Big data promises to transform public decision-making for the better by making it more responsive to actual needs and policy effects. However, much recent work on big data in public decision-making assumes a rational view of decision-making, which has been much criticized in the public administration…

‘Tell me something I don’t know,’ said skating coach Jac Orie to Leiden data scientist Arno Knobbe. And he did. Knobbe and his colleagues now assist athletes in all kinds of ways with the help of data mining.

The focus of the Bachelor Data Science & Artificial Intelligence is on computer science, and its applications in Artificial Intelligence. You will receive a strong basis in mathematics, statistics and computer science, combined with advanced knowledge of machine learning, cognitive science, human-robot…

The research in this dissertation aims to optimise blood donation processes in the framework of the Dutch national blood bank Sanquin. The primary health risk for blood donors is iron deficiency, which is evaluated based on donors' hemoglobin and ferritin levels.

How can we make the information in handwritten historical research reports accessible and searchable? Data scientists at Leiden University are working with other universities on a method that will improve access to cultural heritage.

The Law of the European Union is a complete reference work on all aspects of the law of the European Union, including the institutional framework, the Internal Market, Economic and Monetary Union and external policy and action.

How can we use data to better understand climate change? Can smart algorithms help drive medical breakthroughs? And how do you design technology that contributes to a more sustainable world? If you are curious about how the world works and how to solve complex problems using science, data, and technology,…

How can we use data to better understand climate change? Can smart algorithms help drive medical breakthroughs? And how do you design technology that contributes to a more sustainable world? If you are curious about how the world works and how to solve complex problems using science, data, and technology,…

How does the cluster bootstrap procedure in combination with various types of linear models perform in the analysis of longitudinal data, compared to other methods.

Joe Finnerty has co-edited the 2026 Symposium in the Human Rights Law Review entitled Legitimate Aims and Ulterior Purposes in International Human Rights Law: Comparative Perspectives.

Kamerlingh Onnes Building, Steenschuur 25, 2311 ES, Leiden

Promotor: Prof.dr. H.P. Spaink, Co-promotor: Dr. M. van der Zee

This dissertation presents a legal geographical analysis of the heritage laws of the independent English-speaking islands of the Lesser Antilles.

This thesis investigates how the assessment of circular economy (CE) at the macro-economic level can be facilitated and promoted⁠.

Rutger Leukfeldt, special chair of Governing Cybercrime, and colleagues investigate the link between Protection Motivation Theory (PMT) factors and self-protective online behavior.

The center studies the many ways in which issues of law and justice are dealt with in art and literature with a focus on liminal issues and cases. These are issues and cases where law comes to the limits of what it is capable of dealing with and art and literature explore the implications of what is…

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

We would all like to live in a world in which individuals feel safe, conflicts are resolved peacefully and the interests of future generations are taken into consideration. At Leiden University legal scholars investigate to what extent public international law meets the needs of a globalised society.…

In this thesis we explore machine and deep learning approaches that address keychallenges in high dimensional problem areas and also in improving accuracy in wellknown problems. In high dimensional contexts, we have focused on computational fluid dynamics (CFD) simulations.

Promotor: Prof.dr. J.N. Kok, Co-promotor: Dr. A.J. Knobbe

The institute that focuses on Public Law is as broad as the field itself. The Institute of Public Law has six departments, each with its own research agenda.

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

Arbeidsrecht (labour law) is a specialisation within the master’s programme Rechtsgeleerdheid (Law) at Leiden Law School, Leiden University's renowned faculty of law.

'Law and empirical research' is one of Leiden Law School's four research focus areas.

The IP Law (Intellectual Property Law) department provides education and conducts research in the field of intellectual property law.

Constitutional and administrative law covers a broad area of law. It provides the rules with which issues in society can be solved by government authorities.

Are you interested in current affairs, developments in society and people? Are you highly motivated, willing to be challenged and able to go just a bit further in finding creative solutions to legal issues, then Rechtsgeleerdheid is the master’s programme for you.

Philosophy of law is concerned with the the foundations of law.

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.

Sprayable plant-based adhesives for crop protection against thrips Some plants, such as sundew and tomato, protect themselves with sticky hairs that repel or even trap arthropod herbivores.

De Leiden Law Academy, voorheen JPAO, verzorgt geaccrediteerde juridische post academische opleidingen en nascholingen in samenwerking met de rechtenfaculteit Leiden en staat garant voor een leven lang ontwikkelen op juridisch gebied. Wij helpen u graag bij het actueel houden van uw kennis en vaardi…

Welcome to the Business & Law Research Network!

This Leiden Law School page provides various information on Diversity & Inclusion at the faculty. It explains why D&I are key objectives, lists our current D&I projects, and outlines the faculty’s plans for improvements in these areas.

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

Almost a century passed since the much-celebrated judgement in the case concerning the Factory of Chorzów was delivered. This 1928 judgement of the Permanent Court of International Justice affirmed the essential principle of ‘reparation’ in international law, claiming that ‘restitution’ is the preferred…

We co-organise our society through law and public institutions. As society evolves, these institutions continually face new dilemmas. Legislators must regulate AI while also fostering competitiveness. Judges are tasked with protecting a healthy environment while respecting democratic decisions. States…

The Institute of Private Law was closely involved in the development of Nieuw Burgerlijk Wetboek (the Civil Code of the Netherlands, which came about between 1948 and 1992). It has continued to fulfil this socially engaged role over the years. It also made a significant contribution to the development…

Are you interested in developments in society? In a conflict, do you prefer searching for a compromise rather than giving a judgement? If so, Notarieel Recht is the right study for you.

Law is of major importance for socio-economic development. Ideally, law organises human interaction in a way that promotes justice and legal certainty and protects vulnerable groups from exploitation and arbitrariness.

EuDEco (Modelling the European Data Economy) is a Coordination & Support Action (CSA) receiving funding from the European Union’s Horizon 2020 programme.

European Law is a one-year Master’s specialisation at the internationally renowned Leiden Law School at Leiden University. The programme distinguishes itself by its broad intra-disciplinary approach, covering institutional, constitutional as well as internal market and competition law of the EU in addition…

This article offers an inaugural assessment of how silences implicate international law-making in cyberspace through descriptive and normative lenses.

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…

Loopholes in international tax legislation contribute to the misuse of tax rules by multinationals. Leiden University legal experts investigate how the complex national and international tax rules can be made more consistent in order to create a better tax system.

On 24 April, Feby Kartikasari defended the thesis 'Mining and environmental protection in Indonesia: regulatory pitfalls'. The doctoral research was supervised by Adriaan Bedner and Bernardo Ribeiro de Almeida.

Sustainability and law is one of Leiden Law School's four research focus areas.