#1Aaron Robert Ettelman
Based in PA
Patent Attorneys & Agents in Chester County, PA
The top-ranked patent attorneys and agents serving Chester County, PA are Aaron Robert Ettelman, Abigail M DiVito Evans and Ali G Abdulhay. We list 897 patent attorneys and agents serving Chester County, PA. 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 Chester County, PA. 897 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 Chester County
#2Abigail M DiVito Evans
Based in PA#3Ali G Abdulhay
Based in PA#4Alissa L. Saenz (The Law Office of Alissa L. Saenz LLC)
Based in Phoenixville, PA#5Allan H Fried
Based in PA#6Andrea Ellman Mirin
Based in PA#7Andrew H. Aurand (Vishay Intertechnology, Inc.)
Based in PA#8Andrew L Ney (Barley Snyder)
Based in PA#9Andrew Louis Salvatore
Based in PA#10Andrew T Hawkins
Based in PA
20 more providers serving this area
- Angelo N Chaclas (Trinseo LLC), PA
- Anthony D. Mustillo (Endo Pharmaceuticals Inc.), PA
- Anthony Grillo (Pragmatus LLC), PA
- Anthony R. Carlis (Law Office of Anthony Carlis), PA
- Anthony R Chi, PA
- Arnold S Milowsky, PA
- Benjamin R. MacLuckie, Phoenixville, PA
- Betty Ann Ryberg (Betty A. Ryberg LLC), PA
- Bradley Michael Brown, PA
- Brennan K Bradley (Siemens Medical Solutions USA, Inc.), PA
- Bryan T. Giles (Teva Pharmaceuticals), PA
- Cecilia A. Quirk, PA
- Charles Gerald Rudershausen, PA
- Charles Norman Quinn (Fox Rothschild LLP), Exton, PA
- Che Ming Yang, PA
- Christopher A Rothe (Culhane Meadows, PLLC), PA
- Christopher Egolf, PA
- Christopher M. Spletzer (Stradley Ronon Stevens & Young, LLP), PA
- Christopher S Dodson (Baily Snyder, LLC), PA
- Christopher S. Stabley (Synthes, Inc.), PA
Request quotes
Frequently asked questions
How many patent attorneys and agents serve Chester County?
We list 897 patent attorneys and agents serving Chester County, PA: 194 based there and 703 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 Chester County?
The top-ranked patent attorneys and agents serving Chester County, PA are Aaron Robert Ettelman, Abigail M DiVito Evans, Ali G Abdulhay, Alissa L. Saenz (The Law Office of Alissa L. Saenz LLC) and Allan H Fried. The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Chester County are verified against official records?
10 of the top 10 match an active official record: Aaron Robert Ettelman (U.S. Patent and Trademark Office), Abigail M DiVito Evans (U.S. Patent and Trademark Office), Ali G Abdulhay (U.S. Patent and Trademark Office), Alissa L. Saenz (The Law Office of Alissa L. Saenz LLC) (U.S. Patent and Trademark Office) and Allan H Fried (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 .
Communities served
West Chester, Phoenixville, Coatesville, Downingtown, Kennett Square, Lionville, Paoli, Oxford, Exton, Chesterbrook, Parkesburg, Spring City, Berwyn, Thorndale, Frazer, Malvern, Hayti, West Grove, Eagleview, South Pottstown, Kenilworth, Honey Brook, South Coatesville, Lincoln University, Devon, Caln, Chadds Ford, Elverson, Atglen, Toughkenamon, Avondale, Nottingham, Dilworthtown, Pomeroy, Westwood, Sadsburyville, Glenmoore, Pughtown, Cochranville, Unionville, Kimberton, Cheyney University, Modena, Marshallton, Eagle, Hamorton