James Ashe-Taylor

T: +44 (0)20 3668 5605
F: +44 (0)20 3668 5601


James Ashe-Taylor is a member of the firm’s Antitrust Litigation and Counseling Practice Group. His practice focuses on competition law at European Community level and in the United Kingdom. He specialises in merger control, state aid and the antitrust aspects of joint ventures, distribution and agency agreements. He has significant experience in European cartel investigations with a private US litigation dimension and has represented clients (both companies and individuals) in a number of recent prominent cases (rubber chemicals, grocery retailing, marine hose, air cargo). He is a leading expert on EU payments legislation, is a frequent speaker at Fintech conferences, and mentors start-up companies in the Fintech sector.  A former barrister, Mr. Ashe-Taylor advises on antitrust litigation and has also represented clients before the UK VAT and Duties Tribunal.

Recent Representations

  • acting for Zoopla on its acquisition of Digital Property Group;
  • acting for Vivendi on its acquisition of See Tickets;
  • acting for Ticketmaster on its merger with Live Nation (OFT and Competition Commission investigations);
  • advising Hewlett Packard on its acquisition of Autonomy plc;
  • acting for Watson Wyatt on its merger with Towers Perrin;
  • acting for Delta Air Lines in relation to the investigation of the SkyTeam Alliance by the European Commission;
  • acting for a Japanese client in relation to the marine hose cartel investigation;
  • acting for a major US branded goods manufacturer in relation to the OFT investigation of the UK grocery retailing sector.
  • Mr Ashe-Taylor’s other recent representations include significant matters on behalf of Amazon, AT&T, Cardtronics, Enterprise Rent-A-Car, Euronet Worldwide, Investcorp, Marriott International, Pfizer-Wyeth, Walmart and Which?.

Mr. Ashe-Taylor was recommended as a leading lawyer for Competition/Antitrust: non-contentious by Practical Law Company’s Which Lawyer? for the seventh consecutive year (2006-2012). Before joining Constantine Cannon, Mr. Ashe-Taylor was partner in charge of a major international law firm’s London and Brussels offices. He was previously partner in charge of the European antitrust practice of a leading Washington, D.C. law firm. Prior to that, he spent two years at JP Morgan, Inc. in London and New York. He is fluent in French and German.

Practice Groups


  • Solicitor, England & Wales


“Assessing how Brexit will affect antitrust litigation and payment services in the UK” BrightTalk webinar, July 2016
“Compliance programmes and cartel convictions” Talk given at Anderson Mori & Tomotsune, Tokyo, March 2016
“Antitrust mediation” Global Competition Litigation Review November 2015
Due Process: what does it mean in a Divided World? Competition Law in Transition: Trends and Challenges, Dubrovnik, June 2011

Recent Developments in UK and EC Merger Control Speech to the Japanese Fair Trade Commission, Tokyo, October 2010

Competition Law and the Banking Crisis: Eighteen Months On Paper delivered to State Aid, Merger Control and Anti-Competitive Practices Conference, (Lexis Nexis), October 2009

Antitrust Interest in Private Equity
Business Law International (IBA), May 2008

Recent Developments in Antitrust Enforcement in the Energy Sector Emart Conference, Berlin, October 2006

Contributing Author to "Antitrust Year-in-Review
IBC Competition Law Conference, May 2006

Co-Author of "EU Competition Law and Third-party Access to Gas Transmission Networks
Utilities Law Review, June 2005

The Criminal Aspects of UK Cartel Investigations
Chair, May 2005

The Urge to Merge vs The Need to Merge
speech delivered at IBC Communications and EC Competition Law Conference, 2004

Structuring, Negotiating & Implementing Strategic Alliances, 2003 Chairs: James Ashe-Taylor, Kenneth A. Clark. Practising Law Institute

The Future of Tax Policy in the EU - From 'Harmful' Tax Competition to EU Corporate Tax Reform
report of the CEPS Tax Task Force. Centre for European Policy Studies, 2000

The London office of Constantine Cannon is a separate and independent limited liability partnership registered in England and Wales (with registered number OC376384) with a registered office at 1 Paternoster Square, London EC4M 7DX. Constantine Cannon LLP in London is authorised and regulated by the Solicitors Regulation Authority. The word "partner" denotes a member of Constantine Cannon LLP, or an employee or consultant with equivalent standing and qualifications. The professional rules applicable to the firm are available at the SRA website at www.sra.org.uk/rules.