William John Brennan, Appellate Attorney in Buffalo, New York
Over 32 years of legal practice · focused on Appellate, Business, and Class Action · 5.0/5 rating from 1 verified client review
PartneratPhillips Lytle LLP
Buffalo, NY
Practicing appellate in Buffalo since 1994.
- 32+
- Years practicing
- 5.0 ★
- 1 client review
- 1
- Bar admission
Are you William John Brennan?
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Quick answer
William John Brennan is a partner based in Buffalo, NY. The practice focuses on Appellate, Business, and Class Action. William has over 32 years of legal experience. Currently practicing at Phillips Lytle LLP. Rated 5.0 out of 5 from 1 client review.
- Based in
- Buffalo, NY
- Experience
- over 32 years
- Known for
- Appellate · Business · Class Action
- Handles Appellate, Business, and Class Action matters from Buffalo, NY.
- Over 32 years of practice as a licensed attorney.
- Recognized with AV Preeminent.
About William John Brennan: William John Brennan is a partner based in Buffalo, NY. The practice focuses on Appellate, Business, and Class Action. William has over 32 years of legal experience. Currently practicing at Phillips Lytle LLP. Rated 5.0 out of 5 from 1 client review.
Areas of practice
Legal matters William takes on
William concentrates on appellate, business, class action, construction, and contracts. Each area below outlines the kind of case William handles, typical outcomes to expect, and how the intake process starts.
Appellate
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Business
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Class Action
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Construction
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Contracts
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Federal Crimes
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Government
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Insurance
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Litigation
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Breach of Contract
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Appellate cases in Buffalo, New York
William takes appellate matters in Buffalo, 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 William agrees to represent you.
Business cases in Buffalo, New York
William takes business matters in Buffalo, 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 William agrees to represent you.
Class Action cases in Buffalo, New York
William takes class action matters in Buffalo, 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 William agrees to represent you.
Construction cases in Buffalo, New York
William takes construction matters in Buffalo, 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 William agrees to represent you.
Contracts cases in Buffalo, New York
William takes contracts matters in Buffalo, 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 William agrees to represent you.
Biography
Meet William John Brennan — appellate lawyer in Buffalo
William John Brennan is a partner based in Buffalo, NY. The practice focuses on Appellate, Business, and Class Action. William has over 32 years of legal experience. Currently practicing at Phillips Lytle LLP. Rated 5.0 out of 5 from 1 client review.
William John Brennan is a lawyer practicing commercial, appeals, business & commercial litigation and 9 other areas of law. William received a degree from Thomas M Cooley Law, and has been licensed for 32 years. William practices at Phillips Lytle LLP in Buffalo, NY.
William's approach to appellate cases
William John Brennan is a lawyer practicing commercial, appeals, business & commercial litigation and 9 other areas of law. William received a degree from Thomas M Cooley Law, and has been licensed for 32 years. William practices at Phillips Lytle LLP in Buffalo, NY.
Clients William works with
William reviews new inquiries case-by-case for appellate, business, and class action matters in Buffalo and the surrounding New York area.
Credentials
Education, bar admissions, and languages
Fordham University School Of Law
J.D. · 1976
Thomas M Cooley Law University Of Notre Dame
B.A. · 1968
Jurisdictions
William's state bar admissions
New York US Court of
1994 · ACTIVE
William studied at J.D. in Fordham University School Of Law and B.A. in Thomas M Cooley Law University Of Notre Dame.
Law school and academic background
William completed J.D. in Fordham University School Of Law and B.A. in Thomas M Cooley Law University Of Notre Dame. Formal legal training is one signal of substantive knowledge — the day-to-day practice William runs in New York is where that training gets applied to real client questions.
Recognition
Recognition and thought leadership
William has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
AV Preeminent
Legal awards and honors
AV Preeminent.
Locations
William John Brennan's office in Buffalo
William's primary office is at One Canalside, 125 Main Street, Buffalo, NY, 14203-2887. In-person meetings are by appointment; a phone intake usually comes first.
Phillips Lytle LLP
One Canalside, 125 Main Street
Buffalo, NY 14203-2887
Open in Google MapsClient feedback
Client reviews of William John Brennan — 5.0/5 rating from 1 verified client review
Every review below is from a verified client of William. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing appellate attorneys in Buffalo.
5.0
1 client review
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once William John Brennan claims this profile.
Read all reviewsHiring guide
How to hire William John Brennan — what to expect in your first consultation
Working with a new appellate attorney should feel structured. Here's how the first two conversations with William usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
William charges for the initial consult. That fee is credited toward representation if you retain William'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; William will tell you what matters and what doesn't.
Questions to ask a appellate attorney in Buffalo, 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 William
William 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. William confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
William'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 William John Brennan
How much does it cost to hire William for a appellate case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. William walks through the likely range during the consult so there are no surprises.
Does William offer a free consultation?
William charges for the initial consult; that fee is credited toward representation if you retain William's office. Some appellate attorneys offer free consults — check William'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. William gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can William take my case if I'm outside Buffalo?
William 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 — William 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 William?
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. William will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is William accepting new appellate clients right now?
William'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 Buffalo and Albany in New York
William handles appellate matters throughout New York. 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 York
If William's intake is full or the fit isn't right, these appellate attorneys in Buffalo handle similar matters. Every profile below is verified and open to consultations.





