Atty. Benjamin A Katzenellenbogen

Atty. Benjamin A Katzenellenbogen

Benjamin A Katzenellenbogen is a lawyer practicing patent litigation, litigation, intellectual property law and 2 other areas of law. Benjamin received a B.S. degree from University of California at Los Angeles in 1996, and has been licensed for 26 years.

Irvine Irvine 26 yrs experience 26 year
Call (949) 868-4847 Book Appointment

Profile Summary

About Benjamin A Katzenellenbogen at a glance

Benjamin A Katzenellenbogen is a Partner based in Irvine, California, practicing at Knobbe Martens Olson & Bear LLP. They have 26+ years of legal experience, licensed to practice since 2000. Their practice focuses on patent, real estate, ip, litigation, and appellate. Admitted to practice in California U.S. District Court, Central District of California U.S. District Court, Northern Distric (2000). Educated at Harvard Law School (J.D., 1999) and University of California at Los Angeles (B.S. Genaral, 1996). Serands clients in Irvine, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Benjamin A Katzenellenbogen is a lawyer practicing patent litigation, litigation, intellectual property law and 2 other areas of law
  • Benjamin received a B.S. degree from University of California at Los Angeles in 1996, and has been licensed for 26 years
  • Benjamin practices at Knobbe Martens Olson & Bear LLP in Irvine, CA

Practice Areas Explained

Benjamin A Katzenellenbogen's Areas of Practice

Each practice area below reflects the types of cases Benjamin A Katzenellenbogen handles, with a brief overview of what that area of law covers.

Patent Law

Benjamin A Katzenellenbogen is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in California →

Real Estate Law

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

Benjamin A Katzenellenbogen is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in California →

Intellectual Property

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

Benjamin A Katzenellenbogen 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.

Benjamin A Katzenellenbogen is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in California →

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

Benjamin A Katzenellenbogen is one of 86,319 appellate attorneys indexed nationally. Browse appellate 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 Irvine 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 Irvine or all attorneys in California.

Frequently Asked

Common questions about Benjamin A Katzenellenbogen

Where is Benjamin A Katzenellenbogen's law office located?
Benjamin A Katzenellenbogen's law practice is located in Irvine, California. The firm is Knobbe Martens Olson & Bear LLP. You can contact the office directly through this profile page.
What practice areas does Benjamin A Katzenellenbogen handle?
Benjamin A Katzenellenbogen focuses on patent, real estate, ip, litigation, appellate. Each practice area listed reflects experience handling cases of that type in California.
How long has Benjamin A Katzenellenbogen practiced law?
Benjamin A Katzenellenbogen has 26+ years of legal experience and has been licensed since 2000.
Where did Benjamin A Katzenellenbogen go to law school?
Benjamin A Katzenellenbogen earned their education at (J.D., 1999); (B.S. Genaral, 1996).
How can I contact Benjamin A Katzenellenbogen for a consultation?
You can contact Benjamin A Katzenellenbogen 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.
Harvard Law School
- 1999
B.S. Genaral
University of California at Los Angeles
- 1996

Bar Admissions

California U.S. District Court, Central District of California U.S. District Court, Northern Distric
Admitted: 2000

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