Dennis J. Alessi, ADR Attorney in Roseland, New Jersey
Over 50 years of legal practice · focused on ADR, Animal Law, and Employment · 5.0/5 rating from 1 verified client review
PartneratMandelbaum Barrett PC
Roseland New, NJ
Practicing adr in Roseland since 1976.
- 50+
- Years practicing
- 5.0 ★
- 1 client review
- 3
- Bar admissions
Practices in
Are you Dennis J. Alessi?
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Quick answer
Dennis J. Alessi is a partner based in Roseland, NJ. The practice focuses on ADR, Animal Law, and Employment. Dennis has over 50 years of legal experience. Currently practicing at Mandelbaum Barrett PC. Rated 5.0 out of 5 from 1 client review.
- Based in
- Roseland, NJ
- Experience
- over 50 years
- Known for
- ADR · Animal Law · Employment
- Handles ADR, Animal Law, and Employment matters from Roseland, NJ.
- Over 50 years of practice as a licensed attorney.
- Recognized with AV Preeminent.
About Dennis J. Alessi: Dennis J. Alessi is a partner based in Roseland, NJ. The practice focuses on ADR, Animal Law, and Employment. Dennis has over 50 years of legal experience. Currently practicing at Mandelbaum Barrett PC. Rated 5.0 out of 5 from 1 client review.
Areas of practice
Dennis's practice areas in Roseland
Dennis concentrates on adr, animal law, employment, general, and health care. Each area below outlines the kind of case Dennis handles, typical outcomes to expect, and how the intake process starts.
ADR
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Animal Law
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Employment
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General
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Health Care
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ADR cases in Roseland, New Jersey
Dennis takes adr matters in Roseland, New Jersey. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Dennis agrees to represent you.
Animal Law cases in Roseland, New Jersey
Dennis takes animal law matters in Roseland, New Jersey. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Dennis agrees to represent you.
Employment cases in Roseland, New Jersey
Dennis takes employment matters in Roseland, New Jersey. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Dennis agrees to represent you.
General cases in Roseland, New Jersey
Dennis takes general matters in Roseland, New Jersey. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Dennis agrees to represent you.
Health Care cases in Roseland, New Jersey
Dennis takes health care matters in Roseland, New Jersey. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Dennis agrees to represent you.
Biography
Dennis J. Alessi, adr attorney serving Roseland
Dennis J. Alessi is a partner based in Roseland, NJ. The practice focuses on ADR, Animal Law, and Employment. Dennis has over 50 years of legal experience. Currently practicing at Mandelbaum Barrett PC. Rated 5.0 out of 5 from 1 client review. Dennis works from Roseland, New Jersey and takes on adr matters across the region.
Dennis J. Alessi prides himself on anticipating the risks and opportunities of his Employer and Healthcare clients, while providing highly practical Compliance Counsel that moves the needle forward.
Dennis has more than 35 years of experience helping businesses manage their workforces, maintain compliance with federal and state employment laws, and address employee disputes and regulatory investigations. He also develops, implements and updates employment policies, handbooks, policies and forms, in addition to conducting educational seminars for managers on a wide range of issues, including ways to mitigate risk and manage disputes, in order to avoid litigation.
When litigation does arise, Dennis defends employers before the New Jersey Division on Civil Rights, the Equal Employment Opportunity Commission, and other federal and state employment regulatory agencies. He also regularly represents employers in wage and hour, discrimination, harassment, wrongful termination and whistleblower cases in New Jersey and New York’s federal and state courts, and in administrative law hearings and arbitrations.
Healthcare
A significant part of Dennis’ practice is devoted to counseling healthcare providers, professionals and businesses, including physicians, dentists, management and billing service providers, third party administrators, group purchasing organizations, labs and surgical centers. Leveraging more than two decades of industry experience, and a graduate certificate in healthcare law compliance, Dennis helps clients establish, structure and license their businesses, strike joint ventures and other professional arrangements, negotiate leasing and exclusive service agreements, and comply with the industry’s evolving regulations.
