Cian Mansfield


Mr. Mansfield is published on competition law including:

  • Follow the Sectoral Leader: Follow-on Actions from UK Concurrent Regulators’ Decisions, Global Competition Litigation Review 4 (2019), with Belinda Hollway
  • Intel on Jurisdiction: An Intelligent Approach to Treating Anticompetitive Conduct Across Global Supply Chains, Global Competition Litigation Review 1 (2018), with David Howe and Patrick McGahan
  • Territorial Limits on Competition Damages Claims: A New Theory of Causation?, Global Competition Litigation Review 1 (2017), with Hiebendaal
  • Five Years of the CRA: A Lot Done, More to Do, Global Competition Litigation Review 3 (2020), with Belinda Hollway


Mr. Mansfield is Counsel at Scott+Scott London and is a commercial litigator with a specialism in competition damages litigation.

Prior to joining Scott+Scott, Mr. Mansfield spent over six years in the London office of Freshfields Bruckhaus Deringer LLP. During his time at Freshfields, he worked on a number of leading competition damages claims arising from the power cables, gas-insulated switchgear, and power transformers cartels. This included the BritNed v ABB proceedings and assisting local counsel with cases in several other jurisdictions. He also acted in a number of competition investigations, both internal investigations and those brought by international regulators (including the European Commission and the Competition and Markets Authority), particularly in the financial services sector.

In his spare time, Mr. Mansfield enjoys running, reading, and music.


  • Michael O’Higgins FX Class Representative Limited in a CRA claim in the Competition Appeal Tribunal arising from the FX Cartels.
  • Acting for a large number of retailers (including Vodafone, Hermès, GrandVision, Michelin, Dunelm, Soho House, Grange Hotels) in their claims in the English High Court against Visa and Mastercard in relation to anti-competitive interchange fees.
  • Unilever, Danone, AkzoNobel, ArcelorMittal, Aperam and Mondelez in a follow-on damages claim in the Amsterdam District Court arising from the Trucks cartel
  • A solar power company in a commercial dispute in the English High Court involving alleged breaches of contractual and fiduciary duties