Legal education initiative of the Leiden University, the University of Groningen and Universitas Indonesia.

Globalisation leads to more contradictions between national and international tax norms. It therefore seems necessary to revise the fiscal legislation. This is not only due to the problem posed by multinationals, but also to changing norms regarding tax burden distribution. Fundamental research on the…

This Leiden Law School page provides various information on Diversity & Inclusion at the faculty. It explains why D&I are key objectives, lists our current D&I projects, and outlines the faculty’s plans for improvements in these areas.

Just published: Nederlands internationaal privaatrecht Special issue: Private international law and finance

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

The research is part of the Faculty's research program ‘Coherent Private 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 Hazelhoff Centre for Financial Law provides academic teaching and performs research in the field of financial law.

The Business & Law Research Network (BLRN) is a multidisciplinary research and expertise network that focuses on a variety of aspects of doing business within the context of company and insolvency law. BLRN is powered by the Company Law Department and the Department of Business Studies at Leiden Law…

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.

At Leiden Law School of Leiden University, it is possible to take certain courses on a contract basis. As a contract student, you will join the regular students in the classroom. A course certificate is awarded if you pass the exam.

Many academics involved in the area of tax law are also employed by a commercial tax advisory firm. In his inaugural lecture of 30 October 2020, Prof. dr. Jan Vleggeert argued that this combination of 'hats' can undermine the independence of fiscal research and can result in the erosion of the Dutch…

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”.

This section shows some of the most relevant articles that are also related to the topic of the EUTAXGOV Chair.

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: markets, regulation and a sustainable society.

This programme video is presented in Dutch

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…

This edited publication aims at reflecting on the future of discussions on the applicability of international law to States’ use of ICTs in the context of highly politicised discussions at the multilateral level and offering practical suggestions for the European Union to pursue its objectives in this…

How much mortgage interest can I claim back according to law? Or maintenance payments, how much do the tax authorities let me deduct? Many citizens struggle with questions about the application of tax legislation. Roberto van den Heuvel investigated in what way tax legislation should provide clarity…

Are you thinking about studying Public International Law? Learn more and watch the videos.

The Irish meat magnate Larry Goodman is under scrutiny: he is thought to have evaded taxes by using a Dutch company, among other things.

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

Law, Institute of Public Law, Grotius Centre for International Legal Studies

Conference, Seminar

In this course, you will gain a deep insight into the rules that govern armed conflict, and aim to mitigate human suffering on the battlefield. You will explore the why and how of International Humanitarian Law, followed by the different types of conflict.

Leiden Law School - The Department of Company Law (Institute for Private Law) and the Department of Business Studies (Institute for Tax Law and Economics) invite applications for the position of a Full Professor of Insolvency Law.

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.

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?

Mental health issues in the Dutch court: The criminal court as a border guard between the regular Mental Health System and the Criminal Justice system?

The impact of the coronavirus crisis on the judicial system.

Article 10 (2) opening words and (b) of the Trade Mark Directive entitles a trade mark owner to object to infringements of his trade mark by a mark that is 'identical with or similar to the trade mark and used in relation to goods or services which are identical with or similar to those for which the…

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.

A team of three Leiden tax law students have reached the finals of the most prestigious worldwide moot court competition in the field of international and European tax law.

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

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 ?

The Department of Constitutional and Administrative Law of Leiden University is active in education in various ways.

On 18 November 2021, Anneke Keulemans defended the thesis 'Het Unierechtelijke verdedigingsbeginsel'. The doctoral research was supervised by Prof. J.P. Boer and Prof. A.O. Lubbers.

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 central question in this study is: ‘What can the Netherlands learn from the way in which these countries have organized law enforcement and the rule of law in their overseas territories?’

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.

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

The monthly ILS Lunch Seminars have slowly developed into somewhat of a tradition. During this seminar series, all researchers from Leiden Law School can present their research and apprehend in a comfortable setting what researchers from other research programs and institutes are working on.

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

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

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.

Constitutional and administrative law is a specialisation of the master’s programme Rechtsgeleerdheid (Law) at the renowned Leiden Law School of Leiden University. This programme looks closely at the interaction between national and European law.

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