Chicago, Illinois

Patent attorneys in Chicago

Chicago, Illinois is home to 1,891 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 Flener IP Law, LLC, Ice Miller LLP, and Actuate Law LLC.

Gregory F Sutthiwan

Reg. 55816

Patent agent

Chicago, IL · 60660

773-230-7415

Kristina L Swanson

Reg. 67406

Patent attorney

Chicago, IL · 60604

773-208-7047

John R. Sweet

Reg. 59770

Patent agent

Chicago, IL · 60601

404-793-6866

Sean S Swidler

Reg. 49033

Patent attorney

Flener IP Law, LLC

Chicago, IL · 60202

312-724-8874

Justin Swindells

Reg. 48733

Patent attorney

Ice Miller LLP

Chicago, IL · 60606

312-705-6021

Michael D Switzer

Reg. 39552

Patent attorney

Actuate Law LLC

Chicago, IL · 60661

312-579-3136

Slawomir Z Szczepanski

Reg. 27957

Patent attorney

S.Z. Szczepanski Law Firm

Chicago, IL · 60614

312-636-0528

Ashlee B Szelag

Reg. 65580

Patent attorney

Leydig, Voit & Mayer

Chicago, IL · 60601

312-616-5600

My Chau Ta

Reg. 80110

Patent agent

McDonnell Boehnen Hulbert & Berghoff LLP

Chicago, IL · 60606

312-913-0001

Aaron C Taggart

Reg. 75597

Patent attorney

Cognizant

Chicago, IL · 60614

415-265-6336

Ashish R Talati

Reg. 53671

Patent attorney

Amin Talati LLC

Chicago, IL · 60603

312-466-1033

Hao Tan

Reg. 73711

Patent attorney

Arch & Lake LLP

Chicago, IL · 60601

312-375-9408

Susan L. Tanaka

Reg. 71653

Patent attorney

Chicago, IL · 60654

208-490-0412

Wayne L Tang

Reg. 36028

Patent attorney

Nixon Peabody LLP

Chicago, IL · 60602

312-425-8641

Matthew R Tanke

Reg. 73751

Patent attorney

Neal, Gerber & Eisenberg LLP

Chicago, IL · 60602-3801

312-269-5324

Aaron Kent Tantleff

Reg. 53879

Patent attorney

Foley & Lardner LLP

Chicago, IL · 60654

312-832-4367

Anna M Targowska

Reg. 71672

Patent attorney

Steptoe & Johnson LLP

Chicago, IL · 60606

312-577-1300

Bradley M. Taub

Reg. 67300

Patent attorney

Nixon Peabody LLP

Chicago, IL · 60602

312-425-8563

Caroline A Teichner

Reg. 71689

Patent attorney

The Kraft Heinz Company

Chicago, IL · 60601

312-282-5588

Elissa N Tenenbaum

Reg. 80976

Patent attorney

Crowell and Moring

Chicago, IL · 60611

312-840-3283

Nicholas K. Terrell

Reg. 71868

Patent attorney

Marshall Gerstein & Borun, LLP

Chicago, IL · 60606

312-474-6300

Maxwell H. Terry

Reg. 82672

Patent attorney

Sidley Austin LLP

Chicago, IL · 60603

312-853-2171

Reeya Thakrar

Reg. 76020

Patent attorney

Drinker Biddle & Reath LLP

Chicago, IL · 60606

214-405-6596

Jennifer J. Theis

Reg. 64321

Patent attorney

Brinks Gilson & Lione

Chicago, IL · 60611

312-840-3289

Jonathan Burgess Thielbar

Reg. 70453

Patent attorney

Loeb & Loeb, LLP

Chicago, IL · 60654

312-464-3326

David M Thimmig

Reg. 36034

Patent attorney

Cook Alex, Ltd.

Chicago, IL · 60606

312-236-8500

Tina E Thomas

Reg. 75089

Patent attorney

Sram LLC

Chicago, IL · 60607

312-664-8800

Eley O Thompson

Reg. 36035

Patent attorney

Leydig Voit and Mayer, Ltd

Chicago, IL · 60601-6731

312-616-5600

Jacqueline L. Thompson

Reg. 81526

Patent attorney

Fitch, Even, Tabin & Flannery, LLP

Chicago, IL · 60603

312-577-700

Ethan A. Tibbs

Reg. 78552

Patent agent

Chicago, IL · 60614

205-586-0719

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?

1,891 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.