On 23 January 2020, Paula Kemp defended her thesis 'Enforced performance of commercial sales contracts in the Netherlands, Singapore and China'. The doctoral research was supervised by Prof. H.B. Krans and Prof. M.H. Wissink (RU Groningen).

On this page information is available about the contract and costs of the dual PhD programme of the Dual PhD Centre.

Do you have a general interest in a particular degree programme, but you do not want to complete the entire programme? Many programmes offer the option of becoming a contract student. That means you would not legally be considered a student, but you would have the right to take examinations.

As a contract student you can join our introductory courses and have the right to take part in the course assignments and to take the exam alongside the regular students.

On Monday 16 March, Ewan McKendrick will give his inaugural lecture in the Academy Building at 16:00 hrs, on Commercial Contract Law: How Important is the Quest for Certainty?

To ensure things run as smoothly as possible, we expect students to be considerate and follow our well-established guidelines.

Find out about the effects of Brexit on contracts and supplies.

Leiden University’s Master of International Civil and Commercial Law (L.L.M.) examines the interrelated layers of hard law, soft law, and relevant case law.

On 26 juni 2018, Claire Achmad defended her doctoral thesis 'Children’s Rights in International Commercial Surrogacy: Exploring the Challenges from a Child Rights, Public International Law Perspective'. The doctoral research was supervised by Prof. Dr. Mariëlle Bruning.

Inaugural Lecture

The Zmapp medicine has been developed with funding from the US government within the framework of the Small Business Innovation Research programme. The European Commission tried to emulate the success of this programme within the EU. Has its effort been adequate and sufficient? Is procurement of research…

Would you like to study at Leiden University for a few hours a week? Maybe just one course, or a few modules? Leiden University offers a variety of options for people who are interested in broadening their knowledge within one of our programmes.

On 31 January 2018 Vestert Borger defended his dissertation entitled ‘The Transformation of the Euro: Law, Contract, Solidarity’. The dissertation has been written under the supervision of Professor Stefaan Van den Bogaert (supervisor) and Dr Jorrit Rijpma (co-supervisor).

Research on the morality of life insurance. What issues are raised when insurance companies define responsibility and solidarity? Has insurance changed since the crisis of 2007?

Nonparametric Bayes for high-dimensional models: contraction, credible sets, computations

In this thesis, we used genetically engineered mouse models and a variety of cell-culture based assays to identify genes and pathways that are involved in the development and treatment of invasive lobular carcinoma (ILC).

Dr. Gruni published an article on the impact on sustainable development in the EU Common Commercial Policy of recent Opinion 2/15 CJEU on the Global Trade and Customs Journal.

The Institute of Private Law at Leiden University kindly invites you to an online book launch of the book Legal Pluralism in European Contract Law. The author will introduce the theme and summarise the main conclusions of the book, followed by comments from two panelists. Afterwards, there will be a…

May the Netherlands deny access to products manufactured under poor working conditions? And can a manufacturer bring a case against a country that increases its minimum wage? PhD candidate Ruben Zandvliet examined the legal and ethical issues involved in international commercial law, investment law…

The commercial media in China are more likely to promote the stability of the regime than to undermine it. Political scientist Daniela Stockmann analyses in her new book, Media Commercialization and Authoritarian Rule in China why this is the case. ‘Many journalists do not want a disrupted society.’

On 26 June 2018 Claire Achmad will defend her PhD thesis Children’s Rights in International Commercial Surrogacy.

The programme International Civil and Commercial Law is multi-layered, with different levels of practice. Read more about the programme structure

The Leiden Institute of Advanced Computer Science (LIACS) aims on doing applied research with partners. You can be involved in our research, and in the knowledge transfer of our research results.

On Monday, 09 April 2018, Aron Fischer Ph.D., freelance mathematician and researcher of Colony and Ethereum Foundation’s Swarm team, delivered an absorbing presentation on the Ethereum blockchain, smart contracts and decentralized autonomous organizations (DAOs) at Leiden Law School. These headline-grabbing…

Astronomers Professor Christoph Keller and Dr Frans Snik will be developing a commercial module for measuring fine particulates. They have been awarded an STW Demonstrator subsidy of 138,000 euros.

When a pupil applies for a place at a school and is admitted, a legal relationship is established between them. The exact nature of this legal relationship however is unclear. The law is silent in this area and case law provides no definite answer either. According to PhD Candidate Stijn Voskamp, contract…