Jens Iverson, Assistant Professor of International Law and a Researcher in the Jus Post Bellum Project, defended his Ph.D. dissertation on 21 September 2017.

Read more about the International Network Open Science & Scholarship Communities in our Vision and Mission statements.

Maritime conflict management is the regulation of conflict in relation to the sea. It comprises conflict enforcement, conflict resolution and conflict avoidance. How did victims of maritime conflicts claim and obtain damages or demand compensation or reparation?

On 28 February and 1 March 2019, Stichting Bob Wessels Insolvency Law Collection (Foundation) held its first PhD Workshop on European and International Insolvency Law. The workshop attracted more than 25 applications from PhD students from all over Europe. At the workshop young researchers had a chance…

This inaugural lecture discusses the question: How to cooperate in the digital era?

In bankruptcies, proceeds are often too low to pay the trustees and fraud often occurs. This lack of resources means that fraudsters can get off scot-free, according to research by Leiden University and SEO Economic Research.

International courts and tribunals depend on state funding, creating a potential risk of undue state interference in judicial processes. In her doctoral thesis, Maria Manolecsu explores mechanisms that safeguard judicial independence, ensuring that courts can adjudicate without external pressure or…

This article traces the evolution of interpretations of international law and international cyber norms on responsible state behaviour in cyberspace by reassessing five major – and allegedly state-led – cyber operations: Stuxnet 2010; Belgacom 2013-2014, the Ukrainian power grid 2015, the US presidential…

On September 20 and 21, a conference on the governance of international courts and tribunals took place at Leiden Law School.

On Wednesday, September 17, 2025, Prof.dr. Sarah Cramsey convened a book manuscript event at the beach of Wassenaar near Leiden to discuss her new book 'Caring through Catastrophe: Jewish Children and their Caretakers during the Holocaust' which is under contract with Indiana University Press.

Following years of negotiations between Member States and the European Parliament, there’s finally been a breakthrough for migration policy. What does it mean for the Netherlands, exactly? Mark Klaassen, Assistant Professor in Immigration Law, discusses this on various media channels.

Donald Trump’s re-election: it could become reality after the November 2024 elections. According to various experts across Europe and the US, Europe needs to prepare for the potential implications of this scenario for European security. Professor Luuk van Middelaar, an expert in European Law, discussed…

This week the European Commission took a major step by starting infringement proceedings against the United Kingdom. The issue at stake is the contentious Internal Market Bill introduced by Boris Johnson’s government which is contrary to the Brexit Agreement.

Home to the International Court of Justice and the International Criminal Court, The Hague is the perfect backdrop to explore conceptions of justice in our global society. Questions of human rights, peace, security and the environment present legal and policy challenges for governmental and non-governmental…

This summer school focuses on the emergence of sexual orientation, gender identity (SOGI) and intersex issues in different areas of international law, such as human rights law, refugee law, international economic law, and international criminal law. Further details and registration information will…

After a successful first edition in February 2019, the Stichting Bob Wessels Insolvency Law Collection invites PhD students from Europe and beyond for a second edition of the PhD workshop on European/International Insolvency Law. At this workshop they can present their ideas, but also the challenges…

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.

It appears that interest groups are increasingly finding their way to court or other ways of making use of the legal system as a means for societal change. Over the summer, Rowie Stolk, PhD candidate at the Department of Constitutional and Administrative Law was one of the speakers at the workshop ‘Legal…

What issues arise in the changing landscape of privacy, identity and data protection?

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.

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

In this policy brief, Dennis Broeders, Els De Busser and Patryk Pawlak discuss attribution of in cyberspace from three different perspectives: criminal law, international law and policy. Published together with EU Cyber Direct.

On 10 March 2021, Pieter Huizing defended his thesis 'Parallel Enforcement of International Cartels and Its Impact on the Proportionality of Overall Punishment'. The doctoral thesis was supervised by Prof. T.R. Ottervanger.

Waarom is empirisch-juridisch onderzoek van belang voor de rechtspraktijk en het wetenschappelijke onderzoek? Op die vraag kregen masterstudenten van de afstudeerrichtingen civiel recht, ondernemingsrecht en financieel recht antwoord tijdens het congres over empirisch-juridisch onderzoek en het privaatrecht…

International Coalitions for Peace in the Era of Decolonization, 1918-1970

A conference organized by Niels Blokker, professor of International Institutional Law and Ramses Wessel (RUG) to celebrate the 20th anniversary of the International Organizations Law Review.

From 15 to 20 November 2015 twelve members of the Winter-semester intake of theInternational Humanitarian Law Clinic of the Kalshoven-Gieskes Forum attended and actively participated in an international exchange conference on International Humanitarian Law at Radzyner Law School, IDC in Herzliya, Is…

On 18 March 2020, Hoko Horii defended her thesis ‘Child Marriage as a Choice. Rethinking agency in international human rights’. The doctoral research was supervised by prof. A.W. Bedner and prof. G.A. van Klinken.