#1 Abdullah O. Alnajran (Portland IP, LLC)
Based in Portland, OR
Call (503) 567-8323Patent Attorneys & Agents in Multnomah County, OR
The top-ranked patent attorneys and agents serving Multnomah County, OR are Abdullah O. Alnajran (Portland IP, LLC), Adam D. Clausen (Kolisch Hartwell) and Adenike Adebola Adebiyi (Klarquist Sparkman, LLP). We list 515 patent attorneys and agents serving Multnomah County, OR. 30 of the providers shown match an active record from U.S. Patent and Trademark Office, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.
Patent Attorneys & Agents serving Multnomah County, OR. 515 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.
Top 10 ranked patent attorneys and agents for Multnomah County
#2 Adam D. Clausen (Kolisch Hartwell)
Based in Portland, ORCall (503) 224-6655#3 Adenike Adebola Adebiyi (Klarquist Sparkman, LLP)
Based in Portland, ORCall (503) 595-5300#4 Adnan K Husain (Klarquist Sparkman, LLP)
Based in Portland, ORCall (503) 595-5300#5 Adriana L H Andrade
Based in Portland, ORCall (503) 975-5857#6 Alan Lloyd Kessler (The Law Office of Alan L. Kessler)
Based in Portland, ORCall (503) 860-1020#7 Alan T McCollom (Alan McCollom)
Based in ORCall (503) 539-9705#8 Alexa M. Johnston (Klarquist Sparkman, LLP)
Based in Portland, ORCall (503) 595-5300#9 Alexander Charles Johnson Jr (Marger Johnson)
Based in Portland, ORCall (503) 222-3613#10 Alexander R. Harry (Lane Powell, PC)
Based in Portland, ORCall (503) 778-2030
20 more providers serving this area
- Alfredo Villanueva (Stoel Rives LLP), Portland, OR
- Allan M Schrock (Under Armour, Inc.), Portland, OR
- Aloysius T C Auyeung (Schwabe Williamson & Wyatt PC), Portland, OR
- Amanda B. Westervelt (Amanda B. Westervelt, Attorney At Law), Portland, OR
- Amber X Sun (Kolitch Romano Dascenzo Gates), Portland, OR
- Amy B. Graveline (Kolitch Romano Dascenzo Gates LLC), Portland, OR
- Amy C Haspel (Klarquist Sparkman, LLP), Portland, OR
- Andrew F Martz (Andrew F. Martz Intellectual Property Law), Portland, OR
- Andrew J. Centybear (Daimler Trucks North America LLC), Portland, OR
- Andrew Moerke Mason (Klarquist Sparkman, LLP), Portland, OR
- Ann C. Bernert (Klarquist Sparkman, LLP), Portland, OR
- Anne Carlson (Oregon Health & Science University), Portland, OR
- Anthony M. Stark (Lane Powell PC), Portland, OR
- Barbara Ann McCoy (McCoy Russell LLP), Portland, OR
- Bart I Rylander (U. S. Army Corps of Engineers), Portland, OR
- Bennett R. May, Portland, OR
- Bo Wang (Thermo Fisher Scientific), Portland, OR
- Bradley A Greenwald (Kacvinsky Daisak Bluni, PLLC), Portland, OR
- Brandon J Johnson (Klarquist Sparkman, LLP), Portland, OR
- Brenna K Legaard (K&L Gates), Portland, OR
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Frequently asked questions
How many patent attorneys and agents serve Multnomah County?
We list 515 patent attorneys and agents serving Multnomah County, OR: 277 based there and 238 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.
Which patent attorneys and agents serve Multnomah County?
The top-ranked patent attorneys and agents serving Multnomah County, OR are Abdullah O. Alnajran (Portland IP, LLC), Adam D. Clausen (Kolisch Hartwell), Adenike Adebola Adebiyi (Klarquist Sparkman, LLP), Adnan K Husain (Klarquist Sparkman, LLP) and Adriana L H Andrade. The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Multnomah County are verified against official records?
10 of the top 10 match an active official record: Abdullah O. Alnajran (Portland IP, LLC) (U.S. Patent and Trademark Office), Adam D. Clausen (Kolisch Hartwell) (U.S. Patent and Trademark Office), Adenike Adebola Adebiyi (Klarquist Sparkman, LLP) (U.S. Patent and Trademark Office), Adnan K Husain (Klarquist Sparkman, LLP) (U.S. Patent and Trademark Office) and Adriana L H Andrade (U.S. Patent and Trademark Office), and 5 more on this page. Each badge links to the official record it matched.
How are these companies ranked?
By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.
What does "Verified" mean on this page?
"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.
What is the difference between a patent attorney and a patent agent?
Both are registered with the USPTO to prepare and prosecute patent applications. Patent attorneys are also licensed lawyers and can handle litigation and other legal matters; agents cannot.
"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .
Cities in Multnomah County
Communities served
Troutdale, Fairview, Wood Village, Dunthorpe, Maywood Park, Orient