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Choosing a lawyer shouldn’t be like betting at a casino where only the house wins. It’s true. In Phoenix and Scottsdale, AZ DUI and Vehicular Crimes cases, many lawyers do nothing more than fold. They submit to whatever the prosecutor wants. You deserve better.

Experienced Criminal Defense Attorney Phoenix

Award-Winning, Experienced Attorney Serving Phoenix, Scottsdale, & Beyond

My name is Lawrence Koplow, and I am a former DUI prosecutor with 25+ years of experience. I excel at handling cases involving misdemeanor and felony DUI, as well as vehicular crimes

Leveraging a unique understanding of the ins and outs of forensic sciences and Arizona law, I devise and implement creative strategies that combat prosecutors' claims and evidence and protect the rights of those who trust their cases with me. Through my distinct, client-centric approach, I have earned a reputation for spotting things others do not and getting results. My strategies are always evolving, ensuring that every client receives defense tactics that are up-to-date with current legal standards.

If you have been arrested for DUI or are facing charges for a vehicular offense, you may feel like you have nowhere to turn and that your fate has already been decided. Amid the uncertainty and fears about your future, career, and family, know this: you have defense options and can secure reduced charges or have them dropped altogether. But time is of the essence. Contact The Koplow Law Firm today to learn how my team and I can defend you. It's important to act swiftly to allow sufficient time to analyze all the facets of your situation and identify any legal nuances that can be leveraged in your favor. 

Do not rely on just any attorney. Put a Phoenix DUI and vehicular crimes attorney with an unparalleled track record of success in your corner. Call (602) 560-7837 or get in touch online.

My Process as a Criminal Defense Lawyer in Phoenix

A Proven Track Record in Criminal Defense

How do I get people out of a DUI in Phoenix when it seems like there's no hope? My process is a constantly refined expression of what I do with what I have learned to address your legal challenges. Working methodically to uncover overlooked evidence and analyzing forensic data with a critical eye are fundamental to the approach. I engage with leading forensic experts to question the validity of test results and bring any discrepancies to light, ultimately strengthening your defense.

There is a widespread belief that DUI and vehicular crime cases are open or shut. I dismantle the evidence behind every claim by finding forensic flaws and constitutional violations. My commitment to challenging every piece of evidence presented by the prosecution reflects a broader dedication to justice, ensuring that every argument is fought with diligence and precision, potentially altering the predicted outcome in your favor.

Understanding Phoenix's DUI Laws with Your Defense Attorney

Phoenix, being part of Arizona, adheres to some of the strictest DUI laws in the United States. Understanding these laws is crucial for anyone facing charges. Arizona enforces a zero-tolerance policy for any presence of illegal drugs in the system of a driver, making the state one of the toughest on DUI offenses. With severe penalties, including substantial fines, license suspension, and possible jail time, it's imperative to work with a knowledgeable defense attorney.

Arizona’s implied consent laws mean that by holding an Arizona driver's license, you agree to submit to alcohol or drug testing when requested by a police officer. Failing or refusing a test can result in automatic license suspension. At The Koplow Law Firm, we are adept at navigating these complex regulations to protect your rights and challenge any inappropriate application of the law.

  • 1. I find out what's keeping you awake at night.
    What about this nightmare is terrifying you? That's what I need to solve.
  • 2. Start with the most important question.
    Too often, my colleagues neglect to ask the most important question: is there a way out? Beginning the analysis of a case, assuming that it will end in the outcome you seek to avoid, can be a self-fulfilling prophecy.
  • 3. I prepare your case for trial whether or not we go to trial.
    This is how you prepare to win...even in cases where you never intend to go to trial.
  • 4. Together we'll decide the best way to get you HOME.
    That's my goal for you.

How I Help

Ready to leave the last place you ever want to be? As an Arizona DUI attorney, I reveal the truth about flawed forensics that look flawless. I challenge the status quo and push to fix the failures of the justice system in protecting people’s constitutional rights. What happens after you reach out? A team member will begin reviewing your case. We will contact you to ask questions and go over your options. We will determine, together with you, what makes sense for the next step for you and your family to take.

  • I Understand Forensics Inside and Out
  • I Use Creative Strategies
  • I Spot Things Others Can’t Find

Real Stories. Real Results.

See What Our Clients Have to Say

At The Koplow Law Firm, your satisfaction is our priority! See for yourself what our clients have to say about working with us.

    "Great trial attorney."

    Lawrence is tenacious, relentless, and extremely passionate about his clients and their cases. He leaves no stone unturned in his investigations, and his cross examinations are grueling. His knowledge of the science of DUI's and the testing procedures is unsurpassed. Great trial attorney.

    - Jesse S.
    "Unquestionably one of the top DUI/ criminal defense attorneys in Arizona."
    As a practicing attorney in DUI and criminal defense, and as a former prosecutor who went against Lawrence on several cases, I can attest that the State knows they will have their hands full when Lawrence is on the case.
    - Ryan M.
    "You cannot go wrong with Lawrence."

    Great attorney! Lawrence thinks outside the box and goes above and beyond for his clients and the legal community at large. If you are looking for aggressive representation, you cannot go wrong with Lawrence.

