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Jason David Karpel
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About Jason
Biography
Jason Karpel was born and raised in Chicago, Illinois. After high school, he attended Arizona State University, where he earned a Bachelor’s degree in Interdisciplinary Studies. Drawn to Arizona, Jason remained in the state to attend law school, where he served as a teaching assistant and worked for a criminal defense firm. Upon graduating, he immediately passed the Arizona Bar Exam and began pursuing his lifelong passion for criminal defense.
Jason joined DM Cantor in 2017 and became a partner in 2023. In 2025, he achieved Board Certification in Criminal Law through the State Bar of Arizona and also became a Board-Certified DUI Specialist through the National College of DUI Defense. Jason is one of only three attorneys in Arizona to hold dual board certifications in both Criminal Law and DUI Defense.
Throughout his career, Jason has exclusively practiced criminal defense. He is a highly effective, aggressive, and accomplished trial attorney who handles a wide range of cases, including homicides, sex crimes, drug offenses, DUI cases, vehicular crimes, and appeals. Jason has completed more than 75 jury trials to verdict and has been recognized as a Southwest Super Lawyers “Super Lawyer” from 2020 through 2026.
ADDITIONAL MENTIONS
Fluent in Russian
Extensive Trial Experience
Former Varsity Wrestler, Arizona State University
Former professional MMA fighter
DM Cantor
Practice Areas
8
Practice Areas
Criminal Defense
20%
DUI and DWI
20%
Business
10%
Drug Crime
10%
Fees and Rates
Cost
Payment Methods
- Cash
- Check
- Credit Card
Awards
Licenses
Licensed in Arizona for 12 years
State: Arizona
Acquired: 2013
No misconduct found
Location
DM Cantor
40 North Central Avenue, Suite 2300, Phoenix, AZ, 85004
dmcantor.com/about-dmc/jason-karpelJason David Karpel's Reviews
Avvo Review Score
59 Client Reviews
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Practice Areas
Showing 46 - 50 of 59 reviews
Posted by anonymous | May 06, 2015
And Today was a good Day!!!
I was facing some pretty serious felony charges back in November for a domestic violence dispute. Jason Karpel and Guy Brown made me feel so comfortable after my previous lawyer wanted me to plea to felony! It only took me one visit to realize that the legal team of Guy Brown PLLC was right for me. J...
Posted by chris | April 12, 2015
all around stand up guy
Awsome lawyer would definitely have him defend me at any time
Posted by Jose | March 11, 2015
saved my life
Jason represented me in my dui and got my charges dropped and saved my life. He was the best attorney ever he helped us more then he will ever know. I thank him and his staff highly recommend him to anybody who needs help. He is very trustworthy and communicated with me the whole Tine
Posted by anonymous | January 15, 2015
Better outcome than what was expected
My case was assigned to Jason Karpel at the last minute, but I still felt like everything was handled better than I could have expected. This was my first interaction with a lawyer, and Jason took the time to go over everything with me and was up front with what I should expect. Now that my case is d...
Posted by Ray | November 30, 2014
Amazing Attorney
I was lucky enough to have Jason represent me for my case. From the first time I talked to Jason he really made me feel comfortable and assured me he would help me through this. I know he worked very hard because I would always ask him and every time I did he would take the time to speak with me and ...
Jason David Karpel's Lawyer Endorsements
"I am proud to endorse Jason as an exemplary criminal defense attorney and a remarkable colleague. His deep knowledge of criminal law, thorough case preparation, and relentless commitment to defending clients’ rights consistently strengthen our team’s efforts. Jason exhibits exceptional skill in analyzing complex legal issues, constructing compelling defense strategies, and advocating with precision in high-stakes situations. His poised and confident courtroom presence, paired with an approachable and professional demeanor, earns trust from clients and respect from peers. Always dependable and driven, Jason goes the extra mile to challenge prosecutorial evidence and secure fair outcomes, no matter the case’s complexity. Collaborating with such a dedicated and talented attorney is truly rewarding, and I enthusiastically recommend him for his stellar contributions to our practice."
"Jason Karpel is one of the strongest DUI and criminal defense attorneys out there. He's not only great with the technical aspects, but he has a special knack for strategy and finding the strengths of a case that he can build on to the benefit of each client. I would recommend Jason to anyone in need of a criminal defense attorney."
