Grotius Dialogue

When an international cartel is exposed, the parties involved often face punishment by more than one authority for the same behaviour. There is very little international coordination in the actions of these authorities. Pieter Huizing claims that this can, and must, change. PhD defence on 10 March 2…

How can we safeguard children’s rights in conflict zones? The winners of the 2025 Children’s Rights Moot Court Competition, team 19 from O.P. Jindal Global University in India, show unique potential to bring about positive change in this area.

The Grotius Centre for International Legal Studies is proud to announce a fortified partnership with the International Bar Association to annually stage the largest moot competition focused on international criminal law: The International Criminal Court Moot Court Competition.

A team of four Leiden master's students has qualified for the final of the prestigious Helga Pederson Moot Court Competition 2022. This final will take place in May at the European Court of Human Rights in Strasbourg.

A team of three Leiden tax law students have reached the finals of the most prestigious worldwide moot court competition in the field of international and European tax law.

The Leiden University team representing the International Institute of Air and Space Law (IIASL) won the World Finals of the Manfred Lachs Space Law Moot Court Competition that took place in Paris on 20 September 2022.

Leiden University won five prizes at the 10th edition of the IBA International Criminal Court (ICC) Moot Court Competition – English edition of 2023, including Best Regional Team of Europe.

Every year, the Netherlands Red Cross and Belgian Red Cross-Flanders organise the Frits Kalshoven International Humanitarian Law Moot Court Competition. Eight teams from Belgium and the Netherlands participated in the 17th edition of the competition, from 5-7 March 2025 in The Hague. The team from Leiden…

The 2024 Thorbecke Lecture was held on Friday 19 April, with the theme of ‘The role of the Court of Justice in protecting the consumer’. Before the lecture, students from Leiden Law School and Ghent University’s Faculty of Law competed in a Moot Court competition based on the same topic.

The sixth edition of the Max Rood Moot Court Competition was held on Friday 24 June 2022. This Dutch interuniversity labour law moot court unfortunately could not take place the last two years due to the coronavirus, but this year teams from four universities took on each other again. The day was organised…

The Philip C. Jessup International Law Moot Court Competition is the world’s largest moot court competition. The Competition is a simulation of a fictional dispute between countries before the International Court of Justice. This year more than 570 law schools from across the world participated.

During LAWLANDS, the winning design of the 450 Art Competition was unveiled. The artwork by student Jill Stoelinga was chosen as the winner and is now on display at the KOG.

In what circumstances can EU competition law impose on a dominant firm a duty to supply a competitor? On 19 May 2021, the Europa Institute organised a virtual Leiden Law Exchange (LLX) Roundtable to discuss the European Court of Justice’s recent clarifications on the matter.

Leiden University is well known for its student associations, which provide a great way for you to get to know your fellow students. As well as parties and social events, student associations also offer excellent sporting and cultural opportunities.

International prosecutors, for instance at the International Criminal Court in The Hague, investigate particularly serious crimes such as genocide. They decide, among other things, whether or not to prosecute. PhD candidate Cale Davis investigated how prosecutors come to such decisions and will defend…

Master

In 2023, a number of students from the bachelor’s, master’s and advanced master’s degree programmes won prizes for their outstanding achievements. Congratulations to the award winners and their supervisors who contributed to these successes.

Seminar

Like many moot court competitions around the world, the Leiden-Sarin International Air Law Moot Court Competition was conducted fully online this year. The International Air Law Moot Court is an unparalleled forum for bringing together students and aviation professionals who share a passion for air…

Are you interested in public international law and eager to gain hands-on experience? The Grotius Centre for International Legal Studies is looking for enthusiastic interns to support the with the organization and coordination of its 2026 activities. This includes but is not limited to events such as…

48 student teams from all over the world will be taking part in the international online moot court competition. The event is organised by Leiden University in partnership with Baker McKenzie.

Students from the Royal Academy of Art The Hague (KABK) designed the 450 lustrum logo.

Today marks the start of the Healthy University - Let's Walk Week 2021, a week focused on the mental and physical health of our employees. Including an online program with interesting inspiration sessions, office workouts and sports lessons. And join our walking competition in the Ommetje app!

A design created by student Jill Stoelinga has won our 450 mural competition! From May 12, you can help us paint the artwork. Read on to learn all about what the painting represents and how you can help.

The Grotius Centre for International Legal Studies, Leiden Law School is inviting applications from suitable candidates for 2 positions of Student Assistant for the period of 15 March – 15 July 2022 and for the period of 1 May – 31 August 2022.

Over the past year, many students and staff members of Leiden Law School have been lauded for their extraordinary achievements. For instance: a grant received, an award won, or an appointment by a special committee. We have combined all these achievements in our Honours Gallery 2022:

Kimia Heidary and Helen Pluut received the Best Paper Award at the Munich Summer Institute for their paper on consumer perceptions and personalized pricing.

The International Astronautical Congress (IAC) that took place last week in Paris was extremely successful for IIASL.

Suzanne Kingston will be officially sworn in in mid-January. She graduated from the Leiden Advanced LLM European and International Business Law (EIBL) in 2000.

Education

Organisation

From deepfakes and disinformation to killer robots, surgical robots and AI lawmaking: AI (Artificial Intelligence) is changing our world. That raises the question whether this requires some form of regulation. At eLaw, the Center for Law and Digital Technologies at Leiden University, prof. Bart Custers…

Op vrijdag 28 maart vond de Thorbecke-lezing 2025 in Gent plaats, met als thema 'Thorbecke, Trump en de digitale toekomst van het goederenrecht'. Voorafgaand hielden studenten van de Universiteit Leiden en Gent een pleitwedstrijd over hetzelfde onderwerp.

Natalia Sobrino-Saeb has attended the Nobel Peace Prize award ceremony in Oslo. She was awarded this honour after winning the essay competition of the Nobel Ignitor Fellowship, a programme that seeks to inspire young changemakers around the world – for change can be made by all of us: “You never know…

Starting as an MP during the Covid-19 pandemic and after the recent ‘role elsewhere’ debacle during the coalition talks for a new Dutch government, alumna Mariëlle is looking forward to making a real contribution in society.