Atty. John Brian Hallagan

Atty. John Brian Hallagan

Mr. John Brian Hallagan is a lawyer practicing administrative law, food, drug and cosmetic regulation.

Washington Washington 41 yrs experience 41 year
Call (859) 456-5697 Book Appointment

Profile Summary

About John Brian Hallagan at a glance

John Brian Hallagan is a government attorney based in Washington, District of Columbia. They have 41+ years of legal experience, licensed to practice since 1985. Admitted to practice in Virginia (1985) and District of Columbia (1987). Educated at American University (J.D., 1984) and University of New Hampshire (B.S., 1978). Recognitions include BV Distinguished. Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. John Brian Hallagan is a lawyer practicing administrative law, food, drug and cosmetic regulation
  • John received a B.S. degree from University of New Hampshire in 1978, and has been licensed for 41 years
  • John practices in Washington, DC

Practice Areas Explained

John Brian Hallagan's Areas of Practice

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

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

John Brian Hallagan is one of 132,225 government attorneys indexed nationally. Browse government 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 Brian Hallagan

Where is John Brian Hallagan's law office located?
John Brian Hallagan'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 Brian Hallagan handle?
John Brian Hallagan focuses on government. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has John Brian Hallagan practiced law?
John Brian Hallagan has 41+ years of legal experience and has been licensed since 1985.
Where did John Brian Hallagan go to law school?
John Brian Hallagan earned their education at (J.D., 1984); (B.S., 1978).
How can I contact John Brian Hallagan for a consultation?
You can contact John Brian Hallagan 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 Brian Hallagan received?
John Brian Hallagan's notable recognition includes: BV Distinguished.

Education

J.D.
American University
- 1984
B.S.
University of New Hampshire
- 1978

Awards

BV Distinguished

Bar Admissions

Virginia
Admitted: 1985
District of Columbia
Admitted: 1987

Reviews

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