Michael L. "Mike" Keeley

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 Take-Two’s US$12.7B acquisition of Zynga; Dell Technologies’ US$4 billion sale of Boomi to TPG and Francisco Partners; Tyler Technologies’ US$2.3 billion acquisition of NIC Inc.; Tyson Foods’ acquisition of American Proteins; Tyson Foods acquisition of Keystone Foods from Marfrig; Tyson Foods’ acquisition of Smart Chicken; Dell’s US$67 billion acquisition of EMC; Interactive Data Corporation’s US$5 billion acquisition by Intercontinental Exchange Inc.; Thermo Fisher Scientific's US$13.6 billion acquisition of Life Technologies and its US$12.5 billion tender offer of QIAGEN.

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