Ernest J. Marquart


Ernie's practice focuses on business litigation. He has extensive experience representing public and private companies, partnerships, and individuals in state and federal courts at both the trial and appellate levels. He also has represented clients before the American Arbitration Association, governmental agencies, and in administrative proceedings. Ernie has regularly represented clients in a variety of cases involving commercial contracts; construction projects; real estate, health care management, and franchise matters; securities and shareholder disputes; and transportation, environmental, and intellectual property issues. He also has substantial experience representing creditors in federal bankruptcy courts.

Ernie served on the firm's Management Committee from 2004 through 2011 and was the Managing Partner of the Tampa office from 2009 to 2011. He was head of the Tampa office Litigation Department and co-chair of the Litigation Department firm-wide from 2001 to 2003 and was a member of the firm's Professional Development Committee from 1993 to 2000.

  • Represented the owner of a high rise office tower against a major investor’s excessive claims to profits from the sale of the building.
  • Defended a national retailer against a competitor’s efforts to limit its operations at more than eighty locations in five states.
  • Defended a global architecture firm against a hospital owner’s delay claims and simultaneously pursuing design claims against other project professionals.
  • Defended a nationwide pharmacy operator against contract and tort claims following termination of a vendor’s supply contract.