Stephen Lewis

Stephen Lewis is a Partner based in the London office of RBB Economics. He has significant experience in merger assessment and abuse of dominance investigations, with a particular emphasis on the technology sector. He joined RBB in 2005 after studying economics at Oxford University and Universitat Pompeu Fabra, Barcelona. He has been included in Who’s Who Legal’s list of Competition Economists since 2019.

Stephen’s experience covers a range of sectors and includes cases that raised novel issues in relation to data, algorithms and innovation. Stephen has advised Google on competition matters for over 15 years, leading the RBB teams on the Google Search (Shopping), Google Android, Google Search (AdSense) and Google Adtech and Data-related practices Article 102 TFEU cases, as well as on many other investigations around the world.

He has advised on a number of ECMR cases including GE/Smiths Aerospace, TUI/First Choice, Google/DoubleClick, Google/Motorola, Zimmer/Biomet, Western Digital/SanDisk and Dow/DuPont, as well as cases before the UK authorities, including Waterstone’s/Ottakar’s, SvitzerWijsmuller/AdSteam Marine, Ticketmaster/LiveNation, Nike/Umbro, Google/BeatThatQuote, AG Barr/Britvic, Google/Waze and LN Gaiety/MCD Productions.

Stephen has also advised clients in a number of litigation and arbitration cases involving both Article 101 and Article 102 disputes. His experience in this area covers the analysis of the competitive effects of agreements between firms and the assessment of allegedly abusive conduct.

His sector experience includes shipping, aerospace, leisure travel, motor vehicle manufacturing, advertising, microprocessors, hard disk drives, medical instruments, FMCGs, retailing, live entertainment, pharmaceuticals, music streaming, mobile ecosystems systems and online search.

Stephen has published articles in Management Science, European Competition Law Review, ABA Antitrust Magazine, the e-Competitions Bulletin and the Information Systems & Economics e-Journal and is a co-author of The Economic Assessment of Mergers under European Competition Law (Cambridge University Press, 2013).