Strategic Litigation Teams Ukraine: Russian Asset Seizure and Reparations Law

When Russian forces launched the full-scale invasion of Ukraine on 24 February 2022, governments in North America and Europe responded within days with something unprecedented in the modern era: the freezing of approximately $300 billion in Russian sovereign assets — primarily Russian central bank reserves held through the SWIFT financial system and in Western financial institutions, with the largest concentration (~$210 billion) held in the Belgian clearinghouse Euroclear. The decision to freeze rather than immediately seize these assets reflected legal uncertainty: freezing is a reversible action that can be justified under emergency economic measures and existing sanctions frameworks; seizing and transferring the assets to Ukraine requires an established legal authority that, in early 2022, did not clearly exist. The intervening years have been a period of intensive legal work — by government legal teams, independent international law scholars, and law firms representing both Ukrainian government interests and broader coalition positions — to build the legal architecture that might make seizure and transfer possible.

The Frozen Asset Landscape

The approximately $300 billion in Russian sovereign assets immobilized in Western financial systems following the February 2022 invasion represents the largest ever freezing of sovereign assets in history. The assets consist primarily of Russian central bank foreign exchange reserves invested in sovereign bonds, cash deposits, and other financial instruments. The geographic distribution: roughly $210 billion through Euroclear (Belgium), approximately $38 billion across the G7 (US, UK, Japan, Canada, other EU states), and the remainder spread across other jurisdictions. Russia had diversified its foreign exchange reserves out of US dollar-denominated assets in the years preceding the invasion (following earlier sanctions episodes), but had maintained large positions in EUR-denominated assets and in Euroclear — a choice that, with the benefit of hindsight, left a very large portion of its reserves within the reach of Western sanctions. The approximately $50 billion annually generated in interest income from these frozen assets has been the focus of the most practically advanced legal mechanism — the ERA loans model — while the principal sum remains frozen pending resolution of the more difficult legal questions about outright seizure.

Russian Asset Legal Framework Comparison

Countermeasures Doctrine: The Core Legal Debate

The primary international law theory that might justify outright seizure (rather than just freezing) of Russian sovereign assets is the doctrine of countermeasures — lawful responses by injured states or the international community to internationally wrongful acts. The International Law Commission's Draft Articles on State Responsibility (Articles 49–54) establish the conditions under which countermeasures are permissible: they must be taken in response to a prior internationally wrongful act (Russia's invasion clearly qualifies); they must be aimed at inducing cessation of the wrongful act or obtaining reparations; they must be proportionate to the injury suffered; and they must be preceded by a call on the responsible state to fulfill its obligations. The contested legal question is whether countermeasures theory can be used to transfer assets to a fund for injured parties, rather than simply retaining them as leverage. Some leading international law scholars (including professors from Oxford, Cambridge, NYU, and Georgetown) have argued that "third-state countermeasures" — in which states not directly injured but acting in the collective interest also apply countermeasures — are lawful under customary international law, particularly given the erga omnes nature (obligations owed to the entire international community) of the violations involved.

The ERA Loans Model: A Practical Compromise

The Extraordinary Revenue Acceleration (ERA) loans model announced at the G7 Puglia Summit in June 2024 represented a practical compromise between the legal caution of European governments (particularly France and Germany, sensitive to the precedent implications of sovereign asset seizure) and the political pressure to make frozen Russian assets serve Ukraine's immediate funding needs. The model: G7 and EU commit to provide Ukraine with approximately $50 billion in loans; the loans are backed and serviced by the ~$50 billion in interest income generated annually by the frozen $300 billion principal; no seizure of principal occurs; if and when the principal is eventually released or legal mechanisms for seizure are established, those proceeds would repay the loans. The EU's implementation mechanism — a levy on the "extraordinary windfall profits" earned by Euroclear from the frozen Russian assets — was the most legally novel element, requiring new EU regulation creating a new category of "special contribution" extracted from Euroclear's profits for transfer to Ukraine. This avoided direct seizure of sovereign assets while capturing the economic benefit they generate.

The ECHR Litigation Pipeline

Strategic litigation at the ECHR adds a distinct legal layer to the accountability architecture. ECHR proceedings, if successful, result in legally binding judgments requiring Russia to pay just satisfaction to applicants — essentially ECHR-ordered reparations. The difficulty: Russia was expelled from the Council of Europe in March 2022, which removed Russia's future obligations under the Convention for post-expulsion violations, but preserved jurisdiction over violations occurring before expulsion and those occurring in territories under Russia's jurisdiction (including occupied Ukrainian territories) since Russia accepted jurisdiction. As of 2024, the Council of Europe Committee of Ministers was managing the execution of hundreds of ECHR judgments against Russia that Russia was refusing to comply with — a pre-existing enforcement failure that the Ukraine cases would compound. Strategic litigation teams have prepared for this through a novel mechanism: the Council of Europe established a Ukraine-specific operational mechanism to potentially use frozen Russian assets transferred to CoE custody as source of payment for just satisfaction awards, creating a pathway from ECHR judgments to actual compensation for victims without requiring Russian voluntary compliance.

Frequently Asked Questions

Why haven't Western governments simply seized the frozen Russian assets?

