Sean Mack, Appellate Attorney in Hackensack, New Jersey
Over 26 years of legal practice · focused on Appellate, Bankruptcy, and Business · 4.9/5 rating from 7 verified client reviews
MemberatPashman Stein Walder Hayden, PC
Hackensack, NJ
Practicing appellate in Hackensack since 2000.
- 26+
- Years practicing
- 4.9 ★
- 7 client reviews
- 8
- Bar admissions
Practices in
Are you Sean Mack?
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Quick answer
Sean Mack is a member based in Hackensack, NJ. The practice focuses on Appellate, Bankruptcy, and Business. Sean has over 26 years of legal experience. Currently practicing at Pashman Stein Walder Hayden, PC. Rated 4.9 out of 5 from 7 client reviews.
- Based in
- Hackensack, NJ
- Experience
- over 26 years
- Known for
- Appellate · Bankruptcy · Business
- Handles Appellate, Bankruptcy, and Business matters from Hackensack, NJ.
- Over 26 years of practice as a licensed attorney.
- Recognized with Peer Reviewed.
About Sean Mack: Sean Mack is a member based in Hackensack, NJ. The practice focuses on Appellate, Bankruptcy, and Business. Sean has over 26 years of legal experience. Currently practicing at Pashman Stein Walder Hayden, PC. Rated 4.9 out of 5 from 7 client reviews.
Areas of practice
Legal matters Sean takes on
Sean concentrates on appellate, bankruptcy, business, ip, and litigation. Each area below outlines the kind of case Sean handles, typical outcomes to expect, and how the intake process starts.
Appellate
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Bankruptcy
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Business
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IP
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Litigation
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Appellate cases in Hackensack, New Jersey
Sean takes appellate matters in Hackensack, 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 Sean agrees to represent you.
Bankruptcy cases in Hackensack, New Jersey
Sean takes bankruptcy matters in Hackensack, 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 Sean agrees to represent you.
Business cases in Hackensack, New Jersey
Sean takes business matters in Hackensack, 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 Sean agrees to represent you.
IP cases in Hackensack, New Jersey
Sean takes ip matters in Hackensack, 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 Sean agrees to represent you.
Litigation cases in Hackensack, New Jersey
Sean takes litigation matters in Hackensack, 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 Sean agrees to represent you.
Biography
Meet Sean Mack — appellate lawyer in Hackensack
Sean Mack is a member based in Hackensack, NJ. The practice focuses on Appellate, Bankruptcy, and Business. Sean has over 26 years of legal experience. Currently practicing at Pashman Stein Walder Hayden, PC. Rated 4.9 out of 5 from 7 client reviews.
Sean Mack is a lawyer practicing appellate practice, bankruptcy litigation, commercial litigation and 1 other area of law. Sean received a B.A. degree from College of the Holy Cross in 1995, and has been licensed for 26 years. Sean practices at Pashman Stein Walder Hayden, PC in Hackensack, NJ.
How Sean handles appellate matters
Sean Mack is a lawyer practicing appellate practice, bankruptcy litigation, commercial litigation and 1 other area of law. Sean received a B.A. degree from College of the Holy Cross in 1995, and has been licensed for 26 years. Sean practices at Pashman Stein Walder Hayden, PC in Hackensack, NJ.
Who Sean represents
Sean reviews new inquiries case-by-case for appellate, bankruptcy, and business matters in Hackensack and the surrounding New Jersey area.
Credentials
Education, bar admissions, and languages
Rutgers University School of Law
J.D. · 1999
College of the Holy Cross
B.A. Political · 1995
Jurisdictions
Sean's state bar admissions
U.S. Court of Appeal
2005 · ACTIVE
U.S. Court of Appeal
2004 · ACTIVE
U.S. Court of Appeal
2003 · ACTIVE
U.S. District Court,
2002 · ACTIVE
U.S. District Court,
2001 · ACTIVE
U.S. District Court,
2000 · ACTIVE
New York
2000 · ACTIVE
New Jersey
2000 · ACTIVE
Sean studied at J.D. in Rutgers University School of Law and B.A. Political in College of the Holy Cross.
Law school and academic background
Sean completed J.D. in Rutgers University School of Law and B.A. Political in College of the Holy Cross. Formal legal training is one signal of substantive knowledge — the day-to-day practice Sean runs in New Jersey is where that training gets applied to real client questions.
Recognition
Recognition and thought leadership
Sean has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
Peer Reviewed
Legal awards and honors
Peer Reviewed.
Affiliations
Sean's professional memberships and bar associations
American Health Lawyers Association New Jersey State Bar Association
membership
Locations
Sean Mack's office in Hackensack
Sean's primary office is at 21 Main Street, Suite 200, Hackensack, NJ, 07601. In-person meetings are by appointment; a phone intake usually comes first.
Pashman Stein Walder Hayden, PC
21 Main Street, Suite 200
Hackensack, NJ 07601
Open in Google MapsClient feedback
Client reviews of Sean Mack — 4.9/5 rating from 7 verified client reviews
Every review below is from a verified client of Sean. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing appellate attorneys in Hackensack.
4.9
7 client reviews
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Sean Mack claims this profile.
Read all reviewsHiring guide
How to hire Sean Mack — what to expect in your first consultation
Working with a new appellate attorney should feel structured. Here's how the first two conversations with Sean usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Sean charges for the initial consult. That fee is credited toward representation if you retain Sean'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; Sean will tell you what matters and what doesn't.
Questions to ask a appellate attorney in Hackensack, New Jersey
A short list to run through before you commit: How many appellate 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 Sean
Sean discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in appellate practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every appellate 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. Sean confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Sean's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many appellate practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Sean Mack
How much does it cost to hire Sean for a appellate case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Sean walks through the likely range during the consult so there are no surprises.
Does Sean offer a free consultation?
Sean charges for the initial consult; that fee is credited toward representation if you retain Sean's office. Some appellate attorneys offer free consults — check Sean's current terms during booking.
How long do appellate cases in New Jersey typically take?
Simple appellate 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. Sean gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Sean take my case if I'm outside Hackensack?
Sean 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 — Sean 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 Sean?
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. Sean will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Sean accepting new appellate clients right now?
Sean's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
Appellate attorneys serving Hackensack, Trenton and Newark in New Jersey
Sean handles appellate matters throughout New Jersey. Each city below is a direct link into the search page for verified appellate attorneys in that community.
More counsel
Other top-rated appellate attorneys in New Jersey
If Sean's intake is full or the fit isn't right, these appellate attorneys in Hackensack handle similar matters. Every profile below is verified and open to consultations.





