Atty. David Jon Wolfsohn

Atty. David Jon Wolfsohn

David Jon Wolfsohn is a lawyer practicing intellectual property litigation, patents, copyrights and 3 other areas of law. David received a B.A. degree from Beloit College in 1974, and has been licensed for 36 years.

Philadelphia Philadelphia 36 yrs experience 36 year
Call (484) 842-0112 Book Appointment

Profile Summary

About David Jon Wolfsohn at a glance

David Jon Wolfsohn is a Partner based in Philadelphia, Pennsylvania, practicing at Duane Morris LLP. They have 36+ years of legal experience, licensed to practice since 1990. Their practice focuses on patent, trademark, copyright, ip, and trade secrets. Admitted to practice in Pennsylvania Supreme Court of the United States U.S. District Court for the Eastern District of Penn (1990). Educated at University of Chicago Law School (J.D., 1988) and Beloit College (B.A. Villa, 1974). Recognitions include AV Preeminent. Active member of S, A, and - Philadelphia Chapter Chair, 2007-2009 •Philadelphia Bar Association Commission on Judicial Selection and Retention - Member, Investigative Division •Philadelphia County Court of Common Pleas - Arbitrator. Serands clients in Philadelphia, PA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • David Jon Wolfsohn is a lawyer practicing intellectual property litigation, patents, copyrights and 3 other areas of law
  • David received a B.A. degree from Beloit College in 1974, and has been licensed for 36 years
  • David practices at Duane Morris LLP in Philadelphia, PA

Practice Areas Explained

David Jon Wolfsohn's Areas of Practice

Each practice area below reflects the types of cases David Jon Wolfsohn handles, with a brief overview of what that area of law covers.

Patent Law

David Jon Wolfsohn is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Pennsylvania →

Trademark Law

David Jon Wolfsohn is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in Pennsylvania →

Copyright Law

David Jon Wolfsohn is one of 17,495 copyright attorneys indexed nationally. Browse copyright attorneys in Pennsylvania →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

David Jon Wolfsohn is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Pennsylvania →

Trade Secrets

David Jon Wolfsohn is one of 6,644 trade secrets attorneys indexed nationally. Browse trade secrets 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 Jon Wolfsohn

Where is David Jon Wolfsohn's law office located?
David Jon Wolfsohn's law practice is located in Philadelphia, Pennsylvania. The firm is Duane Morris LLP. You can contact the office directly through this profile page.
What practice areas does David Jon Wolfsohn handle?
David Jon Wolfsohn focuses on patent, trademark, copyright, ip, trade secrets. Each practice area listed reflects experience handling cases of that type in Pennsylvania.
How long has David Jon Wolfsohn practiced law?
David Jon Wolfsohn has 36+ years of legal experience and has been licensed since 1990.
Where did David Jon Wolfsohn go to law school?
David Jon Wolfsohn earned their education at (J.D., 1988); (B.A. Villa, 1974).
How can I contact David Jon Wolfsohn for a consultation?
You can contact David Jon Wolfsohn 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 David Jon Wolfsohn received?
David Jon Wolfsohn's notable recognition includes: AV Preeminent.

Education

J.D.
University of Chicago Law School
- 1988
B.A. Villa
Beloit College
- 1974

Awards

AV Preeminent

Bar Admissions

Pennsylvania Supreme Court of the United States U.S. District Court for the Eastern District of Penn
Admitted: 1990

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