Partner, Co-Chair of Healthcare & Life Sciences and Head of US Antitrust
Partner, Co-Chair of Healthcare & Life Sciences and Head of US Antitrust
Leigh Oliver (She/Her)
Leigh Oliver is Co-Chair of the Healthcare & Life Sciences sector group and Head of the US Antitrust practice and specializes in antitrust issues ranging from bet-the-company merger control matters to state and federal antitrust investigations. She has two decades of experience advising clients in heavily scrutinized industries, including healthcare, life sciences, aerospace and defense and industrials. She regularly represents clients before federal and state antitrust agencies and in merger litigation in federal court.
Unilever in its proposed US$45 billion combination with McCormick and Company
Charter Communications, Inc. on its proposed US$34.5 billion merger with Cox Communications, Inc.
United States Cellular Corporation and Telephone and Data Systems, Inc. on the sale of their local wireless operations and select spectrum assets to T-Mobile for US$4.4 billion and the divestiture of other spectrum assets to Verizon, AT&T, and others
A multinational oil and gas company on its agreement with a state-owned oil company in connection with various business combinations in the petrochemical sector, valued at US$60 billion
A multinational technology company as a third party in various cases at the U.S. Federal Trade Commission as well as other regulatory agencies globally
UnitedHealth Group and its subsidiary Optum on various matters, including the successful defense of its acquisition of Change Healthcare which was challenged by U.S. Department of Justice Antitrust Division
Advocate Health on various transactions including the combination of Atrium Health with Wake Forest Baptist Medical Center
Partners Group on various matters, including the acquisition of Middle River Power and a 1.9GW portfolio of power plants, valued at US$2.2 billion
Washington Health System on its acquisition by University of Pittsburgh Medical Center
Amazon as a non-party in the US Federal Trade Commission's challenge to the Microsoft / Activision transaction
Washington Health System on its acquisition by University of Pittsburgh Medical Center
Recordati on transactions to commercialize therapeutics, including with Moderna and Sanofi
Mondelēz International in the sale of its gum business to Perfetti Van Melle
Laboratory Corporation of America with respect to numerous transactions
Alcon in various transactions
Einstein Health Network in its 2020 merger with Thomas Jefferson University
Beaumont Health in its merger with Spectrum Health
Aspirus Inc. in its acquisition of Ascension hospitals in Wisconsin
Penn State Health in its acquisition of Geinsinger’s Holy Spirit Hospital
Atrium and Wake Forest Baptist Medical Center in their combination
UW Health and UnityPoint in their combination of provider and plan businesses
PPG, Inc. in various transactions and matters
Gencorp-Aerojet in its acquisition of Pratt & Whitney Rocketdyne
