Mariana Gkliati participated with a paper presentation at the Panel: European borders and the role of Frontex, on 29 November in Trento.

The EU Returns Directive is an important instrument to humanely return third-country nationals without lawful residence to their country of origin. However, the return of third-country nationals remains problematic for a number of reasons.

How do you increase the EU’s EQ so that citizens and countries feel a greater sense of belonging and safety in the EU, and the countries work better together? To answer this question, Professor of European Law Armin Cuyvers works, among others, with social psychologists. Inaugural lecture on 9 Decem…

In a sailboat, a canoe or stowed away on a ship: during the Second World War, many Leiden students tried to cross the sea to join the Allies in Britain. ‘Soldier of Orange’ is the most famous, but who were the other ‘England voyagers’ or Engelandvaarders as they are known?

Dr. Moritz Jesse, Associate Professor European Law at the Europa Institute, gave a lecture about Migration and Asylum on Thursday 22 February 2018.

How does Russia use propaganda and what characterises Russian propaganda in terms of language and argumentation?

Monday June 18th the department of European Prehistory of the Faculty of Archaeology started a five-year research (2018-2022) of two newly discovered barrow groups: Baarlo-De Bong and Venlo-Zaarderheiken (northern Limburg).

On Wednesday 18 November 2021, Jorrit Rijpma was part of a panel at a conference organised by ERA, Academy of European Law. The question discussed was how the protection of the EU’s external borders and Schengen could be best achieved.

From 10-13 June, Martijn van den Brink participated in the EU Law Mountain Seminar in the Czech Republic. This event is a regular gathering of scholars interested in public law in Europe founded by Marco Dani and Jan Komárek in 2017. These are closed events where selected researchers discuss their ongoing…

The Editorial comment in the June issue of the Common Market Law Review examines three different aspects of the rule of law in relation to the European Union. Despite, or because of, the many challenges facing the Union, these questions are of continuing importance. The Union itself is based on legal…

On 28 June 2024, Dr Kristof Gombeer spoke on State jurisdiction and the protection of people at sea at the 81st Biennial Conference of the International Law Association (ILA) in Athens, Greece.

On 23 May 2025, Olga Ceran spoke at the ICON-S Benelux Chapter conference dedicated to ‘Public Law in an Age of Contestation and Systemic Change’. This conference was organised by the Université libre de Bruxelles, in collaboration with the Centre de droit européen and the Centre de droit public et…

On 11 October, the roundtable entitled ‘Academic Freedom – Theoretical Perspectives’ took place at Leiden University's Academy Building. This event was organised as part of the Vidi research project entitled 'The EU fundamental right to 'freedom of the art and sciences': exploring the limits on the…

The passport issue concerning ineligible football players seemed to have been resolved, but NAC Breda can cause new unrest with a lawsuit. Stefaan Van den Bogaert, Professor of European Law and sports law expert, comments in ‘NRC’ and ‘Voetbalnieuws’.

This PhD project investigates the different ways in which honorific forms are used in Japanese other than to express politeness, and how different factors affect perceptions about these uses.

On 5 October 2022, Daniel Mândrescu successfully defended his dissertation entitled ‘The application of EU antitrust law to (dominant) online platforms’.

The African, Caribbean, and Pacific Group of States (ACP) and the European Union have maintained a longstanding partnership known as the ACP-EU Partnership.

Study information

Study information

How do societies move forward with sustainable, effective and efficient management of Earth's water resources?

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.

Researchers, civil servants and local residents met on 27 September to talk about partnering for sustainability. What were the results? In a green ‘city oasis’ in the centre of The Hague they spoke about the energy transition, bottom-up initiatives and citizen science.

On 8-10 July, 2024, public law scholars from around the world gathered in Madrid for the annual conference of the International Society of Public Law – the ICON-S, hosted this year by IE University. The theme of the conference “The Future of Public Law: Resilience, Sustainability, and Artificial Intelligence,”…

From 28 October to 2 November, Armin Cuyvers was invited by the University of Nagasaki to lecture on EU integration and Brexit.

Gruni has been invited to Wageningen University on 15 March 2016 to speak on trade issues. What does the historical context from which TTIP emerged tell us about the present negotiations and the direction this trade agreement is taking? How does the TTIP relate to the broader context of global economic…

Last week Mariana Gkliati gave a working group session in the context of the Refugee Studies reading group of the Refugee Law Initiative of the University of London.

Dr. Kosta held a presentation on her research ‘The EU Fundamental Right to ‘Freedom of the Arts and Sciences’: Exploring the Limits on the Commercialisation of Academia’ at the Max Planck Institute for Tax Law and Public Finance in Munich on 25 May 2020.

The Academic Society for Competition Law (ASCOLA) will organize its 11th annual conference from Thursday 30 June to July 2 2016 at Leiden University.

Vasiliki Kosta spoke at the international conference on ‘La liberté academique dans la démocratie universitaire’, taking place at Nantes University on 17 – 18 November 2025.

Vasiliki Kosta has been appointed member of the board of the Young Academy (De Jonge Akademie) of the Royal Netherlands Academy of Arts and Sciences (KNAW).

On 10 May Maarten Aalbers, PhD-fellow and research staff member at the Europa Institute, participated in the “State Aid Compliance Seminar”, hosted by Europa decentraal, the EU law center for local and regional authorities in the Netherlands. Maarten Aalbers presented on the interaction between EU competition…

A recent study in Ecological Economics, led by Leiden environmental scientist Bertram de Boer, states that the European Union could lower its environmental footprint by carefully selecting the countries from which it imports goods. The publication was picked up by Science for Environment Policy, a news…

The last blog of Leiden Law Blog of 2018 was written by Ladislav Kováč. He discusses the proposal for the Single-use Plastics Directive of the EU which was agreed upon on 19 December.

In the context of the Erasmus+ programme on ‘International Credit Mobility’, 17 exchange grants, with a joint worth of €83.000, were awarded to an exchange project between Leiden and East Africa.