Freshwater and brackish water ecosystems are arguably the most vulnerable ecosystems on earth, due to concentrated human developments in and around them. The Pontocaspian (PC) region located at the border of Europe and Asia contains a variety of brackish water ecosystems and unique inhabitants, known…

The Intelligence and Security Studies Group offers specialised teaching and research on contemporary intelligence and security challenges. We support both academic and professional development, with a focus on governance, ethical norms, and international cooperation.

English The purpose of this research is to identify and examine the challenges faced by African States in the field of foreign investment with a view to contribute not only to the academic debate, but also to foster awareness and develop the capacities of these States with regard to the drafting, negotiation…

The Indonesian Experience after the Fall of Suharto

The prohibition of anti-competitive unilateral conduct by firms with market power is not absolute, but allows for derogation.

Marieke Liem, Professor Social Resilience and Security at Leiden University, and Katharina Krüsselmann, PhD candidate at Leiden University and Manuel Eisner mapped the flow of homicide cases with the help of a systematic review.

The VVI courses form part of the wider teaching programme of the Leiden Law School, which offers programmes both at the undergraduate (LLB) and graduate level (LLM, Advanced Studies, PhD). The Institute offers a MSc programme Law and Society: Governance and Global Development which is unique in Europe.…

Lizzy van Dorp enrolled at Leiden University in 1893 to study Literature. But the ambitious student changed path and became the first woman in the Netherlands to study law.

What drives public agencies’ propensity to engage in more extensive practices and/or to initiate more far-reaching mechanisms of accountability than those mandated by law? In other words, what are the drivers of voluntary accountability?

The expansion of the fund industry has been one of the most notable trends in the financial markets of recent years.

This is special issue of the journal Language & Communication. The papers of this issue delve into the multifaceted realm of (non)belonging.

This book examines the impact of the UN Convention on the Rights of the Child (CRC) on national and international jurisprudence, since its adoption in 1989.

How were (post) colonial migrants included in post-war welfare systems?

On 8 June, Wanlu Zhang defended the thesis 'Protection of aviation security through the establishment of prohibited airspace'. The doctoral research was supervised by Steven Truxal and Robert Heinsch.

The debate in Europe about digital sovereignty, technological sovereignty, data sovereignty and strategic autonomy has been building over recent years at both the EU level and the level of individual Member States. The different concepts – and their diverse interpretations – cover the sovereignty concerns…

The Private International Law Department provides academic education and performs research in the field of private international law.

This project consists of various case studies.

This book analyses the expulsion of delinquent foreigners and their exclusion from the territory through a comparative lens.

Which challenges exist for girls to effectuate their right to education and specifically getting access to education?

This project maps the policy of ‘Paz Total’ (Total Peace) and ongoing peace negotiations between non-state armed groups and the government of Colombia under the presidency of Gustavo Petro (2022-2026).

Members of BLRN provide a wide range of teaching on all matters of business law. The teaching ranges from courses in the Leiden Law School’s bachelor programme, including the International Business Law programme, the master programme on Company Law and the advanced master in International Civil and…

On 21 October 2021, Frederik Behre defended the thesis 'A European Ministry of Finance?'. The doctoral research was supervised by Prof. S.C.G. Van den Bogaert.

On 7 December 2021, Georgina Kuipers defended the thesis 'Beschadigd vertrouwen'. The doctoral research was supervised by Prof. W. den Ouden and Prof. M.A. van der Steen (EUR).

Global Transformations and Governance Challenges (GTGC) at Leiden University aims to advance knowledge and practice on how we govern – and could govern – major world-scale changes in contemporary society. These global transformations include hegemonic and other geopolitical shifts, ecological changes,…

The Private International Law department offers several courses in the bachelor-, master- and advanced master programs.

What issues arise in the changing landscape of privacy, identity and data protection?

