In important cases before the Court of Justice of the European Union (ECJ) in Luxembourg, judgments are preceded by an Opinion of an advocate general. These Opinions are not binding on the Court, but are highly influential in practice.

From 18th -21st May, a delegation of the Europa Institute attended the 27th biannual FIDE congress in Budapest, Hungary.

On Tuesday 14 June, the Europa Institute welcomed Martijn Stronks, Assistant Professor at the Amsterdam Centre of Migration and Refugee Law of the Vrije Universiteit Amsterdam, for its third ‘Meet the Author’ event.

Following the Mangold and Kücükdeveci case law of the CJEU, the horizontal direct effect of EU general principles and of provisions of the Charter of Fundamental Rights became a hotly debated issue.

Moritz Jesse and Daniel Carter, both members of the Europa Institute in Leiden, participated in the Conference ‘EU Citizenship and Federalism: The Role of Rights’ in November 2017.

The Rt. Hon. the Lord Mance, Judge at the Supreme Court of the United Kingdom delivered the Europa Lecture on 29th September 2016 in the Grand Auditorium of the Academy Building at Leiden University. The lecture was entitled: “Jurisdiction, judgments and proper law relating to states outside the Brussels…

The excavation of three Bronze Age barrows and surrounding landscape at Apeldoorn-Wieselseweg

Margrethe Vestager, European Commissioner for Competition, will deliver the Europa Lecture on 14th June 2017 in the Grand Auditorium of the Academy Building at Leiden University.

On 24 May, Iyiola Solanke, Jacques Delors Professor in EU Law at the University of Oxford's Faculty of Law and Fellow of Somerville College, gave the annual Europa Lecture organised by Europa Institute in Leiden Law School's historic Lorentz Lecture Hall. Her lecture was entitled ‘A decolonial approach…

The Netherlands holds the presidency of the European Union for the coming six months. There are too many urgent issues for the country to spend time on Dutch political hobby horses, says Stefaan Van den Bogaert, Director of the Europa Institute.

Organised by the Common Law Society of Charles University, Prague, the summer school takes place during two weeks in July at the University’s mountain house 'Patejdlova bouda'.

Under the direction of Professor Thomas Jaeger, the University of Vienna in cooperation with the Austrian Society for European Law organises regular 'European Law Workshop Talks'. On 19 May 2022, a lecture given by Christa Tobler on the topic '

Christa Tobler and Jacques Beglinger (guest lecturer at Leiden Law School) in collaboration with Veronika Yefremova have developed a number of introductory charts on the legal relationship between Ukraine and the European Union.

Armin Cuyvers, Stefaan Van den Bogaert and Veronika Yefremova taught in the course on History, Principles and Institutions. The online course took place within the context of the 2025 Summer School in European law for Ukraine, organised by the Kyiv Institute for European Integration and Concordia Un…

On 26 and 27 February the Odysseus Network organised its annual conference on the very topical subject of Solidarity in the EU’s asylum and border policies.

On 8 June, the Europa Institute’s annual Europa Lecture took place at the Telders Auditorium of the Academy Building. Honorary speaker was Tamara Ćapeta, Advocate General at the Court of Justice of the European Union. Her lecture explored the role of Advocates General at the Court of Justice in its…

On 6 December, the Clingendael Institute on international relations, organised a round table on the occasion of the publication of its report on the instrumentalisation of migration.

The EU has been negotiating a trade deal with Mercosur, a South American trade bloc, for over 25 years. In recent weeks, significant progress has been made. Commission President Ursula von der Leyen met with Mercosur leaders in Asunción, Paraguay, on 17 January to sign the deal.

Vasiliki Kosta spoke at the conference ‘The role of civil society in the protection of the rule of law’ organised by the Ministry of Justice of the Republic of Poland as part of the Polish Presidency of the Council of the EU, which took place on 22 – 23 April.

On 7 October, the Brussels Institute for Geopolitics was launched on the margins of an informal EU leaders’ summit in Prague. The initiative will provide a hub for high-quality research on Europe’s geopolitics, thus enabling the European Union to develop its strategic capacities.

A Niels Stensen Fellowship has recently been awarded to Vestert Borger. Since the 1960s, the Fellowship is awarded each year to 6 or 7 scholars at Dutch universities across all disciplines who have recently defended their doctoral dissertation. The Fellowhip enables them to conduct research abroad at…

On 8 July, the Young Researchers Group of the European Banking Institute organised the 11th edition of the EBI YRG Virtual Workshop Session. Barbora Budinská presented her research on judicial review of national law applied by the ECB in banking supervision

After almost 40 years, the biannual congress of the International Federation of European Law (FIDE) returns to the Netherlands!

