Harriet Slater is an associate in the London office of Latham & Watkins and a member of the Litigation & Trial Department.

Ms. Slater advises clients on white collar defense & investigations, including cross-border criminal government investigations, internal investigations, and regulatory investigations.

Ms. Slater also has experience in complex commercial litigation across a variety of industries and subject matters, and transaction due diligence including contractual analysis on compliance, corruption, supply chain, sanctions, and bribery issues for international clients.

Ms. Slater has experience representing clients in the healthcare and banking industries in connection with complex investigations relating to matters before the US and UK governments as well as experience defending individuals in prosecutions by the Serious Fraud Office.

Ms. Slater is an author of the England & Wales chapter of the International Investigations Review (9th edition released in 2019).

Ms. Slater has an active pro bono practice, representing individuals in the criminal justice system, as well as supporting rule of law and criminal investigation projects in Sub-Saharan Africa.

Ms. Slater’s experience includes:

  • Conducting various international internal investigations on behalf of an international pharmaceutical company following allegations of bribery
  • Representing multiple individuals in a spoofing investigation conducted by the US Department of Justice
  • Advising Facebook in various litigation and regulatory inquiries, including its global litigation and regulatory response in relation to a data breach
  • Acting for an international pharmaceutical company’s defense, and successful settlement, in a guarantee claim
  • Acting for a high profile individual in the entertainment and media industry in an employment claim arising out of the alleged misconduct of Harvey Weinstein
  • Conducting transaction due diligence and contractual analysis on compliance, corruption, supply chain, sanctions, and bribery issues for international clients
  • Representing an American airline in English civil cartel litigation brought by 500+ claimants*
  • Representing a multi-million pound real-estate company in bringing litigation based on breach of warranties involving the development of a hotel in the Caribbean*
  • Representing a publicly listed investment firm in investigations by the Financial Conduct Authority and Serious Fraud Office*
  • Defending an individual in prosecutions by the Serious Fraud Office*

*Matter handled prior to joining Latham

Bar Qualification

  • England and Wales (Solicitor)


  • LPC (Distinction), BPP Law School, London, 2016
  • LLB (Hons), University of Bristol, 2015