    - Charity C.
    "No other lawyer knows the science of DUI like Lawrence does."
    Lawrence is the best lawyer I have ever met. If your career is on the line then he is the guy. No other lawyer knows the science of DUI like Lawrence does. I will be forever grateful!
    - Greg S.
    "It was miracle!"

    It was miracle!... A lot of people don't really understand the benefit of having an attorney who used to be a prosecutor. They know all the little tricks and scare tactics the state has as opposed to just hiring an attorney who is a little fish in a big pond.

    - Joe C.
    "One of the best."
    Lawrence Koplow is one of the best DUI and vehicular defense attorneys in the state of Arizona. Anyone would be extremely fortunate to have him as their advocate.
    - Jack L.
    "You cannot go wrong with Lawrence."
    Lawrence thinks outside the box and goes above and beyond for his clients and the legal community at large. If you are looking for aggressive representation, you cannot go wrong with Lawrence.
    - Charity C.
    "Nobody knows the court and laws better than him."
    Lawrence represents very high-profile clients who greatly depend on a good outcome, and this guy will deliver. This is a prosecutors' worse nightmare, and it should be that way if you need an attorney.
    - David E.

DUI & Vehicular Crime Defense

Let’s Build a Defense That Works

We handle all types of DUI and vehicular crime cases, from first offenses to complex litigation, with a proven record of success.

What to Expect from Your Criminal Defense Lawyer in Phoenix

At The Koplow Law Firm, do not expect anything ordinary. Count on services and legal strategy that center on your concerns and goals and are founded on my extensive experience and commitment to challenging the status quo. From the moment we begin, you will notice a difference in how your needs and expectations become the focus of our engagement.  

There is a widespread (and unfortunate) belief that DUI and vehicular crime cases are open and shut. This is not so. How do I help clients navigate the complexities that arrests and charges for these offenses cause? You will receive personalized attention, with every aspect of your situation carefully examined under a lens informed by years of practice and legal acumen.

The answer lies in my process, which I constantly refine to match the evolutions of Arizona statutes and judicial interpretations. It is comprehensive, multi-dimensional, and focused on dismantling opposing evidence and pinpointing forensic flaws and constitutional violations. My approach is not just about combatting the charges you face; it is about equipping you with knowledge and keeping you informed at each step, so you understand all possible outcomes and feel empowered during the legal process.  

Are you interested in learning more about The Koplow Law Firm? Visit this site’s About page. You can also check out the Reviews page to read many clients' positive experiences working with me and my team. Discover firsthand how previous clients have benefited from our services and the difference that a knowledgeable defense can make. 

Common Mistakes Made After a DUI Arrest

Following a DUI arrest, it's critical to be aware of common mistakes that can jeopardize your defense. One frequent error is hesitating to contact a defense attorney promptly. Early legal guidance can significantly impact the outcome, providing ample time to gather and analyze evidence. Another mistake is discussing your case with friends or on social media, which can unintentionally incriminate you. Anything you say publicly can be used against you in court, so maintaining discretion about your situation is crucial.

Failing to comply with court orders, such as attending mandatory hearings or alcohol education programs, can also have serious repercussions. Compliance is not just a legal obligation but a demonstration of responsibility and respect for the legal process, both of which can be advantageous in your defense strategy. The Koplow Law Firm can help navigate these pitfalls, ensuring that your actions post-arrest align with a strong defense strategy.

Who We Are, What We Stand For

Creative Strategies for Complex Cases
  • Restoring Lives, Protecting Rights

    We fight to protect our clients’ constitutional rights, restore their dignity, and help them regain control of their lives. Your case is not just another file—it’s your future, and we are here to help you move forward.

  • Forensic Knowledge You Can Trust

    We have an in-depth understanding of forensic science, which allows us to uncover flaws in evidence that others often miss. By challenging faulty forensic tests, we’ve achieved countless successes for our clients.

  • Leaders in DUI Defense Training

    Our attorney is frequently invited to train lawyers in Arizona and across the nation on DUI and vehicular crime defense. This reputation as a trusted educator demonstrates the depth of our knowledge and expertise.

  • Personalized Representation

    When you choose our firm, you work directly with the attorney handling your case. We are dedicated to providing a 1-on-1 relationship to fully understand your unique circumstances and craft a defense strategy specifically for you.

  • Creative and Strategic Defense

    Our innovative and tailored defense strategies set us apart. Judges and lawyers recognize our firm for pushing boundaries and challenging the status quo to achieve the best possible results for our clients.

  • Decades of DUI Defense Experience

    With over 20 years of combined experience as a former DUI prosecutor, Attorney Koplow brings unparalleled knowledge to the table.

DUI Library

The best DUI defense stuff that only a few know and none want to share. A one of a kind annotated resource for lawyers, people accused, or anyone who wants to see what’s going on in our justice system with DUI cases… and how to fix it.

