HomeAnalyticsDeep AnalysisThe EU Anti-Suit Shield Against Russian Litigation

The EU Anti-Suit Shield Against Russian Litigation

Council Regulation (EU) 2026/506, adopted on 23 April 2026, establishes a direct legal shield for EU persons who face litigation brought in Russia by sanctioned Russian parties in breach of an agreed jurisdiction or arbitration clause. The regulation gives those EU persons the right to seek relief before EU courts and introduces mechanisms to neutralise the effects of such proceedings, including the enforcement of any resulting Russian judgment. For businesses holding unpaid invoices or disputed cross-border claims involving Russian counterparties, understanding this framework is now a practical necessity rather than an academic exercise.

The Legal Framework: What Council Regulation (EU) 2026/506 Actually Does

Before April 2026, EU businesses caught in Russian "torpedo" litigation – proceedings deliberately filed in Russian courts to circumvent contractual forum-selection or arbitration clauses – had no uniform EU-level remedy. They could challenge jurisdiction domestically, but the procedural costs, the risk of a default judgment in Russia, and the absence of any coordinated EU response left many companies exposed. Council Regulation (EU) 2026/506 changes this calculus in three substantive ways.

First, it designates a category of prohibited proceedings: litigation initiated in Russia by a sanctioned Russian person against an EU person where a valid jurisdiction clause or arbitration agreement confers exclusive competence on a court or tribunal outside Russia. The regulation treats such proceedings as a form of economic coercion rather than ordinary international litigation.

Second, it confers jurisdiction on EU courts to grant anti-suit relief and, where appropriate, to award damages against the Russian party for losses flowing from the abusive proceedings. This includes legal costs, the cost of defending or ignoring the Russian action, and potentially the value of a lost commercial opportunity caused by the litigation pressure.

Third, it blocks recognition and enforcement of any Russian judgment obtained through those prohibited proceedings within the territory of the EU. An asset freezing order obtained in a Russian court against EU-based assets – if it flows from proceedings caught by the regulation – cannot be relied upon by the sanctioned party in any EU member state.

Switzerland has adopted a parallel measure under article 29d of its private international law framework, reflecting the same policy logic and creating a degree of coordinated protection across the two jurisdictions for international contracts that name Swiss or EU-seated arbitration.

Scope and Definitions: Who Is Protected and Against Whom

The regulation applies to EU persons, a term that covers natural persons resident in the EU and legal entities incorporated or having their registered office, central administration, or principal place of business in a member state. Subsidiaries of non-EU groups that are themselves incorporated in the EU will generally qualify, though the structure of the corporate group may be scrutinised where it appears to have been arranged to gain the regulation's protection opportunistically.

The opposing party must be a sanctioned Russian person – that is, a natural or legal person listed under the EU's existing Russia sanctions architecture or otherwise meeting the regulation's definition. The European Commission retains oversight of that list, and the dynamic nature of sanctions designations means that a party's status can change over the course of ongoing proceedings. Businesses should monitor ESMA and EBA guidance as well as Commission updates, as those authorities have issued interpretative communications on the broader sanctions framework that are directly relevant to determining whether a counterparty qualifies.

The jurisdictional trigger requires a pre-existing clause: either an exclusive jurisdiction agreement naming a court of a member state (or of Switzerland, under article 29d) or a valid arbitration agreement. Where the underlying contract contains a non-exclusive jurisdiction clause, or no clause at all, the protection offered by the regulation is more limited and the analysis becomes highly fact-specific.

Practical Impact: Debt Recovery, Enforcement and Asset Freezing

For companies holding an unpaid invoice from a Russian counterparty, the regulation interacts directly with the mechanics of cross-border debt collection. A sanctioned Russian debtor that files a counter-suit in Russia – asserting, for example, that the underlying contract is void or that a payment order is unenforceable – can now be met with EU-level anti-suit relief rather than simply being ignored at the EU creditor's peril.

