Atty. John J. Barnosky

Atty. John J. Barnosky

John Barnosky is a trusts and estates lawyer advising families, individuals, banks, foundations, and other institutions. Jack handles the full range of estate planning, probate and administration, as well as taxation matters.

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Profile Summary

About John J. Barnosky at a glance

John J. Barnosky is a trusts attorney based in Uniondale, New York, practicing at Farrell Fritz PC. Admitted to practice in United States, Supreme Court, United States, Tax Court, and New York, United States. Educated at St. John's University (J.D., 1967) and Assumption College (—, 1964). Recognitions include Best Lawyers in America — Litigation - Trusts and Estates (2026), Best Lawyers in America — Trusts and Estates (2026), and Best Lawyers in America — Special Focus: (2026). Serands clients in Uniondale, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Barnosky is a trusts and estates lawyer advising families, individuals, banks, foundations, and other institutions
  • Jack handles the full range of estate planning, probate and administration, as well as taxation matters
  • John also represents clients in litigated trusts and estates matters, including will contests, disputes over the validity of trusts, contested accounting proceedings, and tax disputes before the Surrogate’s Courts and other courts throughout New York
  • A longtime leader in his field, Jack is a frequent lecturer at New York State Bar Association seminars on trusts and estates topics
  • He is also a contributor to Farrell Fritz’s New York Trusts & Estates Litigation blog and has published articles in the New York Law Journal, The Nassau Lawyer, and the Journal of the Suffolk Academy of Law
  • Jack is a co-author of the treatise, “Revocable Trusts,” published by Thomson West, and has written sections of Warren’s Heaton on Surrogate’s Court Practice
  • Jack is also a former adjunct law professor at Touro Law School

Practice Areas Explained

John J. Barnosky's Areas of Practice

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

Trusts

John J. Barnosky is one of 104,171 trusts attorneys indexed nationally. Browse trusts 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 Uniondale 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 Uniondale or all attorneys in New York.

Frequently Asked

Common questions about John J. Barnosky

Where is John J. Barnosky's law office located?
John J. Barnosky's law practice is located in Uniondale, New York. The firm is Farrell Fritz PC. You can contact the office directly through this profile page.
What practice areas does John J. Barnosky handle?
John J. Barnosky focuses on trusts. Each practice area listed reflects experience handling cases of that type in New York.
Where did John J. Barnosky go to law school?
John J. Barnosky earned their education at (J.D., 1967); (—, 1964).
How can I contact John J. Barnosky for a consultation?
You can contact John J. Barnosky 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 J. Barnosky received?
John J. Barnosky's notable recognition includes: Best Lawyers in America — Litigation - Trusts and Estates; Best Lawyers in America — Trusts and Estates; Best Lawyers in America — Special Focus:; Best Lawyers in America — Appellate; Best Lawyers in America — Estate Planning.

Education

J.D.
St. John's University
- 1967
Assumption College
- 1964

Awards

Best Lawyers in America — Litigation - Trusts and Estates
- 2026
Best Lawyers in America — Trusts and Estates
- 2026
Best Lawyers in America — Special Focus:
- 2026
Best Lawyers in America — Appellate
- 2026
Best Lawyers in America — Estate Planning
- 2026
Best Lawyers in America — Fiduciary Duties
- 2026
Best Lawyers in America — Litigation
- 2026
Best Lawyers in America — Nonprofit Organizations and Charitable Giving
- 2026
Best Lawyers in America — Planning for Closely Held Businesses
- 2026
Best Lawyers in America — Probate
- 2026
Best Lawyers in America — Succession Planning
- 2026
Best Lawyers in America — Tax
- 2026
Best Lawyers in America — Awards:
- 2026
Best Lawyers in America — AV Preeminent Martindale-Hubbell Peer Review Rating
- 2026
Best Lawyers in America — The Best Lawyers in America (Litigation - Trusts & Estates; Trusts & Estates), annually since 1999
- 2026
Best Lawyers in America — New York Metro Super Lawyers list (Estate & Trust Litigation), 2007-2016
- 2026
Best Lawyers in America — Best Trusts & Estates Lawyers in America, American Lawyer, November 2004
- 2026
Best Lawyers in America — The Best Lawyers in the U.S., 2008
- 2026
Best Lawyers in America — Leading Individual, NY Private Wealth: Disputes, Chambers High Net Worth
- 2026
Best Lawyers in America — The Best Lawyers in America "Lawyer of the Year," 2017
- 2026
Lawyer of the Year — Litigation - Trusts and Estates (Long Island)
- 2025
Lawyer of the Year — Litigation - Trusts and Estates (Long Island)
- 2020
Lawyer of the Year — Trusts and Estates (Long Island)
- 2018
Lawyer of the Year — Litigation - Trusts and Estates (Long Island)
- 2017

Bar Admissions

United States, Supreme Court
United States, Tax Court
New York, United States

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