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Antitrust West Coast
May 2024
San Francisco, CA

Elaine Johnston
Partner at Allen & Overy


Elaine is head of Allen & Overy's US antitrust practice and co-head of the global antitrust practice. She handles matters in a wide range of industries, including banking and financial services, pharmaceuticals, healthcare, food products, chemicals, oil and gas, and industrial products. Elaine has been featured in Chambers USA, BTI Client Service All-Stars, PLC Which Lawyer?, The International Who’s Who of Competition Lawyers, Euromoney’s Guide to the World’s Leading Competition and Antitrust Lawyers, and Global Competition Review's Women in Antitrust 2021.

Elaine represents merging parties before the US Department of Justice and the Federal Trade Commission, as well as companies in non-merger investigations. She has handled significant deals for Bridgepoint, BTG, Computershare, EQT, Experian, Fresenius, Imperial Brands, Pacific Equity Partners, TDR, Thomson Reuters, TP ICAP, and WillScot, among others. Elaine is also involved in antitrust litigation, including representing Merz Pharmaceuticals, Experian, and Saudi Aramco. She regularly advises companies on business conduct, including distribution, licensing, patent pools, information exchanges, and benchmarking.

Elaine is the former chair of the antitrust law section of the New York State Bar Association and a member of the American Bar Association antitrust section. She served on the editorial board of the ABA’s Competition Laws Outside the United States, and is a former associate editor of the Antitrust Law Journal and a former member of the antitrust and trade regulation committee of the New York City Bar Association. She is a frequent speaker at antitrust conferences and seminars.

Agenda Sessions

  • Panel Discussion - Is A More Aggressive Era of Federal Enforcement Underway?