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, Panitch Schwarze Belisario & Nadel LLP, and Caesar Rivise, PC.

John F Murphy

Reg. 54329

Patent attorney

Baker & Hostetler LLP

Philadelphia, PA · 19104-2891

215-568-3100

Stephen E. Murray

Reg. 63206

Patent attorney

Panitch Schwarze Belisario & Nadel LLP

Philadelphia, PA · 19103

215-965-1307

Thomas D. Murray· IV

Reg. 77720

Patent agent

Saul Ewing LLP

Philadelphia, PA · 19102

215-972-7149

R Touhey Myer

Reg. 64404

Patent agent

Caesar Rivise, PC

Philadelphia, PA · 19103

215-567-2010

Theodore Naccarella

Reg. 33023

Patent attorney

Fisher Broyles, LLP

Philadelphia, PA · 19103

610-207-7641

Simon Nagel

Reg. 74353

Patent attorney

Philadelphia, PA · 19107

610-202-8498

Manish V Namireddy

Reg. 79426

Patent agent

Philadelphia, PA · 19104

817-914-2329

Erin A Napoleon

Reg. 80550

Patent attorney

Philadelphia, PA · 19102

202-329-7527

Priya Narahari

Reg. 71526

Patent attorney

DLA Piper, LLP

Philadelphia, PA · 19103-7300

215-656-2435

Alexander Nelson

Reg. 83089

Patent agent

Philadelphia, PA · 19107

610-322-3681

Kristin Mazany Nevins

Reg. 56775

Patent attorney

Offit Kurman, P.A.

Philadelphia, PA · 19103

267-338-1305

Raymond Nguyen

Reg. 80265

Patent attorney

Ballard Spahr LLP

Philadelphia, PA · 19103

215-864-8269

Christopher L North

Reg. 50433

Patent attorney

Panitch Schwarze

Philadelphia, PA · 19103

215-965-1276

Todd A Norton

Reg. 48636

Patent attorney

Volpe and Koenig P.C.

Philadelphia, PA · 19103

215-255-9135

Kevin T O'Brien

Reg. 78851

Patent agent

Saul Ewing Arnstein & Lehr LLP

Philadelphia, PA · 19102

215-972-7189

Elizabeth M O'Donoghue

Reg. 69190

Patent attorney

Armstrong Teasdale LLP

Philadelphia, PA · 19103

267-780-2012

Nicole J. O'Hara

Reg. 67636

Patent attorney

Pierson Ferdinand LLP

Philadelphia, PA · 19103

215-650-3203

Baha A Obeidat

Reg. 66827

Patent attorney

Volpe Koenig PC

Philadelphia, PA · 19103

215-568-6400

Daniel E. Oberdick· Jr.

Reg. 70997

Patent attorney

Philadelphia, PA · 19107

717-870-9449

Joseph F Oriti

Reg. 47835

Patent attorney

Baker & Hostetler LLP

Philadelphia, PA · 191004

215-568-3100

Joel E Oshtry

Reg. 33204

Patent attorney

Oshtry and Oshtry

Philadelphia, PA · 19103

215-568-4040

Richard Allen Paikoff

Reg. 34892

Patent attorney

Duane Morris LLP

Philadelphia, PA · 19103

215-979-1853

Alicia M Palladino

Reg. 73160

Patent attorney

Goodwin Procter LLP

Philadelphia, PA · 19104

445-207-7800

Tracy U Palovich

Reg. 47840

Patent agent

BakerHostetler

Philadelphia, PA · 19103-7501

215-564-2776

Wenseng Pan

Reg. 57839

Patent attorney

Morgan, Lewis & Bockius LLP

Philadelphia, PA · 19103-2987

215-988-2710

Ronald L Panitch

Reg. 22825

Patent attorney

Panitch Schwarze Belisario & Nadel LLP

Philadelphia, PA · 19103

215-965-1330

Douglas Panzer

Reg. 74286

Patent attorney

Caesar Rivise, PC

Philadelphia, PA · 19103

215-567-2010

Alok A. Parikh

Reg. 71315

Patent attorney

Volpe and Koenig, P.C.

Philadelphia, PA · 19103

215-255-9206

Amit R Parikh

Reg. 65271

Patent attorney

Comcast Cable Communications LLC

Philadelphia, PA · 19103

267-260-2387

Vishal J. Parikh

Reg. 73935

Patent attorney

Morgan, Lewis & Bockius LLP

Philadelphia, PA · 19103

215-963-5494

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.