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At the Maasen Law Firm, you will find the highest quality of legal advice and expertise in our DUI and criminal attorneys. We are dedicated to aggressively defending your rights in DUI, felony, and misdemeanor criminal cases.

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Criminal defense attorneys in Phoenix Arizona

The Maasen Law Firm is a team of Arizona DUI and criminal defense attorneys serving Phoenix, Scottsdale, Paradise Valley, Mesa, Peoria, Tempe, Chandler, Glendale, Prescott, Tucson, and Flagstaff in Maricopa, Yavapai, Coconino, and Pima counties.

We are located at:

Maasen Law Firm

8707 E. Vista Bonita Drive #230
Scottsdale, AZ 85255
United States
Phone: 4807781500
Fax: 4807780514
Email: info@maasenlaw.com

The Maasen Law Firm aggressively fights for our clients. Our Phoenix area criminal defense attorneys have previously worked as prosecutors and have years of extensive trial experience. The Maasen Law Firm’s DUI lawyers are exceptionally educated in the area of Field Sobriety Testing and breath testing equipment used by Arizona police and highway patrol during DUI stops. Our criminal defense attorneys have the knowledge of Arizona DUI law and the skills to fight for your case. We can help! Start a free DUI case evaluation now.

A high level of commitment to our clients is of the utmost importance to us. We believe that effective communication is the key to successfully helping our clients. In addition to continuous interaction with your Paralegal and the Attorney assigned to your case, every client has Scott Maasen’s personal cell phone number and direct email address.

Criminal Defense Lawyers for Phoenix and Arizona

At the Maasen Law Firm in Phoenix, we pride ourselves on our vigorous defense for all our clients. We defend anyone who has been charged with a criminal offense whether it is a misdemeanor or serious felony.

We have the expertise of a former prosecutor who knows what to expect from the other side.We also have a Certified Criminal Law Specialist. In our efforts to provide you the best possible defense at the earliest stage of investigation, we are available for consultation 24 hours a day seven days a week and offer a free consultation. We are known for our defense of all felonies and misdemeanors, including but not limited to:

We thoroughly investigate each individual case and will provide you an aggressive defense. We fight to see that you receive the protection of all your constitutional rights afforded you under both the federal and state constitutions. We have the highest A-Vrating possible by Lexis-Nexis and Martindale-Hubbell®.

Arizona areas served by Maasen Law Firm

We serve clients in Pima, Yavapai, Maricopa and Coconino counties including Phoenix, Scottsdale, Paradise Valley, Phoenix, Mesa, Tempe, Peoria, Glendale, Chandler, Tucson, Prescott, and Flagstaff. We are committed our clients and believe open communication is necessary for preparing a proper defense.

DUI Charges and Defense

Arizona has some of the most stringent laws against driving under the influence (DUI) or driving while intoxicated (DWI) in the U.S.  If you are arrested and charged with a DUI or DWI, you need the immediate assistance of an experienced DUI/DWI attorney who will see that all of your constitutional rights are protected and who will challenge the veracity of the evidence against you.

There are different DUI/DWI charges, all carrying different penalties. A charge and conviction can have a permanent effect on your life.  You will be subject to spending time in jail or prison and the payment of a high fine. If you are able to even get car insurance, the rates will sky rocket. You may lose your job and your family.

Possible DUI/DWI Charges in Arizona

If you are arrested for a DUI, in addition to criminal charges being filed by the state, the MVD will take measures to suspend your license and impose penalties and fees. We can also help you by obtaining a hearing and defending you against the MVD.

What to do if stopped on suspicion of DWI/DUI: Here are recommendations we have for how to respond to a traffic stop for suspicion of drunk driving.

Possible Defenses to an AZ DUI Charge

Not everyone stopped or arrested for a DWI or DUI is guilty. There are defenses that should be raised due to the severity of the consequences upon conviction. Here are just a few viable defenses to a charge of DWI/DUI.

Drug Crime Defense in AZ

The state of Arizona and the federal government impose severe penalties on anyone convicted of a drug offense including possession, possession with the intent to distribute, manufacturing and trafficking. Illegal drugs are classified as controlled substances and include cocaine, heroin, methamphetamine, LSD and even marijuana. The charges and ultimate sentence if convicted depend on:

  • The specific drug involved and whether it is a Schedule I or Schedule II drug.
  • The amount of the drug that was recovered.
  • Whether the intent was to personally use the drug or to sell it. Possession of more of the drug that would normally be for personal use will be used as evidence that the intent was to distribute the drug.

The Maasen Law Firm provides you the most vigorous defense possible. Prison sentences are long and fines are high. You need attorneys on your side who have experience and expertise in defending these charges in both state and federal court. Call us any time 24/7 for a free consultation.

