It often takes longer for women with heart problems to get the right diagnosis. In her Annie Romein-Verschoor Lecture, Professor Hester den Ruijter will talk about how hormones influence the heart and the importance of medical research that focuses specifically on women.

Darinka Piqani visited the Law Faculty of the University of Tirana (Albania) on 16-20 January 2023 and lectured on the transparency and the right to information in EU law. These lectures were held in the context of the Research Expertise from the Academic Diaspora (READ) Fellowship that Dr Piqani holds…

Find out more about the programme International Children's Rights. We teach you to respond to (inter)national legal developments in relation to children.

Last week, to commemorate the thirtieth anniversary of the United Nations Convention on the Rights of the Child, Prof. Dr. Ton Liefaard shone a fresh light on children’s rights, in Italy.

Sweetie 2.0 is a research project commissioned by Terre des Hommes on online child sex tourism and criminal law.

The latest newsletter of the Master of Laws Programme: Advanced Studies in International Children’s Rights and the UNICEF Chair in Children’s Rights of Leiden Law School, Department of Child Law has been published.

The Tragedy Of The Stupid Nation retraces three decades of political instability during which the people of the Central African Republic suffered from several waves of violence that led to the breakdown of the social cohesion between the different communities (first along ethnic, then along religious…

Children are not always immediately helped due to staff shortages. For years, youth protection agencies have used an emergency protocol. Mariëlle Bruning, Professor of Children and the Law in ‘Trouw’: ‘It’s shocking that an emergency protocol has been used for three years.’

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The more opportunities a child has to learn and develop, the stronger his or her future position in society. Leiden University investigates how the brain picks up information, and how learning processes can be influenced positively.

On 7 November 2018, Catherine Harwood defended her thesis 'Navigating Between Principle and Pragmatism: The Roles and Functions of Atrocity-Related United Nations Commissions of Inquiry in the International Legal Order'. The doctoral research was supervised by Prof. dr. L.J. Van den Herik and Prof.…

On Saturday 3 December, Peter Rodrigues and Mark Klaassen delivered two guest lectures at Sofia University. They were invited by ELSA Bulgaria to speak at the Human Rights Academy 2022 that was devoted to the protection of the human rights of unaccompanied minors. The event was made possible by the…

How can the support for a collaborative approach to global challenges be increased, in times when international organisations’ capacity to act is under threat? Gisela Hirschmann (Leiden University) and Cornelia Ulbert (University of Duisburg-Essen) suggest a number of options.

On Monday November 7th the research outcome ‘Involuntary (after) care for vulnerable young adults? A study to the legal possibilities for the provision of (involuntary) care to vulnerable young adults after child protection’ was presented to the members of the Parliament.

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What is the effect of a dynamic training in children’s inductive reasoning skills and how is it related to children’s school performances and language development.

In December 2024, the book Redressing Fundamental Rights Violations by the EU: The Promise of the ‘Complete System of Remedies', edited by Melanie Fink, was published fully open access with Cambridge University Press. The EU prides itself on having created a legal system that puts the individual at…

Dr. Stephanie Rap, Denise Verkroost, LL.M. and prof. Mariëlle Bruning conducted a research on the participation of children in youth care in the Netherlands. In 2016 the first part, a legal desk-research on the possibilities for children to participate in youth care procedures and decision-making in…

For decades, linguists have racked their brains over the question of precisely how the syntax of various languages is different. PhD candidate Martin Kroon has developed a computer system that brings us closer to finding an answer. His PhD defence is on 10 November.

The programma structure of the advanced master International Children's Rights of Leiden University can be found on this page.

What makes some international organisations more likely to succumb to crises where others manage to survive or even thrive? And what can international organisations do to become resilient and withstand existential challenges? Political Scientist Gisela Hirschmann (Leiden University) studied the example…

Subproject of the ERC project 'Challenging the Liberal World Order from Within: The Invisible History of the United Nations and the Global South'.

In early January, Joanne van der Leun (Dean of the Leiden Law School), Ton Liefaard (Program Director of the Advanced Studies in International Children’s Rights, LL.M), and Anette van Sandwijk (Head Bureau International Education) visited China.

This study tests whether behavioural problems at a young age are related to early reading and mathematics development.

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On 24-25 October 2017, the Council of Europe organized an international conference to celebrate the 20th anniversary of the Convention on Human Rights and Biomedicine (Oviedo Convention).

Treatment with special stem cells seems to be a good option for suppressing the immune system in organ transplants. Researchers are trying to learn from processes that take place in the human body during pregnancy.

On 13 April, an expert meeting to discuss the doctoral thesis of Eduardo Arenas Catalán was held at Leiden Law School. The discussion, chaired by Aart Hendriks, Professor of Health Law at Leiden Law School, included the contributions from Javier Couso Salas, Professor at Universidad Diego Portales and…

At the start of 2020, the book ‘Safeguarding Children’s Rights in Immigration Law’ was published by Intersentia.

A delegation of the Child Law Department has attended the World congress on family law and children’s rights in Dublin, from 4-7 June. This congress organised once in every four years was hosted by prof. Ursula Kilkelly (University College Cork). Over 600 people attended the congress; professionals…

In the online panel discussion of ESOF 2022 ‘The effect of the online world on adolescents’, together with Amy Orben, Professor Eveline Crone, Sterre van Riel, Professor Anne-Laura van Harmelen and Professor Jan Sleutels, Professor Ton Liefaard shared his research on adolescents and the online world…

In early January, the Master of Laws: Advanced Studies in International Children’s Rights released its January Newsletter to its friends and partner networks.

Niels van Willigen (Institute of Political Science, Leiden University) puts Dutch participation in UN peacekeeping into an historical context. He analyses the reasons for the Dutch withdrawal from the 1990s onwards, and explores the obstacles and opportunities for a structural return. Van Willigen argues…

In recent days and weeks, experts have been falling over themselves to point the finger at the main culprit in the Dutch child benefits scandal. Although this debate is fascinating, equally important are the broader lessons to be drawn from the scandal in relation to constitutional and administrative…

From March 28 to 31 twelve student teams from different countries visited Leiden to participate in the second edition of the Children’s Rights Moot Court. They were invited to plead an interesting and challenging immigration law case.

The Council of State in the Netherlands has drawn up a programme of reflection to evaluate the role of the highest administrative court in the child benefits scandal and to learn lessons for the future.

On Wednesday 25 June 2025 Dechun Zhang successfully defended a doctoral thesis and graduated.

Paul van der Heijden, professor emeritus International Labour Law, was recently appointed by the British Minister for Trade as an independent arbitrator under the dispute settlement provisions of the United Kingdom’s Free Trade Agreement (FTA) with Japan.

The call for a social media ban for children is louder than ever. Professor of Children's Rights Ton Liefaard argues in ‘Trouw’ newspaper that this would be unwise. 'For children, online and offline aren't different worlds'.

On 8-9 December 2016 the Department of Children’s Rights of Leiden Law School held an international PhD conference on Children’s Rights in Leiden, under the direction of Ton Liefaard, Julia Sloth-Nielsen and Marielle Bruning. As one of the institutional partners of this department in the research program…

Procedural administrative law in a constitutional comparative law perspective

From 2029, childcare in the Netherlands will be almost free for working parents. Egbert Jongen, Professor of Economics, spoke with Nieuwsuur about the missed opportunities for non-working parents: 'Participation in formal childcare is particularly beneficial for children from disadvantaged families.…