Atty. William G. Vonhoffmann III

Atty. William G. Vonhoffmann III

William G. Vonhoffmann III is a lawyer practicing intellectual property, patents, intellectual property law and 2 other areas of law.

Irvine Irvine 42 yrs experience 42 year
Call (760) 730-6618 Book Appointment

Profile Summary

About William G. Vonhoffmann III at a glance

William G. Vonhoffmann III is a Partner based in Irvine, California, practicing at Knobbe Martens Olson & Bear LLP. They have 42+ years of legal experience, licensed to practice since 1984. Their practice focuses on patent, real estate, and ip. Admitted to practice in California U.S. Court of Appeals, Federal Circuit U.S. Claims of Court registered to practice before (1984). Educated at University of San Diego School of Law (J.D., 1983) and Occidental College (B.A. Chemistry, 1978). Recognitions include AV Preeminent. Serands clients in Irvine, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William G. Vonhoffmann III is a lawyer practicing intellectual property, patents, intellectual property law and 2 other areas of law
  • William received a B.A. degree from Occidental College in 1978, and has been licensed for 42 years
  • William practices at Knobbe Martens Olson & Bear LLP in Irvine, CA

Practice Areas Explained

William G. Vonhoffmann III's Areas of Practice

Each practice area below reflects the types of cases William G. Vonhoffmann III handles, with a brief overview of what that area of law covers.

Patent Law

William G. Vonhoffmann III 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.

William G. Vonhoffmann III 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.

William G. Vonhoffmann III 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 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 William G. Vonhoffmann III

Where is William G. Vonhoffmann III's law office located?
William G. Vonhoffmann III'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 William G. Vonhoffmann III handle?
William G. Vonhoffmann III focuses on patent, real estate, ip. Each practice area listed reflects experience handling cases of that type in California.
How long has William G. Vonhoffmann III practiced law?
William G. Vonhoffmann III has 42+ years of legal experience and has been licensed since 1984.
Where did William G. Vonhoffmann III go to law school?
William G. Vonhoffmann III earned their education at (J.D., 1983); (B.A. Chemistry, 1978).
How can I contact William G. Vonhoffmann III for a consultation?
You can contact William G. Vonhoffmann III 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 William G. Vonhoffmann III received?
William G. Vonhoffmann III's notable recognition includes: AV Preeminent.

Education

J.D.
University of San Diego School of Law
- 1983
B.A. Chemistry
Occidental College
- 1978

Awards

AV Preeminent

Bar Admissions

California U.S. Court of Appeals, Federal Circuit U.S. Claims of Court registered to practice before
Admitted: 1984

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