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International Law & Treaties

Rules that hold the world together

The Working Group International Law & Treaties examines the legal frameworks governing interactions between states and international organisations. It analyses the development and enforcement of multilateral treaties, covering human rights, maritime boundaries, and environmental protocols. Monthly briefings provide academic research on strengthening international legal order and treaty compliance.

17 articles
A
Military Alliances

Article 42(7) TEU and the EU’s Defence Future

Thematic Working Group Briefs – 2026 Article 42(7) TEU and the EU’s Defence Future More than fifteen years after the Lisbon reforms entered into force, Article…

Indrikis Osenieks · 9 min read · 29 June 2026
I
International Agreements

Investment Arbitration’s New Architecture

Investment Arbitration’s New Architecture How UNCITRAL and ICSID reforms are reshaping investor–State dispute settlement The reform of investor–State dispute…

EPIS Staff · 13 min read · 26 June 2026
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Environmental Security

From Sovereignty to Sustainability

From Sovereignty to Sustainability: Natural Resources and Investment Protection in International Economic Law Natural resources represent a cornerstone of…

Flavia Orazi · 15 min read · 26 June 2026
S
Non-Proliferation of WMDs

Strategic non-nuclear weapons and the NPT

Strategic non-nuclear weapons and the NPT: Revisiting the binary distinction of Article IX(3) The emergence of strategic non-nuclear weapons (SNNW) has blurred…

EPIS Staff · 13 min read · 26 June 2026
L
Alliance Building

Legal Coalitions in a Multipolar World

Legal Coalitions in a Multipolar World How the EU can defend, repair and extend rules in a contested global order by Maximilian Schlenker By early 2026, the…

Maximilian Schlenker · 16 min read · 26 June 2026
O
International Agreements

Outer Space Treaty: An Old But Visionary Document

EPIS Basics: Outer Space Treaty: An Old But Visionary DocumentWords: 480 Introduction: The 1967 Outer Space Treaty (OST), drafted during the Cold War, remains…

EPIS Staff · 3 min read · 23 June 2026
T
International Agreements

The Vienna Convention on the Law of Treaties

The Vienna Convention on the Law of Treaties: The Foundation of International Agreements Introduction When countries sign international agreements, how can…

EPIS Staff · 3 min read · 23 June 2026
Conflict Resolution

“The Arbitral Shield in the Moon Rush”

The Arbitral Shield in the Moon Rush: Resolving “Safety Zone” and Expropriation Disputes under the Artemis Accords Ioana Marin – RG Arctic & Space EPIS Think…

Ioana Marin · 9 min read · 22 June 2026
Solving Mixity by Sidelining Consent
International Agreements

Solving Mixity by Sidelining Consent

Question: Has the EU solved ‘mixity’ at the cost of democracy? Argument: The ‘split-and-apply’ doctrine, refined after Wallonia’s 2016 near-veto of CETA and…

Daniel Gibson · 8 min read · 29 May 2026
Reform without inclusion?
Human Rights Promotion

Reform without inclusion?

– Main question: can BiH strengthen rule of law and fundamental rights while preserving a constitutionally exclusionary system? – Main argument: the…

Ana Madureira · 5 min read · 28 May 2026
S
International Agreements

Strategic Association Treaty (SAT)

Main question: How can the EU enhance its strategic autonomy and competitiveness without causing internal deadlock through full membership expansion? Argument:…

Celia Perret · 8 min read · 27 May 2026
S
Sanctions Policy

Sanctions on Cuba: Is it collective Punishment?

Are the sanctions a form of collective punishment? Can IHL paradigms be transferred to IHRL during ‘peacetime’? This essay argues how sanctions and their…

Vicente Lledo · 1 min read · 25 May 2026
EU Accession Process and the Barrier of Corruption
International Agreements

EU Accession Process and the Barrier of Corruption

Ukraine’s accession highlights the question of whether alignment with EU law actually leads to real improvement in enforcement in practice. Even though Ukraine…

Melih Araboga · 9 min read · 28 April 2026
War in the Dark
Human Rights Promotion

War in the Dark

1. Do Russian strikes on Ukrainian energy infrastructure violate international humanitarian law? 2. The attacks systematically targeted civilian infrastructure…

Iasmina Stoian · 5 min read · 28 April 2026
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Military Alliances

Sovereignty vs. Security

Can the EU establish a sovereign defense force despite rigid legal hurdles and the reluctance of member states to cede national control? Since formal treaty…

Nils Biedermann · 8 min read · 28 March 2026
Ukraine and the Limits of International Justice
International Agreements

Ukraine and the Limits of International Justice

Main question: Can international law truly hold Russia accountable for aggression in Ukraine? Argument: Ukraine has pushed accountability forward through the…

Daniel Gibson · 9 min read · 28 February 2026
Compliance Is Political
International Cooperation

Compliance Is Political

How do advisory opinions matter politically if they are formally non-binding, and who is their real audience in contemporary disputes? The article argues that…

Maximilian Schlenker · 4 min read · 26 January 2026
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