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.
Business Law & More Attorney · Serving McLean, VA · 54+ Years Experience
Profile Summary
About John Patrick McMahon at a Glance
John Patrick McMahon is a Partner based in McLean, Virginia. They have 54+ years of legal experience, licensed to practice since 1972. Their practice focuses on business and government. 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). Active member of Oregon and Virginia State Bars American and Federal Bar Associations. Serves clients in McLean, VA and the surrounding metropolitan area.
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About 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
- John practices in McLean, VA
Practice Areas Explained
John Patrick McMahon's Areas of Legal Practice
Each practice area below reflects the types of cases John Patrick McMahon handles, with a practical overview of what that area of law involves and how it may apply to your situation in McLean.
Business & Corporate Law in McLean
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
John Patrick McMahon is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Virginia →
Government & Administrative Law in McLean
Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.
John Patrick McMahon is one of 131,162 government attorneys indexed nationally. Browse government attorneys in Virginia →
Jurisdictional Context
Why Local Counsel Matters in McLean
Practicing law in Virginia. Legal matters in Virginia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive 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 venue, and the substantive 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.
McLean Courts and Legal Process
Choosing a McLean-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional Virginia attorneys? Browse all attorneys in McLean or all attorneys in Virginia.
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Professional Profile
Why Clients in McLean Choose John Patrick McMahon
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish John Patrick McMahon's practice in the field of business and government.
Decade-Tested Legal Experience
John Patrick McMahon brings 54+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Multi-State Bar Admission
Licensed in Oregon and Virginia U.S. Court of Appeals for the Federal Circuit, John Patrick McMahon can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering business and government, John Patrick McMahon can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in McLean
A McLean-based practice means John Patrick McMahon attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues John Patrick McMahon Handles in McLean
Below is a representative sample of the types of matters John Patrick McMahon has experience with under Virginia law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact John Patrick McMahon directly to discuss the specifics of your situation.
Search Reference
How People Find John Patrick McMahon Online
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John Patrick McMahon's Practice Areas & Specializations
Education & Law School Background
Bar Admissions & Licensed Jurisdictions
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