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”.

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

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

How is law shaped by and shaping social, political and economic change in Indonesia?

One of the recurring points of discussion within the Criminal Justice research programme is the question of what behaviour should or should not fall within the scope of criminal law. This research theme is examined from a legal-dogmatic and social-scientific perspective.

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

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 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.

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?

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 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 ?

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.

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.

Is the legitimacy of law and governance of multilevel jurisdictions diminishing? What is the significance of (diminishing) legitimacy for the effectiveness of law? These kinds of questions about the legitimacy of the supranational formation of law, its application, and the policy and governance based…

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 impact of the coronavirus crisis on the judicial system.

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

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

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

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.

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 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).

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.