Atty. John D Vandenberg

Atty. John D Vandenberg

John D Vandenberg is a lawyer practicing patent application, litigation, patents. John received a B.S.E. degree from Princeton University in 1979, and has been licensed for 42 years.

Portland Portland 42 yrs experience 42 year
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Profile Summary

About John D Vandenberg at a glance

John D Vandenberg is a Member based in Portland, Oregon, practicing at Klarquist Sparkman Llp. They have 42+ years of legal experience, licensed to practice since 1984. Their practice focuses on patent and litigation. Admitted to practice in New York (1984), Oregon (1989), and Washington U.S. Court of Appeals, Fifth, Ninth and Eleventh Circuits registered to practice before U (2006). Educated at New York University School of Law (J.D., 1983) and Princeton University (B.S.E. Mechanical, 1979). Recognitions include AV Preeminent. Active member of Oregon State Bar. Serands clients in Portland, OR and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John D Vandenberg is a lawyer practicing patent application, litigation, patents
  • John received a B.S.E. degree from Princeton University in 1979, and has been licensed for 42 years
  • John practices at Klarquist Sparkman, LLP in Portland, OR

Practice Areas Explained

John D Vandenberg's Areas of Practice

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

Patent Law

John D Vandenberg is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Oregon →

Civil Litigation

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

John D Vandenberg is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Oregon →

Jurisdictional Context

Why local counsel matters in Oregon

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

Looking for additional Oregon attorneys? Browse all attorneys in Portland or all attorneys in Oregon.

Frequently Asked

Common questions about John D Vandenberg

Where is John D Vandenberg's law office located?
John D Vandenberg's law practice is located in Portland, Oregon. The firm is Klarquist Sparkman Llp. You can contact the office directly through this profile page.
What practice areas does John D Vandenberg handle?
John D Vandenberg focuses on patent, litigation. Each practice area listed reflects experience handling cases of that type in Oregon.
How long has John D Vandenberg practiced law?
John D Vandenberg has 42+ years of legal experience and has been licensed since 1984.
Where did John D Vandenberg go to law school?
John D Vandenberg earned their education at (J.D., 1983); (B.S.E. Mechanical, 1979).
How can I contact John D Vandenberg for a consultation?
You can contact John D Vandenberg 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 John D Vandenberg received?
John D Vandenberg's notable recognition includes: AV Preeminent.

Education

J.D.
New York University School of Law
- 1983
B.S.E. Mechanical
Princeton University
- 1979

Awards

AV Preeminent

Bar Admissions

New York
Admitted: 1984
Oregon
Admitted: 1989
Washington U.S. Court of Appeals, Fifth, Ninth and Eleventh Circuits registered to practice before U
Admitted: 2006

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