Michael Keeley is a leading antitrust lawyer with more than 25 years of experience. He has obtained antitrust clearance for large and complex strategic mergers and tried monopolization and patent jury cases. Mike has particular experience in defending litigated merger challenges, including the Antitrust Division’s challenges to SunGard/Comdisco and the sale by Tyson Foods of a poultry processing complex to George’s Foods. Mike’s recent M&A work includes Dell’s US$67 billion acquisition of EMC; Tyson Foods’ acquisitions of Keystone Foods and American Proteins Inc.; Thermo Fisher Scientific’s US$13.6 billion acquisition of Life Technologies and its US$12.5 billion tender offer of QIAGEN; SunGard in its US$9 billion sale to Fidelity National; Tyler Technologies in its acquisition of New World Systems as well as a series of strategic acquisitions for private equity clients.

Mike’s recent litigation matters include defending Momenta Pharmaceuticals in a series of antitrust cases involving patent enforcement; Thales Group in dual patent and ITC litigations; Alvogen in a patent infringement and antitrust litigation regarding Indivior’s opioid dependency treatment drug Suboxone® Film and in the Generic Drugs MDL.

2021 Awards


Winner, 2021 Antitrust Writing Awards: Business, Intellectual Property

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