Atty. David John Sepanik

Atty. David John Sepanik

David John Sepanik is a lawyer practicing copyright infringement, patent infringement, intellectual property and technology and 1 other area of law. David received a B.A. degree from University of Illinois, and has been licensed for 24 years.

San Francisco San Francisco 24 yrs experience 24 year
Call (415) 520-2261 Book Appointment

Profile Summary

About David John Sepanik at a glance

David John Sepanik is a Counsel based in San Francisco, California, practicing at O'Melveny & Myers LLP. They have 24+ years of legal experience, licensed to practice since 2002. Their practice focuses on patent, trademark, copyright, and ip. Admitted to practice in California U.S. District Court, Northern District of California U.S. Court of Appeals, Ninth Circuit (2002). Educated at University of Chicago J.D. high honors Order of the Coif (—) and University of Illinois B.A. Liberal Arts (—). Serands clients in San Francisco, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • David John Sepanik is a lawyer practicing copyright infringement, patent infringement, intellectual property and technology and 1 other area of law
  • David received a B.A. degree from University of Illinois, and has been licensed for 24 years
  • David practices at O'Melveny & Myers LLP in San Francisco, CA

Practice Areas Explained

David John Sepanik's Areas of Practice

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

Patent Law

David John Sepanik is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in California →

Trademark Law

David John Sepanik is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in California →

Copyright Law

David John Sepanik is one of 17,495 copyright attorneys indexed nationally. Browse copyright attorneys in California →

Intellectual Property

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

David John Sepanik is one of 106,079 ip attorneys indexed nationally. Browse ip 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 John Sepanik

Where is David John Sepanik's law office located?
David John Sepanik's law practice is located in San Francisco, California. The firm is O'Melveny & Myers LLP. You can contact the office directly through this profile page.
What practice areas does David John Sepanik handle?
David John Sepanik focuses on patent, trademark, copyright, ip. Each practice area listed reflects experience handling cases of that type in California.
How long has David John Sepanik practiced law?
David John Sepanik has 24+ years of legal experience and has been licensed since 2002.
Where did David John Sepanik go to law school?
David John Sepanik earned their education at (—); (—).
How can I contact David John Sepanik for a consultation?
You can contact David John Sepanik 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

University of Chicago J.D. high honors Order of the Coif
- In Progress
University of Illinois B.A. Liberal Arts
- In Progress

Bar Admissions

California U.S. District Court, Northern District of California U.S. Court of Appeals, Ninth Circuit
Admitted: 2002

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