Extraterritorial Jurisdiction

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The Court That Built the Advisory Opinion It Refused to Complete: OC-30/25 on Arms Trafficking, Corporate Immunity, and the Reach of Advisory Jurisdiction

Mexico’s effort to hold the gun industry to account has now encountered an institutional setback in San José. Its request for an advisory opinion raised six questions before the Inter-American Court of Human Rights (IACtHR). This post examines, against a more expansive account of OC-30/25 offered here, whether laws granting public or private arms-industry companies procedural immunity against victims’ claims are compatible with Articles 8 and 25 of the American Convention on Human Rights. In its 2025 advisory opinion on illicit firearms trafficking, publicly notified on 5 March 2026, the Court addresses the broader human rights implications of such trafficking, but does not answer that question directly. That omission is central to the opinion. It leaves unresolved whether victims can access a court and obtain a remedy when domestic law bars claims against companies related to the arms industry from the outset. The opinion develops much of the normative framework needed to answer that question, yet stops short of doing so.

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The Prosecution ‘Gap’ for Attacks on Subsea Cables and Pipelines

Recent incidents in the Baltic Sea and elsewhere have exposed both the vulnerability of undersea infrastructure and the fragility of the legal order meant to protect it. While recent pieces on EJIL: Talk! and in Ocean Development & International Law address key facets, this post takes a step back to map the wider prosecutorial gap and…

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Anchoring Criminal Jurisdiction at Sea: The Helsinki District Court’s Eagle S Judgement and its impact for the protection of submarine cables and pipelines

The Eagle S incident – a refresher On Christmas Day 2024, the Estlink 2 electricity cable connecting Finland and Estonia was cut by the Eagle S, an oil tanker sailing under the flag of the Cook Islands and linked to the Russian ‘shadow fleet’ (the vessel was later added to the EU’s list of sanctioned…

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