Atty. John H. Gionis

Atty. John H. Gionis

John H. Gionis is a lawyer practicing criminal defense, litigation, criminal law.

East Meadow East Meadow 43 yrs experience 43 year
Call (363) 205-1994 Book Appointment

Profile Summary

About John H. Gionis at a glance

John H. Gionis is a Partner based in East Meadow, New York, practicing at Certilman Balin Adler & Hyman, LLP. They have 43+ years of legal experience, licensed to practice since 1983. Their practice focuses on criminal defense and litigation. Admitted to practice in New York U.S. District Court, Eastern District of New York U.S. District Court, Southern District of (1983). Educated at California Western School of Law (J.D., 1982) and State University of New York at Albany (B.A. English, 1977). Recognitions include AV Preeminent. Active member of Nassau County, Suffolk County, New York State and American Bar Associations. Serands clients in East Meadow, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John H. Gionis is a lawyer practicing criminal defense, litigation, criminal law
  • John received a B.A. degree from State University of New York at Albany in 1977, and has been licensed for 43 years
  • John practices at Certilman Balin Adler & Hyman, LLP in East Meadow, NY

Practice Areas Explained

John H. Gionis's Areas of Practice

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

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.

John H. Gionis is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in New York →

Civil Litigation

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

John H. Gionis 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 East Meadow 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 East Meadow or all attorneys in New York.

Frequently Asked

Common questions about John H. Gionis

Where is John H. Gionis's law office located?
John H. Gionis's law practice is located in East Meadow, New York. The firm is Certilman Balin Adler & Hyman, LLP. You can contact the office directly through this profile page.
What practice areas does John H. Gionis handle?
John H. Gionis focuses on criminal defense, litigation. Each practice area listed reflects experience handling cases of that type in New York.
How long has John H. Gionis practiced law?
John H. Gionis has 43+ years of legal experience and has been licensed since 1983.
Where did John H. Gionis go to law school?
John H. Gionis earned their education at (J.D., 1982); (B.A. English, 1977).
How can I contact John H. Gionis for a consultation?
You can contact John H. Gionis 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 John H. Gionis received?
John H. Gionis's notable recognition includes: AV Preeminent.

Education

J.D.
California Western School of Law
- 1982
B.A. English
State University of New York at Albany
- 1977

Awards

AV Preeminent

Bar Admissions

New York U.S. District Court, Eastern District of New York U.S. District Court, Southern District of
Admitted: 1983

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