Atty. John Leo Opar

Atty. John Leo Opar

John Leo Opar is a lawyer practicing real estate, construction & development, insurance. John received a B.A. degree from Swarthmore College in 1977, and has been licensed for 45 years.

New York New York 45 yrs experience 45 year
Call (602) 562-5483 Book Appointment

Profile Summary

About John Leo Opar at a glance

John Leo Opar is a Member based in New York, New York, practicing at Shearman & Sterling LLP. They have 45+ years of legal experience, licensed to practice since 1981. Their practice focuses on real estate and insurance. Admitted to practice in New York (1981). Educated at University of Pennsylvania (J.D., 1980) and Swarthmore College (B.A., 1977). Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Leo Opar is a lawyer practicing real estate, construction & development, insurance
  • John received a B.A. degree from Swarthmore College in 1977, and has been licensed for 45 years
  • John practices at Shearman & Sterling LLP in New York, NY

Practice Areas Explained

John Leo Opar's Areas of Practice

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

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

John Leo Opar is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in New York →

Insurance Law

Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.

John Leo Opar is one of 121,912 insurance attorneys indexed nationally. Browse insurance 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 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 New York or all attorneys in New York.

Frequently Asked

Common questions about John Leo Opar

Where is John Leo Opar's law office located?
John Leo Opar's law practice is located in New York, New York. The firm is Shearman & Sterling LLP. You can contact the office directly through this profile page.
What practice areas does John Leo Opar handle?
John Leo Opar focuses on real estate, insurance. Each practice area listed reflects experience handling cases of that type in New York.
How long has John Leo Opar practiced law?
John Leo Opar has 45+ years of legal experience and has been licensed since 1981.
Where did John Leo Opar go to law school?
John Leo Opar earned their education at (J.D., 1980); (B.A., 1977).
How can I contact John Leo Opar for a consultation?
You can contact John Leo Opar 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 Pennsylvania
- 1980
B.A.
Swarthmore College
- 1977

Bar Admissions

New York
Admitted: 1981

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