Atty. William Joseph Leonard

Atty. William Joseph Leonard

William Joseph Leonard is a lawyer practicing litigation, appellate, commercial litigation and 11 other areas of law. William received a B.S. degree from Drexel University in 1981, and has been licensed for 42 years.

Philadelphia Philadelphia 42 yrs experience 42 year
Call (215) 351-5817 Book Appointment

Profile Summary

About William Joseph Leonard at a glance

William Joseph Leonard is a Partner based in Philadelphia, Pennsylvania, practicing at Obermayer Rebmann Maxwell & Hippel LLP. They have 42+ years of legal experience, licensed to practice since 1984. Their practice focuses on business, real estate, class action, zoning, and construction. Admitted to practice in Pennsylvania Supreme Court United States Supreme Court United States Court of Appeals for the Third (1984), Illinois (1994), and Indiana (2001). Educated at The Dickinson School of Law (J.D., 1984) and Drexel University (B.S., 1981). Recognitions include AV Preeminent. Serands clients in Philadelphia, PA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William Joseph Leonard is a lawyer practicing litigation, appellate, commercial litigation and 11 other areas of law
  • William received a B.S. degree from Drexel University in 1981, and has been licensed for 42 years
  • William practices at Obermayer Rebmann Maxwell & Hippel LLP in Philadelphia, PA

Practice Areas Explained

William Joseph Leonard's Areas of Practice

Each practice area below reflects the types of cases William Joseph Leonard 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.

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

Real Estate Law

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

William Joseph Leonard is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Pennsylvania →

Class Action

William Joseph Leonard is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in Pennsylvania →

Land Use & Zoning

William Joseph Leonard is one of 40,226 zoning attorneys indexed nationally. Browse zoning attorneys in Pennsylvania →

Construction Law

William Joseph Leonard is one of 40,689 construction attorneys indexed nationally. Browse construction 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 William Joseph Leonard

Where is William Joseph Leonard's law office located?
William Joseph Leonard's law practice is located in Philadelphia, Pennsylvania. The firm is Obermayer Rebmann Maxwell & Hippel LLP. You can contact the office directly through this profile page.
What practice areas does William Joseph Leonard handle?
William Joseph Leonard focuses on business, real estate, class action, zoning, construction. Each practice area listed reflects experience handling cases of that type in Pennsylvania.
How long has William Joseph Leonard practiced law?
William Joseph Leonard has 42+ years of legal experience and has been licensed since 1984.
Where did William Joseph Leonard go to law school?
William Joseph Leonard earned their education at (J.D., 1984); (B.S., 1981).
How can I contact William Joseph Leonard for a consultation?
You can contact William Joseph Leonard 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 William Joseph Leonard received?
William Joseph Leonard's notable recognition includes: AV Preeminent.

Education

J.D.
The Dickinson School of Law
- 1984
B.S.
Drexel University
- 1981

Awards

AV Preeminent

Bar Admissions

Pennsylvania Supreme Court United States Supreme Court United States Court of Appeals for the Third
Admitted: 1984
Illinois
Admitted: 1994
Indiana
Admitted: 2001

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