Mark Gavin Vaughan, Appellate Attorney in Locust Valley, New York
Over 30 years of legal practice · focused on Appellate, Consumer, and Personal Injury
AttorneyatShearer PC
Locust Valley, NY
Practicing appellate in Locust Valley since 1996.
- 30+
- Years practicing
- 5
- Bar admissions
Practices in
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Quick answer
Mark Gavin Vaughan is an attorney based in Locust Valley, NY. The practice focuses on Appellate, Consumer, and Personal Injury. Mark has over 30 years of legal experience. Currently practicing at Shearer PC.
- Based in
- Locust Valley, NY
- Experience
- over 30 years
- Known for
- Appellate · Consumer · Personal Injury
- Handles Appellate, Consumer, and Personal Injury matters from Locust Valley, NY.
- Over 30 years of practice as a licensed attorney.
About Mark Gavin Vaughan: Mark Gavin Vaughan is an attorney based in Locust Valley, NY. The practice focuses on Appellate, Consumer, and Personal Injury. Mark has over 30 years of legal experience. Currently practicing at Shearer PC.
Areas of practice
Legal matters Mark takes on
Mark concentrates on appellate, consumer, personal injury, and securities. Each area below outlines the kind of case Mark handles, typical outcomes to expect, and how the intake process starts.
Appellate
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Consumer
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Personal Injury
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Securities
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Appellate cases in Locust Valley, New York
Mark takes appellate matters in Locust Valley, 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 Mark agrees to represent you.
Consumer cases in Locust Valley, New York
Mark takes consumer matters in Locust Valley, 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 Mark agrees to represent you.
Personal Injury cases in Locust Valley, New York
Mark takes personal injury matters in Locust Valley, 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 Mark agrees to represent you.
Securities cases in Locust Valley, New York
Mark takes securities matters in Locust Valley, 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 Mark agrees to represent you.
Biography
Meet Mark Gavin Vaughan — appellate lawyer in Locust Valley
Mark Gavin Vaughan is an attorney based in Locust Valley, NY. The practice focuses on Appellate, Consumer, and Personal Injury. Mark has over 30 years of legal experience. Currently practicing at Shearer PC.
Mark Gavin Vaughan is a lawyer practicing securities / investment fraud, personal injury, appeals. Mark received a B.S. degree from St. John's University in 1992, and has been licensed for 30 years. Mark practices at Shearer PC in Locust Valley, NY.
Mark's approach to appellate cases
Mark Gavin Vaughan is a lawyer practicing securities / investment fraud, personal injury, appeals. Mark received a B.S. degree from St. John's University in 1992, and has been licensed for 30 years. Mark practices at Shearer PC in Locust Valley, NY.
The kind of cases Mark takes
Mark reviews new inquiries case-by-case for appellate, consumer, and personal injury matters in Locust Valley and the surrounding New York area.
Credentials
Education, bar admissions, and languages
St. John's University
J.D. · 1995
St. John's University
B.S. · 1992
Jurisdictions
Mark's state bar admissions
U.S. District Court,
1997 · ACTIVE
U.S. District Court,
1997 · ACTIVE
New Jersey
1996 · ACTIVE
U.S. District Court,
1996 · ACTIVE
New York
1996 · ACTIVE
Mark studied at J.D. in St. John's University and B.S. in St. John's University.
Law school and academic background
Mark completed J.D. in St. John's University and B.S. in St. John's University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Mark runs in New York is where that training gets applied to real client questions.
Locations
Mark Gavin Vaughan's office in Locust Valley
Mark's primary office is at 90 Forest Avenue, Locust Valley, NY, 11560. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Mark Gavin Vaughan
Mark has not yet collected verified client reviews on LawyersListed. Reviews here are all from confirmed clients; anonymous ratings are moderated out.
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Schedule your consultationHiring guide
How to hire Mark Gavin Vaughan — what to expect in your first consultation
Working with a new appellate attorney should feel structured. Here's how the first two conversations with Mark usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Mark charges for the initial consult. That fee is credited toward representation if you retain Mark'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; Mark will tell you what matters and what doesn't.
Questions to ask a appellate attorney in Locust Valley, 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 Mark
Mark 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. Mark confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Mark'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 Mark Gavin Vaughan
How much does it cost to hire Mark for a appellate case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Mark walks through the likely range during the consult so there are no surprises.
Does Mark offer a free consultation?
Mark charges for the initial consult; that fee is credited toward representation if you retain Mark's office. Some appellate attorneys offer free consults — check Mark'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. Mark gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Mark take my case if I'm outside Locust Valley?
Mark 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 — Mark 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 Mark?
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. Mark will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Mark accepting new appellate clients right now?
Mark'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 Locust Valley and Albany in New York
Mark 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 Mark's intake is full or the fit isn't right, these appellate attorneys in Locust Valley handle similar matters. Every profile below is verified and open to consultations.





