Pennsylvania

Patent attorneys in Pennsylvania

Pennsylvania hosts 1,920 active patent practitioners registered with the USPTO Office of Enrollment and Discipline. Patent attorneys and patent agents can both prepare and file patent applications, but only patent attorneys can also offer legal advice on prosecution strategy, freedom-to-operate analyses, and infringement opinions in Pennsylvania. Practitioners are concentrated across 20 cities, with the largest clusters in the metros listed below. Notable firms with multiple registered practitioners in the state include Volpe and Koenig, P.C., Tucker Arensberg, P.C., and Bigelow Patent Law.

Top cities in Pennsylvania

All practitioners in Pennsylvania

Kristin Ann Biedinger

Reg. 60786

Patent attorney

Tucker Arensberg, P.C.

Pittsburgh, PA · 15222

412-594-3916

Richard L Bigelow

Reg. 46038

Patent attorney

Bigelow Patent Law

Mountaintop, PA · 18707

860-930-3074

Oleh V Bilynsky

Reg. 50563

Patent attorney

O'Brien Firm

Philadelphia, PA · 19106

267-758-6029

Alannah M. Binotto

Reg. 83389

Patent attorney

Pittsburgh, PA · 15222

412-973-3353

Linda D Birch

Reg. 38719

Patent agent

FMC Corporation

Philadelphia, PA · 19104

302-366-6267

Joshua S Bish

Reg. 51475

Patent attorney

Reed Smith LLP

Pittsburgh, PA · 15219

412-288-7288

Emily Bishop

Reg. 902497

Limited recognition

Penn State Law, The Pennsylvania State University

University Park, PA · 16802

631-413-5429

Melanie Dawn Bissett

Reg. 58646

Patent agent

Lincoln University, PA · 19352

610-410-7430

Charles Allen Black· Jr

Reg. 53835

Patent attorney

The Law Office of C. Allen Black, Jr.

Allison Park, PA · 15101

412-908-3268

Jennifer C Black

Reg. 79591

Patent attorney

Philadelphia, PA · 19103

215-241-5460

Emmeline L. Blanchard

Reg. 84563

Patent agent

Philadelphia, PA · 19103

484-340-2085

Peter F Blasi· Jr

Reg. 65912

Patent attorney

IPRally Technologies Oy

Nanticoke, PA · 18634

272-446-5846

Benjamin E. Blass

Reg. 67006

Patent agent

Eagleville, PA · 19403

610-945-5590

Christopher H Blaszkowski

Reg. 61461

Patent attorney

RatnerPrestia

King of Prussia, PA · 19406

610-407-0700

Conrad R Blease

Reg. 64881

Patent attorney

Wayne, PA · 19087

484-354-1689

Mark G Bloom

Reg. 35068

Patent attorney

TechNomos, Inc.

Canonsburg, PA · 15317-2288

412-789-7121

Jacob F Blumert

Reg. 75600

Patent attorney

Ratner Prestia

King of Prussia, PA · 19406

610-993-4216

Gareth M. Blyth· II

Reg. 76537

Patent agent

K & L Gates LLP

Pittsburgh, PA · 15222

412-355-6372

Paul Bogdon

Reg. 24092

Patent attorney

Gibsonia, PA · 15044

412-487-1292

Izayah D. Bojanac

Reg. 84085

Patent agent

Pittsburgh, PA · 15202

717-303-7956

Donald M Boles

Reg. 29895

Patent attorney

Law Office of Donald M. Boles

Kintnersville, PA · 18930

267-261-5367

John M Bollinger

Reg. 65711

Patent attorney

Volpe and Koenig, P.C.

Philadelphia, PA · 19103

610-213-6283

Michael J Bonella

Reg. 41628

Patent attorney

Condo Roccia Koptiw LLP

Philadelphia, PA · 19103

215-558-5740

Frank J Bonini· Jr

Reg. 35452

Patent attorney

Frank J. Bonini, Jr., Esq.

Radnor, PA · 19087

484-382-3060

Thane T. Bonnett

Reg. 81343

Patent attorney

Pittsburgh, PA · 15202

412-315-5985

Timothy M Bonura

Reg. 62171

Patent agent

Pittsburgh, PA · 15236

703-528-0820

Joseph P Boos· Jr

Reg. 62745

Patent attorney

Volpe and Koenig, P.C.

Philadelphia, PA · 19103

215-255-9190

Carol I Bordas

Reg. 37284

Patent attorney

Bordas Loutzenhiser & Associates, LLC

Sewickley, PA · 15143

412-366-2004

Caryn C Borg-Breen

Reg. 52637

Patent attorney

Ballard Spahr LLP

Philadelphia, PA · 19103-7599

215-864-8841

Matthew J. Borges

Reg. 79319

Patent attorney

Metz Lewis Brodman Must O'Keefe LLC

Pittsburgh, PA · 15222

412-918-1164

Common questions

Do I need a patent attorney based in Pennsylvania?

No. Every USPTO-registered patent practitioner is licensed to file applications on behalf of inventors in any state, regardless of where the practitioner's office is. Choosing a Pennsylvania-based practitioner can simplify in-person inventor signings, local meetings, and same-time-zone calls, but it is not a legal requirement.

How many patent attorneys are licensed in Pennsylvania?

1,920 active USPTO-registered patent practitioners list a Pennsylvania office address on the OEDCI roster. This includes both patent attorneys (who can also offer legal advice) and patent agents (who can prepare and file patents but not offer broader legal advice).

What is the difference between a patent attorney and a patent agent?

Both pass the USPTO Patent Bar and can prepare, file, and prosecute patent applications. Only patent attorneys also hold a state bar license, meaning they can additionally offer legal advice on infringement, licensing, and litigation strategy. Patent agents tend to charge less per hour and are common at large in-house IP departments.