The Board of Leiden University has appointed Armin Cuyvers as a full professor of European Law, specifically EU Constitutional Law and Comparative Regional Integration, effective per 1 September 2021.

With Brexit looming, stronger economic governance of the European Union is more essential than ever. It’s high time for action, says Amy Verdun, Professor of European Politics and Political Economy. Inaugural speech on 27 September.

Moritz Jesse presented a paper titled “The Resilience of Implicit Exclusion in EU Migration Law – How the Law Helps Those Who Separate ‘Them’ from ‘Us’” at 23rd International Conference of Europeanists organized by the Council for European Studies in April 2016 in Philadelphia.

From 27-29 August, the Conference of the International Society for Child Indicators (ISCI) took place in Tartu (Estonia). Prof. Ton Liefaard was one of the key-note speakers during that conference.

Christa Tobler, Professor of European Law at the Universities of Basel (Switzerland) and Leiden, participated in a Swiss television debate on the free movement of persons.

Over 300 people from 38 different countries took part in the online lecture

My research project aims to analyze reasons of the European Union’s (EU) inadequacy to develop a strong Common Security and Defense Policy (CSDP) with regard to the role of main EU member states, namely Germany and the United Kingdom (UK) and find the answer of how the EU overcome the CSDP question…

In this project diverse aspects of the duchesses’ roles in the complex and dynamic relations between town and crown are studied on the basis of systematic research in the account books of four cities (Ghent, Bruges, Leuven and Mechelen) in the Burgundian Netherlands (ca. 1430-1503).

How did dynastic organization – that it, the employment of non-ruling family members and the development of dynastic traditions and concepts – influence state formation in both Catholic Europe and Muslim West-Asia?

Voor zowel archeologen, paleontologen en geologen als vrijwilligers in de archeologie en paleontologie is het geen verrassing meer dat op de stranden van de Nederlandse kust fraaie vondsten gedaan kunnen worden. Vele artikelen, boeken, tentoonstellingen, congressen, lezingen, ‘zoekdagen’, krantenberichten,…

Moritz Jesse, Associate Professor of EU Law at the Europa Institute, has published his book, “The Civic Citizens of Europe: The Legal Potential for Immigrant Integration in the EU, Belgium, Germany, and the United Kingdom”.

What would it be like if you could work with the best in your field every day? Alumnus in International Studies Niels Drost knows just what that’s like. He currently works as a junior researcher at the Clingendael Institute.

How you think about yourself is important for the choices you make. Adolescents are faced with choosing a study programme that will determine their future, while their self-image is still under development. Tough choice? Research by psychologist Laura van der Aar has shown that taking a training course…

A growing number of AI tools are being developed for the legal sector, to help professionals search lengthy texts or check court rulings. Leiden SAILS researcher Masha Medvedeva, an expert on the technical development of these systems, warns: ‘Users should know what’s under the hood.’

'The kind of knowledge you gain in International Studies can take you anywhere,' says Gaby van de Wal (26, The Hague, The Netherlands), who graduated from the programme in 2018. Her own career path is proof that indeed, an International Studies degree comes with many opportunities.

De Europese Unie bekijkt mogelijkheden om geblokkeerde Russische tegoeden aan te wenden ter ondersteuning van Oekraïne. Joris Larik, universitair hoofddocent Europees en internationaal recht, duidt de zaak in een interview voor Al Jazeera.

What has European integration meant for the role and powers of Heads of State? And what should it mean, both at the EU and at the national level?

On 21 January 2019 Barbora Budinska and Melanie Fink, researchers at the Europa Institute, spoke at the Workshop ‘Accountability and Control of European Multilevel Administration: Current Challenges in EU Administrative Law’.

Vice-President Vance uitte bij zijn recente bezoek aan Groenland kritiek op Denemarken. Trump had eerder al afstand genomen van Europa. Luuk van Middelaar, hoogleraar Grondvesten van de Europese Unie, en oprichter van het Brussels Instituut voor geopolitiek, deed een analyse over de situatie in Nieu…

After the Brexit referendum in the United Kingdom, Switzerland is worried about what this will mean for its relationship with the European Union.

