Since 2006, Dennis O’Brien has been practicing as a founding parting at O'Brien Law Group, LLC. Mr. O’Brien is dedicated to protecting the rights of the accused in Long Island, New York. Prior to working at the firm, Attorney O’Brien worker as a prosecutor for four years, handling criminal cases from traffic offenses, misdemeanors to serious felony offenses. With former prosecution experience, Dennis is uniquely qualified to defend your charges. He understands both sides of the criminal justice system and he knows how to build a solid and compelling defense case for court. With Long Island criminal defense attorney Dennis O’Brien by your side, your rights can be protected against the prosecution and you can fight to have your charges reduced or dropped altogether. Mr. O’Brien is actively involved in the community and is also a member in several notable Associations including the Board of Directors of the Criminal Courts Bar Association and the Board of Directors of the Criminal Courts Bar Foundation charity.
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Chat withState: New York
Acquired: 2004
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7 High Street, Suite 205, Huntington, NY, 11743
3 Client Reviews
Showing 1 - 3 of 3 reviews
Posted by anonymous | January 31, 2019
The best attorney to have in your corner!
Dennis O'Brien went above and beyond for me. I am more secure now with him in my corner. I would recommend everyone to see him.
Posted by Bill | March 15, 2018 | Hired Attorney | Lawsuits & Disputes
Wonderful Attorney
Dennis O’Brien handled a complicated legal matter for my daughter and we both couldn’t be happier with his diligence, his total competence, his zeal, his compassion and his determination to do the right thing for his client. He kept us well informed at every stage of the representation and took all t...
Posted by Ty | December 03, 2014
Professional Attorney
Dennis O'brien is a well, well above average Lawywer with his endless knowledge of the legal system and ability to execute the best possible outcomes for his clients. As having expierence with him, I would in a moment contact him with any future legal obligations. He is expierenced, smart, friendly ...
"As a former prosecutor, I opposed Dennis on a number of cases and tried a complicated Dwi trial against him. Dennis is one of the most professional and knowledgeable defense attorneys I have encountered. I endorse this lawyer."
"I strongly endorse Dennis O'brien. I have know him for years and have seen his legal work first hand. He is one of the finest legal minds I have ever come across. You will not go wrong hiring him."
"Dennis is an excellent attorney. He is works incredibly hard for all of his clients. He is so knowledgeable that other attorneys frequently call him to ask questions about their case. You will be in terrific hands with Dennis as your attorney."
"I have known Mr. O'Brien for many years and I have had the opportunity to work with him on several criminal cases. His knowledge of the law and trial skills have always impressed me. He is a diligent and conscientious attorney that always fights hard for his clients. I strongly endorse Mr. O'Brien."
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2000 - Present
Adjunct Assistant Professor, St. John's University
1999 - Present
Attorney, O'Brien Law Group, LLC
Member
Member
Member
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JD - Juris Doctor
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MA - Masters
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BA
English