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John M. Thomas

John M. Thomas



  • Litigation
  • Product Liability
  • Appellate
  • Automotive Product Liability Litigation

WSG Practice Industries


Michigan, U.S.A.


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.

Bar Admissions

Michigan, 1980

California, 2009



University of Pittsburgh, J.D., magna cum laude
  • Order of the Coif
University of Michigan, B.A.
  • with distinction
Areas of Practice

Appellate | Automotive Product Liability Litigation | Litigation | Product Liability | Appellate and Complex Motion Practice | Class Action Defense | Specialized Litigation & Advanced Motion Practice Team

Professional Career

Significant Accomplishments

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

WSG's members are independent firms and are not affiliated in the joint practice of professional services. Each member exercises its own individual judgments on all client matters.

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