#1Donald T Deyo (University of Pennsylvania)
Serves this area from Philadelphia, PA (0 mi)
Patent Attorneys & Agents in Philadelphia, PA
The top-ranked patent attorneys and agents serving Philadelphia, PA are Donald T Deyo (University of Pennsylvania), Joseph F Oriti (Baker & Hostetler LLP) and Robert Allen Aboud (SmithKline Beecham CORP). We list 1013 patent attorneys and agents serving Philadelphia, 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 Philadelphia, PA (Philadelphia County). 1013 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 Philadelphia
#2Joseph F Oriti (Baker & Hostetler LLP)
Serves this area from Philadelphia, PA (0 mi)#3Robert Allen Aboud (SmithKline Beecham CORP)
Serves this area from Philadelphia, PA (0 mi)#4Emily C Dugan
Serves this area from Philadelphia, PA (2 mi)#5Wojciech Jankowski
Serves this area from Philadelphia, PA (2 mi)#6Stuart T Gentry (LaSalle University)
Serves this area from Philadelphia, PA (2 mi)#7Rory M. Flanagan (Patents With Balls LLC)
Serves this area from Philadelphia, PA (2 mi)#8Alexander Eisenberg
Serves this area from Philadelphia, PA (2 mi)#9Corinna Fu
Serves this area from Philadelphia, PA (2 mi)#10Jeffrey C Aldridge Jr (Van Court & Aldridge LLP)
Serves this area from Philadelphia, PA (2 mi)
20 more providers serving this area
- Michael B Henderson (Temple University Office of University Counsel), Philadelphia, PA (2 mi)
- Tyler D Williams-Amaker, Philadelphia, PA (3 mi)
- Jay M. Herskowitz, Philadelphia, PA (3 mi)
- Ryan D. VanFossen, Philadelphia, PA (3 mi)
- Serenity M Wang, Philadelphia, PA (3 mi)
- Benjamin J. Gillespie, Philadelphia, PA (4 mi)
- Brian Patrick Augustine, Philadelphia, PA (4 mi)
- Rhea S Prabhu (Ballard Spahr LLP), Philadelphia, PA (4 mi)
- Richard Morris Snead (Thomson Reuters), Philadelphia, PA (4 mi)
- Xun Liu, Philadelphia, PA (4 mi)
- Tyler C Krauth (Biomeme, Inc.), Philadelphia, PA (4 mi)
- Yaroslaw E Bulyk, PA
- Alexander Nelson, Philadelphia, PA (4 mi)
- Alex E Korona (Sigma Law Group LLC), Philadelphia, PA (4 mi)
- Alfred W Zaher (Buchanan Ingersoll & Rooney PC), Philadelphia, PA (4 mi)
- Alicia Marie Fraind (Saul Ewing Arnstein & Lehr), Philadelphia, PA (4 mi)
- Bruce Howard Kleinstein (Information Ventures Inc.), Philadelphia, PA (4 mi)
- Bruce J Chasan (Law Offices of Bruce J. Chasan, LLC.), Philadelphia, PA (4 mi)
- Curtis R Altmann (Mendelsohn Dunleavy, P.C.), Philadelphia, PA (4 mi)
- Daniel A Enea (Argus Intellectual Enterprise), Philadelphia, PA (4 mi)
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Frequently asked questions
How many patent attorneys and agents serve Philadelphia?
We list 1013 patent attorneys and agents serving Philadelphia, PA: 0 based there and 1013 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 Philadelphia?
The top-ranked patent attorneys and agents serving Philadelphia, PA are Donald T Deyo (University of Pennsylvania), Joseph F Oriti (Baker & Hostetler LLP), Robert Allen Aboud (SmithKline Beecham CORP), Emily C Dugan and Wojciech Jankowski. The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Philadelphia are verified against official records?
10 of the top 10 match an active official record: Donald T Deyo (University of Pennsylvania) (U.S. Patent and Trademark Office), Joseph F Oriti (Baker & Hostetler LLP) (U.S. Patent and Trademark Office), Robert Allen Aboud (SmithKline Beecham CORP) (U.S. Patent and Trademark Office), Emily C Dugan (U.S. Patent and Trademark Office) and Wojciech Jankowski (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 .