Claire Jeffs > Slaughter and May > London, England > Lawyer Profile

Slaughter and May
ONE BUNHILL ROW
LONDON
EC1Y 8YY
England

Living Wage

Work Department

Competition
Global Investigations
Media & Telecoms

Position

Partner; Claire is Co-Chair of the Competition Group globally and works in Slaughter and May’s Brussels and London offices.

Claire has extensive experience of both EU and UK competition law. She has been involved in a large number of high-profile merger cases before the EU and UK 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.

Career

Joined firm  in 1998. Partner since 2005.

Languages

French and Russan (fluent). German (proficient).

Lawyer Rankings

London > Corporate and commercial > EU and competition

(Hall of Fame)

Claire JeffsSlaughter and May

The competition group at Slaughter and May is the premier choice for some of the world’s biggest companies, which span an exhaustive list of industries. Well-regarded for its ability to marry a ‘great attention to detail’ with a ‘pragmatic, smart’ approach, the team regularly achieve strategically and commercially successful results, with a particular strength in managing complex multi-jurisdictional matters. The team is jointly chaired by Bertrand Louveaux, a ‘master of his craft’, and Claire Jeffs. A mix of blue-chip manufacturers, tech companies and financial services providers turn to Louveaux for his capabilities on transactional matters and experience before regulatory authorities. Jeffs works on a number of high-profile merger cases before the UK and EU authorities and is noted for her expertise on cartel and behavioural matters. Other notable individuals include Philippe Chappatte, who is highly regarded for his experience in market and antitrust investigations, and Isabel Taylor who is noted for her expertise in state aid and subsidy control. Senior counsel Tina Zhuo has been praised for her ‘excellent analytical abilities’.