Patent Law Lawyers Across Illinois

Compare verified patents attorney profiles, read client reviews, and request free consultations across Illinois

76 lawyers found

Illinois residents facing patents issues have access to attorneys who specialize in patent prosecution, patent infringement litigation, patent portfolio management, licensing, and prior art searches. The legal framework in Illinois differs from other states in important ways, and the attorneys listed here have experience navigating Circuit Court proceedings and the specific regulations that govern patents cases in this jurisdiction.

The statute of limitations for patents matters in Illinois is generally 10 years written, 5 years oral, though specific deadlines vary by case type. Cases proceed through Circuit Court, and Illinois's state laws may provide protections or requirements that differ from federal standards. The Illinois State Bar Association sets the professional standards for practitioners, and attorneys who focus on patents in Illinois bring jurisdictional expertise that general practitioners often lack.

The patents attorneys listed here practice throughout Illinois and can be filtered by location, reviews, and experience. Each profile includes practice area details, office locations, and client feedback. We recommend comparing several attorneys before making a decision — most offer free initial consultations, which gives you a chance to evaluate their approach and determine whether they're the right fit.

For a detailed overview of how patents law works in Illinois — including key statutes, deadlines, and what to expect from the legal process — Read our complete guide to patents law in Illinois. If you're ready to take the next step, browse the attorney profiles below and reach out for a free consultation.

