#1Alexander W Kong
Based in Mill Creek East, WA
Patent Attorneys & Agents in Snohomish County, WA
The top-ranked patent attorneys and agents serving Snohomish County, WA are Alexander W Kong, Angelo J Castellino (Angelo Castellino-Sole Proprietor) and Ashley N. Schroeder. We list 1131 patent attorneys and agents serving Snohomish County, WA. 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 Snohomish County, WA. 1131 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 Snohomish County
#2Angelo J Castellino (Angelo Castellino-Sole Proprietor)
Based in WA#3Ashley N. Schroeder
Based in Woods Creek, WA#4Bernadette J Lee
Based in Mill Creek, WA#5Beth L Kelly (Seattle Genetics, Inc.)
Based in Bothell, WA#6Bryan B Solstin
Based in Mill Creek East, WA#7Cera E. Oh (Apex Juris, PLLC)
Based in Edmonds, WA#8Charlie Zhao (FLUKE CORPORATION)
Based in Everett, WA#9Ching T Tsao
Based in Edmonds, WA#10Christopher A Wiklof
Based in Eastmont, WA
20 more providers serving this area
- Christopher J Palestro Jr (IonQ), Bothell, WA
- Christopher T Sweeney (Seattle Genetics, Inc.), Bothell, WA
- Cindy J. Kim (Agora Law Group, PLLC), Lynnwood, WA
- Damon J. Kruger (Vertical World, Inc), Alderwood Manor, WA
- David S. Meyer (Fujifilm Sonosite), Bothell, WA
- Diana Kay Sheiness, Edmonds, WA
- Donald W Wyatt, Alderwood Manor, WA
- Edward Van Hiskes, Alderwood Manor, WA
- Elana S Matt (Philips), Bothell, WA
- Elena Nilosek (Nilosek IP Consulting, LLC), Cathcart, WA
- Farid Piroozmandi (SIPA), Three Lakes, WA
- George T Noe, Eastmont, WA
- Gerardo M Castillo, Bothell, WA
- Glenda A Gertz, Cathcart, WA
- Harold H Bennett (Launchpad IP, Inc.), Mill Creek East, WA
- Heather N Ewing, Everett, WA
- Hilde M L Coeckx (Apex Juris, pllc), Edmonds, WA
- Hong Ma, Bothell, WA
- Im Seon Song (AMPACC Law Group, PLLC), Lynnwood, WA
- James C Larsen (Larsen IP, PLLC), Bothell, WA
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Frequently asked questions
How many patent attorneys and agents serve Snohomish County?
We list 1131 patent attorneys and agents serving Snohomish County, WA: 81 based there and 1050 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 Snohomish County?
The top-ranked patent attorneys and agents serving Snohomish County, WA are Alexander W Kong, Angelo J Castellino (Angelo Castellino-Sole Proprietor), Ashley N. Schroeder, Bernadette J Lee and Beth L Kelly (Seattle Genetics, Inc.). The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Snohomish County are verified against official records?
10 of the top 10 match an active official record: Alexander W Kong (U.S. Patent and Trademark Office), Angelo J Castellino (Angelo Castellino-Sole Proprietor) (U.S. Patent and Trademark Office), Ashley N. Schroeder (U.S. Patent and Trademark Office), Bernadette J Lee (U.S. Patent and Trademark Office) and Beth L Kelly (Seattle Genetics, Inc.) (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 Snohomish County
Communities served
Edmonds, Lynnwood, Lake Stevens, Mountlake Terrace, Mill Creek East, Eastmont, North Lynnwood, Silver Firs, Bothell West, Arlington, Martha Lake, Mukilteo, Mill Creek, Monroe, Lake Stickney, Bothell East, Maltby, Snohomish, Alderwood Manor, Picnic Point, Stanwood, Sultan, Brier, Woods Creek, Cavalero, Larch Way, Chain Lake, Granite Falls, Lake Goodwin, Esperance, Three Lakes, Lake Cassidy, Bunk Foss, Clearview, Canyon Creek, Meadowdale, High Bridge, Sisco Heights, Warm Beach, Lochsloy, Cathcart, Fobes Hill, Gold Bar, Arlington Heights, Bryant, Kayak Point, Monroe North, Darrington, Woodway, Lake Ketchum, Machias, Sunday Lake, Lake Bosworth, Startup, May Creek, Swede Heaven, Lake Roesiger, Verlot, North Sultan, Oso