On the 6th of April, Toni Pedrós Caballero successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Toni on this achievement!

When EU member states signed the Treaty of Lisbon in 2007, they did not anticipate the manifold crises in store for them over the following years. Instead of the intended consolidation of a Union which had just gone through its most profound modernisation and biggest round of enlargements, the EU has…

The data-driven economy allows for the collection and processing of large amounts of data. Such data can be used to optimize profits by (dynamically) differentiating prices for different consumers.

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…

On 17 October 2019, Laure d'Hondt defended her thesis 'Addressing Industrial Pollution in Indonesia. The Nexus between Regulation and Redress seeking'. The doctoral research was supervised by prof. A.W. Bedner and dr. J.A.C. Vel.

Our scientists working with laboratory animals undergo training on animal experiments. In this training, researchers learn how to handle laboratory animals responsibly. Read more about the requirements we set for researchers working with laboratory animals.

Indonesian Law and Reality in the Mahakam Delta

The Historic Port Town of Sandy Point and its Anchorage

Research on this theme addresses the systemic risks faced by European societies and affecting the quality of life of European citizens.

What is the impact of Indonesia’s democratization process on everyday state-citizen relations?

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

The Common Market Law Review has had its editorial office in the Leiden Europa Institute ever since it was founded in 1963.

This article on private active cyber defense by Dennis Broeders is part of a special issue of the Journal of Cybersecurity, based on a selection of contributions taken from the 2019 Conference on Cyber Norms organized by The Hague Program for Cyber Norms.

The research project addresses the question how complaints in the voluntary youth care system are dealt with on the municipal level and what role (municipal) Children’s Ombudspersons play in this context, through qualitative research methods.

Melanie Fink, Postdoctoral Researcher at the Europa Institute of Leiden University, has published her book Frontex and Human Rights, Responsibility in 'Multi-Actor Situations' under the ECHR and EU Public Liability Law. This work is based on her doctoral dissertation, which she defended in December…

As an alumnus of Leiden University, you can continue to use the Leiden University Libraries (UBL) throughout your life.

Article by Dennis Broeders in the Journal of Cyber Policy on the (im)possibilities of addressing election interference and the public core of the internet in the UN GGE and OEWG.

Jus post bellum, the body of laws and norms governing the transition from armed conflict to peace, has emerged as a crucial issue for international law scholars, governments, and all concerned with building a just and sustainable peace. The Jus Post Bellum Project, funded by the NWO and hosted by the…

This publication examines the issues regarding the cross-border resolution of financial institutions, focusing on the power allocation between the home and host resolution authorities, i.e. the jurisdiction rule.

On 19 September 2019, Lynette Janssen defended her thesis 'EU Bank Resolution Framework: A comparative study on the relation with national private law'. The doctoral research was supervised by Prof.mr. W.A.K. Rank and prof. M. Haentjens.

The complexity of an intelligence problem determines to a great extent the certainty that can be provided by intelligence and security services.

On 1 February 2018 Charlotte Vrendenbarg defended her PhD dissertation

The National-Socialist Movement in the Netherlands - the NSB - remained the only legal party in the Netherlands during most of the Second World War.

Miriam Cohen defended her PhD dissertation entitled “Reparations for International Crimes and the development of a Civil Dimension of International Criminal Justice” on 28 June 2017. She wrote her thesis under the supervision of Professor L.J. van den Herik and Professor C. Stahn.

On 13 December 2023 Alf Farabi successfully defended a doctoral thesis and graduated.

An assessment of Libyan legislation

On 26 June 2019, Lisa Louwerse defended her thesis 'The EU’s Conceptualisation of the Rule of Law in its External Relations: Case Studies on Development Cooperation and Enlargement'. The doctoral research was supervised by Prof. C.A.P. Hillion.

On 10 February 2022, Christian Mommers defended the thesis 'Voluntary return and the limits of individual responsibility in the EU Returns Directive'. The doctoral research was supervised by Prof. P.R. Rodrigues and Prof. P. Boeles.

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…

This research concerns a network of labour law specialists in the EU. The growing internationalization of the economic market and the employment market has a major impact on legislation and research of labour law. Particularly within the European Union labour law is subject to constant development…

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

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…

On 21 January 2021, Fachrizal Afandi defended his thesis 'Maintaining Order: Public Prosecutors in Post-Authoritarian Countries, the case of Indonesia'. The doctoral research was supervised by Prof. A.W. Bedner and Prof. J.H. Crijns.

The growing popularity of corporate self-regulation to address supply-chain issues puts Corporate Social Responsibility and specifically codes of conduct, at the centre of attention. In this article, Jaroslaw Kantorowicz, Sarah Vandenbroucke and Yvonne Erkens analyse supplier codes of conduct of multinational…

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…

European labour law has an unmistakable influence on national law. This applies even more to the case-law of the Court of Justice of the European Union (CJEU), as it has implications for the application of European law in the Member States and with it the interpretation of national law. Collected Cases…

This dissertation looks into the role of discretion granted by EU directives (Article 288 Treaty on Functioning of the European Union) in legislative decision-making and national transposition processes of these directives.

We have facilities for various research animals, all of which naturally comply with legal requirements. We take great care of the animals, and our enclosures are designed to meet the specific needs of the different species.

The portal for prospective Indonesian Students contains information about the possibilities to study at Leiden University in the Netherlands.

This project is a three-year collaborative research between European and Chinese researchers (2015-2018). As a part of the China-Europe “Understanding Population Change” Collaborative Research Initiative, the project utilizes multidisciplinary research methodologies (social and cultural anthropology,…

The Criminal Justice Master’s programme offered by the institute of Criminal Law and Criminology at Leiden University will provide you with the skills necessary for a successful career in the private or public sector.

Kernvisie BRUIST taskforce juridisch bacheloronderwijs

With both national and international companies operating in the market, the expansion of global platform capitalism raises concerns and critique. To counter a perceived erosion of local authority, various countries, particularly in Europe, have introduced anti-trust legislation against such BigTech…

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…

The International Arbitration Training Course, offered by Leiden Law School in cooperation with the Permanent Court of Arbitration, focuses on the theory and practice of international arbitration as a distinct field of the law and field of legal practice. The announcement for the next edition is scheduled…

On 14 December, Jouke Tegelaar defended the thesis 'Single supervision, single judicial protection? Towards effective judicial protection in Single Supervisory Mechanism composite procedures'. The doctoral research was supervised by Matthias Haentjens and Willemien den Ouden.

Institute of Political Science

On 29 June, Erwin Dijkstra defended the thesis 'Discrimination and the foundation of justice: hate speech, affirmative action, institutional opinions'. The doctoral research was supervised by Paul Cliteur and Bastiaan Rijpkema.

Since 2022, a higher proportion of people in the Netherlands have been victims of cybercrime than of 'traditional' crime. The Bachelor in Cybersecurity & Cybercrime trains you to become an all-round cyber expert, equipping you to take on the fight against cybercrime.