Atty. John C. Grennell

Atty. John C. Grennell

John C. Grennell is a lawyer practicing marriage & prenuptials, criminal defense, family law and 3 other areas of law.

Angola Angola 42 Years Experience 42 year
Call (716) 586-2208

Profile Summary

About John C. Grennell at a glance

John C. Grennell is a Member based in Angola, New York, practicing at Law Office of John C. Grennell. They have 42+ years of legal experience, licensed to practice since 1984. Their practice focuses on criminal defense, family law, business, prenup, and government. Admitted to practice in New York (1984). Educated at University of Toledo (J.D., 1983) and Canisius College (B.A., 1977). Serves clients in Angola, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John C. Grennell is a lawyer practicing marriage & prenuptials, criminal defense, family law and 3 other areas of law
  • John received a B.A. degree from Canisius College in 1977, and has been licensed for 42 years
  • John practices at Law Office of John C. Grennell in Angola, NY

Practice Areas Explained

John C. Grennell's Areas of Practice

Each practice area below reflects the types of cases John C. Grennell 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 C. Grennell is one of 190,900 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in New York →

Family Law

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

John C. Grennell is one of 167,063 family law attorneys indexed nationally. Browse family law attorneys in New York →

Business & Corporate Law

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

John C. Grennell is one of 452,854 business attorneys indexed nationally. Browse business attorneys in New York →

Prenuptial & Postnuptial Agreements

John C. Grennell is one of 7,971 prenup attorneys indexed nationally. Browse prenup attorneys in New York →

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

John C. Grennell is one of 118,414 government attorneys indexed nationally. Browse government 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 Angola 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.

Looking for additional New York attorneys? Browse all attorneys in Angola or all attorneys in New York.

Frequently Asked

Common questions about John C. Grennell

Where is John C. Grennell's law office located?
John C. Grennell's law practice is located in Angola, New York. The firm is Law Office of John C. Grennell. You can contact the office directly through this profile page.
What practice areas does John C. Grennell handle?
John C. Grennell focuses on criminal defense, family law, business, prenup, government. Each practice area listed reflects experience handling cases of that type in New York.
How long has John C. Grennell practiced law?
John C. Grennell has 42+ years of legal experience and has been licensed since 1984.
Where did John C. Grennell go to law school?
John C. Grennell earned their education at (J.D., 1983); (B.A., 1977).
How can I contact John C. Grennell for a consultation?
You can contact John C. Grennell 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.
University of Toledo
- 1983
B.A.
Canisius College
- 1977

Bar Admissions

New York
Admitted: 1984

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