"Jason is an absolute master of the DUI arena. He is incredibly hard-working, smart, creative, and an absolute pit-bull in trial. Jason is not only willing to work every angle possible to help his clients - but he INVENTS new angles that other attorneys haven't even thought of. If you've been accused of a DUI or any felony charge you would be lucky to have Jason as your representative."
"Jason is an experienced and dedicated DUI criminal defense attorney. He has litigated DUI and general criminal offenses in nearly every jurisdiction within Maricopa County and gets results. I would recommend him to anyone."
"I have known Mr. Karpel since law school. He is truly an impressive attorney with tremendous experience, who is very well respected in the legal community. Any case, big or small, Jason can help. Highly recommended!"
"Jason is an excellent advocate for his clients. He fights for the best possible result in every case."
"Jason is an excellent criminal defense attorney. He represents his clients with passion and zeal. His knowledge of criminal law is extensive and he has a tireless work ethic. I highly endorse him."
"I strongly endorse Jason Karpel. I have seen Jason's work ethic and results first hand. Jason will do everything he can to get the best result possible for his clients. Jason is an outstanding attorney and fearless litigator."
"Jason is knowledgeable, hardworking, and will move heaven and earth for his clients (if it is at all possible). He will patiently guide you through your case and get you an excellent result. Highly recommended."
"Jason is a fantastic criminal defense attorney. I can attest to Jason's professionalism, courtesy, and zealous advocacy. I would recommend Jason to anyone."
"I've seen Mr. Karpel zealously advocate for his clients in the courtroom on numerous occasions. He is a dedicated attorney who will provide you with a top-notch defense."
"I endorse this lawyer."
"I endorse this lawyer. Mr. Karpel and I have worked together on numerous cases. Should my friends or family ever get in trouble, Mr. Karpel is my first call. He knows our criminal justice system and knows how to get the best results for his clients."
"I refer all my criminal cases to Mr. Karpel. I know that he will treat my clients with the utmost professionalism and will strive to get the very best possible outcome for my clients. I highly recommend Mr. Karpel for criminal cases, from misdemeanors to the most complex criminal cases. He is a formidable advocate for clients."
"Jason is smart, persistent, and diligent. I highly recommend him."
"I highly recommend Mr. Karpel. His work ethic and client dedication is rivaled by most."
"Jason is an exceptional attorney with a tremendous amount of experience. He attacks every case head on. I would not hesitate to recommend Jason to anyone seeking legal representation."
"I strongly recommend Jason for assistance with any legal issue you may have."
"Jason is always professional every time that I have seen him in court. I have seen him confidently represent client's in criminal courts as he is always current on the latest developments in the law and works his cases hard. He is a very good lawyer to have on your side."
"Jason Karpel is an excellent advocate and great communicator."
Daniel Hutto
Criminal defense lawyer
Jana Junuz
Criminal defense lawyer
Armando Nava
Criminal defense lawyer
Jonathan Goebel
DUI and DWI lawyer
Omer Gurion
Criminal defense lawyer
Nicholas Boca
Family lawyer
Daniel Wilson
Criminal defense lawyer
David Cantor
Criminal defense lawyer
Joey Hamby
Criminal defense lawyer
Christine Whalin
Criminal defense lawyer
Elizabeth Mullins
Criminal defense lawyer
Gregory Larson
Real estate lawyer
Michelle Carlton
Family lawyer
Anthony Salvador
Business lawyer
Derek Oliverson
Criminal defense lawyer
Vincent St. George III
Employment and labor lawyer
Andrew Gartman
Litigation lawyer
Christopher Lyons
Criminal defense lawyer
Abdoukadir Jaiteh
Personal injury lawyer
Trinidad Zamora
Criminal defense lawyer
