Atty. Guy Petrillo
Guy is a Fellow of the American College of Trial Lawyers. He represents clients in civil and criminal litigation and investigations, regulatory enforcement matters, antitrust proceedings and independent investigations.
Profile Summary
About Guy Petrillo at a glance
Guy Petrillo is a criminal defense and white collar attorney based in New York, New York, practicing at Petrillo Klein & Boxer LLP. Educated at New York University (J.D., 1987). Recognitions include Lawyer of the Year — Criminal Defense: White-Collar (New York City) (2026) and Best Lawyers in America — Criminal Defense: White-Collar (2026). Serves clients in New York, NY and the surrounding metropolitan area.
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About
- Guy is a Fellow of the American College of Trial Lawyers
- He represents clients in civil and criminal litigation and investigations, regulatory enforcement matters, antitrust proceedings and independent investigations
- He has also served as an arbitrator and as counsel in commercial arbitrations, bankruptcy court matters, including trustee and examiner investigations and adversary actions, and in mediations
- Guy was named as a Best Lawyers 2026 ‘Lawyer of the Year’ for Criminal Defense: White-Collar in New York City and is recognized in Band One of Chambers USA, White Collar Defense
Practice Areas Explained
Guy Petrillo's Areas of Practice
Each practice area below reflects the types of cases Guy Petrillo handles, with a brief overview of what that area of law covers.
A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.
Guy Petrillo is one of 190,900 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in New York →
Guy Petrillo is one of 18,196 white collar attorneys indexed nationally. Browse white collar 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 venue, 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.
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