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Dennis Shlionsky is a Partner with the firm’s Accidents/Personal Injury Practice Group.
Born, reared, and educated in the Garden State, Dennis has spent his entire career representing ordinary people injured through no fault of their own. His practice handles personal injury cases of every kind and complexity across all 21 New Jersey counties, ranging from car, motorcycle, truck and rideshare accidents to falls on public or private property, Tort Claims Act cases against government entities, broker malpractice, wrongful death claims, and other catastrophic injury cases.
Dennis recognizes the value of a timely resolution, but he does not hesitate to take a case to trial when the circumstances demand it – an approach that has produced more than $50 million in recoveries against insurers and corporations that refuse to fairly compensate families affected by life-altering circumstances.
He takes pride in his caring, empathetic approach – building trusted relationships with his clients and their families while working diligently to help them obtain the compensation they deserve. With extensive experience guiding people through the legal system, Dennis remains responsive and accessible to his clients, answering questions, providing regular updates, and offering support at every stage – from initial consultation through treatment and final resolution.
Dennis’ results and advocacy have earned consistent recognition from the legal industry. He has been recognized in Best Lawyers: Ones to Watch in America® in 2023, 2024, 2025, and 2026 in the Personal Injury Litigation – Plaintiffs category. He has also been listed as a “Rising Star” by New Jersey Super Lawyers from 2019 through 2026.
Dennis was included in ALM’s 2022 Northeast Top Verdicts & Settlements list for his work on a motor vehicle settlement in Bergen County and has been awarded the AVVO Client’s Choice Award from 2021 through 2025. He was certified as a member of the Million Dollar Advocates Forum in 2026.
In August 2023, The New Jersey Law Journal published his article, “The Evidence Speaks for Itself: A Proposal for the Amendment of Rule 4:14-9.”
Dennis began his career as a General Equity Law Clerk to the Honorable Margaret Goodzeit in the New Jersey Superior Court for Warren, Somerset, and Hunterdon Counties. He went on to practice at established New Jersey litigation firms before joining Einhorn, Barbarito, Frost, Botwinick, Nunn & Musmanno. He is also a former court-appointed mediator, resolving 96% of the matters he mediated.
Having lost his mother to lymphoma as a teenager, Dennis volunteers actively for The Leukemia & Lymphoma Society. He has been recognized by the Eric Neisser Public Interest Program for contributing to several pro bono ventures, and he has provided pro bono bankruptcy and other assistance to New Jersey and Minnesota’s underrepresented poor and low-income communities through the Morris Stern Bankruptcy Project and Justice Foundation’s Criminal Expungement Clinic.
Dennis is a proud husband and father to his son and daughter. In his spare time, he appreciates coffee, bad puns, reading, and spending time with his family.
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Chat withState: New Jersey
Acquired: 2017
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4 Campus Drive, Suite 300, Parsippany, NJ, 07054
48 Client Reviews
Showing 21 - 25 of 48 reviews
Posted by Chidi | March 08, 2024 | Hired Attorney | Personal Injury
Injured Motorist
I want to take a moment to share my wonderful experience with Mr. Dennis Shlionsky in a difficult situation. I suffered from back pain for many years when I was in an accident on my way to work. It was the last thing I needed. The other driver’s insurance company told me to kick rocks because of...
Posted by Gilceli | November 17, 2023 | Hired Attorney | Personal Injury
Best of the best!!
I am writing this review to show my gratitude for the work Dennis Shlionsky and the firm did in regards to my case. Dennis is a friend that I've known for more than 30 years. I've never needed his services, until I was rearended while visiting family in Connecticut. From start to finish, Dennis...
Posted by Carmen | October 30, 2023 | Hired Attorney | Trucking Accident
Best Experience Ever
Thank you, Mr. Shlionsky, for following through on your word to me and my family. I was sideswiped by a truck on the GWB a few days after Christmas in 2021. I was still in the holiday spirit and felt bad for the truck driver, so we did not call the police. I found out later that the driver or tr...
Posted by Gayk | October 30, 2023 | Hired Attorney | Personal Injury
Professional. Helpful . Perfect
I want to take a moment to share my experience with Dennis Shlionsky, who stood by me after my accident. My name is Gayk , and I was making a delivery to a local church when I was hit by another car driving the opposite way on the street. The accident left me with serious injuries, and I had no i...
Posted by Sean | June 26, 2023 | Hired Attorney | Personal Injury
Highly recommended
I was a passenger in a car on the highway that got hit at a high speed. I had broke my foot the month before but after the accident it was much worse. The insurance company challenged my claim and completely ignored me. Thankfully Dennis Shlionsky and his firm helped me prove it. What stood out to me...
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2026
Ones to Watch, Best Lawyers in America
2026
Selected for inclusion as a "Rising Star", New Jersey Super Lawyers Magazine
2025
Clients' Choice Award, Avvo
2025
Ones to Watch, Best Lawyers in America
2025
Selected for inclusion as a "Rising Star", New Jersey Super Lawyers Magazine
2024
Clients' Choice Award, Avvo
2024
Ones to Watch, Best Lawyers in America
2024
Selected for inclusion as a "Rising Star", New Jersey Super Lawyers Magazine
2023
"Top Lawyers 2023", Morris/Essex Health & Life Magazine's · Jul 2023
2023
Ones to Watch, Best Lawyers in America
2023
Selected for inclusion as a "Rising Star", New Jersey Super Lawyers Magazine
2023
Clients' Choice Award, Avvo
2022
Ones to Watch, Best Lawyers in America
2022
Selected for inclusion as a "Rising Star", New Jersey Super Lawyers Magazine
2022
Clients' Choice Award, Avvo
2021
Clients' Choice Award, Avvo
2021
Selected for inclusion as a "Rising Star", New Jersey Super Lawyers Magazine
2020
Selected for inclusion as a "Rising Star", New Jersey Super Lawyers Magazine
2019
Selected for inclusion as a "Rising Star", New Jersey Super Lawyers Magazine
2023 - Present
Partner, Einhorn, Barbarito, Frost & Botwinick, PC
2025 - Present
Morris County Bar AssociationMember
2015 - Present
New Jersey Association for JusticeMember
2015 - Present
New Jersey Bar AssociationMember
2014 - Present
Phi Alpha DeltaMember
$1,300,000
$1,500,000
$1,230,000
2016
JD - Juris Doctor
2013
B.A.
2023
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