Michael J. Summersgill

Michael J. Summersgill

recognized lawyers icon Recognized in Best Lawyers since 2020
Awarded Practice Areas
Litigation - Intellectual Property Litigation - Patent
Awarded Practice Areas
Litigation - Intellectual Property Litigation - Patent
Works at
Wilmer Cutler Pickering Hale and Dorr LLP

105 Best Lawyers awards

Wilmer Cutler Pickering Hale and Dorr LLP logo

Biography

Michael Summersgill is a first-chair trial lawyer who focuses on high-stakes technology litigation including patent, trade secret and general commercial litigation. He has represented major clients—such as Intel, NVIDIA, Natera, Vertex, Akamai and Quest Diagnostics, among many others—in multiple jurisdictions across the country. He has a long track record of winning cases under the most challenging circumstances and in the toughest jurisdictions—earning recognition, among others, from The National Law Journal as a “Winning Litigator.”
Works at
Wilmer Cutler Pickering Hale and Dorr LLP

105 Best Lawyers awards

Wilmer Cutler Pickering Hale and Dorr LLP logo

Locations

Education

  • Harvard University, J.D., graduated 1996
  • Middlebury College, BA, Political Science, graduated 1992

Bar Admissions

  • Massachusetts, Massachusetts Bar Association

Court Admissions

  • US District Court for the District of Massachusetts
  • US District Court for the Eastern District of Michigan
  • US District Court for the District of Colorado
  • US Court of Appeals for the Federal Circuit
  • US Court of Appeals for the First Circuit
  • US Court of Appeals for the Second Circuit
  • US Court of Appeals for the Third Circuit
  • US Court of Appeals for the Ninth Circuit
  • US Supreme Court

Client Testimonials

Awards & Focus

Recognized in The Best Lawyers in America® 2026 for work in:
  • Litigation - Intellectual Property
  • Litigation - Patent
Additional Areas of Practice:
  • Commercial Litigation
  • Copyright Law
  • Patent Law
  • Trademark Law
Special Focus:
  • Patent

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