Duncan Liddell
Duncan Liddell

Duncan Liddell

Partner and Head of our London antitrust, regulatory and trade practice

London | Dublin

+44 20 7859 1648 | +44 7766 113 476 |
+353 1 541 4778
Duncan.Liddell@ashurstperkins.com

Introduction

Duncan is a partner in our antitrust and competition and EU law practice in London and advises a wide range of clients on matters before both UK and EU authorities and courts.

Duncan is a partner in our antitrust and competition and EU law department in London and is experienced in contentious and non-contentious UK and EU competition law. Admitted in England & Wales and Ireland, he has considerable experience in advising a wide range of clients on matters before the EU Commission, UK Competition and Markets Authority, UK sectoral regulators (including Ofcom and the FCA), and the UK and European Courts.

Duncan has a very active behavioral practice advising defendants and complainants in relation to contentious and non-contentious matters relating to anti-competitive practices, restrictive practices, cartel behavior and abuse of a dominant position. He also has a wealth of experience advising on the international merger control aspects of a full range of corporate transactions (eg mergers, acquisitions, disposals and joint ventures).

  • Babcock in relation to the sale of part of its helicopter services business, which was subject to a CMA Phase 2 investigation.
  • Liberty House Group in securing clearance under the EU Merger Regulation (and securing the associated Commission purchaser approval) for the acquisition from Arcelor Mittal of substantial steel manufacturing facilities that were required to be divested by Arcelor Mittal to secure clearance for the acquisition of Ilva.
  • A large global investment bank in relation to the investigation by the EU Commission, subsequent infringement decision, and appeal to the European General Court in connection with alleged collusion and manipulation of the European Government Bonds market.
  • A global investment bank in relation to an investigation by the CMA under the Competition Act in relation to alleged collusive manipulation of financial (bond) markets.
  • Royal Mail in relation to its appeal to the Competition Appeal Tribunal of Ofcom's infringement decision against Royal Mail under the Chapter II prohibition of the Competition Act in relation to the pricing of bulk mail delivery services in the UK, and the subsequent appeal of the judgment of the Competition Appeal Tribunal to the Court of Appeal.
  • A global data and indices provider in relation to the FCA's wholesale data market study which is examining benchmarks, credit ratings data and market data vendors.
  • Valero in relation to the CMA's market study into the supply of road fuel.
  • Virgin Media in relation to the successful appeal to the Competition Appeal Tribunal of Ofcom's Business Connectivity Market Review Statement. 
  • Telefonica UK in its defense of a c. £3 billion class action before the Competition Appeal Tribunal in relation to abuse of dominance/collective dominance allegations concerning the pricing of combined handset and airtime mobile contracts to consumers.

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