The euro crisis of 2010 has shown that the Eurozone lacks economic cohesion and that EU fiscal integration is needed for a stable euro. But can this integration exist without clashing with the national constitutional interests of the Member States? Frederik Behre looked into this matter in his PhD-thesis…

The Hazelhoff Centre for Financial Law provides academic teaching and performs research in the field of financial law.

The International Air Law Moot Court Competition is a unique opportunity for students seeking to gain experience in the development of arguments in the field of international law and international air law, while also establishing contacts around the world.

The department of labour law is responsible for teaching and researching labour law and social security law. Both exciting and topical issues.

Public International Law is a one-year Master’s specialisation at the internationally acclaimed Leiden Law School at Leiden University. The programme focuses on the legal framework that governs international relations in an increasingly complex global society.

On 18 May 2011, Dr. Ben Knapen, Minister for European Affairs and International Cooperation, delivered the annual Van Vollenhoven Lecture on “Rule of Law and Development”.

The international legal order is in a process of transformation. But how transforms globalization the international legal order? This research programme provides a clearer framework to analyze this..

Leiden University’s Master of Laws in Advanced Studies in Law and Finance (L.L.M.) examines the complex, international and multidisciplinary area of law and finance.

This book offers a comprehensive analysis of the international law applicable to cyber operations, including a systematic examination of attribution, lawfulness and remedies. It demonstrates the importance of countermeasures as a form of remedies and also shows the limits of international law, highlighting…

Few problems occupy the minds of European policy and lawmakers as much as the impending Brexit. With developments moving fast and insecurity rising, national parliaments are taking on an increasingly assertive role. The Europa Institute therefore organised a Leiden Law Exchange on Brexit, parliaments…

The Role of Law in Libya’s National Reconciliation (RoLLNaR) was a research project that ran from 2017 to 2020. It identified and assessed the role of law – both actual and potential, enabling and constraining – with regard to major challenges of reconciliation in Libya. The project was led by Dr. Suliman…

The topic of conversation at The Great Continental Breakfast the morning after the EU elections in the Netherlands was the election campaign, the – lacking? – constitutional basis of the EU and the Timmermans effect. ‘These were the most normal EU elections ever!’

In his thesis Tjandra analuses the development of labour law in Indonesia. He focusses on the developments after the fall of the Soeharto regime (1998), the so called reformasi period.

To what extent does the Law Ombudsperson for Children achieve its goals as intended by the legislator when introducing the law?

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.

On 9 September 2020, Ruben de Graaff defended his thesis 'Concurrence in European Private Law'. The doctoral research was supervised by Prof. A.G. Castermans and Prof. S.C.G. Van den Bogaert.

Are UN sanctions regimes in need of further formalization in terms of substantive design, procedural architecture and with a view to regulating and governing the interplay with other regimes?

The department of Constitutional and administrative law is situated in the Kamerlingh Onnes building

The Council of State in the Netherlands has drawn up a programme of reflection to evaluate the role of the highest administrative court in the child benefits scandal and to learn lessons for the future.

Although sexual abstinence before marriage is no longer the central message in The Netherlands the affective relationship as a criterion for professionals within criminal justice can be seen as a more contemporary version of marriage.

The introduction of a compulsory coronavirus entry pass in the workplace is currently being considered behind the scenes. Dutch Minister of Health Hugo de Jonge spoke about this at the press conference on Tuesday 2 November. But such a measure is not without problems.

SAILS Workshop III on AI, Decision Making & Law: Roadblocks for AI, Decision Making & Law and how to overcome them

SAILS Workshop III on AI, Decision Making & Law: Roadblocks for AI, Decision Making & Law and how to overcome them

How can international investment law and arbitration take account of the public interest in, and more broadly, the public dimension of, the relations between foreign investors and host States ?

Just published: United in incoherence – Private law concepts under pressure from European financial law (in Dutch), in: Tijdschift voor privaatrecht 2017-4

In the aftermath of the childcare benefits affair in the Netherlands, the treatment of citizens by public authorities is more often a subject of discussion. This also applies to the period within which citizens can lodge an objection to a government decision.

In February 2014, the Swiss voting population accepted a constitutional initiative that aims at limiting migration through quota and, in the field of employment, national preference.

On 12 mei 2020, Darryl Robinson defended 'Exploring Justice in Extreme Cases: Criminal Law Theory and International Criminal Law'. The doctoral research was supervised by Prof. C. Stahn.

The Advanced Master's specialization International Criminal Law at Leiden University examines international criminal law and international criminal procedure.

In this policy brief, Dennis Broeders, Els De Busser and Patryk Pawlak discuss attribution of in cyberspace from three different perspectives: criminal law, international law and policy. Published together with EU Cyber Direct.

Criminal Law and Criminology is is a specialisation of the master’s programme Rechtsgeleerdheid (Law) at the renowned Leiden Law School of Leiden University.

Louis Honée, a student assistant for the Thorbecke chair and the Department of Constitutional and Administrative Law, is one of the new European Universities Debating Champions. Together with his team partner, he beat around 150 teams in the English as a Second Language category.

More and more countries have decided to introduce compulsory vaccination. According to various experts, compulsory vaccination, under certain conditions, could help the situation in the Netherlands.

At the request of outgoing minister Stef Blok, the Province of Groningen wrote a letter to support the minister in his rejection of two amendments by the Dutch House of Representatives.

Our Advanced Master Air and Space Law (LL.M.) combines public air law, private air law and space law from a European and an international perspective.

On Wednesday 13 December 2017 René Hage defended his doctoral thesis entitled ‘Handhaving van privaatrecht door toezichthouders’ (Enforcement of private law by regulatory authorities).

On 30 June 2016, Eesa Fredericks is expected to defend his Ph.D.-thesis ‘Contractual Capacity in Private International Law’ in Leiden. Supervisors are prof. Sierd J. Schaafsma (Leiden) and prof. Jan Neels (Johannesburg).

Our Master Public International Law (L.L.M.) you will gain understanding of the legislation that governs international relations in a complex global society

On 17 and 18 November 2016 the World Bank in Washington, D.C. hosted the Fourth International Conference on Legislation and Law Reform.

Law and Digital Technologies (L.L.M.) examines the legislation and governance regarding internet, computers, persuasive technologies and ambient intelligence.

The International Institute of Air and Space Law is one of the leading international academic research and teaching institutes in the world, specialising in legal and policy issues regarding aviation and space activities in the broadest sense of the word.

The Institute of Tax Law and Economics at Leiden Law School has three departments: the Department of Tax Law, the Department of Economics and the Department of Business Studies. The Institute brings together research and teaching at the point at which, on the one hand, law and, on the other, fiscal…

Recent insolvency cases highlight the growing importance of cross-border insolvency matters in international transactions. To this end, many instruments have been introduced and implemented in recent years across the world. At this page we present a selection of relevant instruments in the field of…

With regard to governance, policies and law, many Muslims and Muslim countries recognise the possibility that Islam has something important to say about the way society is to be ordered, governed, and regulated.

Leiden Law Practices (LLP)

Just published: European Banking and Financial Law Statutes Published by Routledge

The Summer School on International Humanitarian Law is designed by the Grotius Centre Kalshoven-Gieskes Forum on International Humanitarian Law. The 6th edition will take place from 4 to 8 July 2022 in The Hague. Applications are now open!

How to explain the apparent high success rates of the EU infringement procedures, which are the major tools for enforcing EU law, against the member states?