Stephenson Harwood

Commercial Litigation

Adam Polonsky is a partner at Stephenson Harwood in the highly-regarded Group Actions and Competition team and is renowned for his expertise in complex multi-party litigation and general commercial disputes, often involving high-value claims in the Commercial Court.

Adam assists a diverse range of clients, from large corporates headquartered in the UK, to smaller businesses and business-owners located throughout Europe. He has a burgeoning practice in shareholder disputes and securities litigation.

Adam provides comprehensive support through all stages of litigation, from pre-action through to trial, offering careful advice on how best to navigate complex court process. His strategic approach, often through targeted interlocutory applications, ensures clients are well-positioned to secure and vindicate their rights. Adam's ability to handle complex proceedings and his proactive approach to settlement is highly valued by his clients.

Clients appreciate Adam's depth of experience, his sensitivity to their litigation goals and his ability to act decisively in high-pressure situations. His work with over 1,000 claimants against Visa and MasterCard showcases his capacity to manage large-scale group litigation, making him a sought-after advisor for those seeking to make use of the collective proceedings regime to protect their rights.