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.

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.

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

The nominees for the IRO thesis prize 2023 and the Prof. Dr. J.Th.J. van den Berg-prijs 2023. Who wrote the best bachelor theses in Political Science?

When we talk about the Kingdom of the Netherlands, it is not just about the Netherlands. On the contrary: our Kingdom consists of no less than four countries, three of which are Caribbean islands. This structure is complex, to say the least. Although all countries are officially equivalent, in practice…

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

Over the course of the 20th century, politicians increasingly came to rely on experts. Their language was peppered with terms like ‘policy pathways’ and ‘evaluation frameworks’. This made debates more abstract and less ideological.

Which research methods do scholars of public international law use? Researchers at Leiden University in the Netherlands are collecting information about the research methods used across the globe in the field of public international law.

Festival

Leiden University continues to do well in the Times Higher Education World University Rankings. For the subject area Politics and International Relations, the 2018 edition ranks Leiden 67th in the world. This is not that far behind the ‘usual suspects’ (Cambridge, Stanford, MIT and the like). Among…

This article traces the evolution of interpretations of international law and international cyber norms on responsible state behaviour in cyberspace by reassessing five major – and allegedly state-led – cyber operations: Stuxnet 2010; Belgacom 2013-2014, the Ukrainian power grid 2015, the US presidential…

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.

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.

On 18 March 2020, Hoko Horii defended her thesis ‘Child Marriage as a Choice. Rethinking agency in international human rights’. The doctoral research was supervised by prof. A.W. Bedner and prof. G.A. van Klinken.

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…

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.

Chaider Bamualim defended his thesis on 9 September 2015

Our constitutional democracy is under pressure. Politicians are increasingly bending rules and institutions to their will, often in small steps. PhD candidate Jorieke Manenschijn warns that through a combination of subtle changes we can cross a line without realising it.

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

No evidence found that increasing migration leads to an increase in politically and ideologically motivated criminality. Migration flows have, however resulted in increased polarisation in the Netherlands.

Who tried to influence the mission and position of the Dutch security services between 1912 and 1992, what effect did that have on the form and contents of the security services? How to account for transformations of the security services?

Mr. Ade Jaya Suryani defended his thesis on 28 January 2021

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.

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…

In ‘Dimensions of Free Speech’, Devrim Kabasakal Badamchi (Leiden University Institute of Political Science) offers a new theoretical framework for free speech by critically analysing the major justifications for free speech. Kabasakal Badamchi argues for a justification: namely the double-grounded…

The Board of Governors of Leiden University has confirmed the appointment of Professor André Gerrits (Institute for History, currently in the field of Russian Politics and History) to the field of International Studies and Global Politics, commencing October 1st 2015.

This volume offers an innovative analysis of Roman political culture in Italy from the first to the sixth century AD on the basis of seven case studies.

MPs in the Netherlands are first and foremost motivated by their direct environment, i.e. the parliamentary and partisan institutions.

ISBA2025

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

Christina Toenshoff has been awarded the Virginia Walsh Dissertation Award for her PhD dissertation on corporate climate lobbying. The Leiden Political Scientist, according to the jury, ‘makes a significant contribution to the study of climate and business politics.’

The latest book by political scientist Matthew Longo came out this spring: 'The Picnic: A Dream of Freedom and the Collapse of the Iron Curtain'. In addition to its many favourable reviews, the book received the prestigious Orwell Prize this summer, which highlights exceptional books on politics.