Slaughter and May

Competition Law Department

London (Firms)
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What the team is known for Widely recognised as a leading competition practice for complex UK and EU law matters. Offers exceptional merger control capabilities, often leading EC merger filings through teams spread across London and Brussels and coordinating wider global regulatory approvals with counsel based in relevant jurisdictions. Defends favourable EC merger control decisions against appeals brought to the CJEU by competitors. Handles behavioural investigations for major clients, with further notable experience acting on abuse of dominance investigations and standalone claims brought in the UK courts. Has a superb caseload of follow-on damages proceedings, defending claims filed against various international clients. Also maintains a strong state aid practice.

Strengths Clients enthuse that the team is "just about perfect - they work really hard behind the scenes, minimising the difficulty we have in-house by getting through a tremendous amount of thinking and analysis."

Work highlights Represented J.P. Morgan in global investigations relating to attempts to manipulate foreign exchange rates.

Notable practitioners

Clients enthuse that
Bertrand Louveaux
is "one of the very best antitrust lawyers in the world" and "never lets us down."


Camilla Sanger
represents key clients in sophisticated multi-jurisdictional disputes. She handles a range of antitrust cases including follow-on damages claims.


Claire Jeffs
offers clients market-leading expertise in complex global merger filings. She also advises on regulatory investigations for household-name clients across the tech, telecoms and transport sectors.


Elizabeth Jordan
joined the firm from Linklaters in early 2020. She handles competition litigation on behalf of a series of prominent corporates and financial institutions.


Isabel Taylor
is praised by sources as an "impressive lawyer." She assists clients with a wide range of competition mandates, including market investigations and state aid.

Global leader of the competition group
Philippe Chappatte
takes responsibility for a vast array of cases, including substantial international merger filings. He is described by appreciative clients as "simply outstanding."


Richard Swallow
advises on a range of competition litigation cases, with a prominent role representing clients in defence of regulatory investigations and follow-on damages claims.