Criminal Law and Criminology is is a specialisation of the master’s programme Rechtsgeleerdheid (Law) at the renowned Leiden Law School of Leiden University.

On 5 June, Maarten Aalbers defended the thesis 'The balancing of general interests in EU State Aid Law: blurred lines between the prohibition and the compatibility of aid'. The doctoral research was supervised by Pieter van Cleynenbreugel and Stefaan van den Bogaert.

Constitutional and administrative law is a specialisation of the master’s programme Rechtsgeleerdheid (Law) at the renowned Leiden Law School of Leiden University. This programme looks closely at the interaction between national and European law.

The central question is whether the current regime of international humanitarian law governing the conduct of hostilities in armed conflict is still adequate to deal with modern conflict scenarios, or whether it needs revision or amendment.

Law and Digital Technologies (L.L.M.) examines the legislation and governance regarding internet, computers, persuasive technologies and ambient intelligence.

The Summer School on International Humanitarian Law is designed by the Grotius Centre Kalshoven-Gieskes Forum on International Humanitarian Law.

With regard to governance, policies and law, many Muslims and Muslim countries recognise the possibility that Islam has something important to say about the way society is to be ordered, governed, and regulated.

Organized by the Grotius Centre for International Legal Studies, this programme enables students and professionals from all over the world to engage in discussions on the prospects and challenges of international criminal justice.

Are you thinking about studying the Advanced LL.M. Public International Law? Learn more and watch the videos.

On 18 May 2022, Annelien Bouland defended her thesis 'Please give me my divorce: an ethnography of Muslim women and the law in Senegal'. The doctoral research was supervised by Prof.dr. J.M. Otto, Prof.dr. M.M.A. Kaag and Dr.ir. C.I.M. Jacobs.

On 19 September 2019, Lynette Janssen defended her thesis 'EU Bank Resolution Framework: A comparative study on the relation with national private law'. The doctoral research was supervised by Prof.mr. W.A.K. Rank and prof. M. Haentjens.

The main objective of the Telders International Law Moot Court Competition is to challenge students to excel in international law, consequently testing their creativity and powers of persuasion in a friendly competition. Students and academic staff throughout Europe consider participation to be a great…

Each scientific institute has its own dynamics. The Executive Board is visiting the different institutes to find out what is going on there. On 11 March, staff at the Institute of Tax Law and Economics talked to the Board about their teaching and research. What is going well and what are the challen…

Leiden Law Practices (LLP)

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 18 December 2019, Mikhail Antonov defended his thesis 'Formalism, Realism and Conservatism in Russian Law'. The doctoral research was supervised by Prof. W.B. Simons.

Are you thinking about studying Air and Space Law ? Learn more and watch the videos.

This volume was edited by Jeroen Duindam, Jill Harries, Caroline Humfress, and Nimrod Hurvitz.

Leiden University opened its doors in 1575 – the very first university in the Netherlands. The law faculty was involved from the start and so in 2025 they, too, were celebrating their 450th anniversary.

Mental health issues in the Dutch court: The criminal court as a border guard between the regular Mental Health System and the Criminal Justice system?

Are you thinking about studying the Advanced LL.M. Civil and Commercial Law? Learn more and watch the videos.

The Faculty of Law is becoming more sustainable in many ways, both in teaching and research.

Are you thinking about studying the Advanced LL.M. Law and Digital Technologies? Learn more and watch the videos.

In February 2014, the Swiss voting population accepted a constitutional initiative that aims at limiting migration through quota and, in the field of employment, national preference.

The Institute for Philosophy at Leiden University is host to the NWO programme,

In our European and International Business Law Advanced Master programme, you learn to decipher the hierarchy of European & international business law

Grotius Dialogue

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