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also known as Erwin Legal Group
Stefan J. Erwin, Esq. is the Managing Member of Erwin Legal Group, a New Jersey trial practice in Union focused on criminal defense and civil litigation. He is admitted to practice in New Jersey, New York and the United States District Courts.
Stefan earned two Bachelor of Arts degrees, in Political Science and Criminal Justice, from Rutgers University and his J.D. from Rutgers School of Law in 2012, where he was a Marshall-Brennan Constitutional Literacy Project fellow and founded a community gardening initiative serving low-income residents of Camden. After law school he clerked for the Hon. James Hely in the Superior Court of New Jersey, Law Division.
He then served for nearly seven years as an Assistant Deputy Public Defender. In the Special Hearings Unit he represented clients statewide in post-conviction proceedings, including Megan's Law and Community and Parole Supervision for Life matters, from inception through agency and appellate review. In the Monmouth County Trial Unit he defended clients charged with serious felonies, litigating motions to suppress and to dismiss and trying cases before juries.
In private practice he represented several of New Jersey's largest municipalities in civil rights, police misconduct and employment litigation, then practiced commercial litigation, and later served as Associate General Counsel to a multi-state cannabis operator.
Today the firm represents clients in criminal and municipal court matters, DWI and traffic offenses, Megan's Law proceedings, expungements, firearms appeals, and civil and business litigation throughout New Jersey.
Stefan was included in the Super Lawyers New Jersey Rising Stars list for 2025, 2026 and 2027. Rising Stars is published by Thomson Reuters; the selection methodology is described at superlawyers.com/about/selection-process. No aspect of this advertisement has been approved by the Supreme Court of New Jersey.
We have not found any cost information for this lawyer
State: New York
Acquired: 2013
No misconduct found
State: New Jersey
Acquired: 2012
No misconduct found
1435 Morris Avenue, Suite 2F, Union, NJ, 07083
3 Client Reviews
Showing 1 - 3 of 3 reviews
Posted by Desarmes | March 31, 2026 | Hired Attorney
He’s very funny .
He is very friendly & honest I would recommend this lawyer to someone who has a license problem or having a civil matter in court.-he’s good and very practical.
Posted by David | July 04, 2024 | Hired Attorney
The guy is a winner!
Mr. Erwin is determined, resourceful, and diligent. He was very well prepared, and in the court room, he shines. He won my case for me, and I can't think of a better lawyer to have in your corner, especially if you're fighting for your life. I cannot recommend Mr. Erwin enough.
Posted by David | April 17, 2024
Excellence
Excellent lawyer. I am very satisfied with his services. Would most definitely recommend Mr. Stefan to anyone
"I highly endorse this lawyer. Mr. Erwin is an elite attorney in his field, with a brilliant legal mind that sets him apart from his adversaries and peers. He is extremely intelligent, devoted to his clients, and known for his sharp trial advocacy skills. Mr. Erwin is relentlessly dedicated to the pursuit of truth, fairness, and justice. He will work tirelessly to ensure that his clients’ interests and liberties are protected. And, while doing so, he will always exercise an exceptional level of compassion, care, and enthusiasm. With high confidence, I would recommend his services."
"I have known Stefan for many years and have seen him appear in court on numerous occasions. He is extremely bright, hard working and strongly advocates for his clients. I would highly recommend him to anyone and feel very confident that they were in good hands."
"Mr. Erwin is a well respected lawyer in the community. I had the opportunity to work in the same office as Mr. Erwin for several years. Mr. Erwin is a zealous advocate for his clients. I would highly recommend his services."
"Stefan is an amazing attorney. He is intelligent, professional and compassionate. I would highly recommend his services to anyone who needs help!"
Violent crime lawyer
Criminal defense lawyer
Criminal defense lawyer
Workers compensation lawyer
2027
Included in the New Jersey Rising Stars list, Super Lawyers (Thomson Reuters)
2026
Included in the New Jersey Rising Stars list, Super Lawyers (Thomson Reuters)
2025
Included in the New Jersey Rising Stars list, Super Lawyers (Thomson Reuters)
2023 - Present
Managing Member, Erwin Legal Group
2022 - 2023
Associate General Counsel, CannTech, LLC
2021 - 2022
Trial Attorney, Ansell Grimm & Aaron, P.C.
2020 - 2021
Associate, Lite DePalma Greenberg, LLC
2013 - 2020
Assistant Deputy Public Defender, New Jersey Office of the Public Defender
2012 - 2013
Law Clerk to the Hon. James Hely, J.S.C., Superior Court of New Jersey, Union County
Member
2012
J.D.
2009
Political Science
2009
Criminal Justice
English
French
Creole