Gwen is Of Counsel in the Competition group in the Innovation department.
Gwen has a broad competition practice, advising clients in relation to the full range of anticompetitive behaviours (abuse of dominance, cartels, and other anticompetitive agreements). Gwen also has extensive competition litigation experience.
Gwen has extensive experience advising clients on:
- Merger control (including multijurisdictional filings, and Foreign Direct Investment controls). Recently, Gwen advised an international energy company on an anticipated merger in the fertilisers industry
- Exclusivity and non-compete clauses within agreements (including land agreements)
- Distribution and licencing agreements
- Investigations by the European Commission and Dawn Raids
- Complaints to the CMA
Gwen also has extensive experience of advising clients in competition damages claims in the High Court, Competition Appeal Tribunal and arbitrations, including a number of interchange fee claims.
Gwen is currently advising Justin Le Patourel, the class representative, in a collective action brought against BT Plc for abuse of dominance, and several retailers in claims brought against MasterCard and Visa.
Prior to joining Mishcon de Reya, Gwen trained in Linklaters' London and Brussels offices.
Key Experience
Competition Litigation
- Advising Justin Le Patourel in his £600 million opt-out collective action against BT alleging an abuse of BT's dominant position in landline services markets.
- Advising Microsoft in relation to its stand-alone damages claims in the UK in relation to losses suffered as a result of price fixing of lithium-ion batteries
- Advising numerous clients on their interchange fee claims against Visa and Mastercard in the High Court and the Competition Appeal Tribunal
Advisory/Investigations
- Advising an individual in relation to the CMA's investigation into bid-rigging in the construction, design and fit out sector.
- Acting for a large investment bank in relation to the EU investigation into the Credit Default Swaps market
- Advising a business in in relation to complex pricing issues and potential breaches of Article 102 of the Treaty on the Functioning of the European Union
- Advising property companies in relation to anticompetitive land agreements
- Advising a supermarket in its CMA complaint regarding the anticompetitive behaviours of its competitors
Mergers and Markets
- Advising on procurement issues for an international corporate within the transport sector.
- Advising a large retail business in relation to national and localised competition aspects of a UK Phase I merger
- Advising on Phase I merger remedies in the retail sector for a large UK business
- Advising a large food sector business on the competition aspects of the potential acquisition of a large competitor
Career History
Managing Associate, Mishcon de Reya LLP
Associate, Mishcon de Reya LLP
Trainee, Linklaters
PGDip (EU Competition Law), King's College London
Legal Practice Course, The University of Law (Moorgate)
Graduate Diploma in Law, The University of Law (Bloomsbury)
BA (Hons) (History), Royal Holloway University