On 12 mei 2020, Darryl Robinson defended 'Exploring Justice in Extreme Cases: Criminal Law Theory and International Criminal Law'. The doctoral research was supervised by Prof. C. Stahn.

Intensive public debates have erupted about integration of immigrants in Europe. The influx of refugees from the middle east during the summer and autumn of 2015, the increasing visibility of immigrants throughout European societies, but also the widely publicized occurrences on New Year’s eve in Cologne…

Until 2019, LUCIS organised an annual conference to highlight state-of-the-art research on a central theme within the academic study of Islam and society. Researchers from around the globe convened in Leiden to share and discuss their work.

The Rise and Decline of an Iberian Bourgeoisie is one of the first long-term studies in English of an Iberian town during the late medieval crisis. Focusing on the Catalonian city of Manresa, Jeff Fynn-Paul expertly integrates Iberian historiography with European narratives to place the city's social,…

Can international organisations be held responsible for violations of international law by peacekeepers in a peacekeeping operation?

LUCIR aims to bundle together, strengthen and disseminate existing research in the field of international relations.

On 7 March 2019, Maria de Jong-de Kruijf defended her thesis 'Legitimiteit en rechtswaarborgen bij gesloten plaatsing van kinderen'. The doctoral research was supervised by Prof. mr. M.R. Bruning en Prof. mr. T. Liefaard.

Just published: United in incoherence – Private law concepts under pressure from European financial law (in Dutch), in: Tijdschift voor privaatrecht 2017-4

Comparison across jurisdictions is one way of assessing the appropriateness of lethal force resulting from the actions of law enforcement agencies. This article sets out a vision for a global use of force monitor that can enable meaningful comparisons between law enforcement agencies. It examines some…

This edited volume explores how artificial intelligence (AI) is transforming international conflict in cyberspace.

Throughout its existence, the Telders Competition has enjoyed the support of several prominent members of the ICJ and the international legal world.

For hundreds of years, the island of Sri Lanka was a crucial stopover for people and goods in the Indian Ocean. For the Dutch East India Company, it was also a crossroads in the Indian Ocean slave trade. Slavery was present in multiple forms in Sri Lanka—then Ceylon—when the British conquered the island…

The Grotius Centre for International Legal Studies offers a wide range of general and specialised courses in the field of public international law, both at Bachelor’s and Master’s level.

On 18 November 2020, Mojan Samadi defended her thesis 'Normering en toezicht in de opsporing'. The doctoral research was supervised by Prof. J.H. Crijns.

On 1 April 2020, Marc Broekema defended his thesis 'Cognitive Bias in the Judgment of Business Valuations and Valuators'. The doctoral research was supervised by Prof. J.I. van der Rest.

On 1 February 2018 Charlotte Vrendenbarg defended her PhD dissertation

This article investigates how parenthood serves as a critical turning point for young people in Latin America, influencing their criminal trajectories.

It is a tragic fact that mass atrocities have been, and are being, committed across the world. The international community, while condemning these acts, often stands idly by. This conundrum raises a host of empirical, legal, and normative questions regarding the role of public opinion in responding…

This volume publishes the proceedings of the eleventh annual University of Chicago Oriental Institute Seminar. It uses the sphere of legal institutions as a prism through which to consider gender relations in the ancient world, both in the Near East and beyond. It examines how similar issues were manifested…

This systematic review of 68 English-language articles explores the roles of customary authorities in environmental governance in sub-Saharan Africa

Challenges for the protection of traditional knowledge and genetic resources, traditional cultural expressions, and traditional knowledge of indigenous peoples in the international scenario.

What does the interspecies interpretation of the equality principle mean for the liberal democracy, and is it possible to provide for an appropriate legal and political position for animals without defying the classic-liberal principles of the liberal democratic state?

This special issue of Contemporary Levant critically explores, at a micro and macro level, the structural role and religious, cultural and political interactions of the Greek-Orthodox, Melkite and Syriac communities in late Ottoman and Mandate Syria and Palestine.