Why study the programme International Civil and Commercial Law at Leiden University? We give you 10 reasons! Read about the benefits of this programme.

To what extent was labour-induced migration important to the functioning of the towns and cities of Roman Italy?

Systematic investigations into religious precepts, worldly rules of law and legal practices in the Muslim world show clearly how these societies deal with justice and injustice. Sharia, the Islamic ‘legal system’, plays an important role in this context.

In the master’s specialisation Computer Science and Business Studies, you combine high quality research in Computer Science with training in management and entrepreneurship. You will expand your knowledge of computer science and develop business and organisational skills that are essential to become…

LION offers a PhD program in which candidates carry out independent research on a specific topic, culminating in a PhD thesis.

Leiden is a winning combination of being small and fun, yet big in character as a student city. It’s also conveniently close to cities like Amsterdam, The Hague and Rotterdam, which can all be reached by train in just 30 minutes.

Arts and leisure, Arts and leisure

Seven Leiden researchers have each been awarded a Vici grant by the Netherlands Organisation for Scientific Research (NWO). This will enable them to form a research group and develop their own innovative line of research.

Members of our research team give different types of presentations and lectures.

‘Leiden University's code of conduct on Integrity is comprehensive and complete,' says Zeger van der Wal, Professor by Special Appointment in Public Administration at the Faculty of Governance and Global Affairs. He is the holder of the Dales chair, funded by the CAOP. Van der Wal's specialist field…

A large group of researchers from Leiden University will convene a panel or present a paper at the 10th European Conference on African Studies (ECAS), which will take place from 25 to 28 June in Prague.

From 9 until 20 October 2017 Stephanie Rap has visited the Renmin University of China Law School in Beijing to teach a course titled Juvenile delinquency and juvenile justice: interdisciplinary perspectives. She was warmly welcomed by the vice-dean Prof. Yanan Shi and Ms. Lei Chen, head of the law school’s…

Eighteen researchers from Leiden University have been awarded a Veni grant by the Dutch Research Council (NWO). This grant gives promising young researchers the opportunity to develop their ideas for a period of three years.

Leiden physicists exploit self-assembly of small particles to someday create functional structures such as micro-robots from the bottom up. They have now taken an important step forward by experimentally realizing joints at micrometer scale. Publication in Nanoscale.

On this page you will find an overview of awards and prizes granted to our staff and students in 2025, as well as special appointments at Leiden University and other institutions.

In 2025 hebben medewerkers en studenten van de Universiteit Leiden veel mooie prijzen ontvangen en belangrijke onderzoekssubsidies binnengehaald.

PhD defence

The Leiden University’s Program for Cyber Norms, a research platform to investigate the development and implementation of law and policy applicable to uses of ICTs, in cooperation with the think-tank ICT4Peace conducted a global open consultation on how to implement the UN Group of Governmental Experts’…

By working together with external social partners, the knowledge of our scientists finds its way into society.

On Thursday 26 October, the Europa Institute held its fourth ‘Meet the Author’ event.

On Friday 18 June 2021, Leiden University virtually hosted the 59th Leiden-London Meeting, on the EU’s next institutional Reform. It was organised by Alison McDonnell, Managing Editor of the Common Market Law Review, together with members of the Editorial Board.

In this blog post Saskia Postema and Jan Melissen claim that Chinese UN celebrities’ activism under Xi Jinping has become aligned with the Chinese leadership’s ambitions.

Teachers have to find a balance between routine and renewal of their teaching repertoire. Eveline de Boer (PhD student at ICLON) investigated how didactic building blocks can help them with this. Defence on June 15.

