Mark J. O'Brien

Attorney Profile

Top Rated White Collar Crimes Attorney in Tampa, FL

O'Brien Hatfield, P.A.
 | 511 West Bay Street, Suite 330
Tampa, FL 33606
Phone: 813-228-6988
Selected to Super Lawyers: 2016 - 2017
Licensed Since: 1998
Practice Areas:
  • Criminal Defense: White Collar,
  • Criminal Defense (0%)
Languages Spoken:
  • English,
  • Spanish
Attorney Profile

Mark J. O'Brien is the founding partner of O'Brien Hatfield, PA, located in Tampa, Florida. Representing clients throughout the state, he focuses his practice exclusively on criminal defense matters at the state and federal levels, including white collar crimes, drug offenses, securities fraud, sex offenses, mortgage fraud and criminal appeals.

Mr. O'Brien pursued his undergraduate education at Siena College and received a Bachelor of Arts in English literature in 1995. After graduating from Delaware Law School and being awarded his Juris Doctor in 1998, Mr. O'Brien was one of only 44 applicants out of 4,000 who were hired to work as prosecutors for the Miami-Dade Office of the State Attorney, 11th Judicial Circuit. His three years in the office's felony division helped him to hone his skills as a trial lawyer as he tried numerous cases through to verdict.

Mr. O'Brien is admitted to practice law before all of the state courts of both Florida and Massachusetts. He is also admitted to practice before the U.S. District Courts for the Southern, Middle and Northern Districts of Florida, the U.S. District Court for the Western District of Texas, the U.S. District Court for the District of Massachusetts, the U.S. Courts of Appeal for the 1st and 11th Circuits, and the Supreme Court of the United States.

Highly regarded by his fellow professionals, Mr. O'Brien has received a "Superb" peer review rating through Avvo. He is an active participant in numerous legal organizations, including the National Association of Criminal Defense Lawyers, the Florida Justice Association, the Florida Association of Criminal Defense Lawyers and the Federal Bar Association.

 
Practice Areas
Lawyer Practice Area Pie Chart

Criminal Defense: White Collar (100%): White Collar Crime, Criminal Law - Federal

Criminal Defense (0%): Criminal Fraud, Criminal Law, Drug & Alcohol Violations, Felony, Sex Offenses, Tax Evasion, Theft

Focus Areas

Criminal Defense: White Collar: White Collar Crime, Criminal Law - Federal

Criminal Defense: Criminal Fraud, Criminal Law, Drug & Alcohol Violations, Felony, Sex Offenses, Tax Evasion, Theft

Selections

Selected to Super Lawyers for 2 yearsbottom-image

Super Lawyers: 2016 - 2017

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About Mark O'Brien

Admitted 1998, Florida

Professional Webpage: http://www.markjobrien.com/Attorneys-Biographies/Mark-J-O-br...

Honors and Awards:

  • Top 100 Trial Lawyers, National Trial Lawyers
  • Top 40 Under 40, The National Trial Lawyers

Bar/Professional Activity:

  • American Bar Association, 1999 - Present
  • National Association of Criminal Defense Lawyers, Member, 2003 - Present
  • Academy of Florida Trial Lawyers, 2004 - Present
  • Florida Association of Criminal Defense Lawyers, Member, 2004 - Present
  • National Trial Lawyers Association, 2012 - Present
  • United States District Court for the Southern District of Mississippi, pro hac vice
  • United States District Court for the Southern District of West Virginia, pro hac vice
  • United States District Court for the Eastern District of Kentucky, pro hac vice
  • Federal Bar Association, Member
  • Florida Bar Association, Member
  • American Association for Justice, Member
  • U.S. District Court Western District of Texas, 2015
  • Supreme Court of the United States of America, 2010
  • U.S. Court of Appeals 11th Circuit, 2003
  • U.S. Court of Appeals 1st Circuit, 2002
  • U.S. District Court District of Massachusetts, 2003
  • U.S. District Court Southern District of Florida, 2013
  • U.S. District Court Northern District of Florida, 2008
  • U.S. District Court Middle District of Florida, 2002
  • Massachusetts, 1998
  • Florida, 1998

Scholarly Lectures and Writings:

  • Lecturer, Trial Advocacy Skills, Intensive Trial Advocacy Program (ITAP)
  • "Strategies For Defending Identity Theft Cases", Aspatore, 2012

Verdicts and Settlements:

  • Represented Bubba "The Love Sponge" Clem in the Hulk Hogan v. Gawker Civil Defamation Trial, 2016
  • State of Florida v. Jerramy Stevens - Case Number 1 (former Tampa Bay Buccaneer NFL Player) 2011
  • State of Florida v. Jerramy Stevens - Case Number 3 (former Tampa Bay Buccaneer NFL Player) 2011
  • State of Florida v. Jerramy Stevens - Case Number 2 (former Tampa Bay Buccaneer NFL player) 2010
  • State of Florida v. Mary Lynn Vu (Plant High School teacher accused of having sex with her student) 2009
  • United States v. Senad Djedovik (infamous Norwegian Cruse Lines employee) 2012
  • State of Florida v. Matthew Buendia (former United States Marine charged with shooting a police officer) 2010-2016
  • State of Florida v. Rougned Odor (current Texas Ranger MLB player) 2010
  • United States v. Robert Blango (notorious Fort Myers bank robber) 2005-2006
  • United States v. Rashia Wilson (IRS fraud) 2012-2103
  • United States v. John Wilson (former Washington Redskin NFL player) 2012
  • United States v. Jeanette Hevel (former Tampa Police Department Captain) 2014-2015
  • The Florida Bar v. Adam Filthaut (prominent trial attorney accused of DUI setup in Bubba/MJ trial) 2013-2016

Educational Background:

  • Siena College, B.A., Bachelor of Arts, Major: English Literature, 1995
Office Location for Mark J. O'Brien

511 West Bay Street
Suite 330
Tampa, FL 33606

Phone: 813-228-6988

 

Mark J. O'Brien:

Last Updated: 2/16/2017

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