On 22 November 2018, Henk Hulshof and dr. Yannick van den Brink from the Department of Child Law participated in a juvenile justice conference in Ulaanbaatar, Mongolia. The central theme of the conference was ‘establishing a child-friendly criminal justice system in Mongolia’.

The Dutch conservative VVD party plans to make the right to family reunification more difficult for people with temporary residence permits. In Germany, this restriction led to several lawsuits which were won by status holders. Mark Klaassen, Assistant Professor in Migration Law, believes this is a…

Frontex, the European Border and Coast Guard Agency, is currently facing serious criticism. Over a short space of time, it has been significantly expanded. And the larger the Agency becomes, the more often it comes under fire.

On 8 December 2017, the European Commission decided that the International Skating Union (ISU)’s eligibility rules, which impose severe penalties on athletes participating in speed skating competitions that are not approved by the ISU, are in breach of EU competition law.

“The union’s 60th birthday is not a moment for gifts and cake, but for reinvention around three new strategic idea. (…) The new Europe must protect, improvise and tolerate opposition”. This is what Prof. Luuk van Middelaa, Professor of Foundations and Practice of the European Union and its Institutions,…

On 19 November 2018, the American Bar Association (ABA), Section of Antitrust Law organized a teleconference “Sports and Antitrust: Breaking the Ice”.

On Monday 22 January 2024, the University of Florence hosted the conference 'Artificial Intelligence, between Ethics and Law'. Organised by the Department of Legal Sciences, the conference brought together leading experts to discuss the rapidly evolving landscape of artificial intelligence (AI) and…

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.

Democracy in Action is a Horizon Europe-funded initiative exploring how grassroots movements, cultural spaces, and digital innovations can strengthen democratic participation. With a special focus on youth, women, ethnic minorities and night culture, we bring together researchers, grassroots movements,…

Last Wednesday, on 12 May 2021, Leiden University hosted the virtual Young FIDE Seminar. This online event brought together junior EU law scholars and practitioners to discuss the three topics of the main XXIX FIDE Congress, which will take place from 3 to 6 November 2021 in The Hague and of which Leiden…

On Thursday 21 November 2019, the project You&EU, in which Frederik Behre participated, won the Europaeum Scholar’s Prize for their social media campaign during the 2019 EU parliamentary elections.

Na de informele top in het Belgische kasteel van Alden Biesen wil de Europese Unie vaker gebruikmaken van zogeheten kopgroepen via het instrument van enhanced cooperation om besluitvorming te versnellen. In een interview voor Het Financieele Dagblad analyseert Joris Larik (Leiden University College…

Ook Polen wil het recht op een tijdelijk afschaffing op asiel, zo maakte premier Tusk onlangs bekend. Hoe groot zijn de kansen in Brussel en vormt dit een optie voor Nederland? Mark Klaassen, universitair docent Immigratierecht, spreekt over de kwestie in het Algemeen Dagblad.

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.

In the EU Law Live podcast episode ‘Tax, gambling and the internal market’, Vincent Delhomme discusses the recent Admiral Gaming Network case, dealing with the validity under EU free movement provisions of national tax measures in the field of gambling.

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

In the EU Law Live podcast episode ‘Banks under stress and EU law in the latest case-law of the Court of Justice of the EU’, Barbora Budinská talks about a series of judgments concerning the ABLV Bank Latvia and its subsidiary, ABLV Luxembourg.

Prof. Mark Leiser and a team of thirteen law students from Leiden University’s Advanced LLM programmes in European and International Human Rights Law as well as in Law and Digital Technologies together drafted a report for the UN Special Rapporteur on the Promotion and Protection of the Right to Freedom…

In het onderzoek van docent Martijn Nouwen wordt voor het eerst aan het grote publiek blootgelegd hoe de ‘geheime’ Europese Gedragscodegroep er niet in is geslaagd om verschillende vormen van schadelijke belastingconcurrentie uit te bannen.

On 23 March 2016, Dr. Nelleke Koffeman, Assistant Professor at the Europa Instituut of Leiden Law School, taught at the University of Milan (Italy) at the invitation of Dr. Chiara Ragni.

This project is part of a broader research agenda aiming to better understand the relationships between the development of contemporary security concerns and the evolution of forms of security cooperation and crisis governance.