Experience

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 plays a key role across the team’s most complex and involved disputes. As an accomplished competition litigator, with many years’ experience, Leah has recently advised on issues arising from the Trucks Cartel, the High Voltage Power Cables Cartel and in relation to various confidential matters.

Leah has particular experience in advising on jurisdiction issues and has gained significant experience across a range of multi-party claims arising from infringements of competition law.

Expertise

  • Acting for Swiss-based LafargeHolcim, one of the world’s largest building suppliers, in relation to its multi-million Euro pan-European truck cartel claim in the Competition Appeal Tribunal.
  • Acting for Swedish-State owned energy company Vattenfall in its long-running dispute against major power cables manufacturers arising from the high voltage power cables cartel.
  • Acting for a significant group of major house-hold name retailers in their respective multi-million pound claims against Visa and Mastercard for damages relating to multilateral interchange fees.
  • Acting for M&S against DAF and Mercedes-Benz Group in a multi-million pound claim following on from the well-publicised Trucks Decision of the European Commission.
  • Advising a major EU-based textile manufacturer in relation to a substantial claim for damages.
  • Acted for EU-based manufacturer of household appliances in its claim relating to the refrigeration compressors cartel.

Career

Leah studied European Politics to master’s degree level before working in the public sector in Brussels. Leah qualified as a solicitor at Gowling WLG in 2013, joined Stewarts as an Associate in 2015 and was made a Partner in May 2023.

Accreditations and Memberships

Leah is a member of the Law Society Competition Section and the Junior Lawyers Division.

Recognition

Testimonials include:

“Leah is really clever and works diligently with clients to build claims and liaises with numerous individuals to pull together the necessary evidence.”

Contributors to Chambers UK say Leah is “so incisive: she really sees through to the heart of the issues. She isn’t at all foxed by a lot of technical information. She gets sorted and down to the heart of the matter.”