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Patent Attorneys in Chicago, Illinois

87 patent professionals

Updated April 2026

Chicago's patent professionals serve a diverse industrial base spanning manufacturing, financial technology, and consumer products.

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Patent Attorneys in Chicago

Chiacchio IP
Patent Attorney

Chiacchio IP

Chicago, IL

Chiacchio IP, LLC, is a law firm that specializes in intellectual property law. Mr.

Faier & Faier Trademarks and Patents
Law Firm

Faier & Faier Trademarks and Patents

Chicago, IL

A Patent and Trademark Boutique USPTO Registered Attorney We are an office that has grown startups to $1B! Call...

AU LLC
Law Firm

AU LLC

Chicago, IL

AU LLC is an emergent business and intellectual property boutique firm serving an international client base.

Nyman IP LLC
Law Firm

Nyman IP LLC

Chicago, IL

Scott Nyman started Nyman IP as a registered patent attorney that understands the need for efficiency in evaluating and...

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Law Firm

Greer, Burns & Crain, Ltd

Chicago, IL

Meet the GBC Team Greer, Burns & Crain, LTD. attorneys have diverse technical backgrounds in the mechanical,...

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Law Firm

Phillips & Bathke, P.C.

Chicago, IL

Meet the expert attorneys at Phillips & Bathke P.C., specializing in intellectual property, litigation & global brand...

Ziliak Law, LLC
Law Firm

Ziliak Law, LLC

Chicago, IL

Find out more about the experience and skills of the attorneys at Ziliak Law and how they can use these these skills to...

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Law Firm

Global IP Law Group LLC

Chicago, IL

HOMEPROFESSIONALSDavid BertenGraham GerstRagnar OlsonAlison Aubry RichardsMichael HealyPRACTICE AREASPatent...

SpencePC
Law Firm

SpencePC

Chicago, IL

SpencePC is a boutique law firm that focuses on intellectual property and complex litigation.

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Law Firm

Nixon Peabody LLP - Chicago Office

Chicago, IL

Our clients need and expect sophisticated legal counsel. We work efficiently, resolve disputes creatively, solve...

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Law Firm

Vitale, Vickrey, Niro, Solon & Gasey LLP

Chicago, IL

Chicago's proven litigation alternative to Biglaw. Our attorneys are experienced in many areas of civil litigation,...

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Law Firm

Law Office of Edgar A Vega

Chicago, IL

Patent attorney in Chicago, IL. Handles patent and intellectual property matters.

The Law Offices of Konrad Sherinian, LLC
Law Firm

The Law Offices of Konrad Sherinian, LLC

Chicago, IL

“Konrad Sherinian is a talented patent attorney. He had years of experience as an electrical engineer prior to getting...

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Law Firm

Howard & Howard Attorneys PLLC - Chicago

Chicago, IL

In the heart of Chicago, our team of experienced attorneys are able to assist you and your business with whatever legal...

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Law Firm

Thorelli & Associates

Chicago, IL

Learn More Intellectual Property Comprehensive IP protection and management services, including patents, trademarks,...

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Law Firm

Norvell IP llc

Chicago, IL

We are proud to announce that Joe Norvell, Katherine Sieve, and Anthony DeLongis have been selected to the 2026...

Allgaier Patent Solutions ®
Law Firm

Allgaier Patent Solutions ®

Chicago, IL

Prior to attending law school, Fraline J. Allgaier worked as a research associate in the Section of Leukocyte Biology...

Holly Patent Law LLC
Law Firm

Holly Patent Law LLC

Chicago, IL

OUR VISIONWe are here to be your cost efficient and high return on value Intellectual Property firm.

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Law Firm

Crossan Intellectual Property Law, LLC

Chicago, IL

Law firm in Chicago, IL. Handles patent and intellectual property matters.

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Patent Attorney

Russell E. Cass

Chicago, IL

Staying Informed ListenSidley Podcast NetworkJoin us as we bring compelling perspectives on complex, newsworthy topics...

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Law Firm

Irwin IP LLP

Chicago, IL

Our mid-level attorneys are both students and teachers, mentors and mentees.

