Key developments in sanctions, countermeasures and cross-border disputes: insights from London Arbitration Week

By Anna Tsereteli

Sanctions, Russian countermeasures, anti-suit, anti-arbitration and anti-enforcement injunctions have been discussed at the HKA event “Damages, Sanctions, and Justice in a Fractured World” at the inaugural London Arbitration Week. From the outset, it was noted that only 1.2% of all sanctions are issued by the UN Security Council. Sanctions in relation to the most sanctioned … Continued

The Alabama arbitration: a historic precedent for dispute resolution

By Anna Tsereteli

One of the earliest and most influential examples of inter-state arbitration — the Alabama Claims case between the United States and the United Kingdom — remains a cornerstone of modern international dispute settlement. By choosing arbitration over confrontation, both states reinforced the value of an international order that prioritises legal resolution over power politics — … Continued

English court confirms the strict construction of the time limit for challenges under s.69 of the UK Arbitration Act 1996

By Anna Tsereteli

An interesting judgment involving a Russian party, sanctions and a mid-proceedings change of lawyers This blogpost concerns an English High Court judgment handed down on 21 October 2025 by Mr Justice Bright in the case JSC Kazan Oil Plant v. Aves Trade DMCC [2025] EWHC 2713 (Comm). Background The claimant, JSC Kazan Oil Plant (“Claimant”), … Continued

Russian investor-state claims against Western countries are on the rise

By Anna Tsereteli

There is a growing trend of Russian (or former Russian) investors commencing investor-state proceedings against European and North American countries. These disputes relate to alleged expropriation or significant impairment of investors’ assets by the relevant states under the pretext of unilateral coercive measures (sanctions) or other confiscatory measures. To that extent, earlier this autumn, four … Continued

The ADC et al v. Hungary case: lessons on valuation and compensation

By Anna Tsereteli

The ADC et al v. Hungary (Award, 2 October 2006) remains one of the often-cited investor-state arbitration cases on unlawful expropriation. The tribunal found multiple treaty breaches, from lack of due process to absence of compensation, and applied the Chorzów Factory rationale to determine damages. One of the important features of the case was that … Continued

Lawful vs unlawful expropriation: understanding the distinction

By Anna Tsereteli

When does an expropriation become unlawful under public international law? A key question for tribunals is whether failure to compensate renders an expropriation unlawful per se and warrants the award of damages, or whether such failure can be remedied through subsequent compensation. The distinction affects the applicable standard of compensation and the valuation date. The … Continued

Valuing damages in investor-State arbitration

By Anna Tsereteli

With any investor-State arbitration, the valuation of damages plays a critical role in determining the financial outcome of the parties’ dispute. Different tribunals apply varying economic and legal methodologies, often balancing compensation principles with issues of causation and foreseeability. Discussions amongst leading arbitrators, counsel and experts have highlighted the increasing sophistication of these approaches and … Continued

Annulment of ICSID and non-ICSID investor-State arbitration awards: emerging trends

By Anna Tsereteli

A recent empirical study of 170 annulment proceedings in domestic courts, in conjunction with a previous analysis of ICSID annulment proceedings, has provided valuable insights into how investor-State arbitration awards fare under the scrutiny of domestic courts. An ICSID award can be annulled by an ad hoc committee under one of five grounds laid down … Continued

English court rejects arbitration challenge in A&N Seaways and Projects PVT Limited v Allianz Bulk Carriers

By Anna Tsereteli

English court finds that a party did take part in the arbitration proceedings and, on that ground, dismisses the s.72 challenge to the Arbitral Award. In the case A&N Seaways and Projects PVT Limited v Allianz Bulk Carriers DMCC [2025] EWHC 2126 (Comm) (Judgment of 13 August 2025), two main issues were considered by the English … Continued

English Court sets aside ICC award in dispute between Saudi companies

By Anna Tsereteli

In a dispute between two Saudi companies, the English court sets aside an ICC Arbitral Award applying literal interpretation of the contractual documents and rejecting more holistic approach of the ICC Arbitral Tribunal This blog concerns the judgment of the English High Court dated 14 July 2025 (“the Judgment”) on an application under s.67 of … Continued

Ratifying New York Convention alone does not waive sovereign immunity, English High Court rules

By Anna Tsereteli

Ratification of the New York convention on its own is not a ground for a state’s submission to the jurisdiction of the English courts. The High Court’s judgment of 17 April 2025 in the case of CC/Devas (Mauritius) Ltd. and others v. The Republic of India [2025] EWHC 964 (Comm) has attracted the attention of … Continued

English court disagrees with Tribunal in investor-state case and finds jurisdiction

By Anna Tsereteli

English court takes a different view from the Tribunal on the meaning of “investment” and grants the s.67 UK Arbitration Act challenge. The meaning of “investment” and the interpretation of a “measure directly applied” to that investment were the subject of consideration by the English High Court in a decision rendered on 20 June 2025. … Continued