Chicago, Illinois

Patent attorneys in Chicago

Chicago, Illinois is home to 1,862 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 Leydig, Voit & Mayer, LTD, Miller Matthias & Hull LLP, and Fitch, Even, Tabin & Flannery, LLP.

Weidan Fan

Reg. 74304

Patent agent

Leydig, Voit & Mayer, LTD

Chicago, IL · 60601-6731

312-616-5749

Harold J Fassnacht

Reg. 35507

Patent attorney

Miller Matthias & Hull LLP

Chicago, IL · 60606

312-235-4765

Stephen S Favakeh

Reg. 36798

Patent attorney

Fitch, Even, Tabin & Flannery, LLP

Chicago, IL · 60603-3406

312-577-7000

Michael A. Febbo

Reg. 59205

Patent attorney

Hewlett-Packard Company

Chicago, IL · 33121

331-214-6446

Scott Bennett Feder

Reg. 33129

Patent attorney

Locke Lord LLP

Chicago, IL · 60606-4410

312-443-0497

Aaron R. Feigelson

Reg. 59022

Patent attorney

Leydig, Voit & Mayer, Ltd.

Chicago, IL · 60601

312-616-5600

Jacqueline J Felda

Reg. 69622

Patent attorney

Marshall, Gerstein and Borun, LLP

Chicago, IL · 60606

312-474-6300

Mitchell M. Feldhake

Reg. 79902

Patent attorney

Willkie Farr & Gallagher

Chicago, IL · 60654

312-728-9051

Mark I Feldman

Reg. 26880

Patent attorney

DLA Piper LLP

Chicago, IL · 60601

312-368-7084

Steven Eric Feldman

Reg. 40604

Patent attorney

Hahn Loeser & Parks, LLP

Chicago, IL · 60606

312-637-3010

Stephanie J Felicetty

Reg. 50814

Patent attorney

Wm. Wrigley Jr. Company

Chicago, IL · 60642

312-794-6436

Wallace H. Feng

Reg. 78304

Patent attorney

Leydig Voit and Mayer, Ltd.

Chicago, IL · 60601

312-616-5600

Yuezhong Feng

Reg. 58657

Patent attorney

Brinks Gilson & Lione

Chicago, IL · 60611

312-321-4200

Kevin Patrick Ferguson

Reg. 51043

Patent attorney

Motorola Solutions

Chicago, IL · 60661

475-559-4991

Robert M. Fernandes

Reg. 79887

Patent attorney

Taft Stettinius & Hollister LLP

Chicago, IL · 60601

312-840-4372

Roberto J. Fernandez

Reg. 73761

Patent attorney

Foley & Lardner LLP

Chicago, IL · 60610

312-832-4530

Mary R. Fetter

Reg. 82635

Patent agent

McDonnell Boehnen Hulbert & Berghoff LLP

Chicago, IL · 60606

312-913-0001

Lilian Y Ficht

Reg. 64514

Patent agent

Marshall, Gerstein & Borun LLP

Chicago, IL · 60606

312-474-6300

Thomas J Filarski

Reg. 31612

Patent attorney

Steptoe & Johnson LLP

Chicago, IL · 60606

312-577-1300

Paul J Filbin

Reg. 51677

Patent attorney

Leydig Voit and Mayer LTD

Chicago, IL · 60601

312-616-5600

Sergio D. Filice

Reg. 59727

Patent attorney

Hanley, Flight & Zimmerman, LLC

Chicago, IL · 60606

312-580-1020

Marc E Fineman

Reg. 41746

Patent attorney

Levenfeld Pearlstein, LLC

Chicago, IL · 60606

312-476-7558

Karl R Fink

Reg. 34161

Patent attorney

Fitch, Even,Tabin, Flannery, LLP

Chicago, IL · 60603-3406

312-577-7000

Katherine L Fink

Reg. 62147

Patent attorney

Banner & Witcoff, Ltd.

Chicago, IL · 60606

312-463-5000

Herbert H Finn

Reg. 38139

Patent attorney

Greenberg Traurig, LLP

Chicago, IL · 60601

312-456-8427

Julie A. Fischer

Reg. 81577

Patent agent

Chicago, IL · 60657

262-527-1502

Ryan J Fischer

Reg. 55180

Patent agent

Chicago, IL · 60625

760-492-7797

Harriet J. Fitzgerald

Reg. 84878

Patent agent

Chicago, IL · 60610

620-482-2126

Jennifer L Fitzgerald

Reg. 39976

Patent attorney

Freeborn & Peters, LLP

Chicago, IL · 60606

312-360-6585

Ryan T. Fitzgerald

Reg. 79303

Patent attorney

Crowell & Moring

Chicago, IL · 60611

312-321-4200

Common questions

Do patent attorneys in Chicago 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 Chicago tend to track the broader Illinois legal market.

How many USPTO practitioners list a Chicago office?

1,862 USPTO-registered patent practitioners list a Chicago 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 Chicago practitioner remotely?

Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A Chicago-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.