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Atty. Mark A. Onesi

Atty. Mark A. Onesi

Mark A. Onesi is a lawyer.

Niagara Falls Niagara Falls 49 yrs experience 49 year
Call (716) 507-4695 Book Appointment

Profile Summary

About Mark A. Onesi at a glance

Mark A. Onesi is an attorney based in Niagara Falls, New York. They have 49+ years of legal experience, licensed to practice since 1977. Admitted to practice in Georgia (Inactive) (1977). Educated at John Marshall Law School J.D. (—). Serands clients in Niagara Falls, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

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About

  • Mark A. Onesi is a lawyer
  • Mark has been licensed for 49 years
  • Mark practices in Niagara Falls, NY

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 Niagara Falls 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 Niagara Falls or all attorneys in New York.

Frequently Asked

Common questions about Mark A. Onesi

Where is Mark A. Onesi's law office located?
Mark A. Onesi's law practice is located in Niagara Falls, New York. You can contact the office directly through this profile page.
How long has Mark A. Onesi practiced law?
Mark A. Onesi has 49+ years of legal experience and has been licensed since 1977.
Where did Mark A. Onesi go to law school?
Mark A. Onesi earned their education at (—).
How can I contact Mark A. Onesi for a consultation?
You can contact Mark A. Onesi 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

—
John Marshall Law School J.D.
- In Progress

Bar Admissions

Georgia (Inactive)
Admitted: 1977

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