Atty. Guy T. Petrillo

Atty. Guy T. Petrillo

Guy T. Petrillo is a lawyer practicing civil and criminal litigation, antitrust proceedings, regulatory enforcement matters and 7 other areas of law.

New York New York 39 yrs experience 39 year
Call (929) 605-1790 Book Appointment

Profile Summary

About Guy T. Petrillo at a glance

Guy T. Petrillo is a Member based in New York, New York, practicing at Petrillo Klein LLP. They have 39+ years of legal experience, licensed to practice since 1987. Their practice focuses on trusts, criminal defense, business, bankruptcy, and adr. Admitted to practice in New York (1987), U.S. District Court, Southern District of New York (1987), U.S. District Court, Eastern District of New York (1987), and U.S. Court of Appeals, Second Circuit (1993). Educated at New York University School of Law (J.D., 1986) and Massachusetts Institute of Technology (S.B. Massachusetts, 1982). Recognitions include AV Preeminent. Active member of The Association of the Bar of the City of New York. Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Guy T. Petrillo is a lawyer practicing civil and criminal litigation, antitrust proceedings, regulatory enforcement matters and 7 other areas of law
  • Guy received a S.B. degree from Massachusetts Institute of Technology in 1982, and has been licensed for 39 years
  • Guy practices at Petrillo Klein LLP in New York, NY

Practice Areas Explained

Guy T. Petrillo's Areas of Practice

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

Trusts

Guy T. Petrillo is one of 104,172 trusts attorneys indexed nationally. Browse trusts attorneys in New York →

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

Guy T. Petrillo is one of 214,271 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in New York →

Business & Corporate Law

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

Guy T. Petrillo is one of 501,317 business attorneys indexed nationally. Browse business attorneys in New York →

Bankruptcy & Debt

A bankruptcy attorney can help you eliminate debt, stop creditor harassment, and protect your home through Chapter 7 or Chapter 13.

Guy T. Petrillo is one of 105,321 bankruptcy attorneys indexed nationally. Browse bankruptcy attorneys in New York →

Mediation & Arbitration

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

Guy T. Petrillo is one of 73,906 adr attorneys indexed nationally. Browse adr 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 Guy T. Petrillo

Where is Guy T. Petrillo's law office located?
Guy T. Petrillo's law practice is located in New York, New York. The firm is Petrillo Klein LLP. You can contact the office directly through this profile page.
What practice areas does Guy T. Petrillo handle?
Guy T. Petrillo focuses on trusts, criminal defense, business, bankruptcy, adr. Each practice area listed reflects experience handling cases of that type in New York.
How long has Guy T. Petrillo practiced law?
Guy T. Petrillo has 39+ years of legal experience and has been licensed since 1987.
Where did Guy T. Petrillo go to law school?
Guy T. Petrillo earned their education at (J.D., 1986); (S.B. Massachusetts, 1982).
How can I contact Guy T. Petrillo for a consultation?
You can contact Guy T. Petrillo 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 Guy T. Petrillo received?
Guy T. Petrillo's notable recognition includes: AV Preeminent.

Education

J.D.
New York University School of Law
- 1986
S.B. Massachusetts
Massachusetts Institute of Technology
- 1982

Awards

AV Preeminent

Bar Admissions

New York
Admitted: 1987
U.S. District Court, Southern District of New York
Admitted: 1987
U.S. District Court, Eastern District of New York
Admitted: 1987
U.S. Court of Appeals, Second Circuit
Admitted: 1993
U.S. Court of Appeals, Seventh Circuit
Admitted: 1999
U.S. Court of Appeals, Fourth Circuit
Admitted: 2000

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