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).

Taking the changing landscape of international cyber security and cyber conflict as a point of departure, The Hague Program on International Cyber Security focuses on the various modes of governance that states and other actors can bring into play to deal with and shape the strategic changes and challenges…

The fifth edition of the Owada Chair Symposium, that was held in Leiden on 14 and 15 October 2025, highlighted the law and politics of international criminal justice.

Political Science: National and International Politics is a broad study with a lot of depth. You will study political issues at the local, national and international levels, from a variety of perspectives. You will be taught by renowned, committed professors. In Leiden you will find a real student city…

Home to the International Court of Justice and the International Criminal Court, The Hague is the perfect backdrop to explore conceptions of justice in our global society. Questions of human rights, peace, security and the environment present legal and policy challenges for governmental and non-governmental…

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.

Study information

Organized by the Grotius Centre for International Legal Studies, this programme enables students and professionals from all over the world to engage in discussions on the prospects and challenges of international criminal justice. Registration is now open!

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 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 development of space resource activities is happening now. In the absence of a clear framework to govern these activities, there is a need to examine the concepts that are being discussed in order to ensure that they meet existing treaty obligations regarding on-orbit operations and space resource…

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

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.

News

Study information

The main objective of the Telders International Law Moot Court Competition is to challenge students to excel in international law, consequently testing their creativity and powers of persuasion in a friendly competition. Students and academic staff throughout Europe consider participation to be a great…

The Basics and Applications to Plant Sciences will be held physical. See below for more information.

On 26 juni 2018, Claire Achmad defended her doctoral thesis 'Children’s Rights in International Commercial Surrogacy: Exploring the Challenges from a Child Rights, Public International Law Perspective'. The doctoral research was supervised by Prof. Dr. Mariëlle Bruning.

Discover the admission requirements for the MSc in International Politics at Leiden University in The Hague: bachelor degree, 80 ECTS in political science, and English language proficiency (IELTS/TOEFL).

Are you thinking about studying Public Administration: International and European Governance? Learn more and watch the videos.

Don Scott De Amicis will give the sixth Hazelhoff Guest Lecture on international development finance: challenges and opportunities.

Note the application deadlines for MSc International Politics at Leiden University: 1 April for visa-required applicants and 15 May for EU/EER applicants, with separate housing deadlines.

Explore the extra challenge options for the MSc International Politics at Leiden University, including honours tracks, leadership programmes, and interdisciplinary seminars.

Are you thinking about studying this Advanced LL.M. International Children's Rights? Learn more and watch the videos.

Study information

Leiden University College The Hague (LUC) is the international Honours College of Leiden University and offers an innovative Liberal Arts & Sciences undergraduate programme to highly talented and motivated students from all over the world.

This book offers readers an alternative history of the origins of the discipline of International Relations.

Prepare for the MSc International Politics at Leiden University: orientation sessions, academic resources, visa guidance and student support – everything you need before you start.

The project explores the impact of the clash between defenders of a rules-based order and international law on global governance and the future of legal systems.

This article studies the influence of framing on preferences for cooperation with the EU.

Follow the step-by-step application guide for the MSc International Politics at Leiden University—covering admission requirements, deadlines, documents, procedure and next steps in The Hague.

On dinsdag 26 juni 2018, Linlin Sun defended her doctoral thesis ‘International Environmental Obligations and Liabilities in Deep Seabed Mining’. The doctoral research was supervised by Prof. dr. N.J. Schrijver en Prof. dr. E.C.P.D.C. De Brabandere.

On 9 April 2019, Yudan Tan defended her thesis 'The Rome Statute as Evidence of Customary International Law'. The doctoral research was supervised by Prof. dr. W.A. Schabas.