Boris Bronfentrinker




Boris Bronfentrinker is a solicitor advocate and partner in Quinn Emanuel’s London and Brussels offices, heading up the UK competition litigation practice.  He has represented clients, both as claimants and defendants, in leading and high profile competition cases in both the English High Court and the Competition Appeal Tribunal, as well as coordinating competition litigation claims in other jurisdictions globally.  Boris also has experience of representing clients in investigations by the European Commission and the UK national competition authority.
Previously, Boris was a partner at specialist claimant competition litigation firm Hausfeld & Co LLP, prior to which he spent seven years at Freshfields Bruckhaus Deringer’s competition practice, primarily representing defendants.  As a result, Boris has a unique and detailed knowledge and understanding of the strategic considerations and issues faced by claimants and defendants.
Legal 500 UK 2014 describes Boris as having “an amazing work ethic” and “confidence and poise” (2014)  and "smart, knowledgeable and prodigiously hard-working" (2015).  Chambers Global 2015, Europe 2015 and UK 2016 have listed Boris as a Leading Individual in the field of competition law private enforcement.  Whilst SuperLawyers 2014 and 2015 have identified him as a Rising Star in the field of European law.
Boris currently acts for a number of the world’s largest automotive companies in the recovery of damages arising from the auto parts cartels, a client in relation to a potential claim for manipulation of the London Metal Exchange lead price, bedding companies in claims relation to the polyurethane foam cartel, and a client in relation to the defence of potential claims that could arise form the European Commission investigation into the trucking market.    

Contact details


Areas of Practice


Year Qualified



King’s College London (Post graduate diploma in EC Competition law, 2007)
The University of Sydney (Bachelor of Laws, 1st class Honours, 1999)
The University of Sydney (Bachelor of Economics, 1997)


Law Society Competition Section
British Institute of International and Comparative Law
Competition Law Association
American Bar Association, Section of Antitrust Law
Centre for Effective Dispute Resolution (CEDR)