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Sean C. O’Halloran has lived in Fort Myers since 1973. He received his undergraduate degree from Florida State University in 1996 and graduated from Florida Coastal School of Law in 1999. After being admitted to the state bar, he worked at the State Attorney's Office prosecuting misdemeanor and felony cases. Mr. O’Halloran then spent time as a felony prosecutor in Fort Myers at the State Attorney's Office, trying cases including murder trials, firearm-related offenses, drug violations, robberies, and aggravated battery allegations. He and his legal partner Attorney Peter D. Aiken formed their joint practice, Aiken & O'Halloran, in 2003.
Practice areas
ALL we do is Criminal Defense. I handle cases involving DUI/DWI (and other driving offenses), federal and white collar crimes, theft crimes, juvenile crimes, drug crimes, sex crimes, violent crimes, probation violations, and habitual offender situations.
22 years, 5,000 cases
22 years
22 years
Languages spoken
English, Spanish
Aiken & O'Halloran
2257 Cleveland Avenue
Fort Myers, FL, 33901
Aiken & O'Halloran
214 Wood Street
Punta Gorda, FL, 33950
Aiken & O'Halloran
2060 Ringling Blvd.
Sarasota, FL, 34237
State | Status | Acquired | Updated |
---|---|---|---|
FL | Member in Good Standing | 2000 | 03/13/2022 |
Legal answers | 0 |
Legal guides | 0 |
Award name | Grantor | Date Granted |
---|---|---|
AV Preeminent 5.0 out of 5 Peer Review Rated | Martindale-Hubbell | 2019 |
Top Lawyer | Who's Who Legal | 2016 |
Top 100 Trial Lawyers | National Trial Lawyers | 2015 |
Top 100 Trial Lawyers | National Trial Lawyers | 2014 |
Title | Company name | Duration |
---|---|---|
Panel Attorney | International Union of Police Associations | 2012 - Present |
Partner | Aiken & O'Halloran | 2002 - Present |
Prosecutor | State Attorney's Office | 2001 - 2002 |
Prosecutor | State Attorney's Office, Charlotte County, Misdemeanor Division | 2000 - 2003 |
Association name | Position name | Duration |
---|---|---|
U.S. District Court, Middle District | Member | 2005 - Present |
Lee County Bar Association | Member | 2000 - Present |
Florida Association of Criminal Defense Lawyers | Member | 2007 - 2010 |
Inns of Court | Member | 2001 - 2002 |
Charlotte County Bar Association | Member | 2000 - 2010 |
Student Bar Association | President | 1996 - 1998 |
School name | Degree | Graduated |
---|---|---|
Florida Coastal School of Law | JD - Juris Doctor | 1999 |
Conference name | Title | Date |
---|---|---|
Florida Association for Women Lawyers | Human Trafficking | 2012 |
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Rita Jackman, Criminal defense Attorney on Aug 25, 2017
Relationship: Fellow lawyer in community
I endorse this lawyer.
Mark Smith, Criminal defense Attorney on Sep 15, 2015
Relationship: Fellow lawyer in community
My partner Domenic Valentine and I have referred many criminal cases to Sean and have never had a referral say anything but good things about his representation. I cannot recommend him highly enough.
Rita Jackman, Criminal defense Attorney on Aug 25, 2017
Relationship: Fellow lawyer in community
I endorse this lawyer.
Mark Smith, Criminal defense Attorney on Sep 15, 2015
Relationship: Fellow lawyer in community
My partner Domenic Valentine and I have referred many criminal cases to Sean and have never had a referral say anything but good things about his representation. I cannot recommend him highly enough.
Joe Mitchell, Criminal defense Attorney on Mar 17, 2015
Relationship: Worked together on matter
I endorse this lawyer. He was very helpful in advising me on an issue in his jurisdiction and really knows his way around the criminal justice system.
Domenic Valentine, Criminal defense Attorney on Mar 31, 2014
Relationship: Fellow lawyer in community
I practice in the area of personal injury. I refer all criminal cases to Sean O’Halloran because I am confident that he will always represent the client with the utmost professionalism and competence.
Sean Ellis, Criminal defense Attorney on Feb 7, 2014
Relationship: Fellow lawyer in community
Sean is a highly capable attorney. His strength of his local reputation is matched by that of his legal knowledge and skills.
Carlos Cavenago, Criminal defense Attorney on Oct 28, 2013
Relationship: Fellow lawyer in community
I endorse this lawyer.Sean is a man of his word and integrity. He is professional and well qualified to handle all sorts of criminal matters.
Thomas Kiesel, Criminal defense Attorney on Oct 28, 2013
Relationship: Fellow lawyer in community
I have referred numerous clients with criminal matters to Sean O'Halloran, and have had excellent results. All of my business and real estate clients, who I have referred reported back thanking us for the referral confirming that he was successful in their defense. Having known Sean O'Halloran for many years, and further having referred numerous clients to his office for representation in criminal matters, I have nothing but the most confidence in his legal abilities. Further, he is an outstanding member of the community, and well regarded by everyone who has spoken with.
Gregory May, Criminal defense Attorney on Oct 28, 2013
Relationship: Fellow lawyer in community
Sean is a strong advocate with significant experience in the court room. With his former experience as a state prosecutor, he has the knowledge and ability to negotiate reduced charges and shortened sentences, but he is always ready for trial. I endorse this lawyer.
Peter Aiken, Criminal defense Attorney on Oct 25, 2013
Relationship: Co-worker
I endorse this lawyer. I have practiced criminal law with Sean O'Halloran for over ten years. I have tried complex criminal trials with him as co-counsel and have observed him in and out of the courtroom interacting with judges, clients and opposing counsel. He is highly competent, a true gentleman and an asset to the profession. I would and do trust him to represent clients where the stakes are huge and the pressure intense. He is a true gentleman, in and out of the courtroom and a first rate lawyer.
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