Dr. Gianclaudio Malgieri, Associate Professor of Law & Technology at eLaw, is co-author of the article “Explainable Artificial Intelligence (XAI) 2.0: A Manifesto of Open Challenges and Interdisciplinary Research Directions” which has been awarded the 2025 Best Paper Award by Information Fusion.

Two books that recently appeared in the Debates on Islam and Society series at Leiden University Press are now available in Open Access through the Knowledge Unlatched initiative.

In Belgium, officially recognised religions receive financial support from the state. Partly as a result, there is no clearly implemented secularism (separation of church and state) though this is considered to be a guiding notion in modern constitutional theories. PhD candidate Alain Vannieuwenburg…

On 23 June 2022, Kristof Gombeer succesfully defended his dissertation entitled ‘Relations of Duty in an Age of Rights: A study of the supply side of human rights in the context of maritime migration’.

Adv. LL.M. Students visit the International Criminal Court

Early November, Professor of European Law Jorrit Rijpma contributed to Europol's Virtual Foresight Exercise to address the future impact on serious and organised crime in the EU. Human trafficking, smuggling and other forms of organised cross border crime fall within the competence of Europol.

In the confrontational ‘House of Misconceptions’, visitors put themselves in another person’s shoes and have to justify their existence. The performance is the result of a unique collaboration between the Liquid Society art collective and Professor of Law and Society Maartje van der Woude and her st…

New volume in the Jus Post Bellum series

On 6 March 2018, the Dutch Minister for Legal Protection, Mr. Dekker, responded to the Ph.D. dissertation ‘Voorlopige hechtenis in het Nederlandse jeugdstrafrecht’ (‘Pre-trial detention in the Dutch juvenile justice system’) in a Letter to Parliament.

On 12 October, Melanie Fink and Jorrit Rijpma presented at the Frontex Consultative Forum on Fundamental Rights in Warsaw, on the issue of responsibility under EU and international law.

According to Brussels, Hungarian Prime Minister Viktor Orbán has systematically been dismantling the rule of law in Hungary since 2010. In a final attempt to do something about this, the EU wants to make payment of subsidies dependent on respect for the rule of law.

The euro crisis of 2010 has shown that the Eurozone lacks economic cohesion and that EU fiscal integration is needed for a stable euro. But can this integration exist without clashing with the national constitutional interests of the Member States? Frederik Behre looked into this matter in his PhD-thesis…

On 28 and 29 June researchers from across the EU came together at Leiden Law School for the first MOSE Young Researcher Workshop.

In a lawsuit concerning the upcoming Dutch elections, the Partij voor de Dieren (Party for the Animals) is claiming that everyone should be able to cast a postal vote. Is it a form of discrimination that everyone above the age of 70 is allowed to cast their vote by post, but people who are younger and…

In October, the Provincial Executive in Friesland reprimanded four civil servants who had signed an incendiary letter asking the government to adopt a more active climate policy. Wim Voermans, Professor of Constitutional and Administrative Law, feels that the Executive made a mistake.

On 22 March 2016, Prof. Carsten Stahn spoke on prosecuting Human Trafficking as a Crime Against Humanity at a Conference on International Criminal Justice, hosted by the Collaborative Innovation Center of Judicial Civilization of Zhejing University in Hangzhou, China.

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…

On the 1 June 2021, Professor Eric De Brabandere and Dr Daniel Peat of the Grotius Centre for International Legal Studies of Leiden Law School launched the Leiden Investment Treaty Arbitration Database.

One Lecture about Immigrant Integration in the EU and its Member State at the Institute of European Studies at George Washington University, one class in a course on Immigration and Integration at Georgetown University, and a lot of judging in the international rounds of the Phillip C. Jessup International…

The Advisory Council on International Affairs (AIV) has issued an opinion on possibilities for reform within the European Union (EU) in the area of Common Foreign and Security Policy (CFSP), the EU budget, and protecting the rule of law.

‘From formal equality to transformative equality: the road to “other law” according to Holtmaat?’

In two moving articles, Dutch newspaper Trouw has reported on the lengthy detention of Abu Zubaydah in Guantánamo Bay. Zubaydah was tortured over a period of many years. Helen Duffy, Professor of International Humanitarian Law and Human Rights, and also Zubaydah’s lawyer, recently booked a major victory…

Four men have been sentenced to 25 years in jail for murdering a female relative. Jeroen ten Voorde, Professor of Criminal and Criminal Procedural Law, spoke to ‘Trouw’ newspaper about the court ruling: ‘They're all considered perpetrators under criminal law.’

What should a confederal constitution for the EAC look like? What are the legal challenges for making the African Free Trade Area (AfCFTA) work? And what insights can be drawn in this context from the successes and failures in the EU?

