Atty. John Martin Diaz

Atty. John Martin Diaz

John Martin Diaz is a lawyer practicing securities litigation, class actions. John received a B.S. degree from John Jay College of Criminal Justice of the City University of New York in 1995, and has been licensed for 23 years.

New York New York 23 yrs experience 23 year
Call (347) 428-0711 Book Appointment

Profile Summary

About John Martin Diaz at a glance

John Martin Diaz is a class action and litigation attorney based in New York, New York. They have 23+ years of legal experience, licensed to practice since 2003. Admitted to practice in New York (2003), U.S. District Court, Eastern District of New York (2004), and U.S. District Court, Southern District of New York (2004). Educated at John Jay College of Criminal Justice of the City University of New York (B.S., 1995) and New York Law School J.D. with honors New York Law School J.D. 2002 Articles Editor New York Law School J.D. New York Law School Law Review (—). Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Martin Diaz is a lawyer practicing securities litigation, class actions
  • John received a B.S. degree from John Jay College of Criminal Justice of the City University of New York in 1995, and has been licensed for 23 years
  • John practices in New York, NY

Practice Areas Explained

John Martin Diaz's Areas of Practice

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

Class Action

John Martin Diaz is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in New York →

Civil Litigation

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

John Martin Diaz is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in New York →

Jurisdictional Context

Why local counsel matters in New York

Practicing law in New York. Legal matters in New York are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive 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 substantive 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 Martin Diaz

Where is John Martin Diaz's law office located?
John Martin Diaz's law practice is located in New York, New York. You can contact the office directly through this profile page.
What practice areas does John Martin Diaz handle?
John Martin Diaz focuses on class action, litigation. Each practice area listed reflects experience handling cases of that type in New York.
How long has John Martin Diaz practiced law?
John Martin Diaz has 23+ years of legal experience and has been licensed since 2003.
Where did John Martin Diaz go to law school?
John Martin Diaz earned their education at (B.S., 1995); (—).
How can I contact John Martin Diaz for a consultation?
You can contact John Martin Diaz 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

B.S.
John Jay College of Criminal Justice of the City University of New York
- 1995
New York Law School J.D. with honors New York Law School J.D. 2002 Articles Editor New York Law School J.D. New York Law School Law Review
- In Progress

Bar Admissions

New York
Admitted: 2003
U.S. District Court, Eastern District of New York
Admitted: 2004
U.S. District Court, Southern District of New York
Admitted: 2004

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