Atty. Stephen J Joncus, Jr.

Atty. Stephen J Joncus, Jr.

Stephen J Joncus, Jr. is a lawyer practicing patent litigation. Stephen received a B.S. degree from University of Rochester in 1981, and has been licensed for 31 years.

Portland Portland 31 yrs experience 31 year
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Profile Summary

About Stephen J Joncus, Jr. at a glance

Stephen J Joncus, Jr. is a Partner based in Portland, Oregon, practicing at Klarquist Sparkman Llp. They have 31+ years of legal experience, licensed to practice since 1995. Their practice focuses on patent. Admitted to practice in Texas (1995), Oregon (2001), and U.S. District Court, District of Oregon registered to practice before U.S. Patent and Trademark Offi (2001). Educated at University of Houston Law Center (J.D., 1995) and University of Rochester (B.S. Chemical, 1981). Recognitions include Peer Reviewed. Active member of Multnomah County, Federal Circuit, Federal and American Bar Associations Oregon State Bar American Intellectual Property Law Association. Serands clients in Portland, OR and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Stephen J Joncus, Jr. is a lawyer practicing patent litigation
  • Stephen received a B.S. degree from University of Rochester in 1981, and has been licensed for 31 years
  • Stephen practices at Klarquist Sparkman, LLP in Portland, OR

Practice Areas Explained

Stephen J Joncus, Jr.'s Areas of Practice

Each practice area below reflects the types of cases Stephen J Joncus, Jr. handles, with a brief overview of what that area of law covers.

Patent Law

Stephen J Joncus, Jr. is one of 20,749 patent attorneys indexed nationally. Browse patent 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 Stephen J Joncus, Jr.

Where is Stephen J Joncus, Jr.'s law office located?
Stephen J Joncus, Jr.'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 Stephen J Joncus, Jr. handle?
Stephen J Joncus, Jr. focuses on patent. Each practice area listed reflects experience handling cases of that type in Oregon.
How long has Stephen J Joncus, Jr. practiced law?
Stephen J Joncus, Jr. has 31+ years of legal experience and has been licensed since 1995.
Where did Stephen J Joncus, Jr. go to law school?
Stephen J Joncus, Jr. earned their education at (J.D., 1995); (B.S. Chemical, 1981).
How can I contact Stephen J Joncus, Jr. for a consultation?
You can contact Stephen J Joncus, Jr. 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 Stephen J Joncus, Jr. received?
Stephen J Joncus, Jr.'s notable recognition includes: Peer Reviewed.

Practice Areas

Education

J.D.
University of Houston Law Center
- 1995
B.S. Chemical
University of Rochester
- 1981

Awards

Peer Reviewed

Bar Admissions

Texas
Admitted: 1995
Oregon
Admitted: 2001
U.S. District Court, District of Oregon registered to practice before U.S. Patent and Trademark Offi
Admitted: 2001

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