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Law Firm

Kurt A. Mathas - Winston & Strawn LLP

Chicago, IL

Winston & Strawn LLP is a global law firm with more than 975 attorneys in the United States, Europe, Asia, and South...

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Law Firm

Marshall, Gerstein & Borun LLP

Chicago, IL

Our clients engage experienced scientists and technical professionals to develop world-class products, processes, and...

Advitam IP LLC
Law Firm

Advitam IP LLC

Chicago, IL

Advitam IP helps secure your intellectual property assets in the U.S.

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Patent Attorney

Naughton James P

Chicago, IL

Our founders aspired to create a different kind of law firm when they launched Crowell & Moring in 1979.

Jeffrey Moisan
Patent Attorney

Jeffrey Moisan

Chicago, IL

Richards Patent Law was founded in 2009 by Patrick Richards, a patent attorney and former partner from the Intellectual...

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Law Firm

APEX Patents & Licensing

Chicago, IL

Chicago IP firm helping clients innovate, protect, and grow. Offers comprehensive intellectual property legal services...

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Law Firm

Samantha Maxfield Lerner - Winston & Strawn LLP

Chicago, IL

Winston & Strawn LLP is a global law firm with more than 975 attorneys in the United States, Europe, Asia, and South...

Klintworth and Rozenblat IP LLC
Law Firm

Klintworth and Rozenblat IP LLC

Chicago, IL

At Klintworth & Rozenblat, we pride ourselves on providing comprehensive legal solutions tailored to the unique needs...

Marc Victor Richards
Patent Attorney

Marc Victor Richards

Chicago, IL

Crowell’s Marc Richards and Adam Sussman Author “Patenting Inventions” Chapter for IICLE Intellectual Property Law...

Walter Joseph Kawula Jr.
Patent Attorney

Walter Joseph Kawula Jr.

Chicago, IL

Our attorneys provide expert advice in almost every major area of law, and our work extends far beyond the borders of...

Hopeton Saint John Walker
Patent Attorney

Hopeton Saint John Walker

Chicago, IL

Hopeton Walker, Patent Attorney at CHIP LAW GROUP, focusing on patent prosecution for technology companies in the U.S.,...

von Briesen & Roper, s.c.
Law Firm

von Briesen & Roper, s.c.

Chicago, IL

von Briesen & Roper is an industry leading law firm based in Wisconsin with a strong, diverse and thriving regional,...

Roger M. Masson
Patent Attorney

Roger M. Masson

Chicago, IL

Roger M. Masson is an engineer and lawyer who helps companies protect and maximize the value of their intellectual...

David P. Lindner
Patent Attorney

David P. Lindner

Chicago, IL

Clients appreciate David’s candor and commitment to finding practical and efficient solutions that allow them to...

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Law Firm

George C. Lombardi - Winston & Strawn LLP

Chicago, IL

Winston & Strawn LLP is a global law firm with more than 975 attorneys in the United States, Europe, Asia, and South...

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Law Firm

John R. McNair - Winston & Strawn LLP

Chicago, IL

Winston & Strawn LLP is a global law firm with more than 975 attorneys in the United States, Europe, Asia, and South...

Steven Mcmahon Zeller
Patent Attorney

Steven Mcmahon Zeller

Chicago, IL

Steve Zeller is a seasoned patent attorney and IP practitioner who is as comfortable immersed in the details of complex...

Patrick Duffy Richards
Law Firm

Patrick Duffy Richards

Chicago, IL

Richards Patent Law was founded in 2009 by Patrick Richards, a patent attorney and former partner from the Intellectual...

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Law Firm

Bryce A. Cooper - Winston & Strawn LLP

Chicago, IL

Winston & Strawn LLP is a global law firm with more than 975 attorneys in the United States, Europe, Asia, and South...

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Law Firm

John E. Drosick - Winston & Strawn LLP

Chicago, IL

Winston & Strawn LLP is a global law firm with more than 975 attorneys in the United States, Europe, Asia, and South...

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Patent Attorney

Heidi Ann Dare

Chicago, IL

Joan Kluger is a partner in Barnes & Thornburg's Intellectual Property Department in the Delaware office.

