Atty. John McGahren

Atty. John McGahren

John McGahren is a lawyer practicing environmental law, government contracts, commercial litigation and 2 other areas of law. John received a B.E. degree from Manhattan College, and has been licensed for 36 years.

Princeton Princeton 36 yrs experience 36 year
Call (609) 545-2825 Book Appointment

Profile Summary

About John McGahren at a glance

John McGahren is a personal injury, business, litigation, environmental, and government attorney based in Princeton, New Jersey. They have 36+ years of legal experience, licensed to practice since 1990. Admitted to practice in New Jersey (1990), New York (1992), West Virginia (1993), and District of Columbia U.S. Supreme Court and U.S. Court of Federal Claims U.S. Court of Appeals, Firs (1993). Educated at New York Law School (J.D., 1990) and Manhattan College B.E. Civil Engineering Manhattan College B.E. magna cum laude Manhattan College B.E. M.E. Manhattan College (Civil Engineering, 1986). Serands clients in Princeton, NJ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John McGahren is a lawyer practicing environmental law, government contracts, commercial litigation and 2 other areas of law
  • John received a B.E. degree from Manhattan College, and has been licensed for 36 years
  • John practices in Princeton, NJ

Practice Areas Explained

John McGahren's Areas of Practice

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

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

John McGahren is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in New Jersey →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

John McGahren is one of 501,317 business attorneys indexed nationally. Browse business attorneys in New Jersey →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

John McGahren is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in New Jersey →

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

John McGahren is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in New Jersey →

Government & Administrative Law

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

John McGahren is one of 132,225 government attorneys indexed nationally. Browse government attorneys in New Jersey →

Jurisdictional Context

Why local counsel matters in New Jersey

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

Looking for additional New Jersey attorneys? Browse all attorneys in Princeton or all attorneys in New Jersey.

Frequently Asked

Common questions about John McGahren

Where is John McGahren's law office located?
John McGahren's law practice is located in Princeton, New Jersey. You can contact the office directly through this profile page.
What practice areas does John McGahren handle?
John McGahren focuses on personal injury, business, litigation, environmental, government. Each practice area listed reflects experience handling cases of that type in New Jersey.
How long has John McGahren practiced law?
John McGahren has 36+ years of legal experience and has been licensed since 1990.
Where did John McGahren go to law school?
John McGahren earned their education at (J.D., 1990); (Civil Engineering, 1986).
How can I contact John McGahren for a consultation?
You can contact John McGahren 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.
New York Law School
- 1990
Civil Engineering
Manhattan College B.E. Civil Engineering Manhattan College B.E. magna cum laude Manhattan College B.E. M.E. Manhattan College
- 1986

Bar Admissions

New Jersey
Admitted: 1990
New York
Admitted: 1992
West Virginia
Admitted: 1993
District of Columbia U.S. Supreme Court and U.S. Court of Federal Claims U.S. Court of Appeals, Firs
Admitted: 1993

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