Philadelphia, Pennsylvania

Patent attorneys in Philadelphia

Philadelphia, Pennsylvania is home to 496 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 Baker & Hostetler LLP, Condo Roccia Koptiw, and Armstrong Teasdale LLP.

Saki Tohyama

Reg. 77399

Patent agent

Armstrong Teasdale LLP

Philadelphia, PA · 19103

267-780-2023

Margaret M Tomaska

Reg. 65938

Patent attorney

Woodcock Washburn, LLP

Philadelphia, PA · 19104

215-568-3100

Kalpesh V Upadhye

Reg. 70236

Patent agent

Flaster Greenberg, P.C.

Philadelphia, PA · 19013

267-681-0464

Samuel Maurice Valla

Reg. 43966

Patent attorney

Baker & Hostetler LLP

Philadelphia, PA · 19104-2891

215-568-3100

Eric Huston Vance

Reg. 47151

Patent attorney

Woodcock Washburn Kurtz MacKiewicz and Norris LLP

Philadelphia, PA · 19103

215-568-3100

Ryan D. VanFossen

Reg. 80229

Patent agent

Philadelphia, PA · 19123

609-410-2972

Ronald J Ventola· II

Reg. 44387

Patent attorney

Panitch Schwarze Belisario & Nadel LLP

Philadelphia, PA · 19103

215-965-1390

Angela Verrecchio

Reg. 54510

Patent attorney

Akin Gump Strauss Hauer & Feld, LLP

Philadelphia, PA · 19103

215-965-1286

Peter A Veytsman

Reg. 45920

Patent attorney

Comcast

Philadelphia, PA · 19103

215-286-4226

David H Vickrey

Reg. 30697

Patent attorney

FMC Corporation

Philadelphia, PA · 19103

215-299-6211

Erik N Videlock

Reg. 53722

Patent attorney

Pepper Hamilton LLP

Philadelphia, PA · 19103

215-981-4027

Katherine R Vieyra

Reg. 47155

Patent attorney

Volpe & Koenig PC

Philadelphia, PA · 19103

215-255-9226

Mark T. Vogelbacker

Reg. 58877

Patent attorney

Eckert Seamans

Philadelphia, PA · 19102

215-851-8504

Marina Volin

Reg. 52328

Patent attorney

Caesar Rivise Bernstein Cohen and Pokotilow LTD

Philadelphia, PA · 19103

215-567-2010

Anthony S Volpe

Reg. 28377

Patent attorney

Volpe and Koenig PC

Philadelphia, PA · 19103

215-568-6400

Matthew S. Voog

Reg. 71870

Patent attorney

Condo Roccia Koptiw

Philadelphia, PA · 19103

215-558-5740

Richard P Wagner

Reg. 43227

Patent agent

University Of Pennsylvania Law School

Philadelphia, PA · 19104

Christina R Walsh

Reg. 61553

Patent attorney

Volpe and Koenig

Philadelphia, PA · 19103

215-568-6400

Serenity M Wang

Reg. 69120

Patent agent

Philadelphia, PA · 19123

510-847-7532

Brian J Watkins

Reg. 55899

Patent attorney

Philadelphia, PA · 19103

215-932-5755

Jessica H Watkins

Reg. 75165

Patent attorney

Ballard Spahr LLP

Philadelphia, PA · 19103

215-864-8633

Jason E. Weil

Reg. 73132

Patent attorney

Akin Gump Strauss Hauer & Feld LLP

Philadelphia, PA · 19103

215-965-1328

Theresa M. Weisenberger

Reg. 65559

Patent attorney

Baker & Hostetler LLP

Philadelphia, PA · 19104-2891

215-568-3100

Stuart Andrew Whittington

Reg. 45215

Patent agent

Volpe Koenig LLP

Philadelphia, PA · 19103

215-255-9230

Tyler D Williams-Amaker

Reg. 84014

Patent agent

Philadelphia, PA · 19144

267-266-7217

Timothy A. Willis

Reg. 80830

Patent attorney

Condo Roccia Koptiw

Philadelphia, PA · 19103

215-558-5740

Khadija D. Wilson

Reg. 81431

Patent agent

n/a

Philadelphia, PA · 19102

347-740-0807

John D. Wilt

Reg. 76110

Patent agent

Volpe and Koenig, P.C.

Philadelphia, PA · 19103

215-255-9187

Christopher A. Winter

Reg. 78296

Patent attorney

Reed Smith LLP

Philadelphia, PA · 19103

215-241-7912

Jonathan R Wise

Reg. 56755

Patent attorney

Greenberg Traurig LLP

Philadelphia, PA · 19103

215-988-7850

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?

496 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.