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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.

Within the broader scope of the interdisciplinary programme 'Social Resilience and Security', we seek to provide a broad and deep understanding of the dimensions and etiology of transgressive behaviours, the effects of interventions, and resilience against such behaviours.

On 29 april 2020, Beth Van Schaack defended her thesis 'Imagining Justice for Syria: Water Always Finds Its Way'. The doctoral research was supervised by Prof. C. Stahn.

European labour law has an unmistakable influence on national law. This applies even more to the case-law of the Court of Justice of the European Union (CJEU), as it has implications for the application of European law in the Member States and with it the interpretation of national law. Collected Cases…

The programme places emphasis on the interrelation of regional economic law of the European Union with global or trade law of the World Trade Organisation.

Leiden University has a long standing tradition in the collaboration with Indonesia in research and education.

The admission requirements for contract teaching are similar to the legal admission requirements for an academic programme. This means that you should have obtained at least a pre-university education or equivalent diploma.

The Department of Civil Law teaches and conducts research in the field of civil law. It is responsible for the master’s degree programme Civiel Recht (Civil Law LL.M.) which attracts many students each year from Leiden and elsewhere.

The focus of the research at the Department of Civil Law is the coherency of private law in national, European and global perspective.

The project explores the impact of the clash between defenders of a rules-based order and international law on global governance and the future of legal systems.

Painstaking research in Dutch and Portuguese archive materials, so far poorly assessed on the topic of social relations, reveals intense and intricate associations between different European individuals both in terms of ethnicity and social strata.

On important occasions in a person’s life and where business is concerned, notarial practice plays a crucial role. The master’s programme 'Notarieel recht' is a versatile and challenging field of study.

The master’s programme 'Jeugdrecht' considers topics like child abuse, child refugees, bullying via social media, adoption and divorce and aims to make a difference in the lives of the youngest members of our society.

The secretariat is part of the Institute for the Interdisciplinary Study of the Law, part of Leiden Law School. The Institute Coordinator is in charge of the secretariat and the Institute's Academic Director is ultimately responsible for the secretariat. The secretariat provides administrative support…

Politics and Aesthetics is one of the six research themes of the LUCAS Modern and Contemporary cluster.

This book examines how gender relations were regulated in ancient Near Eastern and biblical law. The textual corpus examined includes the various pertinent law collections, royal decrees and instructions from Mesopotamia and Hatti, and the three biblical legal collections. The book explores issues beginning…

On 10 February 2022, Christian Mommers defended the thesis 'Voluntary return and the limits of individual responsibility in the EU Returns Directive'. The doctoral research was supervised by Prof. P.R. Rodrigues and Prof. P. Boeles.

State utilization of 'hukum adat' and its implication for the Indonesian rule of law

This book brings together contributions on topics related to the Dutch EU Presidency Agenda 2016 from a number of scholars who are affiliated with Leiden University.

Holtz defended her dissertation ‘Collective human rights as an (onto)logical solution to climate change: reconceptualizing, applying and proceduralizing an overlooked category of human rights’ on 16 October 2025. The doctoral research was supervised by Carsten Stahn and Daniëlla Dam-de Jong.

On 13 October 2021 Ross Spence defended the thesis 'Collateral Transactions and Shadow Banking'. The doctoral research was supervised by Prof. M. Haentjens and Prof. A.M. Pacces (UvA).

You will develop an understanding of the interconnectedness between the world economy, international law, justice, war and how peace might become more prevalent.

Are you interested in developments in society? In a conflict, do you prefer searching for a compromise rather than giving a judgement? If so, Notarieel Recht is the right study for you.

Globalisering en internationalisering zijn onlosmakelijk verbonden met onze samenleving. Universiteiten opereren binnen een internationale context, waarbij het aanbieden van internationale programma's en samenwerking met buitenlandse universiteiten vanzelfsprekend is. De Faculteit der Rechtsgeleerdheid…

The programme International Financial Law consists of 8 courses and writing a thesis. The courses are accompanied by assignments and practicing oral presentations.

This book offers a historical and historiographical analysis of the Spanish asiento de negros, a contract between the Spanish Monarchy and private parties to introduce specific number of enslaved Africans to Spanish America.

Knowledge security is essential to safeguard our intellectual assets, maintain trust with partners, and comply with legal and ethical standards.

The master’s programme 'Fiscaal Recht' provides you with in-depth theoretical and practical knowledge on all the ins and outs of tax law.

In this working paper, Dr. Joris Larik provides an analysis of the governance and dispute settlement mechanisms under the Ireland/Northern Ireland Protocol.

This research project addresses the ethical challenges and legal gaps regarding the operations of MNCs in conflict zones.

Education for professionals. Leiden University offers a wide range of courses to boost your career, learn new skills, or broaden your knowledge.

Keeping our planet healthy in a just and responsible way.

Read how to submit your invoice and how to ensure that payment is not delayed.

Joe Finnerty has co-edited the 2026 Symposium in the Human Rights Law Review entitled Legitimate Aims and Ulterior Purposes in International Human Rights Law: Comparative Perspectives.

Leader in law and technology education and research since 1985.

The AI Collaboration Centre aims to forged alliances with the (local) government, companies and other educational institutes.

LLInC supports innovative and high-quality education both within Leiden University and in partnership with academic and social organisations.

Are you curious about how economics, law and governance shape our society? At Leiden University, you’ll explore financial systems, public administration, international relations and legal frameworks. From international law to public policy, from global diplomacy to financial regulation: you’ll learn…

Are you curious about how economics, law and governance shape our society? At Leiden University, you’ll explore financial systems, public administration, international relations and legal frameworks. From international law to public policy, from global diplomacy to financial regulation: you’ll learn…

Grotius Dialogue

The project results and dissemination activities listed here below are the results at the closure of the ICM 2019 project (Summer 2022).

Below you will find some of the questions most frequently asked by students. You will find the direct links to these answers or whom you can approach for more information.

Is the legitimacy of law and governance of multilevel jurisdictions diminishing? What is the significance of (diminishing) legitimacy for the effectiveness of law? These kinds of questions about the legitimacy of the supranational formation of law, its application, and the policy and governance based…