Leah Keen

Competition Litigation

Leah specialises in complex competition litigation and has broad experience having acted on many of the high-profile, multi-party damages claims arising from infringements of competition law. Leah’s clients are predominantly high market value companies from diverse industry sectors.

Leah has acted for claimants and defendants in high-value proceedings in the High Court, the Court of Appeal and the Competition Appeal Tribunal. Leah’s expertise includes advising on follow-on and standalone damages claims, interventions in Competition Appeal Tribunal proceedings and cartel investigations by the CMA.

Leah’s experience includes:

Acting on follow-on and standalone damages claims arising from investigations into high voltage power cables, trucks, refrigeration compressors, copper fittings, air cargo and animal feed phosphates Multi-billion pound litigation against Visa and MasterCard Challenging CMA decisions Defending cartel investigations State aid judicial review