Jon Dean - McDermott Will & Emery


Jon Dean focuses his practice on complex commercial litigation matters, including patent and trade secrets cases, antitrust actions, class actions, securities matters, unfair competition cases, employment actions, OSHA cases and healthcare matters. Jon is a former prosecutor, and has served as trial counsel on both civil and criminal cases.

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Some of Jon’s noteworthy cases include the following:

  • Trial counsel for the defendant, the leading maker of office headsets, in a $600 million+ antitrust action between direct competitors; the jury deliberated for barely an hour before returning a complete defense verdict in favor of his client (US District Court for the District of Delaware (2017))

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  • Legal 500 US, 2020 to 2022
  • The Best Lawyers in America, Healthcare Law, 2021 to 2023
  • Benchmark Litigation, 2009 to 2020
  • Chambers USA, Litigation: White-Collar Crime & Government Investigations, 2021

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  • McDermott Los Angeles Pro Bono Committee, current chair
  • Western Justice Center, past member of the board of directors
  • Legal Aid Foundation of Los Angeles, past member of the board of directors


University of California – Berkeley School of Law, JD, 1996
University of California – Los Angeles, BA, 1992


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