Mary Jane Trapp

Mary Jane Trapp: Attorney with Thrasher, Dinsmore & Dolan A Legal Professional Association AV stamp icon


Experienced trial and appellate advocate focused on complex civil and criminal litigation in state and federal courts; Substantial experience in arbitration and mediation in multiple areas of the law; Served one nine Supreme Court of Ohio commissions, committees, and task forces to develop policy for the bench and bar; Service on Ohio Judicial Conference and College committees, including Ohio Jury Instructions Board of Editors; Administrative law experience before both state and federal agencies; Proven leadership in public policy development and government relations; Author, lecturer, and regular contributor to television, radio, print, and social media outlets.

Former Judge, Ohio Court of Appeals, Eleventh District; Past President, Ohio State Bar Association

American Bar Foundation; Ohio State Bar Foundation

Areas of Practice (11)

  • Trial And Appellate Advocacy
  • Complex Civil And Criminal Matters
  • Business
  • Commercial And Real Estate Litigation
  • General Tort Litigation
  • Wrongful Death
  • Professional Malpractice
  • Employment And Child Custody Litigation
  • Mediation and Arbitration Services
  • Governmental Relations
  • Mediation

Education & Credentials

Contact Information:
855-452-6065  Phone
216-255-5431  Phone
440-285-2242  Phone
216-255-5450  Fax
440-285-9423  Fax
University Attended:
Mount Holyoke College, A.B., cum laude, 1978
Law School Attended:
Case Western Reserve University, J.D., 1981
Year of First Admission:
1981, U.S. District Court, Northern District of Ohio; 2012, U.S. Court of Appeals, Sixth Circuit; 1981, Ohio; 1987, U.S. Supreme Court
Cleveland (Trustee, 1995-1998), Cuyahoga County (Trustee, 1986-1993, 1999-; Treasurer, 1993-1994), Geauga County, Ohio State (President, 2001-2002; Member: District 12 Board of Governors Representative, 1995-1998; Council of Delegates, 1986-2011; Women in the Profession Section Council; Chairman, Judicial Administration and Legal Reform Committee, 1993-1995 and 2007-2009; Trustee, 1995-1999, and Treasurer, 1997-1998, Chair, 1999, Ohio Continuing Legal Education Institute; Eighth Judicial District Life Member Judicial Conference; Membership Committee, National Conference of Bar Presidents, 2001-2003); American Bar Foundation (Member, House of Delegates, 2002-2012)
Birth Information:
Columbus, Ohio, July 6, 1956
Payment Information:
  • Credit cards accepted
  • Accepts Visa, MasterCard, Discover, AmericanExpress and Other - Cash, Check

Peer Reviews

  • 5.0/5.0 (1 review)
  • High ethical standing icon
  • A Martindale-Hubbell Peer Rating reflects a combination of achieving a Very High General Ethical Standards rating and a Legal Ability numerical rating.
  • Legal Knowledge

  • Analytical Capability

  • Judgment

  • Communication

  • Legal Experience


*Peer Reviews provided before April 15, 2008 are not displayed.

Chardon, Ohio

Contact Mary Jane Trapp

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