Leiden University’s Executive Board has appointed South African Professor Ann Skelton as the new Chair of Children’s Rights in a Sustainable World as of 1 October 2022.

Technology and privacy, trust and mistrust. A discussion about this broke out when the University installed scanners and students protested. On Wednesday 2 February experts from Leiden University will explore this topic at the eponymous symposium. We called Roy de Kleijn, as a computer scientist and…

When a child is placed in care, the assumption is always that the child can return home again. But there are still many questions about how this process - the 'permanency plan' - is arranged. New research aims to provide insights.

The Sackler Distinguished Lecture Series on Human Rights was established at Leiden University through an endowment given by Dr. Raymond R. Sackler and his wife, Beverly, international philanthropists with a commitment to supporting scientific research. The lectures mark the annual celebration of International…

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In navolging van Duitsland en het Verenigd Koninkrijk, wil de ministerraad een nieuw wetsvoorstel, om verheerlijking van terrorisme en steunbetuiging aan terroristische organisaties strafbaar te stellen. Wim Voermans, hoogleraar Staatsrecht, duidt de zaak in Dagblad Trouw.

The Dutch State is set to challenge The Hague Court of Appeal's ruling that the Netherlands must stop exporting arms to Israel at the Supreme Court. The government believes that foreign policy falls within the political domain and not within the judiciary. Geerten Boogaard, Professor of Constitutional…

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.’

Prof. Jaap van den Herik was a guest in the latest episode of the Nationale Data Podcast.

Scientists from Leiden and Delft recently discovered old texts using X-ray radiation. The subject was reported in the English newspaper The Guardian.

Recycling of post consumer plastic waste is problematic in that the environmental benefits are questionable and the costs are significant. It would be better to separately collect the most useful parts through the expansion of the deposit system.

Recently, Facebook and Cambridge Analytica have become highly polarizing figures in a data privacy scandal of global (and potentially historic) proportions. What does the Facebook and Cambridge Analytica controversy tell us about data privacy and cybersecurity in the age of Big Data?

CML-researcher Rene Kleijn has spoken about metals scarcity in relation to the energy transition in a new Dutch popular scientific TV show called

Industrial Ecologist Rene Kleijn has been in the consumer watchdog TV show Radar which has been broadcasted Monday 27th of February at 20:30 (NPO 1). He has discussed the reuse and recycling of mobile phones.

As of January 2017, LCDS-director Jaap van den Herik has been appointed member of the Advisory Board of WODC.

PhD student Gineke Wiggers has won the 2nd prize for her paper on User-Focused Ranking in Legal Information Retrieval in the PhD consortium of the 31st International Conference on Legal Knowledge and Information Systems (JURIX).

Multidisciplinary research has established that VAT-results are in practice six times lower than what it should have been. The new estimates rely on machine learning techniques.

Om Saturday August 18, Francien Dechesne (eLaw) and Holger Hoos (LIACS) will give a VPRO Tegenlicht-talk at the Lowlands festival

Europe is still trying to control migration to the continent. In doing so, it has to navigate between humanitarian ideals and public support.

On Wednesday 23 September, the European Commission presented its new migration pact, where EU countries will have to improve cooperation in receiving and allocating migrants. Does this mean the end of refugee camps?

All sorts of predictions have already been made about the AI system ChatGPT: the programme is going to turn education on its head, make search engines look old-fashioned, and put copywriters out of business. Copywriters? Does that include legislative draftsmen? In other words, can ChatGPT draft legislative…

Multinationals blijven belasting ontwijken in Nederland en Europa. Dit loopt op tot jaarlijks 100 miljard euro. Volgens een rapport van de Europese Rekenkamer moet Brussel hier meer tegen doen. Jan Vleggeert, hoogleraar belastingrecht, sprak met de Volkskrant over dit rapport.

On November 16th 2018 Jorrit Rijpma visited the European Parliament and the European Commission with students of the LDE Master on the Governance of Migration and Diversity.

De roep om regie op Digitalisering en kunstmatige intelligentie wordt steeds luider. Reijer Passchier, universitair docent staatsrecht en hoogleraar digitalisering en de democratische rechtsstaat, stelt in Trouw dat dit belangrijke thema nu tussen ‘wal en schip dreigt te vallen, omdat niemand in Den…

Vanwege de toenemende drukte, chaos en gevaarlijke situaties op fietspaden roepen de vijf grote gemeenten op tot een verbod. Volgens Geerten Boogaard, hoogleraar staats- en bestuursrecht, ligt de oplossing niet in een algeheel verbod. In EenVandaag licht hij de zaak toe.