Professor Nico Schrijver is professor of public international law at Leiden University and currently the president of the Institut de Droit international /International Law Institute, the most prestigious international law institute which was established in 1873 and which for the quality of its work…

The UN International Law Commission was established soon after the Second World War with the mandate to promote the progressive development of international law and its codification. It is a subsidiary organ of the UN General Assembly.

The Public Prosecution Service in the Netherlands is examining the possibility to prosecute Dutch national Jitse Akse on the suspicion of the multiple murder of Islamic State fighters. As a foreign fighter Akse joined the Kurdish militia YPG in its armed struggle against the Islamic State.

Yvonne Erkens, Associate Professor at the Department of Labour Law and Social Security co-organised a symposium entitled ‘Misdirected allegations of breaches of research integrity’ with Frits Rosendaal (LUMC) and Ivan Oransky (Retraction Watch) at the World Conference on Research Integrity. The conference,…

Few events have influenced our global order as intensely as the events of September 11, 2001.

The following students have been part of LAPP:

Vacancies at the Department of Economics

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

These are our lecturers (in alphabetical order) for the 2025 Summer School in Languages and Linguistics.

Onlangs verscheen het boek ‘Afgrond zonder vangnet’ van Yra van Dijk, hoogleraar Moderne Nederlandse Literatuur. In haar boek analyseert ze verschillende thema's in het werk van Arnon Grunberg.

Sense Jan van der Molen is vanaf 1 maart de nieuwe wetenschappelijk directeur van het Leiden Instituut voor Onderzoek in de Natuurkunde.

International organisations that represent collaborations between States are becoming increasingly more powerful, and they have an increasing impact on our daily lives. For example, the European Court of Human Rights in Strasburg established that minors have a right to legal aid immediately following…

A quantitative study on the use of pre-trial detention of juveniles in The Netherlands.

MetaROR is an open peer review platform based on the publish–review-curate model and aims to improve the dissemination and evaluation of metaresearch.

During a recent event, the Leiden Institute of Environmental Sciences presented the breadth of its research on biodiversity.

Do large deletions represent a risk during CRISP/CAS9-mediated genome editing in plants?

On 7 May 2020, Jolanda van der Vliet defended her thesis 'The International Legal Protection of Environmental Refugees. A human rights-based, security and State responsibility approach'. The doctoral research was supervised by Prof. N.J. Schrijver and Prof. J.J.C. Voorhoeve.

On dinsdag 26 juni 2018, Linlin Sun defended her doctoral thesis ‘International Environmental Obligations and Liabilities in Deep Seabed Mining’. The doctoral research was supervised by Prof. dr. N.J. Schrijver en Prof. dr. E.C.P.D.C. De Brabandere.

The Public Policy and Innovation department of the Institute of Public Administration focuses on shaping, implementing, and evaluating policy through innovative approaches. Our goal is to tackle complex societal challenges by exploring technological advancements and creative policy tools.

Research project 'QUAD'

On 16 June 2020, Andrea Varga defended her thesis 'Establishing State Responsibility in the Absence of Effective Government'. The doctoral research was supervised by Prof. N.J. Schrijver and Prof. F. Baetens (University of Oslo).

On 2 May, Sophie Starrenburg defended the thesis 'Striking a balance between local and global interests: communities and cultural heritage protection in public international law'. The doctoral research was supervised by Nico Schrijver and Yvonne Donders.

On 19 May 2020, Xuechan Ma defended her thesis 'Moving towards Coexistence and Cooperation: The Spratly Islands and International Law'. The doctoral research was supervised by Prof. N.J. Schrijver.

On 21 February 2019, Ruben Zandvliet defended his thesis 'Trade, Investment and Labour: Interactions in International Law'. The doctoral research was supervised by Prof. dr. N.J. Schrijver.

On 15 February 2024, Alexandros Sarris defended the thesis 'International Law and Governance of the Arctic in an Era of Climate Change'. The doctoral research was supervised by Nico Schrijver and Freya Baetens.

On 11 November 2021, Evelien Campfens defended the thesis 'Cross-border Claims to Cultural Objects'. The doctoral research was supervised by Prof. N.J. Schrijver and Prof. W.J. Veraart (VU Amsterdam).

On 27 June 2019, Vid Prislan defended his thesis 'Domestic Courts in Investor-State Arbitration: Partners, Suspects, Competitors'. The doctoral research was supervised by Prof. dr. N.J. Schrijver.

In the master’s programme in Archaeology, you can follow courses on the archaeology of Europe, deepening your understanding of the continent’s long history.

More on the Dutch webpage.

Below you will find an overview of the publications of The Leiden Advocacy Project on Plastic.

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.

In films kunnen de meest wonderlijke acties plaatsvinden. Maar zijn die acties in de 'echte' wereld ook mogelijk? En in hoeverre houden filmmakers ons voor de gek? Tijdens het Leiden International Film Festival komen film en wetenschap samen.

Duizenden metaalvondsten die door detectorzoeker wijlen Herman Zomerdijk zijn gedaan in de regio Kennemerland schetsen een uniek beeld van Noord-Holland door de eeuwen heen. Hij zocht en verzamelde decennialang historische metalen objecten in Noord-Holland en bouwde zo een unieke metaalcollectie op.

Mattias Brand defended his thesis on 10 April 2019

Thanks to a €4.8 million grant from the Dutch Research Council, a consortium that includes four physicists from Leiden University will develop a national facility for atomic-scale research into novel materials. This initiative is expected to drive innovation for energy transition.

Elk jaar organiseert het LIBC in samenwerking met de gemeente Leiden een Publieksdag over hersenonderzoek.

The starting point for this research project is the notion that the human brain is susceptible to all kinds of fallacies and biases that affect our perceptions and influence our reasoning outside of our conscious awareness. Indeed, most people think they are merely observing facts and that they process…

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.…

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 Prison Project investigates to what extent imprisonment has consequences for the relapse, health, career and intimate relations of the (ex-)prisoners.

Blood, Sweat and Tears: The Changing Concepts of Physiology from Antiquity into Early Modern Europe

Public International Law is a one-year Master’s specialisation at the internationally acclaimed Leiden Law School at Leiden University. The programme focuses on the legal framework that governs international relations in an increasingly complex global society.

The Grotius Centre for International Legal Studies & The Kalshoven-Gieskes Forum on International Humanitarian Law cordially invite you to a Panel Discussion on “The Dynamics of the Syria Conflict: Challenges for Contemporary International Law” .

On 3 March 2022, Cambridge University Press published An Introduction to Public International Law, a co-authored textbook led by Cecily Rose.

The objective of this project is to show how teacher research can encourage teachers’ learning process as professionals, improve teaching practices and generate knowledge about these practices.