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Claire Morrissey

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Claire is head of the Dublin Data, Commercial and Technology practice at Maples and Calder, the Maples Group’s law firm. Claire is a leading adviser on data, technology and commercial contracts.  She has a particular focus on GDPR compliance and investigations, emerging technologies and complex sourcing projects.  Claire also regularly advises on the technology, IP and data aspects of joint ventures and mergers & acquisitions. 

Claire’s recent data experience includes advising on GDPR compliance, data transfers, data protection complaints and investigations and data breach management across all sectors including, in particular, financial services and technology.  She has advised on a wide range of commercial contracts including IT contracts and major outsourcings in the financial services sector, intellectual property transfers and licensing, software development, distribution and R&D agreements.


Claire joined the Maples Group as Partner and head of the Dublin Data, Commercial and Technology practice in 2020. She was previously a Partner at another Irish law firm and before that, worked at a leading Magic Circle firm in London.

Claire is highly recommended in a number of top-tier independent legal directories as ‘practical and responsive‘ (The Legal 500, 2020), ‘technically excellent’ (Chambers Europe, 2018) and ‘meticulous in her analysis and extremely responsive’ (Managing Intellectual Property 2017). She was also the only Irish lawyer to be listed in the prestigious '40 under 40' 2018 Global Data Review.


International Association of Privacy Professionals

Society for Computers and Law



Intellectual Property


University College Dublin, Bachelor of Civil Law (Int'l) 2000

KU Leuven, Masters of Law, LLM, 2001 

University of Minnesota, Law School, 1999 


2006 admitted as a solicitor in Ireland 

2008 admitted as a solicitor in England and Wales (non-practising)


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