In addition to the walk-in tours at the visitor center, we also offer private tours for groups. These tours delve deeper into the history of the building, but also offer the opportunity to learn more about astronomy in general.

Is private law ready for the challenges of our time?

The Private International Law Department provides academic education and performs research in the field of private international law.

The institute offers private Arabic tutoring to the general public, taught by the NVIC staff teachers. We offer classes in both Modern Standard Arabic and Egyptian Colloquial Arabic, on all levels.

A Small Private Online Course (SPOC) is an online academic subject for a limited group of participants.

The Institute of Private Law was closely involved in the development of Nieuw Burgerlijk Wetboek (the Civil Code of the Netherlands, which came about between 1948 and 1992). It has continued to fulfil this socially engaged role over the years. It also made a significant contribution to the development…

The Institute of Private Law is part of the Leiden Law School.

Just published: Nederlands internationaal privaatrecht Special issue: Private international law and finance

On 9 September 2020, Ruben de Graaff defended his thesis 'Concurrence in European Private Law'. The doctoral research was supervised by Prof. A.G. Castermans and Prof. S.C.G. Van den Bogaert.

On 17 October 2018, Henriëtte Weststrate defended her doctoral thesis 'De Notaris en Private Rechtspraak'. The doctoral research was supervised by Prof.dr. H.J. van der Herik and Prof. mr. G.J. Meijer.

How should jurisdictions, both on the national and on the supra-national level, handle the interaction between public and private law where it regards the regulation of financial markets?

On Wednesday 13 December 2017 René Hage defended his doctoral thesis entitled ‘Handhaving van privaatrecht door toezichthouders’ (Enforcement of private law by regulatory authorities).

On 30 June 2016, Eesa Fredericks is expected to defend his Ph.D.-thesis ‘Contractual Capacity in Private International Law’ in Leiden. Supervisors are prof. Sierd J. Schaafsma (Leiden) and prof. Jan Neels (Johannesburg).

Bringing Dominican indigenous collections back to the community

Damien Van Puyvelde and Paul Oling explore how government intelligence agencies can effectively collaborate with the private technology sector to meet their evolving technological needs, focusing particularly on emerging technologies such as artificial intelligence (AI) and quantum computing.

On Thursday 24 November 2016 Moses George will defend his PhD dissertation ‘Legal Implications of Airport Privatization in India’. The defence will commence at 11.15 hrs, in the Academy Building of Leiden University. The Supervisors are Professor Pablo Mendes De Leon and Professor Brian F. Havel (DePaul…

Kohei Suzuki, Assistant Professor at Institute of Public Administration, researched, together with two other authors, whether public managers with private sector experience have more core managerial values.

World History — a Genealogy charts the history of the discipline through twenty-five in-depth conversations with historians whose work has shaped the field of world history in fundamental ways.

How did common people write in the late eighteenth century? Little is yet known on this topic, since our knowledge is mainly based on printed texts written by a small part of the (male) elite population. This dissertation – written from a sociolinguistic point of view – gives us new insights into late-…

Public management scholars have long debated public and private sector differences. However, the generalizability of empirical results has been limited due to the shortage of cross-national studies.

Just published: United in incoherence – Private law concepts under pressure from European financial law (in Dutch), in: Tijdschift voor privaatrecht 2017-4

This article on private active cyber defense by Dennis Broeders is part of a special issue of the Journal of Cybersecurity, based on a selection of contributions taken from the 2019 Conference on Cyber Norms organized by The Hague Program for Cyber Norms.

This article investigates how temporary coalitions of non-state actors engage in international negotiations on environmental issues.

Petra van der Bekerom, Joris van der Voet, and Johan Christensen, three assistant professors at Leiden University, conducted a large-scale survey experiment about whether citizens are more negative about failing service delivery than private organizations.

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.

On 20 September 2023 Mark van de Water successfully defended a doctoral thesis and graduated.

How have British cities changed in the years since the Second World War? And what drove this transformation? This innovative new history traces the development of the post-war British city, from the 1940s era of reconstruction, through the rise and fall of modernist urban renewal, up to the present-day…

'Communal Dining in in the Roman West' explores why the practice of privately sponsored communal dining gained popularity in certain parts of the Western Roman Empire for almost 300 years.

Pursuing Whiteness in the Colonies offers a new comprehension of colonial history from below by taking remnants of individual agencies from a whiteness studies perspective. It highlights the experiences and perceptions of colonisers and how they portrayed and re-interpreted their identities in Afric…

On 2 December 2016, the Coherent Private Law research group organised an international research conference under the title “Private law and market regulation – interaction, interference or inconsistency?”. The central theme of the conference was the juxtaposition of private law doctrines and public…

On 30 June 2016, Eesa Fredericks is expected to defend his Ph.D.-thesis ‘Contractual Capacity in Private International Law’ in Leiden. Supervisors are prof. Sierd J. Schaafsma (Leiden) and prof. Jan Neels (Johannesburg).

To celebrate the fifth anniversary of the Hazelhoff Centre for Financial Law, the conference ‘Public and Private Regulation of Financial Markets’ was held on the 11th of May 2017 at law firm Stibbe in Amsterdam. The conference attracted an international audience originating from more than five different…

On Friday 2 December 2016, an international, multidisciplinary Research Conference on “Private law and market regulation – interaction, interference or inconsistency?” will be held in Leiden, hosted by the Coherent Private Law research group of Leiden Law School. The conference will be focused on two…

A publication on the location of financial losses and the validity of jurisdiction clauses after the CJEU’s Kolassa v Barclays Bank and Profit Investment v Ossi judgments.

On 20 April 2017 Jorrit Rijpma, Eugenio Cusumano, and Melanie Fink organise a Workshop to discuss the legal and policy implications of the surge in privately conducted search and rescue operations in the Central Mediterranean. The Workshop takes place in cooperation between the Law School and the Faculty…

From receiving our salary to doing our shopping: we are completely dependent on commercial banks for all our payment transactions. But what happens if they collapse? In his inaugural lecture, Professor Bart Joosen calls for a rigorous change: ‘Put payment transactions for private clients under one…