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Patent Attorney

Malaika Tyson

Chicago, IL

Mr. Lambrechts practices both intellectual property and environmental law.

Matthew Scott Dicke
Patent Attorney

Matthew Scott Dicke

Chicago, IL

I enjoy working with a wide variety of clients, understanding each client's unique needs, and developing an IP strategy.

Matthew Vincent Anderson
Law Firm

Matthew Vincent Anderson

Chicago, IL

Mr. Andersonhas experience in the firm’s patent counseling practice group. In this context, Mr.

Rashad Lateef Morgan
Patent Attorney

Rashad Lateef Morgan

Chicago, IL

Clients seeking to secure intellectual property protection to advance their business goals turn to Rashad L. Morgan.

Mitchell Jayson Weinstein
Patent Attorney

Mitchell Jayson Weinstein

Chicago, IL

Mitch Weinstein is a partner in LP's Intellectual Property Group.

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Patent Attorney

Donald J. Silvert

Chicago, IL

Donald J. Silvert is an attorney serving Northbrook, IL. Find contact information, experience, peer reviews,...

Deborah Ann Laughton
Patent Attorney

Deborah Ann Laughton

Chicago, IL

Deborah Laughton is a Shareholder at McAndrews. She counsels clients in a wide range of intellectual property areas,...

Trevor Kyle Copeland
Patent Attorney

Trevor Kyle Copeland

Chicago, IL

Trevor K. Copeland works collaboratively with clients to protect their innovations and designs by building strong...

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Law Firm

David P. Dalke - Winston & Strawn LLP

Chicago, IL

Winston & Strawn LLP is a global law firm with more than 975 attorneys in the United States, Europe, Asia, and South...

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Law Firm

Leydig Voit & Mayer Ltd

Chicago, IL

At Leydig, Voit & Mayer, the lawyers who handle trials and have courtroom expertise also have the technical expertise...

Kevin John Keener
Patent Attorney

Kevin John Keener

Chicago, IL

Mr. Keener represents clients nationally internationally in matters of intellectual property registration, licensing,...

Clare Frederick
Patent Attorney

Clare Frederick

Chicago, IL

I enjoy working with a wide variety of clients, understanding each client's unique needs, and developing an IP strategy.

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Law Firm

Maureen L. Rurka - Winston & Strawn LLP

Chicago, IL

Winston & Strawn LLP is a global law firm with more than 975 attorneys in the United States, Europe, Asia, and South...

David Joseph Marr
Patent Attorney

David Joseph Marr

Chicago, IL

David J. Marr assists clients in intellectual property counseling, litigation and prosecution of patents and...

Yuezhong Feng
Patent Attorney

Yuezhong Feng

Chicago, IL

With a doctorate in organic chemistry, Yuezhong Feng is used to handling challenging subject matter.

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Law Firm

Kimball R. Anderson - Winston & Strawn LLP

Chicago, IL

Winston & Strawn LLP is a global law firm with more than 975 attorneys in the United States, Europe, Asia, and South...

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Law Firm

Ivan M. Poullaos - Winston & Strawn LLP

Chicago, IL

Winston & Strawn LLP is a global law firm with more than 975 attorneys in the United States, Europe, Asia, and South...

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Law Firm

Sarah J. Kalemeris - Winston & Strawn LLP

Chicago, IL

Winston & Strawn LLP is a global law firm with more than 975 attorneys in the United States, Europe, Asia, and South...

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Law Firm

Jerisat & Kostopoulos, LLC

Chicago, IL

Law firm in Chicago, IL. Handles patent and intellectual property matters.

Martin Thomas LeFevour
Patent Attorney

Martin Thomas LeFevour

Chicago, IL

Mark LeFevour Mark is a graduate of Regis College (B.A.) and Loyola University of Chicago-School of Law (J.D.).

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Law Firm

Law Offices of Mark E. Wiemelt, P.C.

Chicago, IL

Patent attorney and founder of Wiemelt Law in Chicago (est. 1993). Harvard Law.

