Atty. Mark Gavin Vaughan

Atty. Mark Gavin Vaughan

Mark Gavin Vaughan is a lawyer practicing securities / investment fraud, personal injury, appeals. Mark received a B.S. degree from St.

Locust Valley Locust Valley 30 yrs experience 30 year
Call (363) 333-2432 Book Appointment

Profile Summary

About Mark Gavin Vaughan at a glance

Mark Gavin Vaughan is an Attorney based in Locust Valley, New York, practicing at Shearer PC. They have 30+ years of legal experience, licensed to practice since 1996. Their practice focuses on personal injury, securities, consumer, and appellate. Admitted to practice in New Jersey (1996), U.S. District Court, District of New Jersey and New York (1996), New York (1996), and U.S. District Court, Southern District of New York (1997). Educated at St. John's University (J.D., 1995) and St. John's University (B.S., 1992). Serands clients in Locust Valley, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • 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

Practice Areas Explained

Mark Gavin Vaughan's Areas of Practice

Each practice area below reflects the types of cases Mark Gavin Vaughan handles, with a brief overview of what that area of law covers.

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Mark Gavin Vaughan is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in New York →

Securities Law

Mark Gavin Vaughan is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in New York →

Consumer Protection

Consumer protection attorneys for fraud, lemon law, debt harassment, and deceptive trade practices.

Mark Gavin Vaughan is one of 50,607 consumer attorneys indexed nationally. Browse consumer attorneys in New York →

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

Mark Gavin Vaughan is one of 86,319 appellate attorneys indexed nationally. Browse appellate attorneys in New York →

Jurisdictional Context

Why local counsel matters in New York

Practicing law in New York. Legal matters in New York are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Locust Valley are typically filed in the local municipal court or the appropriate New York state district court, depending on subject matter and amount in controversy. An attorney licensed in New York brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in New York courts without local counsel or pro hac vice admission.

Looking for additional New York attorneys? Browse all attorneys in Locust Valley or all attorneys in New York.

Frequently Asked

Common questions about Mark Gavin Vaughan

Where is Mark Gavin Vaughan's law office located?
Mark Gavin Vaughan's law practice is located in Locust Valley, New York. The firm is Shearer PC. You can contact the office directly through this profile page.
What practice areas does Mark Gavin Vaughan handle?
Mark Gavin Vaughan focuses on personal injury, securities, consumer, appellate. Each practice area listed reflects experience handling cases of that type in New York.
How long has Mark Gavin Vaughan practiced law?
Mark Gavin Vaughan has 30+ years of legal experience and has been licensed since 1996.
Where did Mark Gavin Vaughan go to law school?
Mark Gavin Vaughan earned their education at (J.D., 1995); (B.S., 1992).
How can I contact Mark Gavin Vaughan for a consultation?
You can contact Mark Gavin Vaughan directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
St. John's University
- 1995
B.S.
St. John's University
- 1992

Bar Admissions

New Jersey
Admitted: 1996
U.S. District Court, District of New Jersey and New York
Admitted: 1996
New York
Admitted: 1996
U.S. District Court, Southern District of New York
Admitted: 1997
U.S. District Court, Eastern District of New York
Admitted: 1997

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