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.

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?

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…

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).

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

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…

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.

State utilization of 'hukum adat' and its implication for the Indonesian rule of law

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

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 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

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

EU Member States are struggling with rising numbers of migrants and asylum seekers. At the recent EU summit, agreements were reached on better controls at the external borders of the European Union and more consultation with countries where migrants come from.

This book explores the relationship between tragedy and the justice that is sought in moral philosophy and the law. It shows how our moral and legal judgments can be seen as aesthetic or tragic judgments, and it considers what kind of passion or vocation moves the science and scholarship of 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.

Mark Klaassen, Assistant Professor of Immigration Law and member of the Dutch Advisory Council on Migration, explains on Dutch radio programme ‘Met het Oog op Morgen’ why it’s a bad idea to use Denmark as a model country for Dutch asylum policy.

On Saturday 3 December, Peter Rodrigues and Mark Klaassen delivered two guest lectures at Sofia University. They were invited by ELSA Bulgaria to speak at the Human Rights Academy 2022 that was devoted to the protection of the human rights of unaccompanied minors. The event was made possible by the…

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…

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.

Suspending family reunification of refugee status holders is illegal. That was the ruling of a Dutch court in a case brought by a Syrian woman with asylum status. The (temporary) restriction on entry for family members was one of the pillars of the cabinet’s asylum deal in August.

‘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.

On 14 September, Erik Plas defended the thesis'Material amendments to public contracts in public procurement law'. The doctoral research was supervised by Jan Hebly and Bart Krans.

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.

The starting point for this research project is the notion that the human brain is susceptible to all kinds of fallacies and biases that affect our perceptions and influence our reasoning outside of our conscious awareness. Indeed, most people think they are merely observing facts and that they process…

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.

On October 20th, at 13:00-15:00 in Grotiuszaal (A051 KOG) the advanced International Children’s Rights program and the Leiden Institute of Immigration Law will co-organize a lecture by Ms. Margaret Tuite, the European Commission Coordinator for the Rights of the Child.

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).

On Wednesday 12 December 2018, the department of Child Law, on the initiative of dr. Yannick van den Brink, dr. Stephanie Rap en prof. dr. Ton Liefaard), organized an expert meeting on ‘Equality, children’s rights and digital technologies’. The objective of the meeting was an in-depth exchange of ideas…

On 23 April, Andreas Häuselmann defended the thesis 'EU privacy and data protection law applied to AI: unveiling the legal problems for individuals'. The doctoral research was supervised by Gerrit-Jan Zwenne and Bart Custers.