Marc Whipple - Attorney
Marc Whipple
0/5 (0 reviews)
Stein IP, LLC
 330 East Main Street Suite 211 Barrington IL 60010
(847) 452-5786
English
Illinois Bar
Unknown Status
Business Law Communications & Internet Law Entertainment & Sports Law
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Julie C. King - Attorney
Julie C. King
0/5 (0 reviews)
The Law Office of Julie C. King, PLLC
 301 N. Neil, Suite 400 CHAMPAIGN IL 61820
(217) 714-8558
University of Illinois - Springfield (2012)
United States Patent and Trademark Office Bar
Unknown Status
Business Law Estate Planning Intellectual Property
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Margaret Marie Anderson - Attorney
Margaret Marie Anderson
0/5 (0 reviews)
Anderson Law Group LLC
 9600 Great Hills Trail Austin TX 78759
(512) 826-5598
University of Illinois College of Law (1990)
Spanish
Illinois Bar
Active License
Business Law Communications & Internet Law Entertainment & Sports Law
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Nancy Kemp Ducharme - Attorney
Nancy Kemp Ducharme
0/5 (0 reviews)
Law Office of Nancy K. Ducharme
 P.O. Box 222 Tinley Park IL 60477
(708) 444-7900
Illinois Bar
Active License
Business Law Communications & Internet Law Entertainment & Sports Law
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James D Mitchell - Attorney
James D Mitchell
0/5 (0 reviews)
Lee Sheikh & Haan LLC
 125 S Clark Street Suite 1175 Chicago IL 60603
(312) 982-0070
Chicago-Kent College of Law, Illinois Institute of Technology (2015)
Illinois Bar
Unknown Status
Intellectual Property Patents Trademarks
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Juan Ooink - Attorney
Juan Ooink
0/5 (0 reviews)
Ooink Law
 1947 Barrington Ave Bolingbrook IL 60490
(773) 720-9736
DePaul College of Law (2000)
Bar #d9cb5aeb-aa64-eb11-b810-000d3a9f4eeb
7th Circuit Bar
Active License
Verified
Criminal Law Domestic Violence DUI & DWI
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Adam Edward Urbanczyk - Attorney
Adam Edward Urbanczyk
0/5 (0 reviews)
Au LLC
 564 W. Randolph St. 2nd Floor Chicago IL 60661
(312) 715-7312
The John Marshall Law School (2006)
English
Illinois Bar
Unknown Status
Business Law Communications & Internet Law Intellectual Property
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Steven M. Evans - Attorney
Steven M. Evans
0/5 (0 reviews)
Chicago IP Law
 The Promenade Building 50 South Main Street, Suite 200 Naperville IL 60540
(630) 544-9395
Indiana University - Indiana University-Bloomington (1986)
Hawaii Bar
Unknown Status
Arbitration & Mediation Intellectual Property Patents
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James Morici Jr - Attorney
James Morici Jr
0/5 (0 reviews)
Morici, Longo & Associates
 730 W. Randolph Street Chicago IL 60661
(312) 779-0366
DePaul College of Law
English
Illinois Bar
Active License
Construction Law Nursing Home Abuse Patents
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David Brezina - Attorney
David Brezina
0/5 (0 reviews)
 224 S Michigan Ave Chicago IL 60604
(312) 408-2532
John Marshall Law School (1988)
Federal Circuit Bar
Active License
Antitrust Law Business Law Communications & Internet Law
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Mark Varboncouer - Attorney
Mark Varboncouer
0/5 (0 reviews)
Varboncouer Law
 8767 Larawary Road Frankfort IL 60423
(815) 278-2448
University of Illinois College of Law (1997)
English
Illinois Bar
Unknown Status
Bankruptcy Business Law Employment Law
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Jeremy Gibson - Attorney
Jeremy Gibson
0/5 (0 reviews)
Jeremy A. Gibson & Associates, P.C.
 Tower Floor 1415 West 22nd Street Oak Brook IL 60523
University of Michigan Law School (1987)
Illinois Bar
Active License
Business Law Consumer Law Employment Law
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Mark E. Wiemelt - Attorney
Mark E. Wiemelt
0/5 (0 reviews)
Law Offices of Mark E. Wiemelt, P.C.
 31 E. Ogden Ave., #123 LaGrange IL 60525
(312) 498-3377
Harvard Law School (2014)
English
United States District Court - Southern District of New York (pro hac vice) Bar
Active License
Intellectual Property Patents Trademarks
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Brian E Haan - Attorney
Brian E Haan
0/5 (0 reviews)
Lee Sheikh Megley & Haan
 111 W. Jackson Blvd., Suite 2230 Chicago IL 60604
(312) 982-0070
Chicago-Kent College of Law, Illinois Institute of Technology (2005)
Illinois Bar
Unknown Status
Intellectual Property Patents Trademarks
View Profile Claim
Patrick Richards - Attorney
Patrick Richards
0/5 (0 reviews)
Richards Patent Law P.C.
 233 S. Wacker Dr., 84th Floor Chicago IL 60606
University of Virginia School of Law (1997)
English
Illinois Bar
Unknown Status
Intellectual Property Patents Trademarks
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Jeffrey Moisan - Attorney
Jeffrey Moisan
0/5 (0 reviews)
Richards Patent Law
 233 S Wacker Dr. Suite 8400 Chicago IL 60606
(312) 283-8555
DePaul College of Law (2012)
English
Illinois Bar
Unknown Status
Intellectual Property Patents Trademarks
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Bruce E Burdick - Attorney
Bruce E Burdick
