Skip to content

Thomas Masterman

Partner

London

Masterman Thomas
Thomas Masterman

Partner

London

Tom has over 15 years’ experience advising clients on complex international, EU and UK merger clearances, including some of the highest-profile M&A transactions in the market in recent years.

He also has an established track record of advising on cartel and abuse of dominance investigations, national security / foreign direct investment reviews and market investigations. Tom’s practice spans a broad range of sectors, with particular expertise in infrastructure, life sciences and TMT.

Tom is listed in the Legal 500 directory as a “rising star” and a “superb competition lawyer”. He is also ranked as “future leader” by Who’s Who Legal, who note that he “combines deep industry knowledge with top-drawer intellect to solve client problems.”

Related articles

Keyboard

Publications: 12 May 2022

New UK pro-competition digital markets regime confirmed by Government

The UK Government has set out its plans for a new “pro-competition regime” for digital markets, stamping out recent rumours that the new rules had been shelved.

Read more

Publications: 27 April 2022

UK Government confirms reforms to competition and consumer laws

Read more

Publications: 21 April 2022

CMA consults on draft guidelines on vertical agreements

Read more

Blog Post: 20 July 2021

The UK Competition and Markets Authority imposes record fines for excessive pricing and anti-competitive “pay-for-delay” agreements for hydrocortisone tablets

Read more

Experience highlights

Office

London

Allen & Overy LLP
One Bishops Square
London
E1 6AD

View office →

Qualifications

Professional

Admitted as solicitor, England and Wales, 2006

Admitted as solicitor, Ireland, 2016

Academic

BA, European Legal Studies, Durham University

Erasmus Programme, Katholieke Universiteit Leuven

Other noteworthy experience

Advising:

  •  Liberty Global on merger control and FDI clearances for the establishment of its pan-European data centre platform (AtlasEdge).
  • Grünenthal on numerous M&A matters, including its acquisition from Astra Zeneca of Nexium, Vimovo and Zomig®.
  • Macquarie Asset Management on antitrust and regulatory aspects of its acquisition of Southern Water.
  • Endemol Shine Group on EU and global merger control clearances of its sale to Banijay.
  • Hitachi Automotive Systems on its acquisitions of JR Automation Technologies and Chassis Brakes International and on its global auto-parts JV with Honda.
  • Tullett Prebon on the CMA clearance (with remedies) of its GBP1.6bn acquisition of rival ICAP.
  • Maersk as compliance counsel for all competition related aspects of the 2M vessel sharing arrangement.
  • Fox Networks Group on the investigation by the European Commission into alleged anti-competitive behaviour in the sports rights business.
  • HSBC in relation to the European Commission’s credit default swap investigation.
  • News UK on various matters, including its GBP220.3m acquisition of the Wireless Group, the CMA’s online advertising market study and its DCMS application to vary The Times Undertakings.

Published work

  • Philip Mansfield, Thomas Masterman, Imogen Carr (2022) “Global antitrust enforcement report”, Allen & Overy LLP
  • Thomas Masterman (2021) “FTC launches multilateral working group with EU, UK and Canadian antitrust authorities to take tougher stance on pharmaceutical mergers”, Allen & Overy LLP
  • Philip Mansfield, Thomas Masterman, Imogen Carr (2021) “Global antitrust enforcement report”, Allen & Overy LLP
  • Thomas Masterman (2020) “European Commission completes current cycle of pay-for-delay probes with fines imposed on Teva and Cephalon”, Allen & Overy LLP

Recognition

Awards

Top 3, Global Elite firms

Global Competition Review 2020

TMT Firm of the Year

Legal 500 UK Awards 2019

Competition Team of the Year

British Legal Awards 2018