On 8 June, Wanlu Zhang defended the thesis 'Protection of aviation security through the establishment of prohibited airspace'. The doctoral research was supervised by Steven Truxal and Robert Heinsch.

Aviation safety is of global concern. Yet 43% of countries worldwide lack the expertise and administrative capacity to ensure effective safety oversight of the aviation activities for which they are responsible under international law.

On the occasion of the 80th anniversary of the magna carta of civil aviation, the Convention on International Civil Aviation (Chicago Convention 1944), Professor Steven Truxal has written a leading piece for the European Civil Aviation Conference: The Chicago system: a steadfast legal blueprint for…

The book, published by Kluwer Law International, on drones entitled

A one-day conference was organised by the International Institute of Air and Space Law at Leiden University on 11 May 2023, in the lead-up to the 14th Leiden-Sarin International Air Law Moot Court Competition. The topic of the conference was ‘Aviation Cybersecurity’, which was also the topic of this…

This year, the International Institute of Air and Space Law (IIASL) attended the first days of the 41st Assembly of the International Civil Aviation Organization (ICAO).

The Hague Court of Arbitration for Aviation (The Hague CAA) successfully marked its official debut conference with the support of partners, which include Leiden University's International Institute of Air and Space Law (IIASL), the Netherlands Arbitration Institute (NAI), and the Municipality of The…

Last week, aviation professionals and leaders from around the world gathered in Chicago to celebrate the 80th anniversary of the Chicago Convention, the landmark treaty that laid the foundation for modern international civil aviation and established the International Civil Aviation Organization (ICAO).…

The International Institute of Air and Space Law is one of the leading international academic research and teaching institutes in the world, specialising in legal and policy issues regarding aviation and space activities in the broadest sense of the word.

On 14 November 2019, Luis Fiallos Pazmino defended his thesis 'Legal Perspectives on the Cross Border Operations of Unmanned Aircraft Systems'. The doctoral research was supervised by Prof. P.M.J. Mendes de Leon and Prof. E.C.P.D.C. De Brabandere.

The International Institute of Air and Space Law, founded in 1985, collaborates with many world-class academic institutions.

The Advanced LLM programme has been taught since 2000.

Find out more about the career opportunities after finishing the Air and Space Law programme. The programme prepares you for a successful career..

Over the last decades, aviation safety has improved strongly. As a downside, airline pilots do not have as many opportunities to develop through experience the competencies that they need in critical situations.

On Thursday 16 November 2017 Thomas Leclerc defended his PhD Dissertation ‘A Corrective Approach to Reduce Aircraft Greenhouse Gas Emissions. Contribution to the Study of Interactions between Legal Orders of International Law’. The Supervisors are Professor P. Mendes de Leon and Professor L. Grard.

A master's degree in Psychology at Leiden University combines theoretical knowledge with academic and professional skills, making you an attractive candidate for many employers.

Schuurman examines how Russia is escalating its covert operations against European countries.

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.

The Institute of Public Law comprises all areas of public law, with the exception of criminal law, and including labour law.

How do governments distribute resources across economic sectors during a crisis? And why do some sectors receive more than others? The recent COVID-19 pandemic has highlighted the urgency of these questions. In this paper, we explore the extent to which a political economy…

Leiden is the place for Law

Research at Leiden Law School means research at the highest level.

We are very proud to announce that the Geoff Masel Prize 2017 was awarded to Mr. Roberto Cassar, for his essay

In order to solve problems such as the refugee crisis, countries must work together at international level. This requires big changes in the way in which states make and implement policy. Leiden researchers analyse these changes and advise policymakers on best practices.

How to access the end-of-supply risk of spare pares using big data analytics

The institute that focuses on Public Law is as broad as the field itself. The Institute of Public Law has six departments, each with its own research agenda.

This message is to remember his inspiring contributions to the global development of air and space law, the formation of innovative aviation policy and his dynamic commitment to the International Institute of Air and Space Law at Leiden University.

The International Institute of Air and Space Law (IIASL) at Leiden University has joined the Civil Air Navigation Services Organisation (CANSO) as its newest Research and Academia member.

The International Institute of Air and Space Law hosted a book launch event at the Leiden Law School on March 20, 2025, featuring the launch of two important publications in the field of air and space law.

The Univerisity of Sharjah organises a conference on February 22-23, 2017 ; Call for papers has started.

The International Institute of Air and Space Law was delighted to host the 14th edition of the Leiden-Sarin International Air Law Moot Court Competition – for the first time – in Leiden! After three years of online mooting owing to the pandemic, this year’s competition was held again in person.

Leiden’s International Institute of Air and Space Law (IIASL), in partnership with the Sarin Memorial Legal Aid Foundation, was delighted to co-organise the 16th Edition of the Leiden-Sarin International Air Law Moot Court Competition. This year’s event was hosted by the National and Kapodistrian University…

Create a world of opportunities with a master's degree from Leiden University.

Leiden’s International Institute of Air and Space Law (IIASL) was delighted to co-organise the 15th edition of the Leiden-Sarin International Air Law Moot Court Competition alongside this year’s host, the National Autonomous University of Mexico (UNAM) in Mexico City. The event brought together around…

The world of aviation has moved on rapidly since the appearance of the ninth edition of this pre-eminent resource five years ago. Those developments pertain to market access and market behaviour by air carriers, including competition, new perceptions of safety and security, among others in relation…

Jan Aarts, Leiden professor in experimental physics, has been appointed Ridder in de Orde van de Nederlandse Leeuw. He received the royal distinction from the mayor of Leiden Henri Lenferink in the Hooglandse Kerk.

Frans Stoelinga defended his thesis on 19 November 2020.

Jasper de Bie, who obtained his doctoral degree at the Institute of Criminal Law & Criminology and who is currently employed by the Ministry of Security and Justice, has been awarded an honourable third place in the international competition 'TRI Award for the Best Doctoral Dissertation on Terrorism…

Knowledge that benefits society is the domain of the Faculty of Governance and Global Affairs (FGGA). FGGA provides high-quality interdisciplinary education on and research into social and governance issues such as terrorism, organisation of public administration, climate change and economic crises.

ILS organizes monthly Lunch Seminars in which all researchers from Leiden Law School can present their research. The idea is to share in an open and accessible way what researchers from other research programs and institutes are working on. During a seminar, two or three speakers will present their…

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…