William H. Rooney is a partner in Willkie’s litigation department and Chair of the U.S. Antitrust practice group. He has experience in civil and criminal antitrust matters, including cross-border matters, before the antitrust enforcement agencies and the courts. Bill regularly handles mergers, investigations, litigations, and counseling under the United States antitrust law and collaborates with Willkie’s European competition team in cross-border matters.
- The Men’s Wearhouse/Joseph A. Bank
- Hudson’s Bay Co./Saks Fifth Avenue
- Seven Mile Capital Partners/Microporous
- Bloomberg L.P./Bureau of National Affairs (BNA)
- Teva/Cephalon (Europe)
- Teva/Procter & Gamble (Europe –- OTC Joint Venture)
- Teva/Lonza (Europe -- Biosimilar Joint Venture)
- TomTom/Tele Atlas
- GameStop/Electronics Boutique
- CompUSA/Computer City
- Loral/Lockheed Martin
- Mattel/Fisher Price
Investigations and Litigation
- Numerous agency antitrust investigations in the United States and Europe (confidential clients and subject matters)
- In re Modafinil Antitrust Litigation
- Apotex v. Teva Pharmaceuticals et al
- In re Nifedipine Antitrust Litigation
- In re ACR Tube Litigation
- In re Copper Tubing Antitrust Litigation
- Private Equity Antitrust Litigation
- In re Insurance Brokerage Antitrust Litigation
- In re Interchange Fee Antitrust Litigation
- American Express v. Visa USA et al.
- Teva Pharmaceuticals USA, Inc. v. FDA
- Organon Sanofi-Synthelabo LLC v. Aventis Pharmaceuticals, Inc.
- In re Nabumetone Antitrust Litigation
- In re Options Exchanges Antitrust Litigation
- Coalition for Level Playing Field Robinson-Patman Litigation
- Intervest v. Bloomberg
- Toys "R" Us Antitrust Litigation
- Salomon Brothers Antitrust Litigation
Bill serves on the Executive Committee of the Antitrust Section of the New York State Bar Association and regularly contributes to the thought leadership of the bar by organizing and participating in conferences on contemporary antitrust issues. Bill is a former Chair of the Antitrust Section of the NYSBA (2012) and of the Committee on Antitrust and Trade Regulation of the Association of the Bar of the City of New York (2001 - 2004).
Bill is listed in numerous legal publications, including Chambers USA, The International Who's Who of Competition Lawyers & Economists (Global Competition Review 2015), New York Super Lawyers -- Antitrust (Metro Edition 2015), New York Best Lawyers (2015), and LMG Life Sciences (2015). In 2016, he was honored with the William T. Lifland Service Award by the New York State Bar Association’s Antitrust Section in recognition of his contributions and accomplishments in the field. In 2015, Bill was selected to serve on Law360’s Competition Editorial Advisory Board.