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Trusted DUI & Criminal Defense Lawyers in Phoenix, AZ
The Weingart Firm has been a trusted name in Arizona's legal community for over four decades, specializing in DUI and criminal defense. Founded by Mark N. Weingart, a certified criminal law specialist and former judge, our firm combines unparalleled courtroom experience with a client-centered approach. We handle a wide range of cases, including DUI charges, domestic violence, drug crimes, and felony offenses, with a proven track record of over 1,000 defended jury trials.

Our team prioritizes immediate action, offering 24/7 availability and free consultations to address urgent legal needs. With a focus on transparency and results, we leverage decades of expertise to protect clients' rights and minimize penalties under Arizona's strict laws.
Services
DUI Defense Criminal Defense Domestic Violence Drug Crimes Juvenile Offenses Felony Charges Aggravated DUI Extreme DUI Drugged Driving DUI Second Offense DUI
Highlights and features
  • 40+ years of experience defending Arizona DUI and criminal cases
  • Founding attorney is a certified criminal law specialist and former judge
  • 24/7 availability for urgent legal matters
  • Affordable payment plans and free initial consultations
  • Proven track record with over 1,000 jury trials defended
Associations and certifications
  • Arizona Board of Legal Specialization
  • National College of DUI Defense
What people say
Aggressive representation Thorough case preparation Timely responses Case dismissed Professional and ethical
Services
DUI Defense
Our DUI defense attorneys specialize in challenging extreme DUI, aggravated DUI, and drugged driving charges. We leverage decades of courtroom experience to contest breathalyzer accuracy, procedural violations, and evidence admissibility. Clients benefit from former judge insights and a track record of dismissed cases and reduced penalties under Arizona's strict DUI laws.
Criminal Defense
We defend against felony charges, domestic violence, and drug-related offenses with aggressive courtroom representation. Our team utilizes former prosecutorial experience to challenge evidence, negotiate plea bargains, and protect constitutional rights. Services cover pre-trial motions, jury trials, and appeals across Maricopa County.
Juvenile Defense
Our juvenile defense focuses on protecting minors' futures against charges like underage DUI and drug possession. We emphasize rehabilitation while challenging evidence and advocating for alternative sentencing. The firm maintains strict confidentiality and works closely with families throughout the legal process.
Domestic Violence
We defend against domestic violence allegations involving assault, harassment, and protective order violations. Our approach challenges witness credibility, examines evidence integrity, and addresses false accusations. Services include emergency hearings, trial representation, and post-conviction relief for both misdemeanor and felony charges.
Aggravated DUI
Specializing in aggravated DUI defense, we handle cases involving minors in vehicles, repeat offenses, and wrong-way driving. Our team challenges enhanced penalty justifications and prosecutorial overreach. With former judicial perspective, we develop tailored strategies to reduce charges or secure dismissals.
People
Mark N. Weingart
Founding Attorney
A certified criminal law specialist with 40+ years of experience, Mark is a former Tempe judge and Arizona Assistant Attorney General. He founded the National College of DUI Defense and holds an AV-rating for legal excellence and ethics.
Adam Susser
Criminal Defense Attorney
With 16+ years of experience, Adam has handled over 100 jury trials. A former Maricopa County prosecutor, he specializes in DUI defense and complex criminal cases, offering unique insight into prosecutorial strategies.
Adam Weingart
Associate Attorney
Adam represents clients in DUI and criminal cases with aggressive advocacy. A Tempe native, he brings youthful energy to the firm's experienced team, focusing on courtroom preparedness and client communication.
Kellie Crocker
Legal Paralegal
Kellie manages case logistics with 20+ years of criminal defense experience. She serves as primary client contact, ensuring timely updates and coordination between clients, courts, and prosecutors.
Questions
What is Arizona's legal limit for DUI?
Arizona's legal BAC limit is 0.08%, with extreme DUI at 0.15% and super extreme DUI at 0.20%. Penalties increase significantly at these thresholds.
What should I expect from a Phoenix DUI attorney?
Expect immediate action to preserve driving privileges, evidence challenges, and strategic negotiations. Our attorneys leverage former prosecutorial experience to secure dismissals or reduced charges.
How reliable is breathalyzer evidence?
Breathalyzer results can be challenged through calibration records, medical conditions, and administration errors. Our attorneys routinely suppress inaccurate results in DUI defense.
Can I get my Arizona DUI dismissed?
Dismissals require challenging evidence validity, procedural violations, or constitutional rights breaches. Our firm has secured numerous DUI dismissals through pre-trial motions and trial victories.
Do you handle out-of-state DUI cases?
We primarily handle Arizona DUI cases but provide consultation for out-of-state residents facing Arizona charges, coordinating with local counsel when necessary.