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 Volpe and Koenig, P.C., FMC Corporation, and Flaster Greenberg PC.

Oleh V Bilynsky

Reg. 50563

Patent attorney

O'Brien Firm

Philadelphia, PA · 19106

267-758-6029

Linda D Birch

Reg. 38719

Patent agent

FMC Corporation

Philadelphia, PA · 19104

302-366-6267

Jennifer C Black

Reg. 79591

Patent attorney

Philadelphia, PA · 19103

215-241-5460

Emmeline L. Blanchard

Reg. 84563

Patent agent

Philadelphia, PA · 19103

484-340-2085

John M Bollinger

Reg. 65711

Patent attorney

Volpe and Koenig, P.C.

Philadelphia, PA · 19103

610-213-6283

Michael J Bonella

Reg. 41628

Patent attorney

Condo Roccia Koptiw LLP

Philadelphia, PA · 19103

215-558-5740

Joseph P Boos· Jr

Reg. 62745

Patent attorney

Volpe and Koenig, P.C.

Philadelphia, PA · 19103

215-255-9190

Caryn C Borg-Breen

Reg. 52637

Patent attorney

Ballard Spahr LLP

Philadelphia, PA · 19103-7599

215-864-8841

Megan E. Bowers

Reg. 73178

Patent attorney

DLA Piper LLP

Philadelphia, PA · 19103-7300

215-656-2484

Joshua A. M. Boyle

Reg. 76332

Patent attorney

Eckert Seamans Cherin & Mellott, LLC

Philadelphia, PA · 19428

215-851-8480

Derek J Brader

Reg. 71421

Patent attorney

Flaster Greenberg PC

Philadelphia, PA · 19103

215-279-9388

Meaghan M. Brick

Reg. 78718

Patent attorney

Philadelphia, PA · 19103

215-421-6939

Sean C Brock

Reg. 66382

Patent attorney

Baker & Hostetler LLP

Philadelphia, PA · 19104-2891

215-568-3100

Elizabeth A Browning

Reg. 77157

Patent agent

BakerHostetler

Philadelphia, PA · 19103-7501

215-564-2514

Frank A Bruno

Reg. 46583

Patent attorney

White and Williams LLP

Philadelphia, PA · 19103

215-864-6225

Douglas J Bucklin

Reg. 51208

Patent attorney

Volpe and Koenig, P.C.

Philadelphia, PA · 19103

215-568-6400

Paul Burnett

Reg. 58001

Patent attorney

FMC Corporation

Philadelphia, PA · 19104

215-299-6211

Carole J Burns

Reg. 66909

Patent agent

University of Pennsylvania

Philadelphia, PA · 19104

215-898-9877

Michael L. Burns

Reg. 57593

Patent attorney

DLA Piper US LLP

Philadelphia, PA · 19103

215-656-2443

James I. Burris

Reg. 79473

Patent attorney

Flaster Greenberg PC

Philadelphia, PA · 19103

267-702-2904

Andrew D. Buschmeier

Reg. 73179

Patent agent

Volpe & Koenig P.C.

Philadelphia, PA · 19103

215-255-9158

Dennis J Butler

Reg. 51519

Patent attorney

Panitch Schwarze Belisario & Nadel LLP

Philadelphia, PA · 19103

215-965-1282

Daniel N Calder

Reg. 27424

Patent attorney

Volpe and Koenig

Philadelphia, PA · 19103

215-255-9156

Viantinna D Campana Bordas

Reg. 68751

Patent agent

Philadelphia, PA · 19148

787-379-5697

Mary R Campbell

Reg. 52689

Patent attorney

Philadelphia, PA · 19128

215-508-0863

Robert E Cannuscio

Reg. 36469

Patent attorney

Faegre Drinker Biddle and Reath LLP

Philadelphia, PA · 19103

215-988-3303

Frank T Carroll

Reg. 42392

Patent attorney

Fox Rothschild LLP

Philadelphia, PA · 19103-3291

215-299-2000

William J Castillo

Reg. 56515

Patent attorney

Caesar, Rivise, Bernstein, Cohen

Philadelphia, PA · 19103

215-567-2010

Gerald Joseph Cechony

Reg. 31335

Patent attorney

Patent Law Offices

Philadelphia, PA · 19118

267-536-2945

Deping Chai

Reg. 63187

Patent attorney

Morgan, Lewis & Bockius LLP

Philadelphia, PA · 19103

215-963-5747

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.