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 University of Pennsylvania, Condo Roccia Koptiw LLP, and Panitch Schwarze Belisario & Nadel LLP.

Joseph R Decker

Reg. 80810

Patent agent

Faegre, Drinker, Biddle, and Reath

Philadelphia, PA · 19103

608-354-6190

Thomas W Dekleva

Reg. 55104

Patent agent

Baker Hostetler LLP

Philadelphia, PA · 19104

212-568-3100

Alexandra A DeLaney

Reg. 79321

Patent agent

Philadelphia, PA · 19104

760-672-4723

Adam Charles deLisle

Reg. 901265

Limited recognition

University of Pennsylvania Law School

Philadelphia, PA · 19106

610-608-1733

Emily A Denisco

Reg. 83993

Patent agent

Volpe Koenig

Philadelphia, PA · 19103

215-255-9259

Saval K Desai

Reg. 77646

Patent attorney

Caesar Rivise, PC

Philadelphia, PA · 19103

215-567-2010

John M. Desper

Reg. 76209

Patent agent

Eckert Seamans Cherin & Mellott, LLC

Philadelphia, PA · 19102

215-851-8527

Kristie A Deyerle

Reg. 51070

Patent attorney

Thomas Jefferson Univ

Philadelphia, PA · 19107

215-503-0116

Donald T Deyo

Reg. 43587

Patent attorney

University of Pennsylvania

Philadelphia, PA · 19704

215-573-9970

Benjamin C Dibling

Reg. 65361

Patent agent

University of Pennsylvania

Philadelphia, PA · 19104

215-880-1158

Andrew N Dietrick

Reg. 75669

Patent attorney

DLA Piper

Philadelphia, PA · 19103

570-906-0745

Chloe P. S. Dixon

Reg. 79927

Patent attorney

Condo Roccia Koptiw LLP

Philadelphia, PA · 19103

215-543-3762

Kyle W. Doerrler

Reg. 79871

Patent attorney

Condo Roccia Koptiw LLP

Philadelphia, PA · 19103

814-441-1092

John C Donch· Jr

Reg. 43593

Patent attorney

Volpe and Koenig, PC

Philadelphia, PA · 19103

215-568-6400

Laura A Donnelly

Reg. 38435

Patent agent

FMC Corporation

Philadelphia, PA · 19104

215-299-6135

John C Dorfman

Reg. 16703

Patent attorney

Dann Dorfman Herrell and Skillman, P.C.

Philadelphia, PA · 19103-2307

215-563-4100

Sean Michael Douglass

Reg. 78157

Patent attorney

Panitch Schwarze Belisario & Nadel LLP

Philadelphia, PA · 19103

215-965-1232

Dimitri P Dovas

Reg. 51627

Patent attorney

Dovas Law P.C.

Philadelphia, PA · 19147

267-266-6357

Kathryn Doyle

Reg. 36317

Patent attorney

Saul Ewing Arnstein & Lehr, LLP

Philadelphia, PA · 19102

215-972-7734

Timothy J Doyle

Reg. 58127

Patent attorney

Baker Hostetler

Philadelphia, PA · 19103-7501

215-564-1412

John E Drach

Reg. 32891

Patent attorney

Paul & Paul

Philadelphia, PA · 19103

215-568-4900

Stephen J Driscoll

Reg. 37564

Patent attorney

FisherBroyles LLP

Philadelphia, PA · 19103

484-444-2262

Kevin M Drucker

Reg. 47537

Patent attorney

IPVillage LLC

Philadelphia, PA · 19118

484-272-7287

Emily C Dugan

Reg. 68938

Patent agent

Philadelphia, PA · 19134

267-671-2274

Kevin J Dunleavy

Reg. 32024

Patent attorney

Mendelsohn Dunleavy, P.C.

Philadelphia, PA · 19102

215-599-0606

Jonathan M Dunsay

Reg. 65760

Patent attorney

Volpe and Koenig, P.C.

Philadelphia, PA · 19103

215-568-6400

Erin M Dunston

Reg. 51147

Patent attorney

Panitch Schwarze Belisario & Nadel LLP

Philadelphia, PA · 19103

215-965-1291

Dmitry Dymarsky

Reg. 74008

Patent attorney

Baker & Hostetler LLP

Philadelphia, PA · 19104

215-564-2584

Chantal F Edde

Reg. 73696

Patent agent

Morgan, Lewis & Bockius LLP

Philadelphia, PA · 19103-2921

215-963-5656

Zachary S Edmonds

Reg. 70628

Patent attorney

Philadelphia, PA · 19102

267-844-2014

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.