More Than 93.1% of Our DUI Cases Have Resulted in No Conviction Over the Past 13 Years
More than 15 years of experience challenging the Supreme Court in DUI cases.
DUI Attorneys in Gwinnett County Georgia
Do You Need Legal Help?
Greg Willis has been successful at defending DUI cases (over 93.1% without a conviction)
He's the only lawyer in the State of Georgia to ever be recognized for all three of these accomplishments.
1.
2.
3.
![]()
"Attorney Greg Willis is someone I am truly thankful to have had in my corner during one of my most stressful times. He goes above and beyond and has your best interest at heart. I couldn’t recommend him more to anyone in need of someone to represent them as they deal with a DUI."
- Juan Castilla
Read More Client Reviews
Atlanta Criminal Trial Attorney Greg Willis Testifying in front of the Georgia House of Representatives

2025 Atlanta's Best - Defense Law Firm

BadAss Attorney

Best Lawyers In America

10 Consecutive Years Selected to Super Lawyers

AV Preeminent

AVVO Client's Choice

Best Lawyers Best Law Firms
DUI Attorneys in Gwinnett County Georgia
Call (404) 800-0025 to Request Your Free Case Review
If you have found your way to this page, it is likely because you are facing a DUI charge in Gwinnett County, Georgia. At Willis Law Firm, we understand that you might be feeling overwhelmed and worried about your future. Facing a DUI arrest can be a daunting experience, and we want to assure you that we are here to provide the support and legal guidance you need. Our goal is to help you navigate this challenging time and pursue the best possible outcome for your case.Understanding DUI Penalties in Gwinnett County
If you are charged with a DUI in Gwinnett County, the penalties you face can vary depending on whether it is your first, second, or third offense. Each offense carries its own set of consequences that can impact your freedom, finances, and driving privileges.First Offense DUI Penalties
For a first DUI offense in Gwinnett County, the legal system may impose a range of penalties. You could be sentenced to jail time for up to one year. Additionally, a fine ranging from a minimum of $300 to as much as $1,000 may be imposed. Your driver’s license could be suspended for up to one year, and you will be required to complete at least 40 hours of community service. To have your license reinstated, you will need to pay a $210 fee.Second Offense DUI Penalties
Third Offense DUI Penalties
A third DUI offense within five years of the second conviction brings the most serious consequences. You will face a minimum of 15 days in jail, with fines ranging from $1,000 to $5,000. Your license will be revoked for five years, and you will be required to complete a minimum of 30 days of community service. Your name, photo, and address will be published in the local newspaper at your expense. Additionally, you will be declared a habitual violator, and the license plate of your vehicle will be seized, with the vehicle’s registration sent to the court and forwarded to the Department of Motor Vehicle Safety. You will also need to undergo a clinical evaluation and complete a substance abuse treatment program if required, at your own expense.How Willis Law Firm Can Assist You
At Willis Law Firm, our team of DUI attorneys in Gwinnett County, Georgia, is dedicated to helping you through this difficult process. We are committed to understanding your unique situation and working tirelessly to achieve the best possible results for your case. We will guide you through every step of the legal process, from understanding the charges against you to presenting a strong defense in court.Understanding DUI Defenses in Gwinnett County
A DUI charge in Gwinnett County is not automatically a conviction. There are a number of defenses an experienced attorney can explore depending on the facts of your arrest. Here are the most common: Challenging the Legality of the Traffic Stop Under the Fourth Amendment, law enforcement must have reasonable suspicion to pull you over. If the stop lacked a lawful basis, any evidence obtained — including breath or blood test results and field sobriety test performance — may be suppressed entirely. Questioning Probable Cause for the Arrest Even if the stop was valid, officers must have probable cause to believe you were impaired before making a DUI arrest. If that standard was not met, the arrest itself may be challengeable and evidence gathered during it may be excluded. Challenging DUI Checkpoints If you were stopped at a DUI roadblock or checkpoint, we will review whether it was established and operated according to Georgia’s legal requirements. Improperly conducted checkpoints can result in suppression of all evidence gathered there. Contesting Breathalyzer Results Breathalyzer devices must be properly calibrated, maintained, and operated according to strict protocols. Errors in calibration records, maintenance logs, or test administration can render results unreliable or inadmissible. Medical conditions such as acid reflux, diabetes, and certain