FEDERAL AND STATE CRIMINAL DEFENSE ATTORNEYS
O'Brien Hatfield, PA GET YOUR FREE CASE REVIEW GET YOUR FREE CASE REVIEW
TAMPA (813) 228-6989 • ORLANDO (407) 808-6750 • en Español (813) 390-2494
Mark J. O'Brien's cases have been featured in:
The New York Times | The Miami Herald | Bay News 9 | abc 7 | The Boston Globe | USA Today | Tampa Bay Times | FOX News Channel | The Washington Post | abc Good Morning America | Chicago Tribune | NT News Talk Florida | St. Petersburg Times | Deadspin
“Mark, thank you for everything. I will forever be indebted to you. You have stood by me and believed in me when it was not the popular thing to do. You are an amazing advocate.”
- Adam Filthaut
  • Former Partner at the Law Firm of Adams and Diaco (Robert Adams and Stephen Diaco)
  • MJ (Todd Schnitt) Morning Show/Bubba the Love Sponge Clem Trial
  • Attorney Phil Campbell DUI Setup/Florida Bar Trial
More Testimonials
American Association for Justice National Association of Criminal Defense Lawyers | NACDL 1958 Florida Association of Criminal Defense Lawyers | FACDL AVVO | See Reviews g+ | See Reviews Super Lawyers LC | Lead Counsel Rated