Atty. David Leon Bilsker

Atty. David Leon Bilsker

David Leon Bilsker is a lawyer practicing domestic and international arbitration & mediation, intellectual property litigation, life sciences litigation. David received a B.S. degree from Columbia University in 1984, and has been licensed for 36 years.

San Francisco San Francisco 36 yrs experience 36 year
Call (628) 786-5132 Book Appointment

Profile Summary

About David Leon Bilsker at a glance

David Leon Bilsker is a Partner based in San Francisco, California, practicing at Quinn Emanuel Urquhart & Sullivan, LLP. They have 36+ years of legal experience, licensed to practice since 1990. Their practice focuses on ip, litigation, adr, and international. Admitted to practice in Florida (1990), California U.S. Court of Appeals, Fifth Circuit U.S. Court of Appeals, Ninth Circuit U.S. Court of A (1991), and Michigan (2014). Educated at University of Florida Fredric G. Levin College of Law (J.D., 1990) and Columbia University (B.S. Chemical, 1984). Serands clients in San Francisco, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • David Leon Bilsker is a lawyer practicing domestic and international arbitration & mediation, intellectual property litigation, life sciences litigation
  • David received a B.S. degree from Columbia University in 1984, and has been licensed for 36 years
  • David practices at Quinn Emanuel Urquhart & Sullivan, LLP in San Francisco, CA

Practice Areas Explained

David Leon Bilsker's Areas of Practice

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

Intellectual Property

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

David Leon Bilsker is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in California →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

David Leon Bilsker is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in California →

Mediation & Arbitration

Mediators and arbitrators for civil, commercial, family, and employment dispute resolution.

David Leon Bilsker is one of 73,906 adr attorneys indexed nationally. Browse adr attorneys in California →

International Law

International law attorneys for cross-border transactions, trade, foreign investment, and treaties.

David Leon Bilsker is one of 40,133 international attorneys indexed nationally. Browse international attorneys in California →

Jurisdictional Context

Why local counsel matters in California

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

Looking for additional California attorneys? Browse all attorneys in San Francisco or all attorneys in California.

Frequently Asked

Common questions about David Leon Bilsker

Where is David Leon Bilsker's law office located?
David Leon Bilsker's law practice is located in San Francisco, California. The firm is Quinn Emanuel Urquhart & Sullivan, LLP. You can contact the office directly through this profile page.
What practice areas does David Leon Bilsker handle?
David Leon Bilsker focuses on ip, litigation, adr, international. Each practice area listed reflects experience handling cases of that type in California.
How long has David Leon Bilsker practiced law?
David Leon Bilsker has 36+ years of legal experience and has been licensed since 1990.
Where did David Leon Bilsker go to law school?
David Leon Bilsker earned their education at (J.D., 1990); (B.S. Chemical, 1984).
How can I contact David Leon Bilsker for a consultation?
You can contact David Leon Bilsker 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 Florida Fredric G. Levin College of Law
- 1990
B.S. Chemical
Columbia University
- 1984

Bar Admissions

Florida
Admitted: 1990
California U.S. Court of Appeals, Fifth Circuit U.S. Court of Appeals, Ninth Circuit U.S. Court of A
Admitted: 1991
Michigan
Admitted: 2014

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