This course explains the functions of each international court and tribunal in The Hague. On the basis of cases and interviews with judges and lawyers, this course explores the role of these courts and tribunals and their potential to contribute to global justice.

Find out which documents you need to apply for the MSc International Politics at Leiden University: diplomas, transcripts, CV, motivation letter, recommendation letters, and supporting materials.

See which documents are required to apply for the MSc International Organisation at Leiden University: transcripts, diplomas, CV, motivation letter, recommendation letters and supporting materials.

In this project we investigate how the professional development around the theme of inquiry based teaching of teachers from three international schools takes place.

What Determines Perceptions of Bias toward the International Criminal Court? Evidence from Kenya. In this article, published on the website SAGE Journals in the Journal of Conflict Resolution, the authors Geoff Dancy, Yvonne Marie Dutton, Tessa Alleblas, Eamon Aloyo examine the attitude towards international…

International Dispute Settlement and Arbitration (LL.M.) is a postgraduate programme about international dispute settlement & arbitration in international law.

In 2023, many of our students and staff won great prizes and secured important research grants.

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).

Leiden University’s Master of International Civil and Commercial Law (L.L.M.) examines the interrelated layers of hard law, soft law, and relevant case law.

Few events have influenced our global order as intensely as the events of September 11, 2001.

View the tuition fee details for the MSc International Organisation at Leiden University: statutory rates for EU/EEA applicants and institutional fees for non‑EU students.

View the tuition fee details for the MSc International Politics at Leiden University: statutory rates for EU/EEA applicants and institutional fees for non‑EU students.

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

Our Master Law in European and International Human Rights Law (LL.M.) looks at the various human rights protection mechanisms from a comparative perspective

On 5 September 2017, Alessandro Tonutti defended his PhD dissertation

This book offers a comprehensive, critical overview of current research on knowledge and expertise in international politics that helps readers navigate the growing literature in the field and explore new research agendas.

In our European and International Business Law Advanced Master programme, you learn to decipher the hierarchy of European & international business law

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.

Growing public backlash against international organizations (IOs) and attacks of national political elites on the rule of law increasingly challenge governance by IOs.

On 21 February 2019, Ruben Zandvliet defended his thesis 'Trade, Investment and Labour: Interactions in International Law'. The doctoral research was supervised by Prof. dr. N.J. Schrijver.

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…

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.

The Future of Multilateralism addresses current challenges and future perspectives of international and regional organizations. It aims to uncover how stable the foundations of global cooperation really are, particularly in the light of the latest unilateral and protectionist practices of international…

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

Are you thinking about studying European and International Human Rights Law? Learn more and watch the videos.

Are you thinking about studying this Advanced LL.M. International Dispute Settlement and Arbitration? Learn more and watch the videos.

On 9 November, Jonathan Hak defended the thesis 'Non-textual evidence in international criminal prosecutions: discovering the best practices for audiovisual materials in a digital age'. The doctoral research was supervised by Carsten Stahn and Jens Iverson.

Study information

ISBA2025

The International Institute of Air and Space Law (IIASL) offers PhD candidates the possibility to enroll in the IIASL PhD Track.

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…