Quinn Emanuel Urquhart & Sullivan, LLP

Mike Bonanno is Chair of the firm’s Antitrust Investigations Practice and Co-Chair of the firm’s Antitrust Defense Practice. He is a trial lawyer who represents defendants in antitrust cases and both companies and individuals in government antitrust investigations. He has tried and won high-stakes antitrust cases in federal district courts, and he has extensive experience in antitrust litigation involving two-sided platforms, software, algorithmic pricing, and information exchanges.

Before joining the firm, Mike was a trial attorney in the Antitrust Division of the U.S. Department of Justice. During his time at the Antitrust Division, Mike served as trial counsel in United States v. Bazaarvoice, Inc. and United States v. American Express, held important roles in investigations and civil litigation relating to conduct in the software, telecommunications, and financial services industries, and received the Assistant Attorney General’s Award for Distinguished Service.

Mike has been named Litigator of the Week by The American Lawyer, and he has been recognized as one of Lawdragon’s 500 Leading Litigators in America (Antitrust).  He also has received recognition in Best Lawyers in America (Antitrust: Ones to Watch), Leaders League (Competition Law & Antitrust: Highly Recommended), and Benchmark Litigation (Litigation Star).