Countermeasures

As Russia’s war against Ukraine rages, inflicting suffering on the country, its people, and economy, the Russian Central Bank (RCB) assets remain immobilised (i.e., frozen). Since December 2025, the EU, on whose territory a significant chunk of these assets has been immobilised, – €210 bn worth of assets out of approximately €290 bn  – modified the legal…

On 9th of July 2025, the President of the United States, Donald Trump, sent a letter to the Brazilian President Luis Inácio Lula da Silva communicating that the US will impose a 50% tariff over Brazilian imports starting August 1st. The letter was released in Trump’s social media platform, Truth Social, and came as a relative surprise…

In recent years, States have begun to discuss and assess whether and when they may cooperate in the taking of countermeasures. The question has arisen most prominently in debates about the application of international law to cyber operations in light of the fact that cyber-capabilities vary significantly among States, making some more vulnerable to malicious cyber-operations, as well…

Introduction  In the last few years, the term ‘collective countermeasures’ has at times been used to refer to two conceptually distinct claims. It has continued to be used to refer to the idea that a State other than an injured State, in the sense of Article 48 of the ILC Articles on State Responsibility, may take…