Atty. John Gregory Griffin

Atty. John Gregory Griffin

John Gregory Griffin is a lawyer practicing criminal law, matrimonial law, real estate and 4 other areas of law. John received a B.A. degree from St.

Setauket Setauket 52 yrs experience 52 year
Call (631) 978-3354 Book Appointment

Profile Summary

About John Gregory Griffin at a glance

John Gregory Griffin is a Member based in Setauket, New York, practicing at John G. Griffin. They have 52+ years of legal experience, licensed to practice since 1974. Their practice focuses on wills, probate, criminal defense, family law, and business. Admitted to practice in New York (1974). Educated at St. John's University (J.D., 1973) and St. John's University (B.A., 1970). Recognitions include BV Distinguished. Serands clients in Setauket, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Gregory Griffin is a lawyer practicing criminal law, matrimonial law, real estate and 4 other areas of law
  • John received a B.A. degree from St. John's University in 1970, and has been licensed for 52 years
  • John practices at John G. Griffin in Setauket, NY

Practice Areas Explained

John Gregory Griffin's Areas of Practice

Each practice area below reflects the types of cases John Gregory Griffin handles, with a brief overview of what that area of law covers.

Wills

John Gregory Griffin is one of 34,541 wills attorneys indexed nationally. Browse wills attorneys in New York →

Probate

John Gregory Griffin is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in New York →

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

John Gregory Griffin is one of 214,271 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in New York →

Family Law

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

John Gregory Griffin is one of 187,066 family law attorneys indexed nationally. Browse family law attorneys in New York →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

John Gregory Griffin is one of 501,317 business attorneys indexed nationally. Browse business 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 Setauket 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 Setauket or all attorneys in New York.

Frequently Asked

Common questions about John Gregory Griffin

Where is John Gregory Griffin's law office located?
John Gregory Griffin's law practice is located in Setauket, New York. The firm is John G. Griffin. You can contact the office directly through this profile page.
What practice areas does John Gregory Griffin handle?
John Gregory Griffin focuses on wills, probate, criminal defense, family law, business. Each practice area listed reflects experience handling cases of that type in New York.
How long has John Gregory Griffin practiced law?
John Gregory Griffin has 52+ years of legal experience and has been licensed since 1974.
Where did John Gregory Griffin go to law school?
John Gregory Griffin earned their education at (J.D., 1973); (B.A., 1970).
How can I contact John Gregory Griffin for a consultation?
You can contact John Gregory Griffin 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.
What awards or recognition has John Gregory Griffin received?
John Gregory Griffin's notable recognition includes: BV Distinguished.

Education

J.D.
St. John's University
- 1973
B.A.
St. John's University
- 1970

Awards

BV Distinguished

Bar Admissions

New York
Admitted: 1974

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