Public International Law is a one-year Master’s specialisation at the internationally acclaimed Leiden Law School at Leiden University. The programme focuses on the legal framework that governs international relations in an increasingly complex global society.

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 ?

In the last week of January, Prof. Rex Arendsen and PhD candidate Maarten Manse of the Department of Tax Law at Leiden Law School, taught an ‘Intensive Course on Tax Law' at the Gadjah Mada University (UGM) in Yogyakarta. This week of lectures illustrates the fruitful cooperation between both univer…

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).

This programme video is presented in Dutch

This edited publication aims at reflecting on the future of discussions on the applicability of international law to States’ use of ICTs in the context of highly politicised discussions at the multilateral level and offering practical suggestions for the European Union to pursue its objectives in this…

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…

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

The Dutch Tax Authorities leaked information about an international tax audit to Uber. In addition, they ‘obstructed and delayed’ an investigation by other EU Member States, says the International Consortium of Investigative Journalists (ICIJ) based on internal documents from the tech company.

On Thursday 1 December 2016 at 13.45 hrs, Francisco Sepulveda Ramirez will defend his doctoral thesis ‘Residence in Tax Treaties' at the Academy Building of Leiden University. Supervisor is Professor F.A. Engelen.

In this course, you will gain a deep insight into the rules that govern armed conflict, and aim to mitigate human suffering on the battlefield. You will explore the why and how of International Humanitarian Law, followed by the different types of conflict.

The Faculty of Law has five institutes:

Are UN sanctions regimes in need of further formalization in terms of substantive design, procedural architecture and with a view to regulating and governing the interplay with other regimes?

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

Het team van vier studenten fiscaal recht heeft zich geplaatst voor de finale van de meest prestigieuze wereldwijde pleitcompetitie op het terrein van internationaal en Europees belastingrecht.

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

The European Parliament’s newly created Subcommittee on Tax Matters held a public hearing on the EU’s work on harmful tax practices on the 1st of December.

If we want tax evasion to become a thing of the past then there has to be more balance in how tax advisers are educated, according to tax professors Jan Vleggeert and Jan van de Streek.

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).

The Summer School on International Humanitarian Law is designed by the Grotius Centre Kalshoven-Gieskes Forum on International Humanitarian Law. Registration is now open!

This publication examines the issues regarding the cross-border resolution of financial institutions, focusing on the power allocation between the home and host resolution authorities, i.e. the jurisdiction rule.

The majority of professors of tax law in the Netherlands have links to accounting and law firms, writes Dutch newspaper De Volkskrant.

No, the Netherlands is not a tax haven, the new State Secretary for Tax Affairs Marnix van Rij said shortly after his introductory meeting with Dutch Prime Minister Rutte. Yet there are numerous reports that describe the Netherlands' role as a tax haven.

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.

Conference

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…

Organized by the Grotius Centre for International Legal Studies, this programme enables students and professionals from all over the world to engage in discussions on the prospects and challenges of international criminal justice. Registration is now open!

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

The launch of the 'Toolkit for the Design and Effective Implementation of Domestic and International General Anti-avoidance Rules' generates strong interest among tax administrations.

Jan van de Streek is a tax scholar who conducts research into the taxation of multinationals. His appointment will commence on 1 January 2021.

The Inter-American Center of Tax Administrations CIAT and the GLOBTAXGOV project have published the 'Toolkit for the Design and Effective Implementation of Domestic and International General Anti-Avoidance Rules'.

The following lectures/courses are given in the framework of the EU Jean Monnet Chair EUTAXGOV at Leiden University. Topic of this Jean Monnet Chair: EU Tax Governance and International Tax Law Making by the EU.

On 15 February 2022, Irma Mosquera Valderrama, Professor of Tax Governance, holder of the EU Jean Monnet Chair on EU Tax Governance EUTAXGOV and Principal Investigator of the ERC funded project GLOBTAXGOV, participated in the High-Level Webinar Taxation and Business in Africa.

The Netherlands remains one of the most important locations when it comes to tax evasion. According to Tax Justice Network only the British Virgin Islands, the Cayman Islands and Bermuda play a greater role.

More than 130 countries, including the Netherlands, have decided to introduce a minimum corporate tax rate of 15 percent. The plan would lead to 125 billion euro in extra tax revenue globally.