Catherine Wei
Catherine is a Senior Associate (New Zealand Qualified) in our Fraud & Commercial Disputes team. She advises on complex commercial disputes across a range of sectors.
Catherine has acted in high-value litigation involving competition, insolvency, professional negligence, contractual disputes and interim remedies. Her experience also includes litigation funding and large-scale multi-party claims.
Before joining Peters & Peters, Catherine spent almost a decade practising at City firms, where she was involved in a broad range of contentious matters, including Sainsbury's v Mastercard; Sainsbury's v Visa (CAT proceedings), Re One Blackfriars Ltd and the Mercedes diesel emissions litigation.
Admitted as a Barrister and Solicitor of the High Court of New Zealand, Catherine speaks English, Shanghainese, Mandarin, French and Italian.
Case examples
Sainsbury's v Mastercard; Sainsbury's v Visa: Collective proceedings in the Competition Appeal Tribunal examining interchange fees, certification requirements, consumer harm, and redress mechanisms at scale.
Re One Blackfriars Ltd: Insolvency Act professional negligence claim examining valuation advice, causation, director duties and creditor losses.
Mercedes diesel emissions litigation: Major group litigation alleging unlawful defeat devices, vehicle emissions misrepresentation and losses suffered by consumers.