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The Koplow Law Firm The Koplow Law Firm
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How I Help

Professional DUI and Vehicular Crimes Lawyer Services

Ready to Leave the Last Place You Ever Want to Be?

Phoenix, Scottsdale Arizona DUI Lawyer and Defense

Here is the Problem: There is a widespread belief that DUI and Vehicular Crimes cases are open or shut. People believe a machine performed a chemical test that tells whether or not you violated the law. So, they say to themselves, “Once the result is in, what is the sense in arguing?”

Many "DUI Attorneys" Quietly Believe: This deep-rooted belief is somewhere in the minds of almost everyone involved in a case where impaired driving is alleged. It’s true of the police, the prosecutors, the courts, jurors, the people accused – and even more concerning – many of the lawyers who are supposed to defend these cases.

A Dangerous Misconception: This presumption is stunningly incorrect. The automatic trust given to a blood or breath test performed by the government is unearned and misplaced. The way we think about how the police measure the amount of alcohol or a drug is broken. 

Uncovering the Truth in DUI and Vehicular Crimes Cases

Every day in Phoenix, people accused of DUI and Vehicular Crimes end up in a place they might have avoided because of things like:

  • Evidence Inadequately Scrutinized. However, my focus on DUI cases for 20 years has taught me to see weakness that others can’t…for your case.
  • An Ineffective Process. My PROCESS is a constantly refined expression of what I do with, what of have learned, to fix your problems.
  • Inability to Challenge a Forensic Process. Some cases require CHALLENGING AN ENTIRE SYSTEM. This is something I have successfully done for many clients.

Ways We Can Work Together

  • Attorneys

    If you are an attorney that represents someone who has been accused of a DUI or Vehicular Crime then…

    Co-Counsel

    • I join the defense team and work with existing counsel to help create and implement whatever defense is needed.

    Consulting Expert

    • The client, is this scenario, is the not accused - rather it is the attorney representing the person accused of a DUI or Vehicular Crime.

    Individual Training

    • Want to up your game? Hiring a coach was what I did early on in my career. It has worked out pretty well.

    Public Presentations

    • Every year I present to groups of lawyers on several DUI and Criminal Defense Topics.
  • Normal People

    If you, or someone you care about, has been accused of a DUI or Vehicular Crime then…

    Direct Representation

    • This is where you hire me to represent you in a case. I don't take on every case but let's see if we are good fit. Call my assistant set up a consultation at (602) 560-7837.

    Advisory Counsel

    • In Arizona this is sometimes called "Knapp" counsel. Advisory couple work with an existing attorney (usually a public defender) and has the same right s and responsibilities as the assigned public defender.

    Second Opinions

    • I am often retained to review another attorney's work and look into whether anything overlooked or to see if additional options exist. Learn more.

Recognized for Excellence in DUI Defense

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

How to Start

Take a Deep Breath

Easy for me to say, right? No one can really know what you are going through but you. Even your attorney can only imagine your pain. However, right now (as difficult as it may seem) remember these are still merely allegations. Being charged with a crime is just the start of a process. It does not automatically mean you will be convicted.

What to Expect

Uncertainty Overload.  Standing in the face of criminal allegations is an emotionally charged problem. You will have a difficult time making sense of it. There is also a stunning lack of rhyme or reason to many parts of our DUI laws and the justice system. This creates a barrier to truly understanding your situation. It can cause a crippling uncertainty within you. 

"Knowledge is Power."

Francis Bacon, one of the great refiners of the Scientific Method, proclaimed, “Knowledge is power.” That is, the more one knows, the more one will be able to control events. Control over your situation is probably the exact thing you are looking for right now. So, let’s get some.

  • 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.

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 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.

Let’s Build a Defense That Works

Contact Us Today

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