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Atty. John Gerard Gannon

Atty. John Gerard Gannon

John Gerard Gannon is a lawyer. John received a B.A. degree from Brown University in 1984, and has been licensed for 37 years.

Watertown Watertown 37 yrs experience 37 year
Call (857) 416-9478 Book Appointment

Profile Summary

About John Gerard Gannon at a glance

John Gerard Gannon is a Tax Coun. based in Watertown, Massachusetts. They have 37+ years of legal experience, licensed to practice since 1989. Admitted to practice in Massachusetts (1989) and U.S. District Court, District of Massachusetts (1992). Educated at Suffolk University Law School (J.D., 1989) and Brown University (B.A., 1984). Recognitions include Peer Reviewed. Active member of Massachusetts and American Bar Associations. Serands clients in Watertown, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Gerard Gannon is a lawyer
  • John received a B.A. degree from Brown University in 1984, and has been licensed for 37 years
  • John practices in Watertown, MA

Jurisdictional Context

Why local counsel matters in Massachusetts

Practicing law in Massachusetts. Legal matters in Massachusetts are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Watertown are typically filed in the local municipal court or the appropriate Massachusetts state district court, depending on subject matter and amount in controversy. An attorney licensed in Massachusetts 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 Massachusetts courts without local counsel or pro hac vice admission.

Looking for additional Massachusetts attorneys? Browse all attorneys in Watertown or all attorneys in Massachusetts.

Frequently Asked

Common questions about John Gerard Gannon

Where is John Gerard Gannon's law office located?
John Gerard Gannon's law practice is located in Watertown, Massachusetts. You can contact the office directly through this profile page.
How long has John Gerard Gannon practiced law?
John Gerard Gannon has 37+ years of legal experience and has been licensed since 1989.
Where did John Gerard Gannon go to law school?
John Gerard Gannon earned their education at (J.D., 1989); (B.A., 1984).
How can I contact John Gerard Gannon for a consultation?
You can contact John Gerard Gannon 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 Gerard Gannon received?
John Gerard Gannon's notable recognition includes: Peer Reviewed.

Education

J.D.
Suffolk University Law School
- 1989
B.A.
Brown University
- 1984

Awards

Peer Reviewed

Bar Admissions

Massachusetts
Admitted: 1989
U.S. District Court, District of Massachusetts
Admitted: 1992

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