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The department of labour law is responsible for teaching and researching labour law and social security law. Both exciting and topical issues.

Vasiliki Kosta has been appointed Emile Noël Fellow at the Jean Monnet Center of New York University (NYU) School of Law after a competitive selection process.

The International Air Law Moot Court Competition is a unique opportunity for students seeking to gain experience in the development of arguments in the field of international law and international air law, while also establishing contacts around the world.

On Wednesday 9 March, a Faculty meeting about the war in Ukraine was held for staff and students in the Lorentz Lecture Hall. By the time the meeting started at 17.00 hrs, the 220 available seats in the lecture hall had been filled mainly by large numbers of students.

The Business & Law Research Network (BLRN) is a multidisciplinary research and expertise network that focuses on a variety of aspects of doing business within the context of company and insolvency law. BLRN is powered by the Company Law Department and the Department of Business Studies at Leiden Law…

The Hazelhoff Centre for Financial Law provides academic teaching and performs research in the field of financial law.

The international legal order is in a process of transformation. But how transforms globalization the international legal order? This research programme provides a clearer framework to analyze this..

At Leiden Law School of Leiden University, it is possible to take certain courses on a contract basis. As a contract student, you will join the regular students in the classroom. A course certificate is awarded if you pass the exam.

This programme video is presented in Dutch

This book offers a comprehensive analysis of the international law applicable to cyber operations, including a systematic examination of attribution, lawfulness and remedies. It demonstrates the importance of countermeasures as a form of remedies and also shows the limits of international law, highlighting…

In his thesis Tjandra analuses the development of labour law in Indonesia. He focusses on the developments after the fall of the Soeharto regime (1998), the so called reformasi period.

In the Pioneers of Leiden University series we talk to past and present students who were the first in their family to go to university. In this fourth instalment: alumnus and philosopher of law Ali Kösedag (1992): ‘Philosophising about equality before the law in the Netherlands at an early-morning…

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

On 25 August 2018, the Leiden Adv. LLM Study Programme in European and International Business Law (EIBL) celebrated 25 years of its existence.

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.

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.

Does the political context (e.g., democracy vs. authoritarianism) influence what makes people perceive authorities as legitimate?

Three professors, including Leiden professor of constitutional law Wim Voermans, sent an urgent letter to the Dutch Senate on 29 May 2023 concerning the new pension system. The criticism focuses not so much on the content of the new pension system, but on the fact that, according to the Constitution,…

How can international investment law and arbitration take account of the public interest in, and more broadly, the public dimension of, the relations between foreign investors and host States ?

The starting point for this research project is the notion that the human brain is susceptible to all kinds of fallacies and biases that affect our perceptions and influence our reasoning outside of our conscious awareness. Indeed, most people think they are merely observing facts and that they process…

The impact of the coronavirus crisis on the judicial system.

Article 10 (2) opening words and (b) of the Trade Mark Directive entitles a trade mark owner to object to infringements of his trade mark by a mark that is 'identical with or similar to the trade mark and used in relation to goods or services which are identical with or similar to those for which the…

Although sexual abstinence before marriage is no longer the central message in The Netherlands the affective relationship as a criterion for professionals within criminal justice can be seen as a more contemporary version of marriage.

Which traits and/or trade-offs determine benefits of being deciduous or evergreen?

How do poor and disadvantaged Indonesians address the injustices they face in daily life and how can their situation be improved?

On 12 September 2018 Rijpma, Associate Professor of European Law at the Europa Institute, spoke at the Netherlands Institute in St. Petersburg in the framework of the Dutch Wednesday lecture series.

The chance that it will do so is about zero, but Russia is legally obliged to investigate violations of law during the war in Ukraine. States that enter into an armed conflict often deny liability, but under international humanitarian law and human rights they are obliged to investigate their military…

Kutsal Yesilkagit, Professor of International Governance at the Institute of Public Administration, has been appointed by Minister Bruins Slot of the Interior and Kingdom Relations as a member of the State Commission on the Rule of Law, which was established in November 2022.

On 12 mei 2020, Darryl Robinson defended 'Exploring Justice in Extreme Cases: Criminal Law Theory and International Criminal Law'. The doctoral research was supervised by Prof. C. Stahn.

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.

The Advanced Master's specialization International Criminal Law at Leiden University examines international criminal law and international criminal procedure.

The staff of the Master of Laws: Advanced Studies in International Children’s Rights is extremely proud.

Our Advanced Master Air and Space Law (LL.M.) combines public air law, private air law and space law from a European and an international perspective.

Leiden University-European Center for Chinese Medicine

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

Expert in Classics Renske Janssen has been awarded a Rubicon grant. She will use the grant to conduct research at the University of Edinburgh into how Roman law was perceived by society at the time.

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).

Our Master Public International Law (L.L.M.) you will gain understanding of the legislation that governs international relations in a complex global society

This project aims to answer legally relevant questions in the field of consumer law by means of empirical research.

Promotores: Prof.dr. W.J.G.M. Peijnenburg & Dr. M.G. Vijver