Iryna Lysenko

“Every dispute is personal to my clients, and I approach each with unwavering focus and commitment. Whether it’s a complex multi-million-pound dispute or a more straightforward matter, I apply the same rigour and tenacity to securing outcomes that protect not only their position but also their peace of mind.”
Iryna Lysenko Spencer West Partner

Iryna is a highly regarded dispute resolution partner with 18 years of litigation experience, delivering results in complex, high-value, and high-pressure cases. Known for her strategic clarity, exceptional client care, and meticulous case preparation, she supports clients through a wide range of commercial disputes with calm authority and precision. She acts for both corporate clients and private individuals, tailoring her approach to each client’s unique circumstances.

Having led a department in a boutique firm and overseen complex multi-claimant actions, Iryna has the expertise to manage both large-scale disputes and individual cases with equal precision. She brings the same rigour, attention to detail, and strategic focus to every matter, regardless of size or complexity. After co-founding her own practice, she joined Spencer West to grow her practice within a collaborative, entrepreneurial environment, and to offer clients a more comprehensive suite of cross-border and multi-disciplinary dispute support.

Iryna supports clients through every stage of a dispute, from early risk assessment and pre-action strategy through to litigation, mediation, or negotiated settlement. She is also frequently instructed on complex appeal work and urgent interim relief applications.
Clients value Iryna for her honest, strategic guidance and her ability to simplify complex factual and legal scenarios. She is known for being approachable and personable, putting clients at ease while navigating challenging disputes. Her calm and warm manner ensures clients feel supported, yet beneath that approachable exterior lies a fiercely strategic and results-driven litigator: meticulous, focused, and relentless in protecting her clients’ interests.

Beyond her client work, Iryna holds an RYA Level 2 Sailing Qualification and enjoys sailing, paddleboarding, windsurfing, and, more recently, surfing. She places strong emphasis on spirituality and wellbeing, using yoga and meditation to recentre, stay grounded, and maintain clarity.

Notable Cases:

Iryna has acted in leading test cases at both High Court and Court of Appeal level, including:

  • London International Exhibition Centre plc v Allianz Insurance plc [2024] EWCA Civ 1026; [2023] EWHC 1481 (Comm)
    Lead solicitor for Kaizen Cuisine Ltd & Others and Hairlab Limited & Others, a group of six claimants, in Covid-19 “at the premises” business interruption test-case litigation, with a total value of circa £30M. Iryna successfully represented the claimants at first instance in the High Court and on appeal before the Court of Appeal, with the case being recognised in The Lawyer’s Top 20 Cases of 2023 and among the Top 10 Appeals of 2024.
  • Bellini (N/E) Ltd v Brit UW Ltd [2024] EWCA Civ 435; [2023] EWHC 1545 (Comm)
    Acted for Bellini (N/E) Ltd in Covid-19 in the High Court and the Court of Appeal, a landmark decision which clarified the scope of the principle in Chartbrook on contractual interpretation and rectification in English law.