Atty. John Patrick McMahon

Atty. John Patrick McMahon

John Patrick McMahon is a lawyer practicing government contract law, government contracts, business law and 1 other area of law. John received a B.A. degree from University of Portland in 1964, and has been licensed for 54 years.

McLean McLean 54 yrs experience 54 year
Call (571) 545-4442 Book Appointment

Profile Summary

About John Patrick McMahon at a glance

John Patrick McMahon is a Partner based in McLean, Virginia. They haand 54+ years of legal experience, licensed to practice since 1972. Admitted to practice in Oregon (1972) and Virginia U.S. Court of Appeals for the Federal Circuit (1986). Educated at Willamette University (J.D., 1972) and University of Portland (B.A., 1964). Actiand member of Oregon and Virginia State Bars American and Federal Bar Associations. Serands clients in McLean, VA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Patrick McMahon is a lawyer practicing government contract law, government contracts, business law and 1 other area of law
  • John received a B.A. degree from University of Portland in 1964, and has been licensed for 54 years
  • John practices in McLean, VA

Jurisdictional Context

Why local counsel matters in Virginia

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

Looking for additional Virginia attorneys? Browse all attorneys in McLean or all attorneys in Virginia.

Frequently Asked

Common questions about John Patrick McMahon

Where is John Patrick McMahon's law office located?
John Patrick McMahon's law practice is located in McLean, Virginia. You can contact the office directly through this profile page.
How long has John Patrick McMahon practiced law?
John Patrick McMahon has 54+ years of legal experience and has been licensed since 1972.
Where did John Patrick McMahon go to law school?
John Patrick McMahon earned their education at (J.D., 1972); (B.A., 1964).
How can I contact John Patrick McMahon for a consultation?
You can contact John Patrick McMahon 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.
Willamette University
- 1972
B.A.
University of Portland
- 1964

Bar Admissions

Oregon
Admitted: 1972
Virginia U.S. Court of Appeals for the Federal Circuit
Admitted: 1986

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