This volume provides an authoritative, cutting-edge resource on the characteristics of both technological and social change in warfare in the twenty-first century, and the challenges such change presents to international law.

This project looks at the current practices of marriage law in Indonesia. It examines the often ambiguous views different groups hold of marriage, from local villagers in Bengkulu to women’s activists in Jakarta, and how these relate to the development of national law on the one hand and local practices…

The individual in the EU: The application of insights from social psychology to improve the legitimacy and conflict-solving capability of the EU

The Institute for Philosophy at Leiden University is host to the NWO programme,

The Role of Law in Libya’s National Reconciliation (RoLLNaR) was a research project that ran from 2017 to 2020. It identified and assessed the role of law – both actual and potential, enabling and constraining – with regard to major challenges of reconciliation in Libya. The project was led by Dr. Suliman…

Graduation Ceremony

On Tuesday 17 October 2017 Alexandre Genest defended his PhD dissertation ‘Performance Requirement Prohibitions in International Investment Law’ as part of a double PhD programme at the Universities of Leiden and Ottawa. The Supervisors are Professors M.E. Koppenol-Laforce. F. Baetens (Universities…

Most of the vast Tibetan literature was authored by monks. They were Buddhists par excellence, educated in a system in which Indic- and Indian-inspired texts played a pivotal role. What they wrote was primarily religious or philosophical in nature, but also extended to ‘secular’ topics. Through the…

Most people know what law is. But what it should be or where it comes from is what interests the researchers from the Institute for the Interdisciplinary Study of the Law. Key to their approach are topics that go right to the heart of philosophy of law. What is a state? What are the limitations of…

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

The Duke-Leiden Institute in Global and Transnational Law is a one-month programme providing a strong foundation for those interested in international and comparative law as well as for those planning to study law in the United States. The programme will focus on subjects such as trade agreements, human…

Law and peace in the work of Hans Kelsen. A re-evaluation of Kelsen’s legal philosophy: legal pacifism as tacit meaning of his Pure Theory of Law

In de afstudeerrichting Rechtsgeleerdheid aan de Universiteit Leiden leer je alles over nationaal, Europees en internationaal recht. De opleiding is breed, maatschappelijk relevant en heel concreet. Tijdens colleges worden actuele onderwerpen besproken, gekoppeld aan de wetenschappelijke theorie: kinderrechten,…

On Wednesday 13 December 2017 Jaap Wieland defended his doctoral thesis entitled ‘De bescherming van concurrentiebelangen in het bestuursrecht’ (the Protection of Competition Interests in Administrative Law).

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.

We give you 10 reasons why you should choose for Leiden University and should study the advanced master programme Law and Digital Technologies.

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 Thursday 11 May 2017, Qiang Yu defended his doctoral thesis ‘Market Power and Competition Law in the Software Industry’. The supervisors of the research are Professor T.R. Ottervanger and Professor S.C.G. Van den Bogaert. A brief summary of his thesis is provided below.

The International Institute of Air and Space Law (IIASL) offers PhD candidates the possibility to enroll in the IIASL PhD Track. It is designed for 'external' PhD candidates (buitenpromovendi), who seek to pursue a PhD in Air Law or Space Law while honouring their professional commitments in paralle…

What are the rights of migrants in Morocco and how does this receiving state and migrants deal with them in practice?

International organisations that represent collaborations between States are becoming increasingly more powerful, and they have an increasing impact on our daily lives. For example, the European Court of Human Rights in Strasburg established that minors have a right to legal aid immediately following…

Law, Institute of Private Law, Civil 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.

Course, Summer School

Law, Institute for the Interdisciplinary Study of the Law, eLaw - Center for Law and Digital Technologies

Law

Governance and Global Affairs, Law

Law, Institute of Private Law, Civil Law

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…

‘Visibility and secrecy are both valuable tactics and should not be antagonized in LGBT movements, ’ says Jingshu Zhu. Zhu defended her dissertation on Wednesday 21 February.

Jens Iverson, Assistant Professor of International Law and a Researcher in the Jus Post Bellum Project, defended his Ph.D. dissertation on 21 September 2017.

This research studies the future perspectives for Malaysian space law. It aims at demonstrating the development of Malaysian outer space activities inclusive of her status with respect to United Nations space conventions and her membership of international and regional space-related organizations.

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.

Ruling Overseas: Connected Practices of Governance of Law

On 31 January 2018 Vestert Borger defended his dissertation entitled ‘The Transformation of the Euro: Law, Contract, Solidarity’. The dissertation has been written under the supervision of Professor Stefaan Van den Bogaert (supervisor) and Dr Jorrit Rijpma (co-supervisor).

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).

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.

Social and Behavioural Sciences, Political Science

Jiska Ogier studied notarial law, which wasn’t always easy because she went to lectures in a wheelchair. As a student she pushed to make society accessible. And with her law degree and lived experience she has now made this her work. ‘You can achieve a lot with creative solutions.’

Graduation Ceremony

Graduation Ceremony

Leiden alumni find work in all kinds of interesting places. We gather the stories of our alumni and publish then regularly in our alumni newsletter and in Leidraad magazine. You can find all their stories on this page. They give a good impression of what life is like for Leiden alumni after they have…

Do you aspire to a national or international career in law? Then choose the master’s programme Law - European Law - at Leiden University: a broad and solid foundation for your career.

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…

This month we interview alumna Dominique Mars who made an interesting career choice: she tells us how she chose to be a teacher at a primary school whilst having obtained her Master in Child Law.

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…

On 24 juni 2021, Jing Zhang defended his thesis 'The Rationale of Publicity in the Law of Corporeal Movables and Claims'. The doctoral research was supervised by Prof. H.J. Snijders and J.A. van der Weide.

Labour is back as a significant social and political force in Indonesia, as was shown in the recent 1 May trade union demonstrations in Jakarta. Over the past years major changes have taken place in Indonesian labour law, leading to new forms of judicial and political resolution of labour disputes.