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Lawson Caisley



Caisley Lawson
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). "[He is] 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: 

  • A global law firm on USD200m negligence claim against it concerning a structured finance transaction.
  • A global aerospace company relating to various financing concurrent proceedings before the Indian and English courts.
  • A global pharmaceutical company on USD200m outsourcing dispute.
  • A FTSE 100 company in relation to a dispute with the Financial Reporting Council concerning statements made in its report and accounts.
  • A global financial services group in relation to multiple proceedings in several jurisdictions relating to the alleged missale of complex investment products.
  • A major international hedge fund in relation to the theft of highly valuable confidential information and trading strategies by a former UK employee. The case involves civil and criminal proceedings and injunctions in a number of jurisdictions, including England, Hong Kong and the U.S.
  • A FTSE 100 company in relation to an in internal investigation into potential corruption issues in its Chinese operations.
  • A FTSE 250 company in relation to an investigation by the Serious Fraud Office into allegations of fraudulent accounting and market manipulation
  • A global corporation in relation to an HMRC investigation into potential tax evasion.
  • A FTSE company in relation to an FCA investigation (and related FRC and ICAEW investigations) concerning potential breaches of the Listing Rules.

Experience highlights

News & insights

Publications: 23 JANUARY 2020

Equity capital markets: navigating the challenges of 2020

2019 was a challenging year for equity capital markets. Proceeds from IPOs fell by over 25% in the UK, and by more than 30% across Europe. A number of political and economic factors, which contributed to pricing uncertainty and market volatility, undoubtedly led to this reduction in activity. 

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Publications: 13 JANUARY 2020

The von der Leyen Commission

The European Commission led by Ursula von der Leyen took office on 1 December 2019, following changes required as a result of the European Parliament rejecting three of the candidate Commissioners originally put forward. 

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Cyber and data breaches: the questions that always arise

Publications: 14 OCTOBER 2019

Podcast: Cyber and data breaches - the questions that always arise

Cyberattacks make prominent headlines yet many cyber and data breaches remain private. How firms act in the immediate aftermath of being hit may impact how much damage is done. In this cybersecurity podcast, Lawson Caisley, talks through immediate priorities post-attack answering the following key questions:

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Publications: 11 SEPTEMBER 2018

ENRC v SFO appeal: internal corporate investigation documents were protected by privilege

Documents, including interview notes, generated by mining company ENRC during an internal corruption investigation were protected by privilege and therefore did not have to be disclosed to the Serious Fraud Office (SFO).

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