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Atty. John Peter Mastando

Atty. John Peter Mastando

John Peter Mastando is a lawyer practicing class action, antitrust / trade law, bankruptcy / chapter 11 and 2 other areas of law. John received a B.A. degree from Columbia College in 1993, and has been licensed for 29 years.

New York New York 29 J. Erfahrung 29 year
Call (917) 672-1523 Book Appointment

Profile Summary

About John Peter Mastando at a glance

John Peter Mastando is a Litigation Partner based in New York, New York, practforg at Weil, Gotshal & Manges LLP. They haand 29+ years of legal experience, licensed to practice since 1997. Admitted to practice in New Jersey (1997) and New York U.S. Court of Appeals Second and Third Circuits U.S. District Court, Southern District of N (1997). Educated at Columbia University Law (J.D., 1996) and Columbia College (B.A., 1993). Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

Über uns

  • John Peter Mastando is a lawyer practicing class action, antitrust / trade law, bankruptcy / chapter 11 and 2 other areas of law
  • John received a B.A. degree from Columbia College in 1993, and has been licensed for 29 years
  • John practices at Weil, Gotshal & Manges LLP in New York, NY

Jurisdictional Context

Why local counsel matters in New York

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

Looking for additional New York attorneys? Browse all attorneys in New York or all attorneys in New York.

Frequently Asked

Common questions about John Peter Mastando

Where is John Peter Mastando's law office located?
John Peter Mastando's law practice is located in New York, New York. The firm is Weil, Gotshal & Manges LLP. You can contact the office directly through this profile page.
How long has John Peter Mastando practiced law?
John Peter Mastando has 29+ years of legal experience and has been licensed since 1997.
Where did John Peter Mastando go to law school?
John Peter Mastando earned their education at (J.D., 1996); (B.A., 1993).
How can I contact John Peter Mastando for a consultation?
You can contact John Peter Mastando 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.
Columbia University Law
- 1996
B.A.
Columbia College
- 1993

Bar Admissions

New Jersey
Admitted: 1997
New York U.S. Court of Appeals Second and Third Circuits U.S. District Court, Southern District of N
Admitted: 1997

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