Philadelphia, Pennsylvania

Patent attorneys in Philadelphia

Philadelphia, Pennsylvania is home to 505 USPTO-registered patent practitioners. Working with a local practitioner can streamline in-person meetings for invention disclosures, signing inventor declarations, and reviewing prior-art search results — but every USPTO practitioner is licensed to practice nationally, so a non-local choice is also valid. Local firms with the most USPTO-registered practitioners include Panitch Schwarze Belisario & Nadel LLP, Panitch Schwarze Belisario & Nadel, LLP, and Blank Rome LLP.

Jeung Huh

Reg. 76913
Patent attorney

Condo Roccia Koptiw

Philadelphia, PA · 19103

215-600-2374

Randolph John Huis

Reg. 34626
Patent attorney

Volpe and Koenig PC

Philadelphia, PA · 19103

215-568-6400

Julianna L. Hunt

Reg. 82660
Patent agent

Panitch Schwarze Belisario & Nadel LLP

Philadelphia, PA · 19103

215-965-1235

Abhik A. Huq

Reg. 40656
Patent attorney

Young Basile Hanlon & MacFarlane, P.C.

Philadelphia, PA · 19103

248-244-0122

John S Hutchinson

Reg. 53051
Patent agent

The School District of Philadelphia

Philadelphia, PA · 19148

215-755-1458

Ari Samuel Indik

Reg. 55293
Patent attorney

White and Williams LLP

Philadelphia, PA · 19103

215-864-7138

Clark A Jablon

Reg. 35039
Patent attorney

Panitch Schwarze Belisario & Nadel, LLP

Philadelphia, PA · 19103

215-965-1293

Robert A. Jackel

Reg. 74076
Patent attorney

Philadelphia, PA · 19106

225-610-8060

John Jamieson· Jr

Reg. 29546
Patent attorney

Panitch Schwarze Belisario & Nadel LLP

Philadelphia, PA · 19103

215-965-1310

Wojciech Jankowski

Reg. 64107
Patent agent

Philadelphia, PA · 19134

215-500-4672

Kim R Jessum

Reg. 43694
Patent attorney

Stradley Ronon Stevens & Young, LLP

Philadelphia, PA · 19103

215-564-8165

Jesus Joanos i Timoneda

Reg. 43332
Patent attorney

Philadelphia, PA · 19103

760-682-8057

Steven M. Johnston· Jr

Reg. 61268
Patent agent

Blank Rome LLP

Philadelphia, PA · 19103

215-569-5500

Keith A Jones

Reg. 67781
Patent attorney

Panitch Schwarze Belisario & Nadel LLP

Philadelphia, PA · 19103

215-965-1379

Michael K Jones

Reg. 41100
Patent attorney

Troutman Pepper Locke LLP

Philadelphia, PA · 19103-2799

215-981-4405

Radhika S Joshi

Reg. 800108
Limited recognition

Volpe Koenig

Philadelphia, PA · 19103

215-255-9212

Leslie Leroy Kasten· Jr

Reg. 28959
Patent agent

Panitch, Schwarze, Belisario & Nadel LLP

Philadelphia, PA · 19103

215-965-1200

Samuel G. Katz

Reg. 79994
Patent attorney

Philadelphia, PA · 19106

516-567-3202

Sandra M Katz

Reg. 51864
Patent agent

Panitch, Schwarze, Belisario & Nadel LLP

Philadelphia, PA · 19103

215-965-1344

William G. Kaufmann· Jr.

Reg. 72782
Patent attorney

Panitch Schwarze Belisario & Nadel, LLP

Philadelphia, PA · 19103

215-965-1330

William P.W. Kehoe

Reg. 81581
Patent attorney

Philadelphia, PA · 19103

215-564-8979

Steven M. Kellner

Reg. 72908
Patent attorney

Volpe and Koenig, P.C.

Philadelphia, PA · 19103

215-568-6400

Matthew A Kelly· III

Reg. 47702
Patent attorney

Philadelphia, PA · 19154

215-805-2623

Patrick John Kelly

Reg. 34638
Patent attorney

Armstrong Teasdale LLP

Philadelphia, PA · 19103

267-780-2000

Zoltan Kerekes

Reg. 38938
Patent attorney

Phoenix IP Ventures

Philadelphia, PA · 19103

267-765-3222

Ronald C Kern· Jr.

Reg. 71482
Patent attorney

Baker & Hostetler LLP

Philadelphia, PA · 19103

215-564-1669

Dawn C. Kerner

Reg. 67743
Patent agent

Volpe and Koenig, P.C.

Philadelphia, PA · 19103-4009

215-568-6400

Rebecca A Kielar

Reg. 903140
Limited recognition

University of Pennsylvania Law School

Philadelphia, PA · 19106

781-698-9778

Edward J King

Reg. 64395
Patent attorney

Baker & Hostetler LLP

Philadelphia, PA · 19107-2891

215-568-3100

Jonathan R King

Reg. 65967
Patent attorney

Blank Rome LLP

Philadelphia, PA · 19103

215-569-5432

Common questions

Do patent attorneys in Philadelphia cost more than the national average?
Patent attorney fees vary primarily by experience and complexity of the invention, not by city. A typical provisional patent application in the US runs $1,500 to $5,000; a non-provisional utility filing runs $5,000 to $15,000. Hourly rates in Philadelphia tend to track the broader Pennsylvania legal market.
How many USPTO practitioners list a Philadelphia office?
505 USPTO-registered patent practitioners list a Philadelphia mailing address on the OEDCI roster. You can sort by firm size and contact each directly using the phone numbers shown.
Can I work with a Philadelphia practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A Philadelphia-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.
build 4315ed5 · 2026-05-22 19:52 EDT