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Lawson Caisley



Lawson Caisley



Lawson is a partner in Allen & Overy’s Litigation & Investigations Group in London, and is chair of the firm's cyber security group. He specialises in disputes and investigations involving large corporations and financial institutions, and has extensive experience of all aspects of complex commercial litigation and investigations, including matters involving fraud and white collar crime, cyber security breaches, and fund management disputes. He acts for leading FTSE companies, international groups, and private equity and hedge funds, and he routinely handles matters spanning several jurisdictions.

Lawson has been ranked as a leading dispute resolution lawyer in the legal directories for many years where comments about him include: "fantastic, responsive and practical" (Chambers 2019); an excellent tactician who is very good at handling large and complex cases" (Chambers 2018); “His ability to combine legal precision with commercial reality is second to none” (Chambers 2017); “excellent at handling large cases” (Legal 500 2016); “stands out as a serious operator with good commercial judgment” (Chambers 2016);”sees the wood for the trees in complex cases” (Legal 500 2015); “steers through investigatory work with aplomb” (Chambers 2014); "a lawyer who inspires trust…clients know they can rely on him." (Chambers 2013).

Other noteworthy Experience includes advising: 

  • The European Union and the European Investment Bank in proceedings against the Syrian Arab Republic in the English High Court and the Court of Justice of the European Union seeking the recovery of over €400 million under various financing agreements.
  • A global mining company in relation to various multi-jurisdictional post-acquisition disputes following the US$4.9bn sale of part of its business.
  • A FTSE 100 company in relation to an investigation into allegations of fraudulent accounting and market manipulation made by a whistleblower to the Serious Fraud Office.
  • A global law firm in relation to a US$200 million negligence claim against it concerning the structuring and subsequent collapse of a collateralised debt obligation.
  • A FTSE 100 company in relation to a dispute with the Financial Reporting Council concerning allegedly misleading statements and accounting treatment in its report and accounts.
  • An insurance company in relation to a criminal investigation by the National Crime Agency and the Information Commissioner’s Office into potential breaches of the Data Protection Act.
  • A global aerospace company in proceedings against several banks before the Indian and English courts relating to various financing arrangements, including striking out the Indian proceedings via an anti-suit injunction in the English court.
  • A Middle East government in relation to its global options and strategy for dealing with the hacking and subsequent leaking to the international press of sensitive government and diplomatic emails and information.
  • A Kazakhstan bank in relation to multiple and multi-jurisdictional proceedings aimed at tracing and recovering the circa US$7 billion stolen from the bank by its former management.
  • A global pharmaceutical company in relation to a US$200 million outsourcing dispute.

Experience highlights

News & insights

City view with bright lights

Publications: 02 DECEMBER 2020

Court of Appeal restates the legal principles applicable to the sanction of Part VII transfers of insurance businesses

The Court of Appeal has today upheld the joint appeals by The Prudential Assurance Company Limited (PAC) and Rothesay Life Plc (Rothesay) against Snowden J’s refusal to sanction the transfer of a…

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Glass high-rise buildings

Publications: 30 NOVEMBER 2020

Pensions Academy Online

Throughout the week of 23 November 2020 we hosted our Pensions Academy Online - an update on issues for pension schemes and the people that run them. Recordings of our sessions can be found below.

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Publications: 30 JUNE 2020

Webinar: Cybersecurity – How to respond to an incident

Allen & Overy partners with leading security experts, Kroll, to discuss how to respond to a cybersecurity incident. In light of the heightened threat level due to remote working and disruption caused…

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Blog Post: 22 NOVEMBER 2019

Cyber and data breaches: the questions that always arise

When a company is the victim of a cyber attack or data breach, a number of crucial questions will have to be answered immediately.  These include: Must we involve the police? Do we need to pursue…

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