In practical terms, an EU creditor seeking to recover a debt may now pursue parallel tracks simultaneously:

  • EU court proceedings to obtain a judgment on the unpaid invoice, including late payment interest under the applicable contractual or statutory regime, with the Russian anti-suit proceedings neutralised by the regulation.
  • Asset freezing applications before EU courts directed at any assets the Russian person holds within the EU, on the basis that enforcement of a future judgment is otherwise at risk – a standard feature of European pre-judgment attachment practice.
  • Arbitration where the contract provides for it, with the regulation providing a backstop against any Russian award or injunction that might otherwise interfere with the arbitral process.

It is worth noting that the regulation does not itself create a new payment order procedure; it operates alongside the existing European Payment Order regulation and national debt collection regimes. Where a creditor has already obtained a European Payment Order or a national judgment, the question of enforcement against Russian-held EU assets remains subject to standard enforcement procedures, now supplemented by the asset-protection logic of Regulation 2026/506.

If you are assessing options for recovering a debt or enforcing a judgment in a specific member state, the procedural rules differ. Our debt recovery practice in the Czech Republic illustrates how national enforcement rules interact with EU-level instruments in a typical Central European context.

Open Questions and Interpretive Uncertainties

The regulation is recent – adopted on 23 April 2026 – and CJEU guidance on its core concepts is not yet available. Several interpretive questions will shape how the instrument functions in practice.

What constitutes a "breach" of a jurisdiction or arbitration clause? The regulation's scope depends on the Russian proceedings being filed "in breach" of a valid exclusive agreement. Disputes about whether a clause is valid, whether it was effectively incorporated into the contract, or whether it applies to the subject matter of the Russian claim will need to be resolved by the seised EU court. Counterparties that have structured their Russian filings to avoid the appearance of a direct breach may test the boundaries of this definition.

How will damages be quantified? The regulation contemplates compensation for losses caused by the prohibited proceedings but does not specify a methodology. Courts will need to develop approaches to quantifying, for example, the cost of management time diverted to defending Russian litigation, reputational harm, or the value of a commercial opportunity lost because a counterparty declined to transact while proceedings were pending.

What happens to ongoing arbitrations? Where an arbitration was already commenced before the regulation came into force, and Russian proceedings were filed in parallel, the interaction between the regulation and the existing arbitral framework requires careful analysis. The applicable arbitral rules, the seat, and the chronology of filings all matter.

National implementation and procedural rules for bringing anti-suit applications remain subject to the procedural law of each member state. The regulation harmonises the substantive right but does not prescribe the procedural vehicle. Some member states may require new procedural rules; others may be able to accommodate applications under existing urgent relief mechanisms. The position in each jurisdiction is pending clarification by national courts and, in some cases, by national legislation.

Where insolvency or financial distress of the Russian entity is also a consideration – as it may be where sanctions have severely constrained the counterparty's operations – the intersection with restructuring and bankruptcy proceedings adds a further layer of complexity. Our bankruptcy and restructuring practice advises on cross-border insolvency scenarios where the debtor's assets and proceedings span multiple jurisdictions.

Cross-Border Implications: Beyond the EU's Internal Market

The regulation has consequences that extend well beyond purely intra-EU relationships. Three cross-border scenarios deserve particular attention.

EU–Swiss contracts. The parallel adoption of article 29d in Switzerland creates, for the first time, a coordinated anti-suit regime covering both EU-seated and Swiss-seated arbitration. A contract governed by English law, with an ICC arbitration clause selecting Geneva as the seat, would benefit from Swiss protection under article 29d even though the counterparty is an EU entity. The coordination between the two regimes is not automatic, however, and conflicts of application may arise where proceedings touch both jurisdictions.

Third-country enforcement. A Russian judgment obtained through prohibited proceedings cannot be enforced in the EU under the regulation. But it may still be enforceable in third countries that are not party to this framework – and a Russian creditor with assets or business relationships in those third countries may use the judgment as leverage even if it has no EU enforcement value. Affected companies should map their asset footprint and their counterparty relationships globally, not only within the EU.

