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

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 8 July 2020, Andres Sarmiento Lamus defended his thesis 'The Proliferation of Dissenting Opinions in International Law'. The doctoral research was supervised by Prof. L.J. van den Herik and Prof. Y.A.A.S. Radi (UCLouvain).

How can legal education in Indonesia become more relevant for graduates who will work in contexts of legal pluralism, aiming for social justice and providing legal services that common citizens need?

Law & Business Administration is a specialisation of the master’s programme Rechtsgeleerdheid (Law) at the renowned Leiden Law School of Leiden University.

This book explores the relationship between tragedy and the justice that is sought in moral philosophy and the law. It shows how our moral and legal judgments can be seen as aesthetic or tragic judgments, and it considers what kind of passion or vocation moves the science and scholarship of law.

The Labour Law and Social Security department provides both bachelor’s level and master’s level teaching.

This master’s programme introduces the student to philosophical issues concerning the foundations of law, politics, and policy. This master’s programme is meant for students who wish to combine a master’s in Law, Political Science, Public Administration, or an adjacent discipline with master’s coursework…

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.

On 5 June 2018 Emile Beenakker defended her doctoral thesis ‘The implementation of international law in the national legal order: A legislative perspective’. The doctoral research was supervised by Professor W.J.M. Voermans.

How can we assist Universitas Indonesia's department of International law to improve their educational and applied research programs on Transnational Law, Asset Recovery and International Investment Arbitration, with an eye on Indonesia’s security and rule of law reform agenda and the needs of the…

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

Sustainability and the law lecture series featuring guest speakers discussing legal and social aspects.

What are the rights of migrants in Morocco and how do this receiving state and migrants deal with them in practice?

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…

The Grotius Centre, in collaboration with Duke Law School, will be hosting the Duke-Leiden Institute in Global and Transnational Law from 16 June to 17 July 2019 in The Hague, the International City of Peace and Justice. Applications for the second edition are now open!

Ruling Overseas: Connected Practices of Governance of Law

An analysis of people’s access to justice and the working of (legal) institutions in post-conflict, democratic Libya

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.

On 23 April, Andreas Häuselmann defended the thesis 'EU privacy and data protection law applied to AI: unveiling the legal problems for individuals'. The doctoral research was supervised by Gerrit-Jan Zwenne and Bart Custers.

Leiden University’s Master of Laws in Advanced Studies in International Financial Law (L.L.M.) examines the complex, international and multidisciplinary area of law and finance: markets, regulation and a sustainable society.

This article investigates the causes and examines how differing public perceptions of the rule of law contribute to this trend.

On 24 juni 2021, Jing Zhang defended his thesis 'The Rationale of Publicity in the Law of Corporeal Movables and Claims'. The doctoral research was supervised by Prof. H.J. Snijders and J.A. van der Weide.

The drafting of a handbook that serves as the first guide to European law in the area of children's rights, taking into account the case law of the European Court of Human Rights and the Court of Justice of the European Union (CJEU), as well as the decisions of the European Committee of Social Rights…

On Thursday 20 May 2021, Tania Li delivered the annual Van Vollenhoven Lecture.

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.

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…

An important component of your Law and Society master consists of extracurricular activities.

The impact of the coronavirus crisis on the judicial system.

On 18 June 2019, Neta Palkovitz Menashy defended her thesis 'Regulating a Revolution: Small Satellites and the Law of Outer Space'. The doctoral research was supervised by Prof. dr. P.M.J. Mendes de Leon and Prof. dr. G. Molier.

What started as pioneering work, has evolved over decades to become a renowned institute in 2025 with an internationally acclaimed master's programme. 'Almost everyone involved in the aviation and space sector knows us in Leiden.'