Photo of John M. Thomas

John M. Thomas Member

Areas of Practice


Bar Admissions

  • Michigan, 1980
  • California, 2009
  • Missouri

Court Admissions

  • U.S. Supreme Court
  • U.S. Court of Appeals, 3rd Circuit
  • U.S. Court of Appeals, 4th Circuit
  • U.S. Court of Appeals, 5th Circuit
  • U.S. Court of Appeals, 6th Circuit
  • U.S. Court of Appeals, 7th Circuit
  • U.S. Court of Appeals, 8th Circuit
  • U.S. Court of Appeals, 9th Circuit
  • U.S. Court of Appeals, 10th Circuit
  • U.S. Court of Appeals, 11th Circuit
  • U.S. District Court, Eastern District of Michigan
  • U.S. District Court, Northern District of California
  • U.S. District Court, Southern District of California
  • U.S. District Court, Central District of California
  • U.S. District Court, Eastern District of California


University of Pittsburgh, J.D., magna cum laude

  • Order of the Coif

University of Michigan, B.A.

  • with distinction

John M. Thomas is a member of Dykema’s Automotive and Products Liability Practice Group and leader of the Firm’s Class Actions Practice. Recognized nationally as a sophisticated class action and appellate practitioner, he has briefed and argued appeals in courts throughout the country including the Supreme Courts of Michigan and Virginia. According to Chambers USA 2021, clients describe Mr. Thomas as “very capable in the consumer class actions space, –  a longtime practitioner in the realm who gets very good results in auto matters." 

Mr. Thomas’ experience in the automotive industry is extensive. For 27 years, he worked in Ford Motor Company's Office of the General Counsel where he supervised much of Ford's most significant appellate, class action and other complex litigation. He developed Ford’s acclaimed Advanced Motions program, designed to influence the long-term development of the common law, particularly product liability law, by integrating legal scholarship and appellate practice with successful trial strategy. The program was instrumental in Corporate Counsel’s selection of Ford’s legal team as the best corporate law department of 2006.

Mr. Thomas was one of the founding members of the Product Liability Advisory Council, and served as its second Chairperson. In addition, since 1985 he has served as a member of the council’s Case Selection Committee.

  • Oom v. The Michaels Companies, Inc. et al., 2017 U.S. Dist. LEXIS 112113 (W.D. Mich. July 19, 2017). Class allegations stricken in putative nationwide class action involving alleged deficiencies in provision of custom framing services.

Memberships & Involvement

  • Product Liability Advisory Council, Co-founder and Chair, 1985-1988; Case Selection Committee, 1985-present,

Named a Nationwide Leading Lawyer in Product Liability: Consumer Class Actions by Chambers USA, 2021

Recognized by The Legal 500 United States for Dispute Resolution - Product Liability, Mass Tort and Class Action: Automotive/Transport (2016-17); Transport: Rail and Road – Litigation (2018)

Named a Michigan Leading Lawyer in the areas of Civil Appellate, Class Action/Mass Tort Defense and Products Liability Defense Law by the Leading Lawyers Network, 2014-2017. Law Bulletin Publishing Company