The Institute of Criminal Law and Criminology is committed to international cooperation and exchange.

The main objective of the Telders International Law Moot Court Competition is to challenge students to excel in international law, consequently testing their creativity and powers of persuasion in a friendly competition. Students and academic staff throughout Europe consider participation to be a great…

On 18 December 2019, Mikhail Antonov defended his thesis 'Formalism, Realism and Conservatism in Russian Law'. The doctoral research was supervised by Prof. W.B. Simons.

This article investigates the causes and examines how differing public perceptions of the rule of law contribute to this trend.

Organized by the Grotius Centre for International Legal Studies, this programme enables students and professionals from all over the world to engage in discussions on the prospects and challenges of international criminal justice. The announcement for the next edition is scheduled to take place…

Are you thinking about studying Air and Space Law ? Learn more and watch the videos.

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?

This volume was edited by Jeroen Duindam, Jill Harries, Caroline Humfress, and Nimrod Hurvitz.

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

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

The Faculty of Law is becoming more sustainable in many ways, both in teaching and research.

Are you thinking about studying the Advanced LL.M. Law and Digital Technologies? Learn more and watch the videos.

Are you thinking about studying the Advanced LL.M. Civil and Commercial Law? Learn more and watch the videos.

Are you thinking about studying the Advanced LL.M. Law and Finance? Learn more and watch the videos.

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…

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 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…

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 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 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…

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

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…

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…

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…

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?