Claire Jeffs is hailed as “a recognised leader in the field and one of the very top competition lawyers in London” by sources.
Claire works in the firm’s London and Brussels offices. She has been involved in a large number of high-profile merger cases before the UK and EU competition authorities, as well as coordinating merger approvals worldwide. On the contentious side she has been involved in many cartel and other behavioural cases, including on appeal to the General Court in Luxembourg.
Claire’s recent highlights include advising Google in relation to the European Commission’s investigations into search and advertising; Vodafone on its proposed acquisition of parts of Liberty Global and Shire on its takeover by Takeda.
Claire has been named in W@Competition’s list of “40 in their 40s notable women competition professionals” and The Lawyer’s “Hot 100” list. She was named Dealmaker of the Year by Global Competition Review in 2017 and shortlisted in the Lawyer of the Year category in the 2019 Global Competition Review awards.
Claire is recognised as a leading individual by Chambers, The Legal 500: UK, IFLR1000 and Who’s Who Legal.