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What is the optimal investment policy according to which a firm adapts its capacity in a competitive market?

The main objective of the Telders International Law Moot Court Competition is to challenge students to excel in international law, consequently testing their creativity and powers of persuasion in a friendly competition. Students and academic staff throughout Europe consider participation to be a great…

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On Thursday 11 May 2017, Qiang Yu defended his doctoral thesis ‘Market Power and Competition Law in the Software Industry’. The supervisors of the research are Professor T.R. Ottervanger and Professor S.C.G. Van den Bogaert. A brief summary of his thesis is provided below.

On 13 January 2022, Pie Habimana defended the thesis 'Harmful Tax Competition in the East African Community'. The doctoral research was supervised by Prof. H. Vording and Prof. S.C.W. Douma (UvA).

On May 9th 2023, LUGO hosted its big Sustainability Day Event, on the theme: the planetary boundaries! The event, which took place at the Academy Building in Leiden, included an opening talk by Prof.dr.ing. Jan Willem Erisman, among others. At the closing, LUGO also awarded its first place prize for…

On Wednesday 13 December 2017 Jaap Wieland defended his doctoral thesis entitled ‘De bescherming van concurrentiebelangen in het bestuursrecht’ (the Protection of Competition Interests in Administrative Law).

When to launch a next-generation product in a competitive market and how much capacity should be allocated to it

Glycoside hydrolases (glycosidases/GHs) are widely abundant enzymes in all kingdoms of life and are important biocatalysts that catalyze the hydrolysis of glycosidic linkages in oligo/polysaccharides, glycoproteins and glycolipids with tremendous efficiency

The Grotius Centre for International Legal Studies is proud to host the following moot court competitions in 2019:

Sustainable energy from wind and solar is most readily available near the sea.

Does the δ-machine have higher accuracy than the other feature-based classifiers in some conditions?

Biologists Michelle Spierings and Ryan Bogaars will both join the Dutch Final of the FameLab Competition on April 21st in Museum Boerhaave, Leiden.

The LEF 2017 Start-up competition has been won by Polariks and their coach Bart Hoenen. Competing for the prize, start-ups Polariks, 1915 Watches and Vrendly presented their respective entrepreneurial ideas to an audience of 350. After the presentations, the jury was tasked with the difficult job of…

Promotor: Prof.dr. P.G.L Klinkhamer

The Green Office wants to help start a community garden in the open patio space of the Schouwburgstraat buiding in the Hague.

9 teams joined the competition Startup24 In Hubspot Leiden. A 24 hour rollercoaster during which startups make as much progress as possible.

Biologists Michelle Spierings and Ryan Bogaars are 2 of the 4 winners of the Leiden heat for the international FameLab competition in talking science during a public presentation.

Linde Desmaele explores how the United States is recalibrating its stance on European unity amid growing strategic competition with China.

The prohibition of anti-competitive unilateral conduct by firms with market power is not absolute, but allows for derogation.

On 23 juni 2019, Zygimantas Juska defended his thesis 'The Role of Collective Redress Actions to Achieve Full Compensation for Violations of European Union Competition Law'. The doctoral research was supervised by Prof. dr. T.R Ottervanger.

Leiden University won the International Criminal Court (ICC) Moot Court Competition – English edition. The final round was held at 7 June 2019, in the ICC in The Hague.

Each year the Grotius Centre in The Hague organises a number of internationally renowned moot court competitions. These competitions, also referred to as ‘moots’, offer international law students a unique opportunity to learn more about international (criminal) law in the City of Peace and Justice…

The ICC Moot Court Competition, organised by the Grotius Centre for International Legal Studies, in partnership with the International Bar Association and sponsored by the Planethood Foundation, the Ministry of Foreign Affairs of the Netherlands and The Hague Municipality, welcomed top students of 64…

Ekaterina Pannebakker, Associate Professor of Private International Law, has won first prize in an international essay competition.

The Leiden University Green Office is pleased to announce its Spring Poetry competition, on the theme: (Environmental) Guilt!

An open disagreement about a non-competition clause in the employment contract of a top business manager is a rare occurrence. Both the company and the employee are wary of the possible damage to their reputation that such a conflict could cause.

The Leiden University Green Office is pleased to announce its Autumn Photography competition, on the theme: Decay.

The Netherlands eScience Center and the Lorentz Center are looking for researchers who want to join the Lorentz-eScience competition and organize a workshop at the Lorentz Center@Snellius, Leiden, the Netherlands.

Although the team from Leiden did not win, the Max Rood Moot Court Competition was a great success once again. Six teams of students (Leiden, Groningen, Maastricht, Utrecht, VU and UvA) participated and passionately argued a case involving summary dismissal.

It is mostly rainfall and soil acidity that determine which microbes survive in a particular habitat and which do not. This knowledge is important for maintaining biodiversity. Leiden environmentalists contributed to the research. Publication in Nature on 1 August.

Prof. Paul Wouters (CWTS) has been appointed by the US based MacArthur Foundation as one of the judges to evaluate proposals in a competition for a grant of $100 million to solve a critical social problem

On 12 September 2025, Dr. Ben Van Rompuy participated in the conference “Playing by the Rules: the Intersection of Competition Law and Sports”, organised by the University of Lausanne.

Prof. Ottervanger, professor emeritus of European Law and Dutch Competition Law has analysed 36 final court judgments concerning decisions by the Netherlands Authority for Consumers & Markets (ACM) in competition cases. The report was part of the review of the ACM that was conducted by the Dutch Ministry…

On 10 October 2018 Maarten Aalbers presented his PhD chapter on the application of state aid law to the professional sports sector at the 8th International PhD Students' Conference on Competition Law at the University of Bialystok.

On Thursday 11 May 2017, Qiang Yu will defend his doctoral thesis ‘Market Power and Competition Law In the Software Industry’. The defence will start at 15.00 hrs, at the Academy Building of Leiden University, Rapenburg 73. The supervisors of the research are Professor T.R. Ottervanger and Professor…

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.

Students from the programmes Life Science & Technology filled out the most National Student Surveys (NSE) out of all Leiden Science students, the assessor announced on 16 March in the Science Club.

On Wednesday 13 December at 13.45 hrs Jaap Wieland will defend his doctoral thesis entitled ‘De bescherming van concurrentiebelangen in het bestuursrecht’ (the Protection of Competition Interests in Administrative Law) at the Academy Building of Leiden University. His supervisors are Professor Willemien…

Leiden University's team participated in the 2023 edition of the Day of Crisis Competition and emerged as Second Runners Up to the Best Team Award and Second Runners Up to the Best Written Advice Award.

Herman Paul of the Leiden University Institute for History receives a € 150,000 grant from the Netherlands Organization for Health Research and Development (ZonMw) for a project on competitive research funding.

Master's students in labour law Just Bakker and Tess van der Putten are to participate in the prestigious Hugo Sinzheimer Moot Court Competition. This EU Labour Law competition will take place in Vienna from 20 to 23 June 2024.

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.

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…