Atty. John D. D'Ercole

Atty. John D. D'Ercole

John D’Ercole focuses his practice on federal and state complex commercial litigation matters. John regularly counsels clients on litigation of matters involving complex commercial contracts, employment (wage & hour), partnership, real estate, insurance coverage, antitrust, securities, RICO, and intellectual property (patent and trademark) matters.

New York New York 40 yrs experience 40 year
Call (917) 473-1355 Email Book Appointment

Profile Summary

About John D. D'Ercole at a glance

John D. D'Ercole is a Partner based in New York, New York, practicing at Leech Tishman. They have 40+ years of legal experience, licensed to practice since 1986. Their practice focuses on litigation, adr, and appellate. Admitted to practice in New York U.S. District Court, Southern District of New York U.S. District Court, Eastern District of (1986). Educated at Brooklyn Law School (J.D., 1985) and Fordham University (B.S., 1981). Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John D’Ercole focuses his practice on federal and state complex commercial litigation matters
  • John regularly counsels clients on litigation of matters involving complex commercial contracts, employment (wage & hour), partnership, real estate, insurance coverage, antitrust, securities, RICO, and intellectual property (patent and trademark) matters
  • He has tried cases in both the state and federal courts of New York and also has extensive appellate experience in these courts
  • During the course of his career, John has been involved in several notable cases including: • In The Matter of Duty Free Shops Arbitration (arbitration of multibillion dollar shareholder dispute involving the sale of Duty Free Shops to Louis Vuitton) • Grupo SIT v
  • AT&T Communications, Inc. and Harris Corp. (action for breach of contract and fraud involving defendants’ sale of a satellite telecommunications system in Mexico) • Barr Laboratories v
  • Abbott Laboratories (federal jury trial and appeal of claim by generic manufacturer charging branded manufacturer with monopolization of market for erythromycin drugs) • Automobile Club of New York, Inc. v
  • Port Authority of New York (federal bench trial and appeal in action to lower bridge tolls on Port Authority bridges and tunnels) • AAA Carting & Rubbish Removal, Inc. v
  • Town of Southeast (argument in New York Court of Appeals resulting in landmark holding preventing municipalities from relying upon subjective criteria in awarding contracts that must be competitively bid)

Practice Areas Explained

John D. D'Ercole's Areas of Practice

Each practice area below reflects the types of cases John D. D'Ercole 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.

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Mediation & Arbitration

Mediators and arbitrators for civil, commercial, family, and employment dispute resolution.

John D. D'Ercole is one of 73,906 adr attorneys indexed nationally. Browse adr attorneys in New York →

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

John D. D'Ercole is one of 86,319 appellate attorneys indexed nationally. Browse appellate 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 D. D'Ercole

Where is John D. D'Ercole's law office located?
John D. D'Ercole's law practice is located in New York, New York. The firm is Leech Tishman. You can contact the office directly through this profile page.
What practice areas does John D. D'Ercole handle?
John D. D'Ercole focuses on litigation, adr, appellate. Each practice area listed reflects experience handling cases of that type in New York.
How long has John D. D'Ercole practiced law?
John D. D'Ercole has 40+ years of legal experience and has been licensed since 1986.
Where did John D. D'Ercole go to law school?
John D. D'Ercole earned their education at (J.D., 1985); (B.S., 1981).
How can I contact John D. D'Ercole for a consultation?
You can contact John D. D'Ercole 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.
Brooklyn Law School
- 1985
B.S.
Fordham University
- 1981

Bar Admissions

New York U.S. District Court, Southern District of New York U.S. District Court, Eastern District of
Admitted: 1986

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