This book questions the accepted origins of the field of International Relations (IR). Commonly understood to have emerged from the horrors of WW1 with the goal of bringing about world peace, the authors argue that on the contrary, IR came from a somewhat less noble tradition – that of the Round Tab…

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…

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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…

This inaugural lecture discusses the question: How to cooperate in the digital era?

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The central question is whether the current regime of international humanitarian law governing the conduct of hostilities in armed conflict is still adequate to deal with modern conflict scenarios, or whether it needs revision or amendment.

Are you thinking about studying Global Conflict in the Modern Era? Learn more and watch the introduction video.

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Maritime conflict management is the regulation of conflict in relation to the sea. It comprises conflict enforcement, conflict resolution and conflict avoidance. How did victims of maritime conflicts claim and obtain damages or demand compensation or reparation?

Read more about the International Network Open Science & Scholarship Communities in our Vision and Mission statements.

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…

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…

On 19 May 2020, Xuechan Ma defended her thesis 'Moving towards Coexistence and Cooperation: The Spratly Islands and International Law'. The doctoral research was supervised by Prof. N.J. Schrijver.

This summer school focuses on the emergence of sexual orientation, gender identity (SOGI) and intersex issues in different areas of international law, such as human rights law, refugee law, international economic law, and international criminal law. Further information for this summer course will be…

Videos shared on social media have become important evidence to hold perpetrators of human rights violations accountable. What does this increased use of digital open source evidence mean for the quality of international human rights accountability? Through an innovative experimental design, this project…

On 10 March 2021, Pieter Huizing defended his thesis 'Parallel Enforcement of International Cartels and Its Impact on the Proportionality of Overall Punishment'. The doctoral thesis was supervised by Prof. T.R. Ottervanger.

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.

This publication examines the issues regarding the cross-border resolution of financial institutions, focusing on the power allocation between the home and host resolution authorities, i.e. the jurisdiction rule.

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.

On 15 February 2024, Alexandros Sarris defended the thesis 'International Law and Governance of the Arctic in an Era of Climate Change'. The doctoral research was supervised by Nico Schrijver and Freya Baetens.

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.

Large numbers of children all over the world face significant health risks, such as infectious and chronic diseases, malnutrition, injuries and the consequences of natural disasters, protracted armed conflicts and poverty.

On 10 June 2021, Merinda Stewart defended her thesis 'Freedom of Overflight: A Study of Coastal State Jurisdiction in International Airspace'. The doctoral research was supervised by Prof. P.M.J. Mendes de Leon en Prof. J.J. Rijpma.

In this article, the authors analyse two major factors that deepen informality, namely multipolar geopolitics and the rise of non-state actors.

Together with Pepijn Tuinier and Thijs Brocades Zaalberg, Sebastiaan Rietjens researched the role of trust in an international intelligence cooperation.

On 5 June 2018 Emile Beenakker defended her doctoral thesis ‘The implementation of international law in the national legal order: A legislative perspective’. The doctoral research was supervised by Professor W.J.M. Voermans.

A conference organized by Niels Blokker, professor of International Institutional Law and Ramses Wessel (RUG) to celebrate the 20th anniversary of the International Organizations Law Review.

This article on private active cyber defense by Dennis Broeders is part of a special issue of the Journal of Cybersecurity, based on a selection of contributions taken from the 2019 Conference on Cyber Norms organized by The Hague Program for Cyber Norms.

From 15 to 20 November 2015 twelve members of the Winter-semester intake of theInternational Humanitarian Law Clinic of the Kalshoven-Gieskes Forum attended and actively participated in an international exchange conference on International Humanitarian Law at Radzyner Law School, IDC in Herzliya, Is…

Rutsel Martha, former Minister of Justice of the Dutch Antilles, former General Counsel of Interpol and alumnus of Universiteit Leiden, elaborated on the position of states and intergovernmental organizations (IGOs) in international financial law.

The aim is to discover where differently shaped metal nanoparticles distributes in Danio rerio, linking the distribution with genomic responses and so come up with a Mode of Action.

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 article for Studies in Conflict & Terrorism, the authors analyse the evolution and interplay of national policies and international diplomacy on cyber terrorism within and across the UNSC’s permanent five members and the UN process on cyber norms (GGE and OEWG).

How did disability become a global concern? In this project we will identify the contribution of international agencies, governmental and non-governmental organizations and, just as importantly, disabled people themselves, to the IYDP and by showing the connections, interactions and entanglements between…