Jack Donson

Partner Emeritus (Retired) Cincinnati
Contact Info


Jack concentrated his practice in the areas of antitrust and franchise law for more than 40 years and was a former chair of the firm’s Antitrust practice. He tried both criminal and civil antitrust suits, and represented clients in numerous antitrust suits and investigations. This litigation experience covered all aspects of the antitrust laws and includes suits brought by the federal government, various state attorneys general, and private plaintiffs.

Jack served as lead counsel in franchise cases throughout the nation, representing both franchisors and franchisees. He also served as counsel for franchisee associations. He counseled businesses with respect to antitrust, marketing, franchise and related matters, and has extensive experience in antitrust and health care.

Jack was past chairman of the Board of Governors of the Antitrust Section of the Ohio State Bar Association and is a former member of both the Forum on Franchising and Antitrust Section of the American Bar Association. He was selected as 2021, 2020, 2017, and 2013 “Lawyer of the Year” in Cincinnati for Antitrust Law by Best Lawyers in America. He is also ranked in Chambers USA and was listed as a Leading Lawyer by Cincy magazine while in active practice. Jack has been admitted to practice in the U.S. 4th, 6th, 10th, and 11th Court of Appeals, the U.S. Supreme Court, and in the state of Ohio.



  • University of Cincinnati College of Law (1971)
  • The Ohio State University

Professional Affiliations

  • American Bar Association

    Former Member, Antitrust Section/Forum on Franchising

  • Cincinnati Bar Association


  • Federal Bar Association

    Former Member

  • Ohio State Bar Association

    Former Member, Board of Governors, Antitrust Section
    Former Chairman