medications can also produce false readings. Challenging Blood and Urine Test Results Blood and urine tests are subject to strict chain of custody requirements. Improper storage, contamination, fermentation of a blood sample, or lab errors can all provide grounds to challenge the results. Contesting Field Sobriety Tests Field sobriety tests are highly subjective and must be administered according to standardized NHTSA protocols. Physical conditions, uneven road surfaces, weather, footwear, and medical conditions can all affect performance in ways that have nothing to do with impairment. Introducing Alternate Explanations for Observed Symptoms Slurred speech, bloodshot eyes, and unsteady gait are not exclusively signs of intoxication. Fatigue, allergies, neurological conditions, and certain medications can produce the same observable symptoms and provide a legitimate explanation for the officer’s observations. Miranda Rights Violations If you were subjected to custodial interrogation without being properly advised of your Miranda rights, any statements you made may be excluded from evidence — significantly weakening the prosecution’s case. Rising BAC Defense Alcohol continues to absorb into the bloodstream after consumption. If significant time passed between when you were driving and when the test was administered, your BAC at the time of driving may have been lower than the test result suggests.Why Choose the DUI Lawyer at Willis Law Firm?
- Secured a landmark victory in the Supreme Court, ruling DUI law unconstitutional
- 20+ Years of Experience in DUI Defense
- Incredible Track Record Compared to Other Georgia DUI Firms
- 93.1% success rate in DUI Cases in the Last 5 Years
- Maintain 10.0 “Super” Avvo Ratings for Experience and Skill
- Received AV Preeminent® Rating by Martindale-Hubbell® for Ability & Ethics
- Named in Best Lawyers® Best Law Firm list by U.S. News & World Report
Locations Served
Featured Videos
Appellate Court Process – September 2023
Playing by the Rules of Science: Field Sobriety Under Daubert – With Dr. Spurgeon Cole – September 2023
Why Choosing Experienced DUI Attorneys in Gwinnett County, Georgia is Crucial
If you have been arrested for a DUI in Gwinnett County, Georgia, it is essential to have a knowledgeable team of DUI attorneys on your side. At Willis Law Firm, we understand the gravity of DUI charges and are here to provide you with the defense you need to navigate these serious allegations.Gwinnett County DUI Courts — What to Expect
Knowing where your case will be heard and what to expect from that court is an important part of building your defense. DUI cases in Gwinnett County are typically handled in one of the following courts depending on where the arrest occurred: Gwinnett County State Court Most misdemeanor DUI arrests in unincorporated Gwinnett County are prosecuted in Gwinnett County State Court, located at 75 Langley Drive in Lawrenceville. This court handles the majority of DUI cases in the county and has its own prosecutors and procedures that an experienced local attorney will know well. Municipal Courts If your arrest occurred within an incorporated city, your case may be heard in that city’s municipal court. Gwinnett County has numerous municipal courts including those in Lawrenceville, Duluth, Norcross, Peachtree Corners, Suwanee, Buford, Lilburn, Snellville, and Sugar Hill. Each municipal court operates somewhat differently, and local knowledge of prosecutors and judges in each jurisdiction can make a meaningful difference in how your case is handled. Gwinnett County Superior Court Felony DUI charges — including fourth or subsequent DUI offenses and DUI cases involving serious injury or death — are handled in Gwinnett County Superior Court. These cases carry significantly higher stakes and require an attorney with felony trial experience. At Willis Law Firm, our attorneys have extensive experience handling DUI cases across all of Gwinnett County’s courts. We understand the local prosecutors, the judges, and the procedures — and we use that knowledge to your advantage from day one.The Serious Consequences of a DUI Conviction
A DUI conviction can lead to severe penalties, including substantial fines, jail time, a permanent criminal record, and a suspended driver’s license. These consequences can impact many aspects of your life, from employment to personal freedom. At Willis Law Firm, we offer free consultations to discuss your case and determine the best strategy for a favorable outcome. Our experienced DUI attorneys in Gwinnett County, Georgia, are committed to guiding you through both court and administrative proceedings. We are here to help you understand your options and work towards the most positive resolution possible.What to Do Immediately After a DUI Arrest in Gwinnett County
The decisions you make in the hours and days following a DUI arrest in Gwinnett County can significantly affect the outcome of your case. Here is what you should do:- Do not make statements to law enforcement. You have the right to remain silent beyond providing basic identifying information. Politely decline to answer questions until you have spoken with an attorney. Statements made at the scene are regularly used against defendants in court.
