Atty. John David Heffernan

Atty. John David Heffernan

John David Heffernan is a lawyer practicing aviation law, transportation, regulatory law. John David received a B.A. degree from Trinity College of Dublin Ireland in 1985, and has been licensed for 29 years.

Washington Washington 29 yrs experience 29 year
Call (443) 563-3190 Book Appointment

Profile Summary

About John David Heffernan at a glance

John David Heffernan is a aviation attorney based in Washington, District of Columbia. They have 29+ years of legal experience, licensed to practice since 1997. Admitted to practice in District of Columbia District of Columbia Virginia (1997). Educated at Catholic University of America (J.D., 1996) and Trinity College of Dublin Ireland (B.A., 1985). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John David Heffernan is a lawyer practicing aviation law, transportation, regulatory law
  • John David received a B.A. degree from Trinity College of Dublin Ireland in 1985, and has been licensed for 29 years
  • John David practices in Washington, DC

Practice Areas Explained

John David Heffernan's Areas of Practice

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

Aviation Law

Aviation attorneys for aircraft accidents, FAA regulation, pilot defense, and aviation industry matters.

John David Heffernan is one of 9,225 aviation attorneys indexed nationally. Browse aviation attorneys in District of Columbia →

Jurisdictional Context

Why local counsel matters in District of Columbia

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

Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.

Frequently Asked

Common questions about John David Heffernan

Where is John David Heffernan's law office located?
John David Heffernan's law practice is located in Washington, District of Columbia. You can contact the office directly through this profile page.
What practice areas does John David Heffernan handle?
John David Heffernan focuses on aviation. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has John David Heffernan practiced law?
John David Heffernan has 29+ years of legal experience and has been licensed since 1997.
Where did John David Heffernan go to law school?
John David Heffernan earned their education at (J.D., 1996); (B.A., 1985).
How can I contact John David Heffernan for a consultation?
You can contact John David Heffernan 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.
Catholic University of America
- 1996
B.A.
Trinity College of Dublin Ireland
- 1985

Bar Admissions

District of Columbia District of Columbia Virginia
Admitted: 1997

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