Atty. Leonard J. Cooper

Atty. Leonard J. Cooper

Leonard J. Cooper is a lawyer practicing tax, business law.

Philadelphia Philadelphia 63 yrs experience 63 year
Call (484) 502-1247 Book Appointment

Profile Summary

About Leonard J. Cooper at a glance

Leonard J. Cooper is an Of Counsel based in Philadelphia, Pennsylvania, practicing at Cozen O'Connor. They have 63+ years of legal experience, licensed to practice since 1963. Their practice focuses on business and tax. Admitted to practice in Pennsylvania (1963) and New York (1981). Educated at Temple University Law School (LL.M. University, 1964) and University of Pennsylvania A.B. magna cum laude (—). Recognitions include AV Preeminent. Active member of Philadelphia (Chairman, Probate and Trust Law Section, 1990 Member, Board of Governors, Judicial Selection Committee, 1990) and Pennsylvania (Chairman, Real Property, Probate and Trust Law Section, 1991-1992) Bar Associations. Serands clients in Philadelphia, PA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Leonard J. Cooper is a lawyer practicing tax, business law
  • Leonard received a degree from University of Pennsylvania, and has been licensed for 63 years
  • Leonard practices at Cozen O'Connor in Philadelphia, PA

Practice Areas Explained

Leonard J. Cooper's Areas of Practice

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

Business & Corporate Law

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

Leonard J. Cooper is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Pennsylvania →

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Leonard J. Cooper is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in Pennsylvania →

Jurisdictional Context

Why local counsel matters in Pennsylvania

Practicing law in Pennsylvania. Legal matters in Pennsylvania are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Philadelphia are typically filed in the local municipal court or the appropriate Pennsylvania state district court, depending on subject matter and amount in controversy. An attorney licensed in Pennsylvania 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 Pennsylvania courts without local counsel or pro hac vice admission.

Looking for additional Pennsylvania attorneys? Browse all attorneys in Philadelphia or all attorneys in Pennsylvania.

Frequently Asked

Common questions about Leonard J. Cooper

Where is Leonard J. Cooper's law office located?
Leonard J. Cooper's law practice is located in Philadelphia, Pennsylvania. The firm is Cozen O'Connor. You can contact the office directly through this profile page.
What practice areas does Leonard J. Cooper handle?
Leonard J. Cooper focuses on business, tax. Each practice area listed reflects experience handling cases of that type in Pennsylvania.
How long has Leonard J. Cooper practiced law?
Leonard J. Cooper has 63+ years of legal experience and has been licensed since 1963.
Where did Leonard J. Cooper go to law school?
Leonard J. Cooper earned their education at (LL.M. University, 1964); (—).
How can I contact Leonard J. Cooper for a consultation?
You can contact Leonard J. Cooper 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 Leonard J. Cooper received?
Leonard J. Cooper's notable recognition includes: AV Preeminent.

Practice Areas

Education

LL.M. University
Temple University Law School
- 1964
University of Pennsylvania A.B. magna cum laude
- In Progress

Awards

AV Preeminent

Bar Admissions

Pennsylvania
Admitted: 1963
New York
Admitted: 1981

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