Gregory A. Harrison


Greg Harrison is a Partner in the Litigation Department and a member of the firm's Board of Directors. First as a trial attorney with the United States Department of Justice, Commercial Litigation Branch (1985-89) and since joining the firm in 1989, Greg has been extensively involved in the litigation of complex commercial litigation. His practice includes litigation of antitrust, insurance coverage, product liability, trade secret, and other financial disputes. Having handled cases in more than 25 states, he serves as national coordinating counsel in insurance coverage and product liability matters. He also has significant experience with electronic discovery, computer technology, and litigation management and support.


  • University of Dayton School of Law  (J.D., magna cum laude, 1985)
  • Bowling Green State University  (B.S., 1982)
    • Business Administration

Bar Admissions

  • Ohio

Court Admissions

  • U.S. Supreme Court
  • Sixth Circuit Court of Appeals
  • Fourth Circuit Court of Appeals
  • U.S. Court of Federal Claims
  • Southern District of Ohio
  • Northern District of Ohio


  • American Bar Association
  • Ohio State Bar Association
  • Cincinnati Bar Association (Grievance Committee)
  • Defense Research Institute
  • Ohio Association of Civil Trial Attorneys
  • University of Dayton School of Law Dean's Advisory Council


  • Peer Review Rated AV in Martindale-Hubbell
  • Named “Lawyer of the Year” in Cincinnati for Insurance Law by The Best Lawyers in America©, 2012
  • Listed in The Best Lawyers in America© for Commercial Litigation and Insurance Law 
  • Selected for the Ohio Super Lawyers® List
  • AM Best's Recommended Insurance Attorneys since 2007
  • Editor-in-Chief, University of Dayton Law Review, 1984-85
  • Dean's Award for Legal-Writing Excellence, University of Dayton School of Law, 1984