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 DLA Piper, Dechert LLP, and Baker & Hostetler, LLP.

Kenneth R Eiferman

Reg. 51647

Patent attorney

Baker & Hostetler, LLP

Philadelphia, PA · 19103

215-568-3100

Alexander Eisenberg

Reg. 83056

Patent agent

Philadelphia, PA · 19122

301-602-8943

Dianne B Elderkin

Reg. 28598

Patent attorney

Akin Gump Strauss Hauer & Feld LLP

Philadelphia, PA · 19103

215-965-1340

Ragi A I Elias

Reg. 67772

Patent attorney

Panitch Schwarze Belisario & Nadel

Philadelphia, PA · 19103

215-965-1221

Nancy N. Endejann

Reg. 50229

Patent attorney

DLA Piper LLP (US)

Philadelphia, PA · 19103-7300

215-656-2490

Daniel A Enea

Reg. 75479

Patent attorney

Argus Intellectual Enterprise

Philadelphia, PA · 19102

717-322-4779

Robert A Esposito

Reg. 65071

Patent attorney

DLA Piper

Philadelphia, PA · 19103

267-303-8105

Matthew J Esserman

Reg. 41536

Patent agent

POLSINELLI PC

Philadelphia, PA · 19103

215-267-3061

Martin L Faigus

Reg. 24364

Patent attorney

Caesar Rivise, PC

Philadelphia, PA · 19103

215-567-2010

Erich M Falke

Reg. 49049

Patent attorney

Baker & Hostetler , LLP

Philadelphia, PA · 19104-2891

215-564-6529

Heather A Faltin

Reg. 62949

Patent attorney

Comcast Cable Comumunications LLC

Philadelphia, PA · 19103-2838

215-286-7510

David N Farsiou

Reg. 44104

Patent attorney

BakerHostetleer LLP

Philadelphia, PA · 19103

215-564-3100

Michael B Fein

Reg. 25333

Patent attorney

Eckert Seamans Cherin & Mellott, LLC

Philadelphia, PA · 19102

215-851-8539

Maggie Marianne Finkelstein

Reg. 48795

Patent attorney

Fennemore Craig

Philadelphia, PA · 19103

602-916-5397

Michael Aaron Fisher

Reg. 42536

Patent attorney

Dechert LLP

Philadelphia, PA · 19104

215-994-2079

Kevin M Flannery

Reg. 35871

Patent attorney

Dechert LLP

Philadelphia, PA · 19103

215-994-2814

Theresa Ann Folino

Reg. 61920

Patent attorney

Dickie, McCamey & Chilcote

Philadelphia, PA · 19103

215-351-5812

Adam J Forman

Reg. 46707

Patent attorney

Baker & Hostetler LLP

Philadelphia, PA · 19104-2891

215-568-3100

Alicia Marie Fraind

Reg. 77918

Patent agent

Saul Ewing Arnstein & Lehr

Philadelphia, PA · 19102

215-972-8594

Gregory D. Frattini

Reg. 75410

Patent agent

DLA Piper LLP

Philadelphia, PA · 19103-7300

215-656-3300

Matthew P. Frederick

Reg. 60469

Patent attorney

Reed Smith LLP

Philadelphia, PA · 19103

215-241-7992

Harold H Fullmer· III

Reg. 42560

Patent attorney

Condo Roccia and Koptiw

Philadelphia, PA · 19103

215-558-5740

Darius C Gambino

Reg. 41472

Patent attorney

SAUL EWING ARNSTEIN & LEHR LLP

Philadelphia, PA · 19102-2186

215-972-7173

Amritaa Ganguly

Reg. 73736

Patent agent

DLA Piper

Philadelphia, PA · 19103

215-656-2416

James L Gannon· II

Reg. 62177

Patent attorney

Montgomery, McCracken,Walker & Rhoads, LLP

Philadelphia, PA · 19109

215-772-7230

Jacob A. Gantz

Reg. 59935

Patent attorney

Dechert LLP

Philadelphia, PA · 19104

215-994-2790

Christina Marie Gatti

Reg. 903139

Limited recognition

University of Pennsylvania Law School

Philadelphia, PA · 19106

734-309-1628

Vineet Gauri

Reg. 44701

Patent attorney

Barnes & Thornburg LLP

Philadelphia, PA · 19103

445-201-8932

Stuart T Gentry

Reg. 59301

Patent agent

LaSalle University

Philadelphia, PA · 19141

215-951-1259

Bruce D George

Reg. 43631

Patent attorney

Blank Rome LLP

Philadelphia, PA · 19103-6998

215-569-5798

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.