Michael Maddigan

Partner

Michael M. Maddigan is a partner in O'Melveny's Los Angeles office and a member of the Health Care and Life Sciences and Class Actions, Mass Torts, and Aggregated Litigation Practices. He represents established and emerging companies in health care, class action, complex business, insurance and reinsurance, and technology-based litigation. Mike has led the defense of, and helped lead teams of O'Melveny & Myers lawyers in representing, the firm's clients in litigation of national significance.

Mike is national Co-Head of the Firm's Adversarial Department Training Program and speaks regularly before professional organizations on a variety of litigation-related topics.

Illustrative Professional Experience

• Successful defense of several employee benefit companies in In Re Employee Benefits Insurance Brokerage Antitrust Litigation, a Multi-district Litigation proceeding involving antitrust, RICO, and ERISA class actions challenging broker compensation practices in the employee benefits industry. The Firm’s clients obtained dismissal of, or summary judgment on, all of plaintiffs’ claims.
• Represented one of the nation’s largest health insurers in a purported nationwide class action challenging the insurer’s medical policy.
• Represented one of the nation’s largest health insurers in a series of nationwide RICO class actions that were consolidated into a Multi-district Litigation proceeding before the U.S. District Court for the Southern District of Florida. Mike led the Firm's clients' successful defense of plaintiffs' capitation claims, on which the Court granted summary judgment.
• Represented a media company in an action alleging more than US$50 million in damages arising out of a dispute over efforts to syndicate a prime-time television show. Mike succeeded in convincing the trial court to allow the Firm's clients to assert novel counterclaims.
• Represented two global media and technology companies in a trial before the U.S. International Trade Commission, in which his clients alleged that competitors infringed their patents relating to Interactive Program Guide Technology.
• Represented an energy company in a multi-million-dollar dispute arising out of a large software development project, which culminated in the company’s victory in a federal court trial.
• Represented a leading insurance company in a $200 million environmental insurance coverage dispute in which the company obtained summary judgment in its favor.

Professional Activities

Law Clerk, Honorable William D. Keller, U.S. District Court, Central District of California, 1992‑93
Admitted to Practice, U.S. District Court, Central District of California; U.S. Court of Appeals, Third and Ninth Circuits
Member, American Health Lawyers Association; American Bar Association, Health Law Section; Board of Governors of Association of Business Trial Lawyers (Treasurer 2008-09; Secretary 2007-08); Board of Directors, Inner City Law Center; and Los Angeles County Bar Association (Healthcare Law section)
Speeches and Panels, "Class Actions and Complex Case Management"; "What Every Commercial Mediator Should Know About Complex Case And Discovery Management"; "IT Experts: Finding and Protecting the Right One"; "How to Try A Systems Failure Case (Mock Trial)"; "Three Tips for Electronic Discovery"; "PLI Law and Motion Practice Panel"; "Simplifying Your IT Case"