Over 93% of my DUI Cases Resolved Without a DUI Conviction Over the Last 10 Years


Tirelessly Protecting Your Constitutional Rights in Georgia

Do You Need Legal Help?


    Tirelessly Protecting Your Constitutional Rights in Georgia

    Do You Need Legal Help?

      Greg Photo-Gold

      Greg Willis has been successful at defending DUI cases (over 93% without a conviction)

      He's the only lawyer in the State of Georgia to ever be recognized for all three of these accomplishments.


      Received the Samurai Lawyer Award for having gone to jail for a total of 4 days in order to save his own client


      Received the BadAss Lawyer Award for the biggest impact of all DUI lawyers in DUI defense in the country


      Received the vote of Georgia Lawyers as a Superlawyer in DUI Law for 10 straight consecutive years

      "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

      DUI Car Keys - Atlanta DUI Attorney

      Atlanta Criminal Trial Attorney Greg Willis Testifying in front of the Georgia House of Representatives

      Atlanta Criminal Trial Attorney Greg Willis Testifying in front of the Georgia House of Representatives

      Atlanta Criminal Trial Attorney Greg Willis Testifying in front of the Georgia House of Representatives

      Breath Test Defense in Atlanta

      Tenacious Atlanta DUI Lawyer

      To produce a valid breath alcohol content (BAC) reading, tests must follow a strict set of rules. Only trained personnel are allowed to conduct the test, the equipment used must be up to par, a certain wait period must be observed before taking the test, and multiple tests should be taken. Also, the ambient air must be tested first, and the machine must be fully calibrated.

      Too often, undeserved DUI charges are filed against someone because a mistake was made in the breath test. The experienced Atlanta DUI attorney at Willis Law Firm has found errors in breath tests and overturned DUI charges for decades.

      Find out how they can help you beat your charge when you call the firm now!

      Did you refuse a breath test?

      If you refused to take a breath test, or if you were mistakenly said to have refused the test, you face automatic driver’s license suspension. You urgently need a gifted DUI attorney to handle your case. There may still be a way to counter the officer’s testimony or achieve a plea bargain.

      Did you fail a breath test?

      Whether a failed breath test involved the dated Intoxilyzer 5000 or the Intoxilyzer 9000, the BAC reading could have been erroneous due to poorly calibrated machinery, inadequately trained officers, or even a medical condition.

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      DUI Icon New


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      Are Breathalyzer tests reliable?

      The Intoxilyzer 5000

      There is a substantial body of evidence that the antiquated breath test machine known as the Intoxilyzer 5000 is faulty. This equipment is known to have considerable margins of error, and the equipment is calibrated infrequently, throwing the results of such tests into sharp question. But because of tight budgets, Georgia is only one of a few states to still use this machine.

      Here are some of the reasons someone could fail a breath test without actually being impaired:

      • Diabetes
      • Heartburn
      • Esophageal Hernia
      • Liver Disease

      Numerous other medical conditions could be the real reason a breath test was failed. Even cough syrup, chewing gum, or breath spray can trigger a mistakenly high reading. In fact, more than a decade ago, a toxicology journal found that simply rinsing one’s mouth with an alcoholic solution could yield a significantly higher BAC reading than swallowing alcohol could.

      The Intoxilyzer 9000

      The Intoxilyzer 5000 is finally being transitioned out, and the Intoxilyzer 9000 is supposed to be the only breath test equipment used as of December 31, 2015. The same stringent rules apply for conducting the test, however, and only trained professionals with an Intoxilyzer 9000 permit should be performing these breath tests. Of course, this newer equipment can still malfunction in ways similar to its predecessor, and an updated machine cannot make up for human errors.

      Download our free DUI Guide

      Learn what you should and shouldn't be doing to help your DUI charge.

      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.

      Holly Cavanaugh

      Read More Reviews