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.

On 23 juni 2019, Zygimantas Juska defended his thesis 'The Role of Collective Redress Actions to Achieve Full Compensation for Violations of European Union Competition Law'. The doctoral research was supervised by Prof. dr. T.R Ottervanger.

International partnerships in which Leiden University participates.

The Law of the European Union is a complete reference work on all aspects of the law of the European Union, including the institutional framework, the Internal Market, Economic and Monetary Union and external policy and action.

How do the starchy botanical foodways reflect upon previous archaeological understandings in the northern and circum-Caribbean?

When the plans for a breakaway Super League in European football were announced this weekend, governing body UEFA threatened to ban all participating clubs and players.

The Master’s in European Union Studies at Leiden University offers students an opportunity to study the EU from multiple disciplinary perspectives.

Fundamental knowledge generated through research increases our scientific and cultural knowledge and wealth, and offers an important basis for developing and innovating products and services, and for deciding how we should structure our society.

European Law is a one-year Master’s specialisation at the internationally renowned Leiden Law School at Leiden University. The programme distinguishes itself by its broad intra-disciplinary approach, covering institutional, constitutional as well as internal market and competition law of the EU in addition…

Professor Geert de Snoo, Dean of the Faculty of Science at Leiden University, has been appointed Director of the Netherlands Institute of Ecology (NIOO-KNAW) with effect from 1 November 2019. He will stand down from his role as Dean of the Faculty of Science with effect from 1 September. De Snoo will…

How many of our laws in the Netherlands are actually determined by the European Union? In many areas, the influence of the EU has increased. But 80 per cent – a figure referred to in 1989 by then European Commission President Jacques Delors – is a very wide estimate. Research from around 15 years ago…

This paper explores whether multilateral surveillance and policy coordination under the ES was based on a path-changing or a path-dependent mechanism

Nietzsche says

Leiden University wants its research and teaching to have a positive impact on society. In an effort to achieve this, many of our researchers collaborate with academic and community partners, non-governmental organisations and the business sector.

This research concerns a network of labour law specialists in the EU. The growing internationalization of the economic market and the employment market has a major impact on legislation and research of labour law. Particularly within the European Union labour law is subject to constant development…

The League of European Research Universities (LERU) was launched in Leiden 20 years ago. This anniversary will be celebrated with a major conference (19 – 21 May) on an urgent theme: How does science contribute to sustainable and resilient societies? We put this question to Kurt Deketelaere, Secretary-General…

The early modern and modern Europeanists at the Leiden Institute of History approach the past from comparative and transnational perspectives, frequently placing the history of our continent in global contexts. Our research covers the geographical and thematic breadth of Europe since ca. 1500, with…

This week, the Court of Justice of the EU heard arguments in the case brought by the Spanish company behind the short-lived 'European Super League' against FIFA and UEFA.

Bernhard Rieger leaves University College in London to research European History after 1945 at Leiden University. He will start as professor of European History on January 15th 2018.

The European courtroom as political arena? Judicial interference in politically charged issues in European asylum law and criminal law

Brian Shaev

As from 1 August 2016 Jannemieke Ouwerkerk will be appointed to the position of Full Professor of European Criminal Law at the Institute for Criminal Law and Criminology of Leiden University. It concerns a full-time position. She will deliver her inaugural lecture on 7 April 2017 at 16.00.

Research at the Grotius Centre for International Legal Studies is primarily carried out under its Research Programme ‘Exploring the Frontiers of International Law’.

Research on this theme concerns Europe’s position in global markets, its response to the emergence of new international trade and financial actors that challenge institutions where Europe has long had considerable influence.

Every year the Leiden Centre for Science and Technology Studies publishes the Leiden Ranking, a league table of universities based on the quality of their academic education. But the data can be used for many different purposes, deputy-director Ludo Waltman explains.

From 1 June 2020, Jorrit Rijpma will be holding the chair in European Law, specialization Area of Freedom, Security and Justice.

EU foreign policy has become increasingly politicised over the past years, amongst others as a consequence of the succession of crises. Crises may engender processes of crisis framing and contestation. This article focuses on how the policy demands being voiced in these processes of contestation are…

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

Research on this theme addresses the systemic risks faced by European societies and affecting the quality of life of European citizens.

The handbook is a wide-ranging survey of a crucial period in prehistory during which many social, economic, and technological changes took place. Written by specialists in the field, the book provides coverage both of the themes that characterise the period, and of the specific developments that took…

How can we understand the implementation of EU policy and what challenges are involved?

The Journal of European Public Policy has dedicated this year’s Special Issue to the theme of European Union Enlargement and Integration Capacity, on the suggestion of Dr. Antoaneta Dimitrova, senior lecturer at the Institute of Public Administration of Leiden University. Moreover, the Special Issue…

Ben Van Rompuy participated as an invited expert in the 22nd Annual Meeting of the Association of European Competition Law Judges (AECLJ), which took place in Berlin between 30 May and 1 June 2024. The event was co-organised by the European Commission.

The article deals with the influence of the Agreement on the Free Movement of Persons between Switzerland and the EU on the international tax separation, more specifically on the tax separation of tax deductions for natural persons.

In our European and International Business Law Advanced Master programme, you learn to decipher the hierarchy of European & international business law

The European Homicide Monitor (EHM) offers a standardized framework for countries and regions to compare homicide characteristics, patterns and trends.

This special issue of the Journal of European Policy presents results from the research on the European Union Enlargement and its Integration Capacity. The Journal of European Public Policy is one of the leading journals in this field.

The European Council and the European Commission have a similar role in agenda setting. Both place issues on the EU agenda. However, these institutions have distinct designs. They have different political attributes (the European Council has considerably more political authority) and information-processing…

Leiden academics research the world around us and pass on their knowledge to future generations. Each with his or her individual expertise and personal fascination for a particular discipline, they are the public face of the University.

High-quality education, a broad choice of courses, and an active international student life in Leiden and the Hague. Leiden University offers you the ideal basis for having the time of your life on an exchange or study abroad programme.

Leiden University aims to equip its students for the world of tomorrow. All our teaching programmes promote international knowledge, global awareness and intercultural skills.

Book presentation

The project Advancing The European Multilingual Experience (AThEME) studied multilingualism in Europe by incorporating and combining linguistic, cognitive and sociological perspectives.

What political factors affect the speed or duration of EU legislative decision-making?

Set up in 1991, this unique project aims to identify and describe the common lexical heritage of the most important Indo-European languages and language branches. The project has thus far resulted in twelve volumes published as The Leiden Indo-European Etymological Dictionary Series (Brill, Leiden).

When EU member states signed the Treaty of Lisbon in 2007, they did not anticipate the manifold crises in store for them over the following years. Instead of the intended consolidation of a Union which had just gone through its most profound modernisation and biggest round of enlargements, the EU has…

International Relations and European Politics is one of the three organisational clusters of the Institute of Political Science.