From deepfakes and disinformation to killer robots, surgical robots and AI lawmaking: AI (Artificial Intelligence) is changing our world. That raises the question whether this requires some form of regulation. At eLaw, the Center for Law and Digital Technologies at Leiden University, prof. Bart Custers…

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…

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.

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…

On 11 February 2022, the Urban Governance Research Network (Ugovern) organised a webinar ‘Understanding Recent Changes in Belgium and the Netherlands Planning Law’. Rogier Kegge was one of the panel members during the webinar.

This article studies the perceived legitimacy of EU enforcement actions.

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…

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.

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…

Two years ago, Russian tanks crossed the border into Ukraine. The war seems to be getting closer and closer. Is it time to dust off and reintroduce military service? Our students have their say.

More allowance should be made for differences between municipalities, argues Geerten Boogaard, Thorbecke Professor of Local Government. The Municipalities Act could, for instance, offer a ‘menu of options’ for the decision on whether to have an elected mayor. Professor Boogaard will deliver his inaugural…

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.

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…

Information provided by the Tax and Customs Administration is something that concerns every citizen. So it is not surprising that the Tax hotline receives around 10 million calls each year. The Benefits Affair emphasised the citizen’s perspective in communications with the Tax and Customs Administration.…

On 15 March 2023, the GLOBTAXGOV team at Leiden Law School met with the Inter-American Center of Tax Administrations (CIAT) to explore opportunities for cooperation, to discuss the needs of tax administrations in the field of international taxation and evaluate ongoing projects and new initiatives where…

Which laws govern the commercial use of outer space? Are States responsible for mitigating space debris? Who is liable for accidents that happen onboard an the aircraft? In our Advanced Master Air and Space Law you will learn how to deal with questions like these from both an international and a European…

Which laws govern the commercial use of outer space? Are States responsible for mitigating space debris? Who is liable for accidents that happen onboard an the aircraft? In our Advanced Master Air and Space Law you will learn how to deal with questions like these from both an international and a European…

Governance and Global Affairs, Institute of Security and Global Affairs

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

How can legal education in Indonesia become more relevant for graduates who will work in contexts of legal pluralism, aiming for social justice and providing legal services that common citizens need?

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.

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

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…

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…

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

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

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

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…