In addition, Dennis litigates and addresses complex healthcare matters in state and federal courts, and before administrative agencies, licensing boards and hospital fair hearing committees. The range of concerns he frequently deals with includes disputes stemming from medical group dissolutions, physician shareholder dismissals and employee lawsuits, as well as defending clients against allegations of insurance fraud, false claims and kickback schemes.
Dennis has been selected to the Best Lawyers in America® list since 2024.*
Working with Dennis on a adr matter
Dennis J. Alessi prides himself on anticipating the risks and opportunities of his Employer and Healthcare clients, while providing highly practical Compliance Counsel that moves the needle forward. Dennis has more than 35 years of experience helping businesses manage their workforces, maintain compliance with federal and state employment laws, and address employee disputes and regulatory…
Who Dennis represents
Dennis reviews new inquiries case-by-case for adr, animal law, and employment matters in Roseland and the surrounding New Jersey area.
Credentials
Credentials — where Dennis studied and practices
New England School of Law
J.D. New · 1976
College of William and Mary
B.A. Political · 1971
Jurisdictions
Dennis's state bar admissions
New York
1983 · ACTIVE
District of Columbia
1977 · ACTIVE
New Jersey
1976 · ACTIVE
Dennis studied at J.D. New in New England School of Law and B.A. Political in College of William and Mary.
Law school and academic background
Dennis completed J.D. New in New England School of Law and B.A. Political in College of William and Mary. Formal legal training is one signal of substantive knowledge — the day-to-day practice Dennis runs in New Jersey is where that training gets applied to real client questions.
Recognition
Dennis's legal honors and published work
Dennis has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
AV Preeminent
Legal awards and honors
AV Preeminent.
Locations
Dennis J. Alessi's office in Roseland
Dennis's primary office is at 3 Becker Farm Road, Suite 105, Roseland, NJ, 07068. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Dennis J. Alessi — 5.0/5 rating from 1 verified client review
Every review below is from a verified client of Dennis. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing adr attorneys in Roseland.
5.0
1 client review
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Dennis J. Alessi claims this profile.
Read all reviewsHiring guide
How to hire Dennis J. Alessi — what to expect in your first consultation
Working with a new adr attorney should feel structured. Here's how the first two conversations with Dennis usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Dennis charges for the initial consult. That fee is credited toward representation if you retain Dennis's office.
What to bring to your first meeting
Bring any documents you already have — police reports, medical records, filed pleadings, correspondence from an insurer, a copy of the contract at issue. If you're not sure, err on the side of bringing everything; Dennis will tell you what matters and what doesn't.
Questions to ask a adr attorney in Roseland, New Jersey
A short list to run through before you commit: How many adr matters have you handled in the last year? What's your fee structure? Who else in the office will work on this? What's your realistic estimate of timeline and range of outcomes? How do I reach you between meetings?
Fees & payment
Fees, payment methods, and consultation options for Dennis
Dennis discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in adr practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every adr matter is priced differently. Simple document review might be a flat fee. Injury litigation is often contingency. Complex commercial disputes usually run hourly with a retainer. Dennis confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Dennis's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many adr practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Dennis J. Alessi
How much does it cost to hire Dennis for a adr case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Dennis walks through the likely range during the consult so there are no surprises.
Does Dennis offer a free consultation?
Dennis charges for the initial consult; that fee is credited toward representation if you retain Dennis's office. Some adr attorneys offer free consults — check Dennis's current terms during booking.
How long do adr cases in New Jersey typically take?
Simple adr matters can wrap in a few weeks; disputed cases can run 6–18 months from intake to resolution, longer if the matter goes to trial. Dennis gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Dennis take my case if I'm outside Roseland?
Dennis is licensed in New Jersey. Matters governed by New Jersey law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Dennis will tell you if the case is a fit or refer you to someone closer to your court.
What should I bring to my first meeting with Dennis?
Bring every document that touches the dispute: contracts, correspondence, police or medical reports, filed pleadings, invoices, photographs, insurance letters. Also bring a written timeline of what happened, in your own words. Dennis will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Dennis accepting new adr clients right now?
Dennis's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
ADR attorneys serving Roseland, Trenton and Newark in New Jersey
Dennis handles adr matters throughout New Jersey. Each city below is a direct link into the search page for verified adr attorneys in that community.
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