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Garry W. O’Donnell


Garry W. O’Donnell is a partner in the Litigation practice group at Greenspoon Marder. He is an experienced civil trial attorney and Florida Bar Board Certified in Business Litigation. He concentrates his practice in the area of civil litigation in state and federal courts, and commercial arbitrations.

He represents individuals and businesses in a broad range of disputes involving real estate, securities, contracts, employment and labor, banking, fair trade, business torts, consumer law, insurance, product liability, technology, intellectual property and tax.

Prior to entering private practice, he served as a law clerk to a federal district court judge elevated to the federal appellate court.

Court Admissions

  • Florida Federal District Courts
  • Ohio Federal District Courts
  • Federal 4th Circuit Court of Appeals
  • Federal 6th Circuit Court of Appeals
  • Federal 11th Circuit Court of Appeals
  • Federal Circuit Court of Appeals
  • U.S. Tax Court
  • U.S. District Court, District of Colorado

Bar Admissions

  • Florida
  • Ohio


  • J.D., University of Dayton School of Law, cum laude
    • Board of Editors, University of Dayton Law Review
  • M.A., University of Dayton
  • B.A., University of Dayton

Professional and Community Involvement

  • Federal Bar Association, Member
  • American Bar Association, Member
  • South Palm Beach County Bar Association, Member and Former Chair of Civil Practice Committee
  • The Florida Bar Fee Arbitration Committee, Member
  • Alumni Board, University of Dayton School of Law, Member
  • Marine Advisory Board, Boca Raton, Florida, Vice Chair
  • Florida Business Litigation Certification Committee, Former Chair, Vice Chair, and Member
  • Seventeenth Circuit Grievance Committee, Former Chair, Vice Chair, and Member
  • Advisory Council, University of Dayton School of Law, Former Vice Chair and Member


  • Florida Bar Meritorious Public Service Certificate 2019
  • The Boca Raton Observer, “Boca Raton’s Expert Lawyers,” 2016


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