0/5 (0 reviews)
The Burdick Law Office
 3656 Western Ave. Alton IL 62002
(618) 462-3450
University of Texas - Austin (1970)
Unknown Status
Arbitration & Mediation Entertainment & Sports Law Intellectual Property
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Constantine Trela Jr - Attorney
Constantine Trela Jr
0/5 (0 reviews)
Sidley Austin LLP
 One South Dearborn Chicago 60603
(312) 853-7293
Northwestern University School of Law (1976)
7th Circuit Bar
Unknown Status
Appeals & Appellate Business Law Employment Law
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Dan Gjorgiev - Attorney
Dan Gjorgiev
0/5 (0 reviews)
Lee Sheikh & Haan LLC
 125 South Clark Street Suite 1175 Chicago IL 60603
(312) 982-0070
Chicago-Kent College of Law, Illinois Institute of Technology
Macedonian
7th Circuit Bar
Unknown Status
Intellectual Property Patents Trademarks
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Caleb R St.-Jean - Attorney
Caleb R St.-Jean
0/5 (0 reviews)
The Law Office of Caleb St.-Jean
 155 N Wacker Dr Suite 4250 Chicago IL 60606
(312) 550-5018
Chicago-Kent College of Law, Illinois Institute of Technology (2011)
English
Illinois Bar
Unknown Status
Intellectual Property Patents Trademarks
View Profile Claim
Joseph E. Reed - Attorney
Joseph E. Reed
0/5 (0 reviews)
Caterpillar
 100 N.E. Adams Street Peoria IL 61615
(309) 494-7649
Georgetown University Law Center (2006)
English
California Bar
Active License
Intellectual Property Patents
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Lesley A. Wallerstein - Attorney
Lesley A. Wallerstein
0/5 (0 reviews)
 500 Lake Cook Road Suite 350 Deerfield IL 60015
(847) 912-3553
Boston University (1998)
U.S. Patent & Trademark Office Bar
Unknown Status
Intellectual Property Patents Trademarks
View Profile Claim
Reno R. Renzetti - Attorney
Reno R. Renzetti
0/5 (0 reviews)
 225 W. Washington St. 22nd Floor Chicago IL 60606
(312) 325-7330
The John Marshall Law School
Unknown Status
Divorce Family Law Intellectual Property
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Elaine Ramesh - Attorney
Elaine Ramesh
0/5 (0 reviews)
Flener IP & Business Law LLC
 77 W. Washington St. Suite 800 Chicago IL 60602
3127248874102
Texas A&M University - College Station
French
Illinois Bar
Unknown Status
Intellectual Property Patents Trademarks
View Profile Claim
Robert P. Greenspoon - Attorney
Robert P. Greenspoon
0/5 (0 reviews)
Flachsbart & Greenspoon, LLC
 333 North Michigan Avenue 27th Floor Chicago IL 60601
(312) 551-9500
University of Michigan Law School (1992)
Illinois Bar
Unknown Status
Intellectual Property Patents
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Konrad Sherinian - Attorney
Konrad Sherinian
0/5 (0 reviews)
The Law Offices of Konrad Sherinian, LLC
 180 N. LaSalle Suite # 3700 Chicago IL 60606
(312) 635-5751
The John Marshall Law School (2003)
Illinois Bar
Unknown Status
Intellectual Property Medical Malpractice Patents
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Michael La Porte - Attorney
Michael La Porte
0/5 (0 reviews)
Flachsbart & Greenspoon, LLC
 333 N. Michigan Avenue Suite 2700 Chicago IL 60601
(312) 551-9500
Illinois Institute of Technology (1993)
Federal Circuit Bar
Unknown Status
Intellectual Property Patents
View Profile Claim
Ashley E. LaValley - Attorney
Ashley E. LaValley
0/5 (0 reviews)
Lee, Sheikh, Megley & Haan LLC
 111 W. Jackson Boulevard Suite 2230 Chicago IL 60604
(312) 982-0068
The George Washington University Law School (2008)
Illinois Bar
Unknown Status
Intellectual Property Patents Trademarks
View Profile Claim
Scott Nyman - Attorney
Scott Nyman
0/5 (0 reviews)
Nyman IP LLC; Chiacchio IP, LLC
 307 N Michigan Ave #2011 Chicago IL 60601
(312) 487-2532
Nova Southeastern University (2009)
English
Illinois Bar
Unknown Status
Intellectual Property Patents Trademarks
View Profile Claim
Theodore Chiacchio - Attorney
Theodore Chiacchio
0/5 (0 reviews)
Chiacchio IP, LLC
 307 N Michigan Ave #2011 Chicago IL 60601
(312) 815-2384
Cornell Law School (1999)
English
Illinois Bar
Unknown Status
Intellectual Property Patents Trademarks
View Profile Claim
Clare Frederick - Attorney
Clare Frederick
0/5 (0 reviews)
 233 South Wacker Drive 84th Floor Chicago IL 60606
Chicago-Kent College of Law, Illinois Institute of Technology (2008)
English
Illinois Bar
Unknown Status
Intellectual Property Patents Trademarks
View Profile Claim
Anne Thar - Attorney
Anne Thar
0/5 (0 reviews)
 35 West Wacker Drive Chicago IL 60601
(312) 558-7910
Northwestern University (1983)
German
Illinois Bar
Unknown Status
Antitrust Law Appeals & Appellate Construction Law
View Profile Claim
Barbara Sessions - Attorney
Barbara Sessions
0/5 (0 reviews)
 35 West Wacker Drive Chicago IL 60601
(312) 558-5834
DePaul University (1986)
Illinois Bar
Unknown Status
Antitrust Law Appeals & Appellate Construction Law
View Profile Claim
Gregory McConnell - Attorney
Gregory McConnell
0/5 (0 reviews)
 35 W Wacker Dr Chicago IL 60601
(312) 558-8068
George Washington University (1990)
Illinois Bar
Unknown Status
Antitrust Law Appeals & Appellate Construction Law
View Profile Claim
Showing 1-40 of 76 attorneys
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