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…

The film Blade Runner as part of the law curriculum? It’s not that weird to Maartje van der Woude, Professor of Law and Society, and Frans-Willem Korsten, Professor of Literature, Culture and Law. ‘The film raises a fundamental question: what’s a human and what’s not?’ From the next academic year onwards,…

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

On November 23, eLaw researcher Helena U. Vrabec participated in a keynote panel at the 2018 Information Law and Policy Centre’s Annual Lecture in London, where policymakers, practitioners, industry, civil society, and leading academic experts addressed and examined the key legal frameworks and policies…

Students from eLaw completed a successful work experience programme researching contact tracing apps at Privacy Company in The Hague.

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.

What are the institutional dynamics of the adoption of internal market legislation?

On 5 September, Elize de Mul defended the thesis 'Digital Döppelgangers: identity in the Culture of Imagination'. The doctoral research was supervised by Simone van der Hof and Esther Keymolen.

The Digital Humanities and Cultural Analytics minor will be offered in the 2026 academic year, and replaces the 2025/2026 Digital Humanities and AI Minor.

In a new blog, Simone van der Hof, Professor of Law and Digital Technology, explains why existing European regulations such as the GDPR, AVMSD, and DSA still fail to adequately protect children from the risks of social media and digital services.

On Friday 3rd February 2017 Leiden University hosted a PhD colloquium in conjunction with the University of Liverpool and the University of Oslo, on the topic of ‘Law and Politics in the European Union’. As part of the Interaction between Legal Systems 2.0 project, the colloquium presentations focused…

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

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?’

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

To develop a new generation of brain science (and train scientists) focused on explaining complex real-world behavioural patterns.

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.

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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 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

Rising geopolitical tensions are causing states and national elites to innovate their use of the past for present-day political ends. This is certainly true for the People’s Republic of China, which celebrated its 75th anniversary in 2024 amid mounting superpower rivalry, ideological tensions with the…

On 4 November 2022, the Conference ‘Modernisering Wetboek van Strafvordering’ was held at the KOG. The conference was organised by JPAO and the Department of Criminal Law and Procedure of the Institute of Criminal Law and Criminology.

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 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 Summer School on International Humanitarian Law is designed by the Grotius Centre Kalshoven-Gieskes Forum on International Humanitarian Law. Registration is now open!

This project aims to answer legally relevant questions in the field of consumer law by means of empirical research.

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.

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…

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

At two recent events, Ben Van Rompuy, Assistant Professor of competition law at the Europa Institute in Leiden, discussed current developments in the application of EU competition rules to regulatory aspects of sport.

On 12 September 2019, Judge Chile Eboe-Osuji, President of the International Criminal Court (ICC), delivered a lecture on Customary International Criminal Law and Head of State Immunity to open the academic year for the Advanced LL.M. Programmes in Public International Law & International Dispute Settlement…