Recognized for Excellence in DUI Defense

Recognition that Highlights Our Skill, Integrity, and Results
  • Super Lawyers 2025
  • Super Lawyers
  • NACDL
  • NCDD
  • AACJ

Consult a Trusted DUI & Vehicular Crimes Defense Lawyer in Phoenix About Your Case

Proudly, I have been recognized by Arizona Attorneys for Criminal Justice (AACJ) for my DUI defenses, received a President's Commendation for my work on Diaz v. State of Arizona, am a member of the National College for DUI Defense, and have been selected to Arizona's Super Lawyers between 2019 and 2025. These recognitions are more than accolades. They are affirmations that by partnering with me, you are in good hands. In a legal landscape where credentials matter, these honors reflect my commitment to defending your rights with unparalleled dedication.

I am always eager to help people in moments that feel like their lowest and when there appears to be no way out. Take the first step toward addressing your charges and contact the firm. What happens after you get in touch? The consultation process is designed not only to ease your concerns but to start the work of building a robust defense from our very first meeting.

To start, a team member will review your case. Then, a representative of the firm will contact you to ask questions and go over your options. If my team and I are the right fit for your case, we will start building a comprehensive defense strategy that caters specifically to your situation. We can conduct initial and subsequent meetings virtually, making it possible to partner with me no matter where you are in Arizona. This virtual flexibility ensures consistent communication and allows us to adapt swiftly to the developments in your legal situation, ensuring that our defense strategy is always pertinent and informed by the newest legal precedents.

When your reputation, career, driving privileges, and so much more are on the line, you deserve better than the average defense. Call (602) 560-7837 or connect with The Koplow Law Firm online for premier services that thousands have trusted. Our promise to you is diligence, fidelity to the truth, and persistent advocacy every step of the way.

Local Factors Impacting DUI Defense with a Criminal Attorney Phoenix

Phoenix is unique when it comes to DUI cases due to several local factors. The city’s bustling nightlife and extensive highway systems make it one of the prime areas for DUI enforcement in Arizona. Police checkpoints and patrols are frequent, especially during holiday weekends and major local events. Being knowledgeable about these local enforcement patterns can be advantageous in crafting a defense strategy that accounts for potential procedural missteps during arrests.

A key local consideration is the climate, as Phoenix’s extreme temperatures can sometimes impact the reliability of roadside sobriety tests, which are predominantly administered outdoors. Understanding how these factors might affect test results can prove crucial in questioning the validity of field sobriety assessments. At The Koplow Law Firm, we take all local factors into account, ensuring a defense that considers every viable angle to challenge the evidence presented.

FAQs About DUI & Vehicular Crimes with a Criminal Defense Attorney

What Are the Penalties for a DUI Conviction in Phoenix?

Penalties for a DUI conviction in Phoenix can vary depending on the specifics of the charge, whether it is a misdemeanor or felony, and if there are prior offenses. First-time offenders might face fines, possible jail time, mandatory attendance at alcohol education programs, and a suspended license. For repeat offenders or aggravated DUI charges, penalties can include longer jail sentences, higher fines, and the installation of an ignition interlock device in your vehicle. Understanding the precise nature of your charge can help set realistic expectations and tailor a defense strategy that considers potential penalties and ways to mitigate them.

How Can a Criminal Defense Attorney Help with DUI Charges?

A lawyer experienced in DUI and vehicular crimes can be an invaluable asset in navigating the complexities of your charges. They can scrutinize the evidence, identify procedural errors made during your arrest, and challenge the validity of blood alcohol content results. Lawyers will negotiate with prosecutors on your behalf, aiming for reduced charges when possible. At The Koplow Law Firm, we combine an in-depth knowledge of Arizona DUI laws with strategic planning to provide a robust defense.

Is an Ignition Interlock Device Required After a DUI?

In Arizona, the installation of an ignition interlock device (IID) is mandatory for most DUI convictions. The IID is a breathalyzer connected to the vehicle's ignition system, which prevents the engine from starting if alcohol is detected. The duration for which an IID is required varies based on the specifics of the DUI conviction, including the severity of the offense and any prior DUI history. Ensuring compliance with this requirement is crucial, as failing to do so can result in additional penalties.

What Should I Do Immediately After a DUI Arrest?

Following a DUI arrest, it is vital to stay composed and cooperate with law enforcement while also exercising your right to remain silent until you've spoken with an attorney. Documenting every detail of your arrest as soon as possible can be helpful. Recalling the sequence of events, the behavior of the officers, and any statements made can be crucial for building your defense. Most importantly, reaching out to a DUI defense lawyer promptly can ensure that your rights are protected and that you receive guidance tailored to your specific circumstances.

How Does a DUI Impact My Driving Privileges in Phoenix?

A DUI conviction can significantly affect your driving privileges in Phoenix. Typically, it results in a license suspension for a designated period, which can range from a few months to several years, depending on the severity and recurrence of offenses. The installation of an ignition interlock device and enrollment in an alcohol education program are common requirements for reinstating your license. At The Koplow Law Firm, we can provide guidance on the steps necessary to regain your driving privileges and assist in navigating the legal and procedural landscape post-conviction.

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Let’s Fix This Together

Your first step toward justice starts with contacting us.

Have questions or need immediate legal assistance? Contact us for a consultation today.

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