- Write down everything you remember. As soon as you are able, document the details — why you were pulled over, what the officer said, how tests were administered, whether you were read your Miranda rights, and the approximate times of everything. These details matter and memory fades quickly.
- Act on your license quickly. After a DUI arrest in Georgia, you have a very limited window to request an administrative license suspension hearing with the Georgia Department of Driver Services (DDS). Missing this deadline results in automatic suspension with no ability to contest it. This is one of the first things your attorney should address.
- Do not post about the arrest on social media. Anything you share online can be discovered and used as evidence. Keep the matter entirely off all platforms until your case is fully resolved.
- Contact a Gwinnett County DUI attorney as soon as possible. DUI cases are time-sensitive on multiple fronts — preservation of dashcam and bodycam footage, availability of witnesses, and administrative license deadlines. The earlier an attorney is involved, the more options you have.
Related Blogs
View more blogsMistakes to Avoid After a DUI Arrest in Gwinnett County, GA
Understanding the Consequences of Speaking Without Representation
Getting arrested for a DUI in Gwinnett County, Georgia, can be a daunting experience. One major mistake people often make is speaking to law enforcement without having a lawyer present. While it may seem like cooperating fully will help your case, anything you say during this time can be used against you in court. To protect your rights and avoid self-incrimination, it is essential to remain silent until you have consulted with a DUI attorney in Gwinnett County Georgia. Your lawyer will guide you on how to proceed without jeopardizing your defense.The Importance of Meeting Legal Responsibilities
Another critical mistake is neglecting your legal responsibilities. Following a DUI arrest, there are numerous deadlines and court dates you must adhere to. Missing these deadlines or failing to attend required hearings can lead to additional penalties or a more severe outcome. The legal process for DUI cases is intricate, and staying organized is crucial to ensuring that your case progresses smoothly. By keeping track of all legal obligations and acting promptly, you can prevent further complications and demonstrate your commitment to resolving the matter.Why Immediate Legal Advice is Crucial
Many individuals believe they can manage their DUI case on their own, especially if they feel guilty or believe they were in the wrong. However, DUI laws are complex, and navigating them without professional help can be risky. Seeking immediate legal advice from a qualified DUI attorney is vital for understanding your rights and options. A knowledgeable lawyer can provide guidance on how to handle your case, negotiate plea deals, and challenge any evidence that may be used against you. Immediate legal representation ensures that you have the best possible chance of achieving a favorable outcome.
Download our free DUI Guide
Learn what you should and shouldn't be doing to help your DUI charge.
Frequently Asked Questions for DUI Attorneys in Gwinnett County, Georgia
If you’ve been recently arrested for a DUI in Gwinnett County, Georgia, you likely have numerous questions about the legal process, your rights, and the next steps. At Willis Law Firm, we understand how overwhelming this situation can be, and we’re here to provide clarity and support. Here are some common questions and answers that many individuals in your situation may have:
Related Videos
How Do Chemical Tests Work with DUI Arrests?
What Happens During the DUI Arrest Process in Georgia?
What Happens With DMV Administrative Hearings?
Emotional State of a DUI Client
Important Info to Know After a DUI Charge
Relieving a Client’s Stress After a DUI Charge
Representing Yourself for a DUI
Why Shouldn’t I Just Plead Guilty to a DUI if I Know I Was at Fault?
How Do I Challenge the DUI Case in Georgia?
What Are Some Common DUI Myths That Are Not True?
What are the consequences for under 21 DUI?
Will I Lose my Job After a DUI Charge?
Worried You Cannot Afford a DUI Attorney
DUI Client Story in Gwinnett County Georgia
