X’s guidelines prohibit manipulated and misleading media. And yet owner Elon Musk recently posted a video of Kamala Harris with an AI voice. Professor of Law and Digital Technologies Gerrit-Jan Zwenne talks to Dutch newspaper ‘de Volkskrant’ about what Musk is and is not allowed to post.

‘A tax crusader’... that’s how Ferd Grapperhaus, former Professor of Tax Law at Leiden University and father of the former Minister of Justice and Security, described himself. In his biography of Grapperhaus, Assistant Professor Rens Pieterse explains that he saw tax as a contribution to society.

Land conflicts between farmers and government authorities or large plantation businesses are an everyday occurrence in many countries in the Global South. The same is true for Indonesia where thousands of land conflicts have been going on for years without a solution being found. In these types of conflicts,…

The Dutch Tax and Customs Authority is planning to start enforcing income tax and contribution obligations again following a moratorium lasting several years. The tax authority is doing this in a move to combat sham self-employment; a dossier that continues to be a huge obstacle for the Dutch House…

‘It is recommended that the State assumes sovereign responsibilities to protect life, liberty and property of its citizens in the domain of cyberspace, despite the international character of cyberspace,’ says Roy van Keulen. He will defend his dissertation on digital force on Wednesday 9 May 2018.

Over the coming years, LUCL will be collaborating on the development of Macroscope, a new scientific infrastructure that maps social change at the population level. Professors Gijsbert Rutten, Stephan Raaijmakers and Carole Tiberius tell us more about the project.

On 26 April 2017, Melanie Fink, PhD candidate at Leiden University and the University of Vienna, participated in a round-table discussion on ‘The “agencification” of EU foreign and defence policy: what role for the EU home affairs agencies abroad?’

EU-landen werken aan een gezamenlijk en strenger asielbeleid om verschillen tussen lidstaten te verkleinen en het asielbeleid beter te beheersen. ‘De kern van het pact is dat het asielbeleid nu echt Europees wordt’, zegt Mark Klaassen, universitair docent migratierecht, in EenVandaag.

On 7 November 2024, an ESIL Joint Colloquium, organised by the European Society of International Law (ESIL) Interest Group ‘The EU as a Global Actor’ (IG EUGLOBAL), in partnership with the Interest Group on Migration and Refugee Law (IG MigRefLaw), took place on the topic ‘The EU as an (Imperfect) Global…

Vasiliki Kosta spoke at the Magna Charta Universitatum Observatory webinar on ‘The roots of academic freedom – underlying values and human rights perspectives’ on 16 February 2023.

During this semester, the University of Vienna offers the 19th lecture series on Gender Studies. On 21 November 2017, Christa Tobler, Professor of European Law at the Universities of Basel (Switzerland) and Leiden, gave a lecture on the subject of multiple discrimination, including also sex.

‘Dutch municipalities’ backroom meetings a massive breach of the law’ was the main headline of Dutch newspaper De Stentor on 24 June 2022. According to investigative journalist Gep Leeflang, Dutch municipalities continuously break the law by holding their municipal council meetings behind closed doors.…

Het demissionair kabinet zet een koerswijziging in ten opzichte van eerdere ‘stille diplomatie’ strategie. Deze koers bevat o.a. een inreisverbod voor twee extremistische ministers Smotrich en Ben-Guyir. Wim Voermans, hoogleraar Staatsrecht, zegt in de Volkskrant’ dat het kabinet hiermee een belangrijk…

Tirza Cramwinckel, Assistant Professor in tax law, has won one of the 2023 Research Prizes awarded by the Praemium Erasmianum Foundation.

Master's students in labour law Just Bakker and Tess van der Putten are to participate in the prestigious Hugo Sinzheimer Moot Court Competition. This EU Labour Law competition will take place in Vienna from 20 to 23 June 2024.

On 25 October 2017, the current class of students of the advanced LL.M. programme International Children’s Rights visited juvenile detention center ‘De Hunnerberg’ in Nijmegen (the Netherlands).

Reijer Passchier, hoogleraar digitalisering en de democratische rechtsstaat aan de Open Universiteit en universitair docent staatsrecht in Leiden, waarschuwt in een opiniestuk in de Volkskrant, voor de alsmaar toenemende invloed van grote technologiebedrijven ten koste van de democratische rechtssta…

Leiden researchers from the departments Company Law and Business Studies will be collaborating with SEO Economisch Onderzoek on behalf of the WODC. The subject of their research project will be the financing of the insolvency administrator.

Demissionair minister Weel rest nog maar één maand de tijd om een nieuw Asielnoodmaatregelenwet te leveren, waarin illegaal verblijf strafbaar wordt gesteld. Geerten Boogaard, hoogleraar staats- en bestuursrecht, schat in dat dit niet lukt, zegt hij in Trouw

On 11 April 2024, Sophie Starrenburg, Assistant Professor at the Grotius Centre for International Legal Studies, organised a workshop on ‘Climate Change and Cultural Heritage: Moving from Heritage Loss to Reparation’ at Tilburg Law School.

Many parents whose children have been placed in care do not understand the basis on which the decision was taken. Dutch youth protection organisations and the Child Protection Council must better document why they request such a measure from the Juvenile Court.

