Northbrook, Illinois

Patent attorneys in Northbrook

Northbrook, Illinois is home to 28 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 Allstate Insurance Company, Astellas US LLC, and IDEX Corporation.

Heather M Barnes

Reg. 44022

Patent attorney

IDEX Corporation

Northbrook, IL · 60062

847-498-7070

Keith Chadwick

Reg. 82970

Patent agent

Northbrook, IL · 60062

765-543-5096

Edward J Chalfie

Reg. 29370

Patent attorney

Edward Chalfie IP Law, P.C.

Northbrook, IL · 60062

312-593-6626

Hsu Heng A Chi

Reg. 73468

Patent attorney

Allstate Insurance

Northbrook, IL · 60062

312-420-9089

Ashley Taylor Corbitt

Reg. 69017

Patent attorney

Allstate Insurance Company

Northbrook, IL · 60062

847-402-1094

Christian C Damon

Reg. 72273

Patent attorney

The Allstate Corporation

Northbrook, IL · 60062

616-822-0433

Kayla S. Epstein

Reg. 84407

Patent agent

Northbrook, IL · 60062

847-951-8654

James Weston Gilles

Reg. 79558

Patent agent

Northbrook, IL · 60062

623-986-7286

Eugene Goryunov

Reg. 61579

Patent attorney

Northbrook, IL · 60062

847-778-3923

Lawrence Mark Kaplan

Reg. 33521

Patent attorney

Northbrook, IL · 60062

847-205-3644

Justin K Lampel

Reg. 51264

Patent attorney

Lampel & Associates, P.C.

Northbrook, IL · 60062

847-845-4345

Kristen Ann-Baugher Lay

Reg. 50553

Patent attorney

Allstate Insurance Company

Northbrook, IL · 60062

847-402-2426

Shannon L Nebolsky

Reg. 41217

Patent attorney

Pioneer Patent, LLC

Northbrook, IL · 60062

847-412-0073

Vivien Chen Nielsen

Reg. 62514

Patent attorney

Astellas US LLC

Northbrook, IL · 60026

224-205-5225

Boris Parad

Reg. 29965

Patent attorney

Parad Law Offices, P.C.

Northbrook, IL · 60062

847-418-2020

Gregory Thomas Pletta

Reg. 47864

Patent attorney

Nanosphere, Inc.

Northbrook, IL · 60062-1829

847-400-9020

Pauls E Reinfelds

Reg. 64539

Patent attorney

Marathon Pharmaceuticals, LLC

Northbrook, IL · 60062

847-715-0607

Roy B Rhee

Reg. 57303

Patent agent

Roy B. Rhee

Northbrook, IL · 60065

224-616-2828

Marina N Saito

Reg. 42121

Patent attorney

Law Office of Edward H Rice, LLC

Northbrook, IL · 60062

312-420-5454

Phillip J Schieffer

Reg. 80903

Patent attorney

Northbrook, IL · 60062

715-579-3814

Chika Sakamoto Seidel

Reg. 65400

Patent attorney

Astellas US LLC

Northbrook, IL · 60062

800-727-7003

Donald J Silvert

Reg. 37552

Patent attorney

Silvert IP Law, PC

Northbrook, IL · 60065

847-834-9764

Sally W Stemwedel

Reg. 43161

Patent agent

Stemwedel & Stemwedel

Northbrook, IL · 60062

847-559-1209

Bianca A Thomae

Reg. 61606

Patent attorney

Northbrook, IL · 60062

312-316-7706

Philip Richard Torf

Reg. 52293

Patent attorney

Torf Law Firm

Northbrook, IL · 60062

847-564-4200

Dmitry Tulchinsky

Reg. 62502

Patent agent

ASTELLAS US LLC

NORTHBROOK, IL · 60062-6111

818-223-1196

Sandra B Weiss

Reg. 30814

Patent attorney

Northbrook, IL · 60062

847-764-8658

Tin-Chuen Yeung

Reg. 40240

Patent agent

Everest International, Inc.

Northbrook, IL · 60062

847-509-1003

Common questions

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

How many USPTO practitioners list a Northbrook office?

28 USPTO-registered patent practitioners list a Northbrook 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 Northbrook practitioner remotely?

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