lifestyle risks in EU law: Promoting health in a diverse market’.

On Wednesday 9 March, a Faculty meeting about the war in Ukraine was held for staff and students in the Lorentz Lecture Hall. By the time the meeting started at 17.00 hrs, the 220 available seats in the lecture hall had been filled mainly by large numbers of students.

Dutch newspaper Trouw investigated the tax position of multinational Cargill. Their conclusion? Cargill appears not to pay taxes over their profits. Trouw asked Jan van de Streek, Professor of Tax Law, and PhD candidate Josephine van der Have for an explanation. Prior to this, Van der Have had also…

Eduard Fosch-Villaronga, Marie Skłodowska-Curie Postdoctoral Researcher at eLaw- Center for Law and Digital Technologies, just published a book on Robots, Healthcare, and the Law. Regulating Automation in Personal Care.

On the 22nd of April, Liszt Vianna Neto successfully defended a doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Liszt Vianna Neto on this achievement.

Are you a non-Dutch national and will you soon be employed by Leiden University?

The Common Market Law Review (CML Rev) ranked #4 in the field of Law in the 2018 Thomson Reuters Journal Citation Reports, based on the 2017 Journal Impact Factor.

Judicial officers have some leeway in how they act. In most cases that's fine, but it can also lead to abuses, such as ethnic profiling. It is easy to forget that these are not isolated decisions, but are also part of a framework of formal policies. Professor Maartje van der Woude calls for more comprehensive…

Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.