Atty. David Nathan Mallenbaum

Atty. David Nathan Mallenbaum

David Nathan Mallenbaum is a lawyer practicing commercial, commercial transactions, real estate finance and 2 other areas of law. David received a B.A. degree from Harvard University in 1979, and has been licensed for 42 years.

Philadelphia Philadelphia 42 yrs experience 42 year
Call (332) 529-7634 Book Appointment

Profile Summary

About David Nathan Mallenbaum at a glance

David Nathan Mallenbaum is a Shareholder based in Philadelphia, Pennsylvania, practicing at Ledgewood, a Professional Corporation. They have 42+ years of legal experience, licensed to practice since 1984. Their practice focuses on business and real estate. Admitted to practice in New York (1984) and Pennsylvania (2007). Educated at Columbia University School of Law (J.D., 1983) and Harvard University (B.A., 1979). Serands clients in Philadelphia, PA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • David Nathan Mallenbaum is a lawyer practicing commercial, commercial transactions, real estate finance and 2 other areas of law
  • David received a B.A. degree from Harvard University in 1979, and has been licensed for 42 years
  • David practices at Ledgewood, a Professional Corporation in Philadelphia, PA

Practice Areas Explained

David Nathan Mallenbaum's Areas of Practice

Each practice area below reflects the types of cases David Nathan Mallenbaum 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.

David Nathan Mallenbaum 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.

David Nathan Mallenbaum is one of 316,149 real estate attorneys indexed nationally. Browse real estate 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 David Nathan Mallenbaum

Where is David Nathan Mallenbaum's law office located?
David Nathan Mallenbaum's law practice is located in Philadelphia, Pennsylvania. The firm is Ledgewood, a Professional Corporation. You can contact the office directly through this profile page.
What practice areas does David Nathan Mallenbaum handle?
David Nathan Mallenbaum focuses on business, real estate. Each practice area listed reflects experience handling cases of that type in Pennsylvania.
How long has David Nathan Mallenbaum practiced law?
David Nathan Mallenbaum has 42+ years of legal experience and has been licensed since 1984.
Where did David Nathan Mallenbaum go to law school?
David Nathan Mallenbaum earned their education at (J.D., 1983); (B.A., 1979).
How can I contact David Nathan Mallenbaum for a consultation?
You can contact David Nathan Mallenbaum 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.
Columbia University School of Law
- 1983
B.A.
Harvard University
- 1979

Bar Admissions

New York
Admitted: 1984
Pennsylvania
Admitted: 2007

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