On 1 January 2021, a major youth care centre in the Dutch province Zeeland will close its doors. It is responsible for implementing child protection measures. As a result, it is likely that the care for around 1100 children will come under threat. Vulnerable children will face changes to the authorities…

On Friday 13 December the VI RIDE Conference on the Modernization of European Administrative Law took place at the National Institute of Public Administration in Madrid.

Geert Wilders’ PVV Party believes that Islam is a totalitarian ideology and not a religion, and thus Muslims are not equally entitled to the same freedom of religion or belief as other believers. This view is incompatible with liberal democracy, according to Hans-Martien ten Napel.

An investigation carried out by Dutch news programme Nieuwsuur has revealed that despite a recent ruling by the Centrale Raad van Beroep (Central Appeals Tribunal, CRvB), people who for years cared for a seriously ill relative paid for via a PGB (persoonsgebondenbudget, personal care budget) do not…

In many Dutch bankruptcy cases, ‘irregularities’ occur such as mismanagement or funds being diverted. Jessie Pool, Associate Professor, spoke to ‘Follow the Money’ about suspicious bankruptcies: ‘Litigation can last a long time, cost a lot, and ultimately yield nothing.’

De nieuwe wet Verduidelijking beoordeling arbeidsrelaties en rechtsvermoeden (Vebar) moet duidelijk maken, wanneer iemand als echte zzp’er wordt beschouwd of als werknemer. Stefan Sagel, hoogleraar arbeidsrecht, schreef een opiniestuk over dit onderwerp in de Telegraaf.

Starting in September 2024, the Europa Institute will host a new LL.M. on the Governance of Migration and Diversity [GMD].

The annual Hugo Sinzheimer Moot Court competition took place in Bratislava, Slovakia, from 19 to 21 June 2025. Twelve student teams from various European countries took part in the labour law moot court competition.

The lecture series

Boundaries in the collaboration between private and public interests are more blurred in the US than Europe, says Reijer Passchier, Professor of Digitalisation and the Democratic Constitutional State at the Open University and Assistant Professor in Constitutional Law in Leiden, in ‘de Volkskrant’.

Moritz Jesse, Associate Professor of EU Law at the Europa Institute, has published his book, “The Civic Citizens of Europe: The Legal Potential for Immigrant Integration in the EU, Belgium, Germany, and the United Kingdom”.

‘Vrijwel elke kritische reflectie op AI en de richting waarin AI zich op dit moment ontwikkelt, ontbreekt’, zegt Reijer Passchier, hoogleraar digitalisering en de democratische rechtsstaat aan de OU en universitair docent staatsrecht in Leiden, in een opiniestuk in de Volkskrant.

Helen Duffy, professor of international law in Leiden, is Abu Zubaydah’s international lawyer and commented on the case for the BBC and other media.

In het radioprogramma Spraakmakers becommentarieert Reijer Passchier, universitair docent staatsrecht en hoogleraar digitalisering en de democratische rechtsstaat (OU), de stelling: 'moet er een minister van digitale zaken komen?'

New Danish legislation could mean that citizens will have copyright to their bodies, faces and voices. The Dutch government is also proposing similar legislation. Dirk Visser commented on the issue in NRC newspaper and on BNR radio.

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.

eLaw – Center for Law and Digital Technologies has officially launched its participation in AI:Liner, a Horizon Europe project that will transform how Europe manages its aging sewer infrastructure through artificial intelligence and digital innovation.

Dr Eduard Fosch-Villaronga, Assistant Professor at eLaw - Center for Law and Digital Technologies, and 8 partners have been awarded the project 'BIAS: Mitigating Diversity Biases in the Labour Market', a large €4.7M Horizon Europe grant.

eLaw - Center for Law and Digital Technologies at Leiden University, participated in the Horizon Europe BIAS Project international co-creational workshop geared towards discussing fairness of AI applications in the hiring process and ALTAI requirements.

Eduard Fosch-Villaronga from eLaw - Center for Law and Digital Technologies, together with Hadassah Drukarch and Carlos Calleja, explores how compliance tools could be used as data generators for policy purposes to optimise regulatory frameworks for existing and emerging robot technologies.

Students from the Advanced Master in Law and Digital Technologies completed a successful work experience programme at Privacy Company in The Hague.

48 student teams from all over the world will be taking part in the international online moot court competition. The event is organised by Leiden University in partnership with Baker McKenzie.

Study information

One of the objections to the Comprehensive Economic and Trade Agreement between Canada and Europe (Ceta) is that countries would be surrendering national sovereignty to multinationals which will obstruct effective climate policy. But compared to other trade agreements, CETA is an improvement.

Throughout the world fundamental labour rights in supply chains are being violated. Since the Rana Plaza disaster in Bangladesh shook the world, we can no longer turn our heads away.

EU Member States are struggling with rising numbers of migrants and asylum seekers. At the recent EU summit, agreements were reached on better controls at the external borders of the European Union and more consultation with countries where migrants come from.

Hervorming van de VN-Veiligheidsraad is urgenter dan ooit. De huidige samenstelling van de Raad weerspiegelt al lang niet meer de huidige machtsverhoudingen, schreef emeritus hoogleraar, Niels Blokker, in een opiniestuk in Dagblad Trouw.

Where is the dividing line between man and machines? What makes us wiser than robots? How do you know if a film on internet is real? These are the questions that will be addressed at the Brave New World conference on 8 and 9 November.