Sewer pipes are an essential infrastructure in modern society and their proper operation is important for public health. To keep sewer pipes operational as much as possible, periodical inspections for defects are performed.

This dissertation investigates Extended Lexical Units (ELUs), elements that are bigger than just one word and which are stored in the Lexicon.

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?

Accelerating the diagnosis and personalising the management of inherited metabolic diseases.

How are law and governance in China responding to rapidly changing circumstances, and what does that mean for the relationship between the state and its citizens?

The Institute of Criminal Law and Criminology comprises two departments. One focuses on research and teaching in the field of criminal law and procedure and the other on criminology.

MSc Law and Society brings together students from law and social sciences to examine the dynamic relationship between legal norms and social reality. Its global orientation, interdisciplinary approach, and focus on social justice make this master’s programme unique in its field.

The zebrafish is a promising vertebrate model organism in early drug discovery and development.

Our courses are aimed at higher educated professionals, starters, experienced professionals and managers. You can choose from day-long Masterclasses, multi-day courses and an intensive one-year program. Our English courses about Terrorism, Law, Safety and Security are listed below.

Just published: Nederlands internationaal privaatrecht Special issue: Private international law and finance

The Labour Law and Social Security department provides both bachelor’s level and master’s level teaching.

On 18 May 2011, Dr. Ben Knapen, Minister for European Affairs and International Cooperation, delivered the annual Van Vollenhoven Lecture on “Rule of Law and Development”.

Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.

Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.

The impact of the coronavirus crisis on the judicial system.

An important component of your Law and Society master consists of extracurricular activities.

This edited publication aims at reflecting on the future of discussions on the applicability of international law to States’ use of ICTs in the context of highly politicised discussions at the multilateral level and offering practical suggestions for the European Union to pursue its objectives in this…

This thesis systematically studies the physicochemical properties of non-planar, propeller-shaped, polycyclic aromatic hydrocarbons. The synthesis of several so-called propellerenes is described on a gram scale, using optimized procedures aimed at using less hazardous reagents and reducing the amount…

Promotor: Prof.dr. H.V.J. Linnartz, Co-Promotores: H.M. Cuppen, S. Ioppolo

Law and legal institutions play an important role in the organisation of society. They can be used to address and regulate social problems ranging from migration and terrorism to corruption, and from pollution and climate change to social and gender equality. But laws and institutions, and the way in…

Law and legal institutions play an important role in the organisation of society. They can be used to address and regulate social problems ranging from migration and terrorism to corruption, and from pollution and climate change to social and gender equality. But laws and institutions, and the way in…

Law and Digital Technologies (L.L.M.) examines the legislation and governance regarding internet, computers, persuasive technologies and ambient intelligence.

Although sexual abstinence before marriage is no longer the central message in The Netherlands the affective relationship as a criterion for professionals within criminal justice can be seen as a more contemporary version of marriage.

Computational thinking, programming, and algorithms form the basic of many of the things that are shaping our world, the way we work, interact, organize ourselves, and even spend our free time with social networks, streaming media, and games. And this transformation is far from being complete, it is…

With regard to governance, policies and law, many Muslims and Muslim countries recognise the possibility that Islam has something important to say about the way society is to be ordered, governed, and regulated.

Everyone most obey the law. If you don’t, you will face the police and the courts. The application of national, European and international criminal law would seem to be a matter of following the letter of the law. But the reality is more nuanced. Criminal law scholars and criminologists from very different…

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

The Institute of Tax Law and Economics at Leiden Law School has three departments: the Department of Tax Law, the Department of Economics and the Department of Business Studies. The Institute brings together research and teaching at the point at which, on the one hand, law and, on the other, fiscal…

Are you thinking about studying Computer Science? Learn more and watch the videos. Note: As of September 2025 you can also combine this master programme with the Business Studies specialisation.

Criminal Law and Criminology is is a specialisation of the master’s programme Rechtsgeleerdheid (Law) at the renowned Leiden Law School of Leiden University.

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. Law and Finance? Learn more and watch the videos.

PhD candidates carry out a programme of independent research and additional (limited) course work, culminating in production of a PhD thesis in typically 4 years.

Indonesia’s labour law regime has changed profoundly since 1998, reflecting the sweeping social and political developments that followed Soeharto’s fall from power.

The master's specialisation Data Science: Computer Science at Leiden University provides students thorough knowledge and understanding of statistical and computational aspects of data analysis, including their application in databases, advances in data mining, networks, pattern recognition, and deep…

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

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

The two-year master’s programme in Computer Science at Leiden University offers seven specialisations ranging from AI to Bioinformatics and Data Science. The programme combines excellent theoretical teaching with possibilities for applied work with industrial relevance.

How can international investment law and arbitration take account of the public interest in, and more broadly, the public dimension of, the relations between foreign investors and host States ?

Press freedom in Indonesia is still under pressure, despite the demise of Soeharto’s regime in 1998

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…

LIACS is partner in the project 'Stereotyping in Computer Science.' The project is a collaboration between multiple universities and the Dutch national expert organization on girls/women and science/technology (VHTO), which will investigate the stereotypes that children hold about computer scientist…

We are becoming ever more dependent on automation systems in our daily lives. Computer Science is more than programming; you integrate maths and logic into the development of systems and solutions that can be applied in all fields - from business to healthcare.

Published by Brill Nijhoff and written by leading experts including national judges, academics and practitioners East African Community Law is the first comparative as well as open access textbook on EAC law. The book provides a key resource for the research, teaching, and practice of EAC law. It also…

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 Leiden Computational Network Science Lab (CNS Lab) researches methods for knowledge discovery from real-world network data.

Met de bachelorspecialisatie Informatica & Economie aan de Universiteit Leiden leer je waardevolle inzichten in de economie te combineren met (programmeer)vaardigheden en kennis uit de informatica.

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…