Sex Crimes Defense

Being charged with a sex crime is daunting. Defending yourself may seem insurmountable. Call us and we will thoroughly investigate all the facts of the case and vigorously fight for your rights and your freedom. There are several different types of sex crimes charged in Arizona including, but not limited to:

Each charge has different elements the prosecutor must prove. The penalties for all sex crimes can be severe. We will provide you the best available defense and work for the best possible outcome.

Child Abuse Defense

Child abuse charges range from neglect to child molestation. If you are charged with child abuse, not only are you faced with severe criminal penalties, including high fines and a lengthy prison sentence, you may lose your job as well as the respect of friends and family members. You need the best defense possible. We will work tirelessly to provide you the aggressive defense to which you are entitled.

Assault and Domestic Violence Defense

  • Assault: Arizona law makes it a crime to “intentionally, knowingly or recklessly” cause a physical injury to another person. Any injury, no matter how minor it may appear, can qualify for a violation of this statute and result in a criminal charge of assault. These charges include Manslaughter, Second Degree MurderFirst Degree Murder, and unlawful imprisonment among others.
  • Domestic violence: If the injury was allegedly caused by two people who are married, live together, are romantically involved or related in some way, it is considered domestic violence.

If convicted of this offense, in addition to criminal penalties such as fines and imprisonment, there may be certain jobs you can no longer qualify for. These include some military positions as well as being a police officer or any job, such as security guard, that requires you to carry a weapon. You need the best possible defense attorney on your side.

Gun Crime Defense

Arizona has a complicated web of weapons offenses. They are particularly severe if you have been convicted of a crime that bars you from ever possessing a gun. Certain types of guns cannot be possessed by anyone and if a gun is used in the commission of another alleged crime, the penalties are substantially increased. You need one of our experienced defense attorneys on your side in order to properly defend you and see to it that all your constitutional rights are protected.

Vehicular Homicide Defense

Many incidents can escalate to charges being filed for vehicular homicide. If you were involved in an accident where someone was killed and you were driving under the influence, you left the scene of the accident or the prosecutor decides your negligence caused the accident, vehicular homicide may be charged. The Maasen Law Firm has extensive experience defending these types of cases. Call us as soon as you know you are under investigation.

Have you been charged?

AV Highest Rating Law Firm

Scott A. Maasen and the Maasen Law Firm are AV® rated; the highest possible rating by Lexis Nexis Martindale-Hubbell®, and is listed in the Bar Register of Preeminent Lawyers®, Criminal Law Section. Certified Criminal Law Specialist* – through the Arizona Board of Legal Specialization is available.
Click here to learn what it means to be AV® rated by Lexis Nexis Martindale-Hubbell®.

We have successfully handled thousands of cases including:

  • Vehicular homicide
  • Appeals
  • Domestic violence
  • Child abuse
  • Juvenile cases
  • Record clearings
  • Sex crimes
  • Murder
  • Jail release
  • Drug offenses
  • Forfeitures
  • Traffic violations
  • Fraud
  • Aggravated assault
  • Computer crimes
  • Probation violations

Client Testimonials

Your representation in my case was Professionally Top Notch with all my questions answered clearly and my court appearance went very smoothly which made me feel at ease with you during this uncomfortable experience. I would refer you to anyone who needed legal service.

R.T.C.
R.T.C.

Thank you so much for everything you do for us. You are always so patient and kind and really care. I can’t even imagine how many clients you must take care of, but every time I call, I am treated as if we were your only client, and I just can’t tell you how much I appreciate it.

T.S.
T.S.

I just wanted to thank you for all your help in wiping my hands clean with this case. I will undoubtedly refer you and your firm whenever one of my friends needs a lawyer in your neighborhood.

J.W.
J.W.

Just a short note of thanks to all of you who worked on my behalf. The events of this mornings Pretrial Conference/Change of Plea Hearing was favorable.

R.S.
R.S.

Maasen Law Firm as seen on

Click for a Free Immediate Online Consultation with one of our attorneys, or please call Maasen Law Firm’s Arizona DUI lawyers: 480-778-1500

New Case Results

  • 👤

    Aggravated DUI 5 Counts

    Dismissed | La Paz Superior Court | Client – SV

  • 👤

    DUI

    Changed to Unsafe lane/Change/failure to signal | Arcadia Biltmore JC | Client – TC

Featured Blog

Certified AZ Criminal Law Specialists

STATE BAR OF ARIZONA * MLF has a Certified Criminal Law Specialists available:

Click here to learn what it means to be a certified legal specialist in Arizona.

There when you need us!

The Maasen Law Firm offers 24 hour emergency assistance and advice as well as reasonable fees with payment plans available. We are proud of the fact that many of our cases come to us through referrals from other respected criminal defense attorneys and clients that know first hand of our successful advocacy and passion for defending the rights of our clients.

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