This client story is for educational purposes only. Debra’s heart raced as she sat in the small room at the Gwinnett County jail, her hands trembling slightly as she looked down at her mugshot. She had always been a careful driver, but a night out with friends had led to an arrest for DUI. Her breath test showed a BAC of 0.08, just over the legal limit. The weight of the situation felt crushing, and she was overwhelmed by the thought of how this might affect her life. She needed help. That’s when she reached out to Greg Willis at Willis Law Firm, a name she had heard recommended by a friend. Greg Willis was not just another DUI attorney in Gwinnett County, Georgia; he was someone who truly cared about his clients. When Greg first met Debra, he listened intently as she recounted her story. He understood her fears and promised to do everything he could to help. Greg immediately got to work. He discovered that the roadblock where Debra was stopped had not been set up properly. The police had not followed the required procedures, and this was a serious issue. Greg knew that if the roadblock was not set up according to the law, it could mean that the evidence from Debra’s arrest might not be valid. With determination and experience, Greg filed a motion to challenge the legality of the roadblock. He argued that the improper setup meant that Debra’s arrest was not conducted according to the rules. It was a complex process, but Greg handled it with confidence and care. He fought hard to ensure that every detail was scrutinized, showing how much he believed in Debra’s case. The day of the court hearing arrived, and Debra was nervous. But as she sat in the courtroom, she felt a sense of calm knowing Greg was by her side. He presented his case clearly and passionately, pointing out the flaws in the roadblock setup. His hard work paid off. The judge agreed that the roadblock was not conducted properly, and as a result, the charges against Debra were dismissed. Debra walked out of the courtroom feeling a huge weight lifted off her shoulders. Her life was back on track, and she was incredibly grateful to Greg Willis. He had not only navigated the complex legal system but had also provided her with the reassurance and support she needed during a very tough time.Contact Willis Law Firm for Your DUI Case in Gwinnett County, GA
If you’ve been arrested for a DUI in Gwinnett County, Georgia, it’s important to act quickly to protect your rights and future. At Willis Law Firm, we understand how overwhelming and confusing this situation can be. Our team of dedicated DUI attorneys in Gwinnett County, Georgia, is here to provide the support and guidance you need during this challenging time. We offer free consultations to anyone facing DUI charges, giving you the opportunity to discuss your case without any initial cost. During this consultation, we will listen carefully to the details of your situation and outline the best strategies for your defense. Our goal is to ensure you have a clear understanding of your options and the steps we can take to help you achieve the best possible outcome. At Willis Law Firm, we are committed to working tirelessly on your behalf. We know that every case is unique, and we approach each one with the dedication and attention it deserves. From challenging the legality of the traffic stop to examining the procedures used during your arrest, we will leave no stone unturned in our effort to secure a favorable resolution for your case. If you’ve been arrested for a DUI, don’t face this challenge alone. Contact Willis Law Firm today to schedule your free consultation and start building a strong defense with the help of our experienced team. Your future is important, and we are here to help you navigate this difficult time with confidence and clarity.Fighting DUI Charges in Gwinnett County — Our Approach
At Willis Law Firm, we approach every Gwinnett County DUI case the same way — by thoroughly reviewing every piece of evidence, every procedure followed during the arrest, and every potential weakness in the prosecution’s case before any decisions are made. That means examining dashcam and bodycam footage, scrutinizing breathalyzer calibration and maintenance records, evaluating whether the traffic stop was constitutionally valid, and assessing whether field sobriety tests were properly administered. In many cases, this review reveals issues that the prosecution cannot overcome — leading to suppression of evidence, reduction of charges, or outright dismissal. With a 93.1% no-conviction success rate and over 110 reported appellate cases, our track record in Gwinnett County and across Georgia speaks for itself. We know these courts, we know these prosecutors, and we know how to build defenses that work. If you have been arrested for a DUI in Gwinnett County, do not wait. Evidence needs to be preserved quickly and administrative deadlines move fast. Contact Willis Law Firm today for your free consultation.Client Reviews
![]()
If you’re facing legal troubles and want to make sure you’re hiring the best lawyer to fight your case, the Willis Law Firm is the place to call. Their attorneys are extremely knowledgeable and go above and beyond to make sure their clients receive the best outcome possible. The office staff has always been extremely helpful and compassionate through each step of the way. Greg has helped me and my family with a few cases over the years and we’ve always received a great outcome. He and his staff are the best in the field. There’s a reason why other attorneys hire Greg to handle their cases! Highly recommend their services. You won’t be disappointed.

