Wilmer Cutler Pickering Hale and Dorr LLP

115 Best Lawyers awards

Wilmer Cutler Pickering Hale and Dorr LLP logo

Awarded Practice Areas

Litigation - Antitrust

Biography

For over twenty-five years Chris Casamassima has focused on winning complex business disputes for his clients. Chris has handled cases for defendants and plaintiffs involving breach of contract, business torts, fraud, antitrust, environmental claims, trade secrets and many other commercial issues across a variety of industries. Mr. Casamassima aggressively represents his clients, whether litigating a business-to-business contract dispute or defending a bet-the-company class action, mass tort proceeding or qui tam claim. He has been named by Lawdragon as one of the 500 Leading Litigators in America and one of the 500 Leading Global Antitrust & Competition Lawyers. He has been recognized by Best Lawyers in America and The Legal 500 United States, named a Southern California “Super Lawyer” or “Rising Star” for more than twenty years, and has been listed by the Los Angeles Business Journal as a Leader in Law. In 2015, the Daily Journal named Chris one of the top twenty lawyers under the age of forty in California.
Wilmer Cutler Pickering Hale and Dorr LLP

115 Best Lawyers awards

Wilmer Cutler Pickering Hale and Dorr LLP logo

Overview

  • University of California - Los Angeles, JD, graduated 2000
  • University of California - Los Angeles, JD, graduated 2000

Client Testimonials

Awards & Focus

Recognized in The Best Lawyers in America® 2026 for work in:
  • Litigation - Antitrust

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