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 Condo Roccia Koptiw LLP, Baker & Hostetler LLP, and Condo Roccia LLP.

Dante Christian Rohr

Reg. 50659

Patent attorney

Mattioni LTD

Philadelphia, PA · 19106

215-629-1600

Zheng Rong

Reg. 75396

Patent agent

Philadelphia, PA · 19146

480-580-5935

Heather M. Rose

Reg. 67257

Patent attorney

Philadelphia, PA · 19139

215-983-7130

Mark E Rose

Reg. 42113

Patent attorney

Condo Roccia Koptiw LLP

Philadelphia, PA · 19103

215-764-5927

Jeffrey Harris Rosedale

Reg. 46018

Patent attorney

Baker & Hostetler LLP

Philadelphia, PA · 19103-7501

215-568-3100

Mark J Rosen

Reg. 39822

Patent attorney

Naval Surface Warfare Center, Philadelphia Division

Philadelphia, PA · 19112

215-897-2935

Andrew M. Rosenau

Reg. 74041

Patent attorney

Philadelphia, PA · 19147

215-317-5091

Joseph Dominic Rossi

Reg. 47038

Patent attorney

Armstrong Teasdale LLP

Philadelphia, PA · 19103

267-780-2002

Michael S Ryan

Reg. 63115

Patent agent

Philadelphia, PA · 19103

610-574-1318

Lynn E Rzonca

Reg. 35998

Patent attorney

Ballard Spahr, LLP

Philadelphia, PA · 19103

215-864-8109

Steven B Samuels

Reg. 37711

Patent attorney

Baker & Hostetler LLP

Philadelphia, PA · 19104

215-564-0564

Kristina I Sanchez

Reg. 76284

Patent agent

Mendelsohn Dunleavy, P.C.

Philadelphia, PA · 19102

215-557-6656

Mari J. Sanchez

Reg. 73942

Patent agent

Keisen Associates

Philadelphia, PA · 19103

215-701-6349

Andrew Lee Schaeffer

Reg. 33605

Patent attorney

Ballard Spahr LLP

Philadelphia, PA · 19103-7599

215-864-8884

Stuart A. Schanbacher

Reg. 61895

Patent attorney

Condo Roccia LLP

Philadelphia, PA · 19103

215-558-5740

Joshua D. Schmid

Reg. 78244

Patent agent

Volpe & Koenig P.C.

Philadelphia, PA · 19103

609-313-8038

William W Schwarze

Reg. 25918

Patent attorney

Panitch Schwarze Belisario & Nadel LLP

Philadelphia, PA · 19103

215-965-1330

Andrew F Schwerin

Reg. 72999

Patent agent

Reed Smith LLP

Philadelphia, PA · 19103

215-241-7987

Daniel M Scolnick

Reg. 52201

Patent attorney

Goodwin Procter, LLP

Philadelphia, PA · 19104

445-207-7810

Raymond N Scott· Jr

Reg. 48666

Patent attorney

Flaster Greenberg PC

Philadelphia, PA · 19103

484-868-4955

Matthew B Seeley

Reg. 70727

Patent attorney

Flaster Greenberg PC

Philadelphia, PA · 19103

267-681-0461

Marc S Segal

Reg. 40163

Patent attorney

Ballard Spahr Andrews & Ingersoll LLP

Philadelphia, PA · 19103-7599

215-864-8843

Bijal J Shah-Creamer

Reg. 65663

Patent attorney

Panitch Schwarze Belisario & Nadel LLP

Philadelphia, PA · 19103-7044

215-965-1330

Arshid A Sheikh

Reg. 70729

Patent attorney

Condo Roccia LLP

Philadelphia, PA · 19103

215-558-5740

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

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.