Choice of law and governing law clauses. The regulation operates on jurisdiction, not governing law. A contract governed by Russian law but subject to an exclusive EU jurisdiction clause is still protected. Conversely, a contract governed by English law but with a non-exclusive Russian jurisdiction clause may not be, unless the specific facts bring it within the regulation's scope. Existing contracts should be reviewed for these gaps.

Strategic Recommendations for Affected Businesses

Based on the framework established by Council Regulation (EU) 2026/506, the following strategic steps are relevant for companies with current or anticipated exposure to Russian litigation risk.

  • Audit existing contracts with Russian counterparties that are currently sanctioned or at risk of designation. Identify whether those contracts contain exclusive jurisdiction or arbitration clauses that would bring them within the regulation's protective scope.
  • Document Russian proceedings promptly. If a sanctioned counterparty files proceedings in Russia, preserve all communications and procedural documents from the outset. A well-documented record of the Russian proceedings will be essential for any EU anti-suit application and for any subsequent claim for damages.
  • Assess parallel enforcement options. Do not treat Russian litigation as a reason to delay EU enforcement action. The regulation provides the legal basis to pursue debt recovery, payment order applications, and asset freezing in the EU simultaneously with opposing the Russian proceedings.
  • Review dispute resolution clauses in new contracts. For contracts being negotiated now, consider whether the jurisdiction or arbitration clause is framed in a way that maximises coverage under the regulation. Non-exclusive clauses, permissive language, and multi-tiered dispute resolution mechanisms may create gaps.
  • Monitor ESMA, EBA and Commission guidance. The sanctions designation that activates the regulation is dynamic. Counterparty status should be checked regularly against current listings, and internal compliance teams should be briefed on the interaction between the anti-suit framework and broader sanctions compliance obligations.
  • Consider Swiss-seated arbitration for new transactions involving counterparties with a significant connection to Switzerland, given the coordinated protection now available under article 29d.

For a fuller discussion of how these steps apply to your specific situation, we welcome enquiries at info@ferrazwhitmore.com or through our contacts page.

Outlook: A Maturing Framework With Unresolved Edges

Council Regulation (EU) 2026/506 represents a significant shift in how the EU responds to the weaponisation of litigation by sanctioned parties. It moves the response from a purely political and sanctions-compliance domain into the structural machinery of private international law – a development that lawyers and courts in all member states will be working through over the coming months and years.

The CJEU will inevitably be asked to rule on the regulation's core concepts: the definition of "breach," the scope of the damages remedy, and the interaction with existing instruments such as the Brussels Ia Regulation and the New York Convention on arbitration. Those rulings will take time, and in the interim, national courts will apply the text as best they can under their own procedural frameworks.

For businesses currently involved in or anticipating disputes with sanctioned Russian counterparties, the regulation is a meaningful tool – but its effectiveness depends on timely action, careful procedural positioning, and a realistic assessment of what it can and cannot achieve. It does not, for example, resolve the difficulty of enforcing an EU judgment against assets that are entirely located in Russia; it operates on what is within the EU's jurisdictional reach.

Further detail on the regulation's adoption and its immediate implications is available in our dedicated alert: EU Adopts Anti-Suit Protection Against Russian Litigation.

If your business has received notice of Russian proceedings, holds an unpaid invoice from a sanctioned Russian entity, or is reviewing its dispute resolution architecture in light of this regulation, we are available to assist. Please contact us at info@ferrazwhitmore.com or visit our contacts page to arrange a consultation.

Disclaimer: This publication is provided for informational purposes only and does not constitute legal advice. The information herein should not be relied upon as a substitute for professional legal counsel tailored to your specific circumstances. Ferraz & Whitmore assumes no liability for actions taken or not taken based on the contents of this material. For advice regarding your particular situation, please contact info@ferrazwhitmore.com.

Reviewed by
Legal Analyst · CIS & Sanctions