Patricia Hennessey, Appellate Attorney in New York
Over 46 years of legal practice · focused on Appellate, Family Law, and General · 5.0/5 rating from 1 verified client review
PartneratAronson Mayefsky & Sloan, LLP
New, NY
Practicing appellate in New York since 1980.
- 46+
- Years practicing
- 5.0 ★
- 1 client review
- 5
- Bar admissions
Practices in
Are you Patricia Hennessey?
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Quick answer
Patricia Hennessey is a partner based in New York, NY. The practice focuses on Appellate, Family Law, and General. Patricia has over 46 years of legal experience. Currently practicing at Aronson Mayefsky & Sloan, LLP. Rated 5.0 out of 5 from 1 client review.
- Based in
- New York, NY
- Experience
- over 46 years
- Known for
- Appellate · Family Law · General
- Handles Appellate, Family Law, and General matters from New York, NY.
- Over 46 years of practice as a licensed attorney.
- Recognized with AV Preeminent.
About Patricia Hennessey: Patricia Hennessey is a partner based in New York, NY. The practice focuses on Appellate, Family Law, and General. Patricia has over 46 years of legal experience. Currently practicing at Aronson Mayefsky & Sloan, LLP. Rated 5.0 out of 5 from 1 client review.
Areas of practice
Practice areas handled by Patricia Hennessey
Patricia concentrates on appellate, family law, and general. Each area below outlines the kind of case Patricia handles, typical outcomes to expect, and how the intake process starts.
Appellate
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Family Law
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General
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Appellate cases in New York
Patricia takes appellate matters in New York. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Patricia agrees to represent you.
Family Law cases in New York
Patricia takes family law matters in New York. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Patricia agrees to represent you.
General cases in New York
Patricia takes general matters in New York. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Patricia agrees to represent you.
Biography
About Patricia Hennessey — Over 46 years of New York appellate experience
Patricia Hennessey is a partner based in New York, NY. The practice focuses on Appellate, Family Law, and General. Patricia has over 46 years of legal experience. Currently practicing at Aronson Mayefsky & Sloan, LLP. Rated 5.0 out of 5 from 1 client review.
For the past 27 years, Patricia Hennessey has earned the respect of her clients, adversaries, colleagues and matrimonial judges as one of the pre‑eminent matrimonial trial and appellate lawyers in the New York metropolitan area.
Since 1987, she has tried and argued appeals in numerous cases involving complex equitable distribution and support issues and emotional and delicate issues involving child custody. She is particularly respected for the calm and wise counsel that permits her to settle the large majority of her matters without extensive court involvement.
A 1979 New York University Law School graduate, where she achieved the rare and doubly prestigious honors as both a Root‑Tilden Scholar and Arthur Garfield Hays Civil Liberties Fellow, Ms. Hennessey began her career as federal court antitrust litigator at Kaye Scholar Fierman Hays & Handler, before turning her full attention to matrimonial and family law in 1987. She is a 1976 graduate of Hampshire College and was the first director of the Civil Liberties and Public Policy Program at Hampshire in the early 1980s. She has several publications in matrimonial law, including as the co‑author of “Is The Law Male?”, Chicago‑Kent L. Rev. (1994) with NYU Law Professor Sylvia Law and “Valuation of Property in Marital Dissolutions,” 23 ABA Family Law Quarterly 339.
Ms. Hennessey has been an adjunct professor at New York University School of Law, Columbia University Law School and Cardozo Law School. She has lectured at widely bar associations, (including at the annual meeting of the American Bar Association) and at law schools, including Yale, Columbia and New York University. She has served as Co‑Chair of the Matrimonial Committee of the Westchester Women’s Bar Association. She has achieved an “AV Preeminent” rating from Martindale Hubbell, the highest possible rating in legal ability and ethical standards every year for more than 11 years.
How Patricia handles appellate matters
For the past 27 years, Patricia Hennessey has earned the respect of her clients, adversaries, colleagues and matrimonial judges as one of the pre‑eminent matrimonial trial and appellate lawyers in the New York metropolitan area. Since 1987, she has tried and argued appeals in numerous cases involving complex equitable distribution and support issues and emotional and delicate issues involving…
The kind of cases Patricia takes
Patricia reviews new inquiries case-by-case for appellate, family law, and general matters across New York.
Credentials
Patricia Hennessey's legal education and bar admissions
New York University School of Law
J.D. · 1979
Hampshire College
B.A. · 1976
Jurisdictions
Patricia's state bar admissions
U.S. Tax Court
1987 · ACTIVE
U.S. Court of Appeal
1986 · ACTIVE
New York
1980 · ACTIVE
U.S. District Court,
1980 · ACTIVE
U.S. District Court,
1980 · ACTIVE
Patricia studied at J.D. in New York University School of Law and B.A. in Hampshire College.
Law school and academic background
Patricia completed J.D. in New York University School of Law and B.A. in Hampshire College. Formal legal training is one signal of substantive knowledge — the day-to-day practice Patricia runs in New York is where that training gets applied to real client questions.
Recognition
Awards, publications, and recognition of Patricia Hennessey
Patricia has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
AV Preeminent
Legal awards and honors
AV Preeminent.
Affiliations
Patricia's professional memberships and bar associations
The Association of the Bar of the City of New York New York State, County and American Bar Associations National Institute of Trial Advocacy Westchester Women's Bar Association
membership
Locations
Patricia Hennessey's office in New York
Patricia's primary office is at 12 East 49th Street, 32nd Floor, New York, NY, 10017. In-person meetings are by appointment; a phone intake usually comes first.
Aronson Mayefsky & Sloan, LLP
12 East 49th Street, 32nd Floor
New York, NY 10017
Open in Google MapsClient feedback
Client reviews of Patricia Hennessey — 5.0/5 rating from 1 verified client review
Every review below is from a verified client of Patricia. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing appellate attorneys in New York.
5.0
1 client review
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Patricia Hennessey claims this profile.
Read all reviewsHiring guide
How to hire Patricia Hennessey — what to expect in your first consultation
Working with a new appellate attorney should feel structured. Here's how the first two conversations with Patricia usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Patricia charges for the initial consult. That fee is credited toward representation if you retain Patricia'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; Patricia will tell you what matters and what doesn't.
Questions to ask a appellate attorney in New York
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 Patricia
Patricia 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. Patricia confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Patricia'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 Patricia Hennessey
How much does it cost to hire Patricia for a appellate case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Patricia walks through the likely range during the consult so there are no surprises.
Does Patricia offer a free consultation?
Patricia charges for the initial consult; that fee is credited toward representation if you retain Patricia's office. Some appellate attorneys offer free consults — check Patricia's current terms during booking.
How long do appellate cases in New York 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. Patricia gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Patricia take my case if I'm outside New York?
Patricia is licensed in New York. Matters governed by New York law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Patricia 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 Patricia?
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. Patricia will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Patricia accepting new appellate clients right now?
Patricia'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 Albany and Brooklyn in New York
Patricia handles appellate matters throughout New York. Each city below is a direct link into the search page for verified appellate attorneys in that community.
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