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 Saul Ewing Arnstein & Lehr LLP, Caesar Rivise, PC, and Condo Roccia Koptiw LLP.

Jingshi Shi

Reg. 81548

Patent attorney

Condo Roccia Koptiw LLP

Philadelphia, PA · 19103

215-372-2285

Linda X Shi

Reg. 64800

Patent attorney

50on Red

Philadelphia, PA · 19104

215-695-5024

Anthony D. Sierra

Reg. 78688

Patent attorney

Akin Gump Strauss & Feld, LLC

Philadelphia, PA · 19103-7013

215-965-1384

Domingos J Silva

Reg. 64197

Patent attorney

Saul Ewing Arnstein & Lehr LLP

Philadelphia, PA · 19102-2186

215-972-1089

Robert S Silver

Reg. 35681

Patent attorney

Langer, Grogan and Diver, P.C.

Philadelphia, PA · 19103

215-320-5660

John F. Silvester

Reg. 82015

Patent attorney

Philadelphia, PA · 19103

215-279-9913

Benjamin N Simler

Reg. 80554

Patent attorney

Ballard Spahr LLP

Philadelphia, PA · 19103-7599

215-864-8872

Mark Douglas Simpson

Reg. 32942

Patent attorney

Saul Ewing Arnstein & Lehr LLP

Philadelphia, PA · 19102-2186

215-972-7880

Cassius K Sims

Reg. 65822

Patent attorney

Comcast

Philadelphia, PA · 19103

215-286-6786

Sara E Sims

Reg. 75470

Patent agent

Morgan, Lewis & Bockius LLP

Philadelphia, PA · 19103

215-963-5630

Henry Howson Skillman

Reg. 17352

Patent attorney

Dann Dorfman Herrell and Skillman

Philadelphia, PA · 19103-2307

215-563-4100

Scott M Slomowitz

Reg. 39032

Patent attorney

Caesar Rivise, PC

Philadelphia, PA · 19103

215-567-2010

Yevgeniy Slutskiy

Reg. 73541

Patent agent

Philadelphia, PA · 19103

646-250-3088

Alex Russell Sluzas

Reg. 28669

Patent attorney

Paul & Paul

Philadelphia, PA · 19103

215-568-4900

Andrea D Small

Reg. 54859

Patent attorney

FMC Corporation

Philadelphia, PA · 19103

215-299-6870

Stuart I Smith

Reg. 42159

Patent attorney

The Belles Group, P.C.

Philadelphia, PA · 19103

703-244-8133

Richard Morris Snead

Reg. 33554

Patent agent

Thomson Reuters

Philadelphia, PA · 19130

215-218-8071

Michael F Snyder

Reg. 58347

Patent attorney

Volpe & Koenig, P.C.

Philadelphia, PA · 19103

215-568-6400

Neha Shailesh Sohoni

Reg. 902470

Limited recognition

University of Pennsylvania Law School

Philadelphia, PA · 19106

904-710-3159

Leea S Somersalo

Reg. 68409

Patent attorney

Koivula & Somersalo LLC

Philadelphia, PA · 19146

240-490-0171

Samuel Son

Reg. 82648

Patent attorney

Philadelphia, PA · 19107

267-399-0247

Thomas M Sossong

Reg. 48463

Patent attorney

Temple University Health System

Philadelphia, PA · 19111

888-369-2427

Jake W. Soumis

Reg. 61823

Patent attorney

Crown Holdings, Inc.

Philadelphia, PA · 19154-4599

215-698-5079

Richard Starynski

Reg. 50984

Patent attorney

Naval Surface Warfare Ctr

Philadelphia, PA · 19112

215-897-8876

Barry Allen Stein

Reg. 25257

Patent attorney

Caesar Rivise, PC

Philadelphia, PA · 19103

215-567-2010

Robert W Stevenson

Reg. 31064

Patent attorney

Caesar Rivise

Philadelphia, PA · 19103

215-567-2010 X112

Chad O. Stouffer

Reg. 70900

Patent attorney

Cozen O'Connor

Philadelphia, PA · 19103

215--66-5-2100

Eugene P Sunday

Reg. 57810

Patent attorney

Flaster Greenberg

Philadelphia, PA · 19103

215-320-3727

Jordan A. Sworen

Reg. 72182

Patent attorney

Argus Intellectual Enterprise

Philadelphia, PA · 19102

717-322-4779

Paul A Taufer

Reg. 35703

Patent attorney

DLA Piper US LLP

Philadelphia, PA · 19103

215-656-3385

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.