David Weaver

David Weaver

Partner

Email

david.weaver@aoshearman.com

Phone

+44 203 088 2099

Offices

London

V-CARD
David advises clients on all aspects of antitrust and foreign investment law, with a particular focus on obtaining UK and international merger control clearances on complex cross-border M&A.

David is an experienced UK merger control adviser as well as experienced on multi-jurisdictional foreign investment and national security clearances, including routinely advising on substantive UK National Security and Investment Act approvals.

David’s clients are active across a wide range of sectors, and he has particular expertise in retail, technology and financial markets and extensive experience advising a range of private capital institutions on complex cross border investments.

David has experience as a legal adviser at the UK Competition and Markets Authority, advising on complex Phase 1 and Phase 2 mergers investigations. He has invaluable insight into CMA processes and ways of working that can inform strategic decisions for his clients. David has also spent time in the firm's office in Brussels.

Experience

Representative matters

Refinitiv and Blackstone on the USD27bn acquisition by London Stock Exchange Group, including the EU and worldwide antitrust clearances. A transformative deal creating a global digital infrastructure and financial services group.  

Cisco Inc on the global antitrust and foreign investment clearances for its USD 730m public offer for IMImobile PLC, and the USD 625m and USD 120m acquisitions of Accedian Inc and  SamKnows Limited.  

Tullett Prebon plc. on the global antitrust clearances of its GBP1.6bn acquisition of ICAP. Forming the world’s largest interdealer broker.  

Charterhouse Capital Partners on the merger control and UK national security review of its acquisition of Amtivo and several strategic acquisitions and continuation funds.  

Pro bono

David is a frequent mentor to young people. David regularly participates in the award-winning Smart Start and Future Frontiers programmes.

Published Work

  • “Rising tide of ‘Fix-it-first’ and ‘Up-front Buyer’ remedies in EU and UK merger cases”, Allen & Overy LLP, September 2016.
  • “UK merger control: A toughening of the voluntary regime?”, Allen & Overy LLP, July 2019
  • “How should antitrust authorities investigate deals that threaten potential competition? Nascent competition in the UK – all about the potential”, Allen & Overy LLP, July 2021
  • “The National Security and Investment Act 2021: A Snapshot of experience so far”, Allen & Overy LLP, September 2022 

Qualifications

Admissions

Solicitor, England & Wales, 2015

Academic

MA (Oxon), Jurisprudence, University of Oxford, The Queen’s College, 2011
Disclaimer
A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.