O'Brien Law Firm
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O'Brien Law Firm
Learn about our areas of expertise involving state crimes and better understand your rights. If you have been arrested or are under investigation for any type of criminal offense on a state or federal level, you need an attorney who will provide you with aggressive and personalized legal counsel.

Georgia law enforcement and prosecutors are ready to put you behind bars; make sure that you counter their efforts with the help of a criminal lawyer who understands the ins and outs of both sides of criminal proceedings.Dennis O'Brien is an experienced trial attorney with a past that allows unique insight into the world of criminal justice.
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Learn about our areas of expertise involving state crimes and better understand your rights. Dennis O'Brien is from Dublin, Georgia and earned his undergraduate degree from the University of Georgia. During college, Dennis was in the Georgia Army National Guard as a medic with the 48th Brigade, and was called to active duty during Operation Desert Shield/Storm.
Learn about our areas of expertise involving state crimes and better understand your rights. In Georgia, crimes fall into one of two categories: felonies, where the penalties start at a minimum of one year imprisonment and misdemeanors where the maximum penalty is 12 months in jail. Several different types of felony convictions require a mandatory minimum term of imprisonment.
Learn about our areas of expertise involving state crimes and better understand your rights. The federal justice system is different from the state justice system in many different ways. One major difference is the federal system has eliminated parole. Additionally, the federal government has the luxury of turning over the weaker cases to the state for prosecution.
In the State of Georgia, drug offenses are taken very seriously. Much like other charges in Georgia, the State has very harsh penalties for those who are convicted of a drug crime depending on the drug that you are charged with having and how much of that drug you have. Convictions almost always include a jail sentence or a probation sentence, as well as a driver's license suspension.
Driving under the Influence, is one of the most common crimes that individuals commit in the State of Georgia. Most people associate DUI's with the consumption of alcohol, but this is not always the case, as a person can be charged with driving intoxicated while under a number of different substances from marijuana to prescription medication.
Reviews (8)
Joshua Lowther
Joshua Lowther
Aug 22, 2020
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Dennis is an excellent criminal-defense attorney. He's a military and police veteran who has taken the tenacity and experience that he acquired in those roles and combined them with an unsurpassed knowledge of federal and state criminal law and procedure to be one of the premier criminal-defense attorneys in Georgia. Dennis and I have consulted each other concerning many federal criminal matters over the past several years, and each of those experiences have been not only positive, but outstanding. I highly recommend Dennis to any person who needs an experienced, knowledgeable, and aggressive criminal
Brianna Boyd
Brianna Boyd
Sep 02, 2019
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Attorney O’Brien is awesome. He’s very funny but also intelligent and thorough. He advised me well, kept me informed, made the process I was going through very easy, and I came out of the courtroom with the outcome I wanted. I highly recommend him.
Tiffany D.
Tiffany D.
Jan 10, 2019
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Affordable, works with you, and done a wonderful job with my case. Thanks so much for everything.
Ana Mores
Ana Mores
Dec 22, 2018
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He is truly a superb lawyer in Savannah GA. Very thankful with Lawyerup service. I highly recommend Dennis O'Brien to others
Connor Vaughan
Connor Vaughan
Nov 18, 2017
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He was incredibly responsive and thorough. Thank you so much, Dennis, for your hard work and effort! Everything went smoothly and easily! I would not hesitate to recommend you to anyone here in Savannah.
Halley Acosta
Halley Acosta
Jan 03, 2017
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I'm very grateful to have hired Dennis O'Brien as my lawyer. He is highly knowledgeable and amazingly helpful. He really did an exceptional job. Thank you so much, Dennis!
Kennedy Emerick
Kennedy Emerick
Aug 31, 2016
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A compassionate and trustworthy lawyer. I am very happy with the outcome of my case. Dennis O'Brien went above and beyond our expectations. He was always available to us, and kept us updated with the entire process. I will definitely call him again if I need legal help.
Tammy Michelle Rowe Waller Moo Moo
Tammy Michelle Rowe Waller Moo Moo
Jul 14, 2016
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Love, love, love this lawyer already. From day one he has shown nothing but compassion, honesty and straight up tells you what he thinks about the situation. He doesn't try to Suger coat anything. Very nice man. I believe I have found me a good lawyer.