Expertise

William has experience and knowledge of competition disputes arising out of competition law infringements. He has assisted in damages claims against addressees of European Commission decisions in relation to cartels and abuse of dominance.

William has gained experience in complex multi-jurisdictional claims across a broad spectrum of sectors including automotive, transport, energy, technology, and finance. A work highlight was assisting the team acting for Asda, Argos and Morrisons in their landmark Supreme Court victory against Mastercard in the long-running multilateral interchange fee litigation (the first claims of their type to be issued in the English Courts) relating to anti-competitive credit card fees.

Experience

• Represented Asda, Argos and Morrisons in their multi-million pound claim against Mastercard.
• 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 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 Gemalto, now part of global security giant Thales Group headquartered in France, in their substantial pan-European smart card chip cartel claim.

Career

Prior to joining the firm as a paralegal, William worked at Herbert Smith Freehills as a legal assistant in their Belfast and London offices. William trained with Stewarts, qualifying into the Commercial Litigation department in 2020 and subsequently joining the Competition team in early 2021.

Recognition

Testimonials include: “Stewarts showed an ability to digest very complex facts and issues. The team worked very hard to meet and achieve our main goals.” – Chambers and Partners

“Stewarts are a market leader in competition damages. They have a deep understanding of how to bring a case in the UK and the EU. They invest heavily in identifying cases and working with experts early on to identify whether they are viable.” – The Legal 500