How can party bans be justified? Which parties were banned in post-war Europe – and why? Do militant democracy instruments work? Is an international militant democracy concept in the making?

Paul Adriaanse, together with eight other candidates, has been nominated in the administration law category for the title ‘Magna Charta Lawyer of the year’. The public will vote to decide the winner

Dr. Gruni published an article on the impact on sustainable development in the EU Common Commercial Policy of recent Opinion 2/15 CJEU on the Global Trade and Customs Journal.

This semester, Ingrid Leijten is appointed as a guest professor at the Friedrich Alexander University Erlangen-Nuremberg (FAU).

We encourage applications of visiting scholars whose research interests and activities are in line with our research programme 'Effective Protection of Fundamental Rights in a Pluralist World' or our Key Research Themes. Our dynamic, multidisciplinary research programme aims to bring together researchers…

The Center studies the social, legal and normative impact of emerging digital technologies.

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 number of cases of coronavirus in the Netherlands is on the rise. Some mayors are now calling for measures that are more far-reaching than those at present. For example, they want it to be possible to enforce measures behind the front door. Would that be allowed?

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…

Governance and Global Affairs, Law

The Faculty Board has appointed Professor Ymre Schuurmans as Academic Director of the Institute of Public Law. Schuurmans is Professor of Constitutional and Administrative Law and was Head of the Department of Constitutional and Administrative Law for the past six years.

The Moria deal has been marked as a controversial issue in the formation process for a new Dutch government – a development that fits with the government’s hesitancy in implementing what is already a meagre asylum policy, writes master’s student Nina Fokkink in an article in Dutch newspaper NRC.

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…

The Dutch government will be unable to make wearing face masks mandatory in public spaces in the short term, according to three constitutional and administrative law experts in NRC newspaper, including Wim Voermans.

Rowie Stolk, PhD candidate at the Department of Constitutional and Administrative Law has been admitted as a visiting researcher to UCLA School of Law (University of California, Los Angeles) where she will stay during the first semester 2019 – 2020.

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

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

Atherosclerosis is a chronic inflammatory disease affecting millions of people world-wide.

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…

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…

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.

The Ministry of Health, Welfare and Sport in the Netherlands is being flooded with applications for information under the Dutch Public Access to Government Information Act (WOB) and according to Minister Hugo de Jonge is unable to provide the information on time. News programme Nieuwsuur has been waiting…

Law

The project’s overall goal is to improve Indonesia’s environmental legal framework and its implementation by strengthening the regulatory capacity of the government, and by enhancing the capacity of CSOs and scholars to hold the government accountable for its regulatory performance.

In close cooperation with various partners, Leiden’s Administrative and Constitutional Law Department is seeking to expand its presence in The Hague - the International City of Peace and Justice.

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…

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

‘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.

The database is created by the Centre for Public Values and Ethics of the Institute of Public Administration. Its aim is to collect and describe scandals involving (supposed) corruption and lacking integrity of public officials in the Netherlands between 1945 and the present.

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.

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.

Ruling Overseas: Connected Practices of Governance of Law

Politics, governance and law form a triangle of themes defining power and the production of power. The themes constitute a crucial domain in African societies and economies, reinvigorated by contemporary new forms of youth politics across the continent.

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.