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 Volpe and Koenig, PC, Baker & Hostetler LLP, and Morgan, Lewis & Bockius LLP.

Thomas Geroulo

Reg. 64146
Patent attorney

Weber Gallagher Simpson Stapleton Fires & Newby

Philadelphia, PA · 19103

215-972-7900

Victor P Ghidu

Reg. 74630
Patent attorney

Morgan, Lewis & Bockius LLP

Philadelphia, PA · 19103

215-963-5719

Michael T. I. Ghobrial

Reg. 65915
Patent attorney

Condo Roccia LLP

Philadelphia, PA · 19103

215-558-5740

Benjamin J. Gillespie

Reg. 67282
Patent agent

Philadelphia, PA · 19130

215-593-5636

Jeffrey M Glabicki

Reg. 42584
Patent attorney

Volpe and Koenig, PC

Philadelphia, PA · 19103

215-568-6400

Daniel J Goettle

Reg. 50983
Patent attorney

Baker & Hostetler LLP

Philadelphia, PA · 19103-7501

215-568-3100

Julie S Goldemberg

Reg. 72222
Patent attorney

Morgan, Lewis & Bockius LLp

Philadelphia, PA · 19103

215-963-5095

Daniel H Golub

Reg. 33701
Patent attorney

VOLPE AND KOENIG, P.C.

Philadelphia, PA · 19103

267-693-4322

Jianwu Gong

Reg. 800134
Limited recognition

Flaster Greenberg P.C.

Philadelphia, PA · 19103

215-279-9393

Laura R Gordon

Reg. 69862
Patent attorney

Baker & Hostetler LLP

Philadelphia, PA · 19103-7501

215-564-2587

Robert E. Gordon

Reg. 70132
Patent attorney

Flaster Greenberg PC

Philadelphia, PA · 19103

215-279-9392

James G Gorman· III

Reg. 74161
Patent agent

Philadelphia, PA · 19107

267-443-4139

David B Gornish

Reg. 57513
Patent attorney

Eckert Seamans Cherin & Mellott, LLC

Philadelphia, PA · 19102

215-851-8469

Lewis F Gould· Jr

Reg. 25057
Patent attorney

Duane Morris LLP

Philadelphia, PA · 19103-4196

215-979-1282

Gayle G Gowen

Reg. 73698
Patent attorney

Morgan, Lewis & Bockius, LLP

Philadelphia, PA · 19103

215-963-5435

Adam J. Greenspan

Reg. 61741
Patent agent

Philadelphia, PA · 19103

215-405-0125

Joseph J Gribbin

Reg. 70936
Patent attorney

Dechert LLP

Philadelphia, PA · 19104

215-994-4000

Gail H Griffin

Reg. 51941
Patent attorney

FMC Corporation

Philadelphia, PA · 19104

215-299-6503

Danielle N Gross

Reg. 74555
Patent agent

Volpe and Koenig, P.C.

Philadelphia, PA · 19103

215-255-9233

Felicity Elisabeth Groth

Reg. 47042
Patent attorney

Baker & Hostetler LLP

Philadelphia, PA · 19103-7501

215-568-3100

Deborah M. Grove

Reg. 61091
Patent agent

DLA Piper LLP

Philadelphia, PA · 19103

215-656-3318

Yuri A Gruzdkov

Reg. 50762
Patent attorney

Mendelsohn Dunleavy, P.C.

Philadelphia, PA · 19102

215-557-8544

Jarrad M Gunther

Reg. 63903
Patent attorney

Duane Morris LLP

Philadelphia, PA · 19103

215-979-1837

Damon Gupta

Reg. 77631
Patent attorney

Spark Therapeutics

Philadelphia, PA · 19104

267-817-2653

Joseph P Gushue

Reg. 59819
Patent attorney

Volpe and Koenig, PC

Philadelphia, PA · 19103

215-570-3300

David S Guttman

Reg. 27479
Patent attorney

Guttman Patent Office

Philadelphia, PA · 19103-3025

215-995-5109

Patrick J Hagan

Reg. 27643
Patent attorney

Dann, Dorfman, Herrell and Skillman PC

Philadelphia, PA · 19103-2307

215-563-4100

Michael J. Haggerson

Reg. 71037
Patent attorney

DLA Piper LLP

Philadelphia, PA · 19103

215-656-2467

Christopher Ian Halliday

Reg. 42621
Patent attorney

Morgan, Lewis & Bockius LLP

Philadelphia, PA · 19103

215-963-5337

Gerald B Halt· Jr

Reg. 37633
Patent attorney

Volpe and Koenig, PC

Philadelphia, PA · 19103

215-568-6400

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.
build 4315ed5 · 2026-05-22 17:55 EDT