Experience
Honors
2027
Super Lawyer, Super Lawyers
2026
Super Lawyer, Super Lawyers
2025
Super Lawyer, Super Lawyers
2024
Super Lawyer, Super Lawyers
2023
Super Lawyer, Super Lawyers
2022
Super Lawyer, Super Lawyers
2021
Super Lawyer, Super Lawyers
2020
Super Lawyer, Super Lawyers
2019
Top 40 Under 40, National Trial Lawyers Association
2019
Client's Choice Award, Avvo
2019
Top 40 under 40 Trial Attorney, American Institute of DUI/DWI Attorneys
2019
2019 Client Champion Silver, Martindale-Hubbell®
2018
Top 100 Trial Attorney, Top 100 Trial Attorney's
2017
10 best attorneys, American Institute of DUI/DWI Attorneys
2017
Top 10 under 40, National Academy of Criminal Defense Attorneys
2017
Client Satisfaction, American Institute of Legal Counsel
2017
Top 10 Attorney's, American Institute of Legal Counsel
2017
Top 40 under 40, National Trial Lawyers Association
2016
Top 40 under 40, National Trial Lawyers Association
2016
10 best Attorneys, American Institute of DUI/DWI Attorneys
2015
Clients' Choice Award, AVVO
2014
Client's Choice Award, AVVO
2014
Top Contributor, AVVO
2012
Property, CALI Awards
2012
Business Associations, CALI Awards
Work Experience
2017 - Present
Associate Attorney, Law Office Of David Michael Cantor
2015 - 2017
Associate Attorney, Schill Law Group
2014 - 2014
Bar Prep Coach, Arizona Summit School Of Law
2014 - 2015
Attorney, Guy Brown, PLLC
2011 - 2013
Teaching Assistant, Arizona Summit School Of Law
2011 - 2013
Associate Attorney/Law Clerk, Law Office of Benjamin Taylor
2011 - 2011
Law Clerk, Lowis & Gellen, LLP
Associations
2016 - Present
American Institute of DUI/DWI Attorneys10 Best Attorneys
2016 - Present
Top 100 Trial Attorney's
2015 - Present
National College of DUI DefenseGeneral Member
2014 - Present
National Football Players AssociationCertified NFL Agent
2014 - Present
National College of DUI DefenseMember
2014 - Present
Federal Bar AssociationAttorney
2014 - Present
National Association of Criminal Defense LawyersMember
Sample of Legal Cases
State v. AH
Case Dismissed with prejudice
State v. J.S.
Not Guilty Verdict All Charges
State v. Ms. P
Not Guilty Verdict All Charges
State v. G.B
Plea to reduced charge and charges dismissed
State V. Cheers
Not Guilty Verdict
State v. Krasny
Dismissed
State v. JK
Dismissed
AZ v. TH
Diversion plea offer
State v. BD
Aggravated DUI charges dismissed.
State v. SM
Reduced to Reckless Driving with no jail
State v. DB
Reduced to Class 2 Misdemeanor for criminal damage
AZ v. CD
Got charges reduced to a misdemeanor.
State v. NJ
Reduced to Reckless Driving
State v. M.F.
Criminal Speeding reduced to civil speeding.
Beasley v. B.T.
Not Guilty
State v. J.F.
Case Dismissed
State v. N.P.
Case Dismissed
State v. P.Z.
Case Dismissed
Education
2015
Top DUI Defense
Certificate
2015
National College For DUI Defense
Standardized Field Sobriety Tests
2014
State Bar of Arizona Course on Professionalism
Certificate
2014
Trying a case in Maricopa county? Practical suggestions from a judicial perspective
Certificate
2013
Arizona Summit Law School
JD - Juris Doctor
2009
Arizona State University
BA - Bachelor of Arts
Speaking Engagements
2015
Sports Agent
Business in Mixed Martial Arts
2015
Sports Agent
Contracts in sports
2015
Arizona State Lecture Series
DUI Prevention
2014
Arizona Summit Law Class
Criminal Law In The Real World
Publications
2016
12 News
Sentencing in Green Acre
2016
AZ Central
Green Acre Owners get stiffer sentence
2015
AZ Central
Maggie The Pig Stays Home
2015
2014
New York State Bar Association Journal
Chronic Traumatic Encephalopathy: The Developing Legal Case Against High School Football
Languages
Russian
English
Activity
Legal Answers
Legal Answers
Q&A
Do I need an attorney for a public urination court appearance that I think I plead guilty to and paid $50 already??
26 Aug 2014
Q&A
Is it aggravated obstruction of a highway when your unconscious in the road and your bicycle is off the road?
26 Aug 2014
Q&A
Can you consume alcohol while on House Arrest??
26 Aug 2014