Atty. John C Massaro

Atty. John C Massaro

Mr. John C Massaro is a lawyer practicing litigation.

Washington Washington 33 yrs experience 33 year
Call (202) 738-1866 Book Appointment

Profile Summary

About John C Massaro at a glance

John C Massaro is a Partner based in Washington, District of Columbia, practicing at Arnold And Porter Llp. They have 33+ years of legal experience, licensed to practice since 1993. Their practice focuses on litigation. Admitted to practice in Connecticut (1993), New York (1993), and District of Columbia (1994). Educated at Harvard University (J.D., 1992) and Williams College (B.A., 1989). Recognitions include Peer Reviewed. Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. John C Massaro is a lawyer practicing litigation
  • John received a B.A. degree from Williams College in 1989, and has been licensed for 33 years
  • John practices at Arnold & Porter LLP in Washington, DC

Practice Areas Explained

John C Massaro's Areas of Practice

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

Civil Litigation

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

John C Massaro is one of 454,532 litigation attorneys indexed nationally. Browse litigation 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 C Massaro

Where is John C Massaro's law office located?
John C Massaro's law practice is located in Washington, District of Columbia. The firm is Arnold And Porter Llp. You can contact the office directly through this profile page.
What practice areas does John C Massaro handle?
John C Massaro focuses on litigation. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has John C Massaro practiced law?
John C Massaro has 33+ years of legal experience and has been licensed since 1993.
Where did John C Massaro go to law school?
John C Massaro earned their education at (J.D., 1992); (B.A., 1989).
How can I contact John C Massaro for a consultation?
You can contact John C Massaro 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 C Massaro received?
John C Massaro's notable recognition includes: Peer Reviewed.

Practice Areas

Education

J.D.
Harvard University
- 1992
B.A.
Williams College
- 1989

Awards

Peer Reviewed

Bar Admissions

Connecticut
Admitted: 1993
New York
Admitted: 1993
District of Columbia
Admitted: 1994

Reviews

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