"Fiona is fantastic. She is very thorough in her work and her analysis of complex agreements. She is very responsive and is a pleasure to work with."
Chambers UK 2025
"In every way exceptional. She has subject matter expertise, commercial acumen, negotiation skills, and work ethic. She is a pleasure to work with."
Chambers UK 2025
"Sharp as a tack and provides an excellent level of service."
Chambers UK 2025
Ranked – IT & Outsourcing
Chambers UK 2025
Ranked – Data Protection & Information Law
Chambers UK 2025
Leading Partner – IT & Telecoms
The Legal 500 UK 2025
Next Generation Partner – Technology, Media & Telecoms
The Legal 500 UK 2025
"Her ability to keep all the regulatory, technical and security provisions aligned is impressive."
Chambers UK 2024
"Commercial and excellent with clients."
Chambers UK 2024
"Good all rounder when it comes to data protection work."
The Legal 500 UK 2024
Profile
Fiona Maclean, Vice Chair of the firm's Technology Industry Group, advises market-leading clients on complex technology transactions and data privacy compliance, with a particular focus on AI, cloud computing, and data strategy.
Fiona combines commercial pragmatism with her sophisticated understanding of the global data privacy and AI regulatory landscape to help leading tech clients navigate complex, multijurisdictional transactions, and compliance projects.
Her work at the nexus of the commercial and data worlds includes advising on operational resiliency risks, AI governance and some of the most transformational cloud deals in the global market.
Fiona has been recognized for her market-changing work from leading industry publications including Chambers, Legal500, The Lawyer, and Law360.
Fiona serves on Latham’s Training and Career Enhancement (TACE) Committee.
Experience
Fiona’s experience includes advising:
Privacy & Cybersecurity
A significant social media company on ICO and DPC investigations into its privacy by design practices
A social media company on an ICO investigation into its handling of children’s data
A global technology company on privacy compliance for its cross-border products, including in the social media, gaming, cloud, and advertising space
A multinational professional services firm on global data privacy and cybersecurity issues, including breach response
A client on a global compliance project involving more than 30 countries regarding cybersecurity notification requirements
A leading security and risk management company on its acquisition of a cloud-native data loss protection product
AI
A leading social media company in its ICO and DPC engagement regarding the launch of its proprietary AI products
A software company on the launch of its AI governance program
A global digital business services company on its acquisition of AI assets and compliance measures for its AI strategy
Advising a range of clients on investments into AI companies
Outsourcing and Technology
A leading global investment management firm on a transformational migration of its investment management platform to the cloud
A global data analytics and software company on its cloud migration project
A retirement solutions company on the development and launch of its white-labelled integrated financial technology platform
A global financial services client on creating a utility model for its real-time settlement services and other back-office processes
Qualifications
Bar Qualification
England and Wales (Solicitor)
Scotland (Solicitor)
Education
Diploma in IP Law, University of Oxford, 2012
QLTT, BPP Law School, 2012
Diploma in Legal Practice, University of Strathclyde, 2007
Firm honored by Law360 for advising startups, financial institutions, VCs, digital asset and Web3 participants, and corporations on their most innovative and complex transactions, investigations, litigation, and regulatory matters.
Chambers and The Legal 500 recognize Latham’s deep global fintech capabilities and track record of landmark mandates; firm earns Band 1 ranking in Chambers’ inaugural US Crypto-Asset Disputes category.
Firm recognized in Legal 500 and Chambers for depth and breadth of capabilities across globally integrated practices and track record of landmark mandates.
The CJEU has decided that the maximum thresholds for GDPR fines should be calculated using the global turnover of the broader corporate group, not solely the infringing entity.
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