The 62nd London-Leiden Conference, held on June 24, 2023, aimed to explore the theme of

Earlier this month, the Europa Institute organized an internal discussion on the German PSPP-judgment. For the first time, the German Constitutional Court declared acts of EU institutions as manifestly excessive and thus as ultra vires acts under German constitutional law. During an online debate, various…

Andreas Müller of the University of Basel (Switzerland) and Werner Schroeder of the University of Innsbruck (Austria) together organised a “three country conference” (Austria, Germany, Switzerland) on strategies of legal opening towards European law, or “Europe-friendliness”

On 13 December 2024, the yearly ‘Constitutional Law Conference’ took place at Leiden Law School. The central theme of the conference was ‘The Constitution outside the Constitution’.

On 16 November 2018 Armin Cuyvers presented some legal strategies to soften the much criticized absolutist approach to autonomy by the European Court of Justice in Achmea. His main argument was that, as a general principle, autonomy can and should be weighed against other general principles.

When we think of unethical medical experiments, we tend to think first of Nazi Germany. What is less well known is that experiments were also carried out in colonised areas without the explicit consent of the test subject. University lecturer Fenneke Sysling has received a European grant to research…

Nadine Akkerman has received a subsidy of two million euros from the European Research Council (ERC) for research into 16th and 17th century English manuscripts. Akkerman: ‘Working with handwritten texts and unravelling their mysteries is one of my passions, and it’s especially rewarding when this work…

As a student, university lecturer Berthe Jansen fell under the spell of the Van Manen collection: a collection full of Tibetan writings and objects. A €1.5 million grant now makes it possible to take a really close look at it. 'There is still so much to do and discover.'

Starting April 2026, Niels van Willigen will join the Institute of Political Science at Leiden University’s Faculty of Social and Behavioural Sciences as Professor by Special Appointment in Strategic Studies. This appointment was made possible by the Atlantische Commissie, which established this chair…

On 28 January 2022, the Department of Legal Studies (Central European University), the Europa Institute (Leiden University), and the ESIL Interest Group ‘The EU as a Global Actor’ hosted an Expert Panel Discussion on the topic 'AI in the EU and Access to Justice'.

Moritz Jesse and Elena Kukovica attended the 2024 IMISCOE Annual Conference in Lisbon which was held from 2 to 5 July 2024.

The volume includes contributions on various aspects of the legal relationship between Switzerland and the European Union.

On 16 November 2023, Dr Joris Larik gave a presentation in the framework of the webinar series of the Centre for Inclusive Trade Policy, a UK-based centre of excellence for innovative trade policy research. Dr Larik's presentation was entitled 'Virtuous rivalry? The EU’s and UK’s normative trade policies…

On 3 August Frederik Behre, PhD candidate at the Europa Institute, taught an international group of students and practitioners at the annual Summer School specialized in Information Technology Law organized by the Institute for Legal Informatics at the University of Hannover.

EU Law Live is holding an online symposium on the theme of 'Climate Protection as a European Fundamental Right under the ECHR', with staggered online contributions.

On 16 June 2017, the 3rd CML Rev on tour took place in Berlin. The workshop on ‘The EU and Globalisation: Assets and Liabilities’ was organized in cooperation with LMU Munich and the Wissenschaftskolleg zu Berlin.

In a week in which the threat of violent protest against taxi platform Uber made headlines from Athens to Amsterdam, Jorrit Rijpma (Europa Insitute) and Sophia Ranchordás (Groningen University) organised an Leiden Law Exchange (LLX) Roundtable on the recent judgment of the European Court of Justice…

The legal relationship between Switzerland and the EU dates back to the 1950s and 1960s, when Switzerland concluded its first agreements with the then European Communities. Since then, numerous other agreements have been concluded. In view of this long history of development, it is not surprising that…

On 23-24 October, 2023, Simona Demkova spoke at the meeting of Transnational Administrative Law Network on the transnational challenges of the EU large-scale informational cooperation, based on her recently published book, 'Automated Decision-Making and Effective Remedies'. The theme of this TALN meeting…

Nikoleta Yordanova, a political scientist at Leiden University, will lead an international research consortium funded by the European NORFACE Network to complete a multi-disciplinary project ‘Willingness and Capacity for EU Policy Action in Turbulent Times: Conflicts, Positions and Outcomes’ (EUINACTION).…

Between 18 and 29 March 2024, a group of 28 civil servants and policymakers from pre-accession countries participated in the Matra Rule of Law Training Programme on the Management of Borders. This event was organised and hosted by Leiden University at its campuses in Leiden and The Hague.

The emergence of metalwork deposition during the Bronze Age in Northwest Europe, c. 2300-1500 BC

A broad package of measures has been launched to deepen and expand the EU-Switzerland relationship. Christa Tobler was interviewed by both Süddeutsche Zeitung and ARD/Deutschlandfunk about these developments.

Christa Tobler appeared as an expert on European law in the political programme