The reluctance reflects several interconnected concerns beyond pure legal caution. Precedent risk: a norm permitting the seizure of sovereign assets as a sanction instrument would apply to all states' assets in all jurisdictions — Western governments are concerned about the precedent effect on the security of their own assets held abroad, and about potentially deterring foreign central banks from holding reserves in Western currencies. Alliance cohesion: legal opinions vary across G7 and EU states, with some (the US, Canada, UK) more willing to explore seizure under existing authority and others (France, Germany) more cautious about the international law implications. Private creditor rights: Russian sovereign bonds and other financial instruments involve contractual rights of private bondholders alongside the sovereign asset; disentangling sovereign asset seizure from investor rights complications is legally complex. Financial stability concerns: forcing Euroclear to transfer $210 billion in frozen assets to a new fund would be an enormous operational event in European financial markets, requiring careful management. These concerns have driven the ERA loans model as the practical path of least resistance.

What is the SSARA (Strengthening Solidarity with Ukraine Act) in the United States?

The Strengthening Solidarity with Ukraine Act (SSARA), enacted as part of the April 2024 US national security supplemental appropriations package, authorized the US President to seize and transfer to Ukraine Russian sovereign assets in US custody (approximately $5-6 billion of the $300 billion total). The Act passed with bipartisan support as part of the same package that authorized $61 billion in military and economic assistance to Ukraine. The use of the seizure authority was conditioned: the President may exercise the authority if US allies take similar action (attempting to coordinate rather than create unilateral US action that European partners do not mirror). As of mid-2024, the US had not yet exercised the seizure authority — partially because the small US-held portion of Russian assets (vs. the much larger EU-held portion) makes US unilateral action of limited financial impact, and partially because the ERA loans model adopted at the G7 captured the interest on the full amount, reducing the immediate urgency of principal seizure in the US view.

Can Russian oligarchs' private assets be seized for Ukraine reparations?

Russian oligarchs' private assets — seized yachts, frozen real estate, restricted financial accounts — are legally distinct from Russian sovereign (state) assets and present different but equally complex legal challenges. Sovereign assets have specific international law protections but also operate in a framework where state responsibility doctrine applies clearly. Private assets are subject to domestic property law and constitutional protections; seizing them without conviction for a crime in the relevant jurisdiction raises due process concerns that domestic courts in many Western countries would take seriously. The most common legal path for oligarch asset confiscation has been: sanctions designation combined with criminal investigation for sanctions evasion or related offenses (money laundering, unexplained wealth), followed by asset forfeiture in criminal proceedings. Some jurisdictions have sought to create civil asset forfeiture mechanisms for war-related Russian aggressor assets, but these have faced constitutional challenges. The total sum of private oligarch assets available through these mechanisms is significantly smaller than the frozen sovereign assets — estimates suggest $50-100 billion of oligarch assets were immobilized, versus the $300 billion sovereign total.

What role do private law firms play in the Ukraine reparations legal strategy?

Leading international commercial law firms — including firms with international arbitration, public international law, and sanctions law practices — have engaged with Ukraine's legal strategy in various capacities. Some firms (several of which have pro bono Ukraine programs) have advised the Ukrainian government directly. Others have worked with allied governments on asset seizure legal analysis. Some have represented Ukraine or Ukrainian state entities in specific arbitration and litigation proceedings (including investment treaty arbitrations by Russian investors against Ukraine, which Ukraine has had to defend while simultaneously prosecuting Russia in other forums). The commercial neutrality of law firms — which may represent different parties in different roles — creates potential conflict concerns that have required careful management in the Ukraine context, where the same major international firm might represent Ukraine in one proceeding, a Western government in another, and a private investor with interests implicated in Russian asset treatment in a third.

How will reparations interact with any eventual peace settlement?

The relationship between legal reparations proceedings and any eventual diplomatic peace settlement is legally and politically complex. In theory, a peace settlement could include a reparations agreement in which Russia agrees to pay compensation as part of ceasefire or peace treaty terms — replacing the adversarial legal proceedings with a negotiated framework. In practice, given Russia's evident unwillingness to acknowledge responsibility for the war's crimes and harms, a negotiated reparations framework concurrent with any near-term ceasefire is implausible. The legal proceedings are therefore developing on a track parallel to — and largely independent from — diplomatic processes. Any future peace settlement would need to address whether it supersedes or is in addition to outstanding legal judgments (ECHR, ICC, ICJ) and the Register of Damage claims. Ukraine's government has been clear that it considers legal accountability and reparations to be non-negotiable elements of durable peace — not concessions to be traded for diplomatic resolution.

Sources

1. G7 Puglia Summit. Extraordinary Revenue Acceleration (ERA) Loans Communiqué. g7italy.it, June 2024.
2. EU Council. Regulation on Special Contributions from Extraordinary Net Profits from Immobilized Russian Assets. eur-lex.europa.eu, 2024.
3. US Congress. Strengthening Solidarity with Ukraine Act (SSARA) — P.L. 118-50. congress.gov, April 2024.
4. International Law Commission. Draft Articles on Responsibility of States for Internationally Wrongful Acts — Countermeasures Commentary. un.org, 2001 (applied analysis 2022-2024).
5. Yiannibas, K. and Ryngaert, C. (eds.). Confiscation of Russian Sovereign Assets: International Law Perspectives. academic.oup.com, 2023.