At the Dies Natalis Willem Otterspeer, Professor Emeritus of University History, presented the fourth and final volume of Groepsportret met Dame, his series on the history of Leiden University. De 'Strategie van de Aanpassing' covers the period 1876-1975. Otterspeer talked about his book in a podcast…

Lecture

Vibrating carbon monoxide molecules adsorbed at the surface of a salt crystal stop moving after a few milliseconds. Scientists now discovered this is dominantly due to the emission of electromagnetic waves. The role of the chemical bond at the surface thereby appears to be less important than previously…

Rigid materials break more easily than floppy ones. This simple observation allows to predict and control the width of cracks. Theoretical understanding of how materials break is useful in for example the production of cars or screens. Publication in PNAS.

Between 11 and 13 September 2025, the ESIL Annual Conference took place in Berlin, Germany. This year's conference unfolded on the theme 'Reconstructing International Law', attracting an unprecedented number of legal scholars from all over the world.

Come to the Night of Arts and Science in Leiden 's historic city centre on 17 September. You can enjoy music, interactive experiments, theatrical plays, lectures, modern dance, comedy and much, much more. Many of the activities are in English.

How can computers help design optimal buildings? PhD student Koen van der Blom makes algorithms that take into account all kinds of different architectural requirements, in order to reach the best compromise. And that is quite difficult: 'Algorithms do not automatically understand that a building that…

A cap on the number of international students at the five broad-based Randstad universities will have a drastic effect on the Dutch economy. The gross domestic product (GDP) is expected to decline by approximately 4 to 5 billion euros. Regions, businesses and society as a whole will feel the consequ…

Leila Zerrougui (born in Algeria 1956) is a legal expert on human rights, justice, and rule of law. She is the current Special Representative of the Secretary-General and Head of the United Nations Stabilization Mission in the Democratic Republic of the Congo (MONUSCO). Before she was Special Representative…

Gerard van Westen and his group, together with pharmaceutical company Galapagos, start on developing software that invents new effective molecules. They will receive an NWO LIFT grant of 280,000 euros, of which 63,000 euros will come from Galapagos. The company will also bring its expertise in biology,…

The Faculty of Science adopted an action plan Diversity and Inclusiveness in 2015. In this action plan, the Faculty commits to a number of actions to further improve diversity and inclusion for staff and students, such as more female full professors at the faculty, and encourages initiatives that foster…

Many Asian countries are in a process of democratisation. The expectation was that citizens would gradually gain more control over the functioning of their elites. Experts from Leiden have concluded that this process often fails to improve the quality of the administration. They researched the nature…

The Faculty of Humanities at Leiden University values an inclusive learning environment where all students are supported to realize their full potential. We consider diversity of thought, approach, background, and identity essential for high-quality research and learning. We therefore want to facilitate…

How did British scholars and scientists in the period of discipline formation envision, experience and resist scholarly temptations?

The Centre for Science and Technology Studies (CWTS) is a research institute at Leiden University working on improving how science is practiced and governed and how it serves society.

As environmental and ecological changes and their impact become more urgent, demand for Industrial Ecology experts is rising. More and more national and international companies, local and national governments and NGOs are interested in our alumni, who possess the interdisciplinary perspective and skill…

Leiden University’s Master of Laws in International Children’s Rights (LL.M.) looks at human rights laws for children from a comparative perspective.

The genomic DNA of every organism is organized and compacted in order to fit inside the cell. This is achieved by the joint action of numerous architectural proteins that aid in folding the genome. Genome folding is tightly interconnected with transcription, with genes in certain regions being silenced,…

Being a supervisor is a demanding job. With these golden rules in mind, you'll do just fine. You can keep reading below, or download the PDF on the right for a visual representation.

SuperCode: Sustainability PER AI-driven CO-DEsign

On 1 October 2019 the Hazelhoff Centre for Financial law hosted its 19th guest lecture starring Paul Sharma, managing director at Alvarez & Marsal and co-head of the European Financial Industry Regulatory Advisory Services practices.

Cities in Europe house an increasingly diverse population with roots in many different parts of the world. They have also seen the growth of anti-immigrant sentiments and new forms of nationalism. Who belongs to Europe and what such belonging entails is heavily debated. What comes out of this paradoxical…