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Mark Jon O'Brien

Mark Jon O'Brien

  • Criminal Law, DUI & DWI
  • Florida, Massachusetts
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Claimed Lawyer Profile

We are criminal defense attorneys. We do not handle personal injury cases or family law cases or business disputes. We represent the accused. We have physical offices in Tampa, Florida and Orlando, Florida but we practice throughout the State of Florida, in every county, big or small. We also defend those in need of our help all throughout the country. We have a track record of success. We have won jury trials, motions to suppress, motions to dismiss, direct appeals and post-conviction motions. We have represented professional athletes, Olympic athletes, entertainment figures, doctors, lawyers, accountants, members of our country’s armed forces, South American cartel members and first time offenders.

Practice Areas
  • Criminal Law
  • DUI & DWI
  • Free Consultation
  • Credit Cards Accepted
Jurisdictions Admitted to Practice
1st Circuit
11th Circuit
U.S. Supreme Court
Professional Associations
Florida State Bar # 160210
- Current
Websites & Blogs
Contact & Map
South Florida Office
515 North Flagler Drive
Suite P-300
West Palm Beach, FL 33401
Toll-Free: (888) 962-7436
Orlando Office
121 South Orange Avenue
Suite 1500
Orlando , FL 32801
Telephone: (407) 808-6750
Tampa Office
511 West Bay Street
Suite 330
Tampa, FL 33606
Telephone: (813) 228-6989