Brian J. Lum
Patent Attorney

Brian J. Lum

Chicago, IL

Patent attorney at Ice Miller LLP in Indianapolis, Indiana.

Rami Naim Moussa
Patent Attorney

Rami Naim Moussa

Chicago, IL

Rami Moussa is a Shareholder at McAndrews. He focuses his practice on strategic patent portfolio development, with an...

Jill Gilbert Welytok
Patent Attorney

Jill Gilbert Welytok

Chicago, IL

Absolute Technology Law Group, LLC strives to achieve objective results.

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Law Firm

Boehnen, Daniel A (McDonnell Boehnen Hulbert & Bergoff LLP)

Chicago, IL

BALANCED FOCUSMBHB devotes about 50% of its practice to patent and trademark prosecution and counseling.

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Law Firm

Torchman IP LLC

Chicago, IL

Law firm in Chicago, IL. Handles patent and intellectual property matters.

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Law Firm

Joseph Herman Paquin Jr.

Chicago, IL

Joan Kluger is a partner in Barnes & Thornburg's Intellectual Property Department in the Delaware office.

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Law Firm

Chapman Spingola, LLP

Chicago, IL

Chapman Spingola is a nationally recognized, boutique law firm leveraging its large-firm experience and results-driven...

Mark Joseph Levine
Patent Attorney

Mark Joseph Levine

Chicago, IL

Registered patent attorney (USPTO #56,565). Practice areas: Patent Appeals, Patent Litigation, Patent Prosecution.

Christopher David Agnew
Patent Attorney

Christopher David Agnew

Chicago, IL

email: direct: main: fax: EDUCATION■ Stanford University Law School, J.D., 2005■ University of Rochester, M.S.

Jordan A. Sigale
Patent Attorney

Jordan A. Sigale

Chicago, IL

Jordan chairs the firm's Intellectual Property Practice Group and concentrates his practice in intellectual property,...

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Patent Attorney

Oliver D Yang

Chicago, IL

He founded Yang Law, LLC with the mission of providing transparent, personalized, and cost-effective legal solutions...

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Law Firm

Julia Mano Johnson - Winston & Strawn LLP

Chicago, IL

Winston & Strawn LLP is a global law firm with more than 975 attorneys in the United States, Europe, Asia, and South...

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Law Firm

Vivek V. Krishnan - Winston & Strawn LLP

Chicago, IL

Winston & Strawn LLP is a global law firm with more than 975 attorneys in the United States, Europe, Asia, and South...

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Law Firm

Brian J. Nisbet - Winston & Strawn LLP

Chicago, IL

Winston & Strawn LLP is a global law firm with more than 975 attorneys in the United States, Europe, Asia, and South...

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Patent Attorney

Joseph Franklin Janas

Chicago, IL

Kevin J. Malaney is senior counsel and an intellectual property lawyer with Foley & Lardner LLP.

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Patent Attorney

Hampton Steven J

Chicago, IL

Patent attorney in Chicago, IL. Handles patent and intellectual property matters.

Nelson Michael Rosario
Patent Attorney

Nelson Michael Rosario

Chicago, IL

Rosario Tech Law, LLC is a boutique law firm focused on companies building the new economy and changing the world.

Kelly Ann Plummer
Patent Attorney

Kelly Ann Plummer

Chicago, IL

Kelly A. Plummer, Ph.D. focuses her practice on pharmaceutical and biotechnology patent matters with an emphasis on...

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Law Firm

Christopher B. Essig - Winston & Strawn LLP

Chicago, IL

Winston & Strawn LLP is a global law firm with more than 975 attorneys in the United States, Europe, Asia, and South...

Caleb R St.-Jean
Patent Attorney

Caleb R St.-Jean

Chicago, IL

I enjoy working with people to help bring better business ideas and technology into the world.

David C. Brezina
Patent Attorney

David C. Brezina

Chicago, IL

David Brezina Avvo Guides Written by Dave Brezina This site is written to entertain and explain some situations which...

Christopher John Betti
Patent Attorney

Christopher John Betti

Chicago, IL

A registered patent lawyer, Christopher J. Betti, Ph.D., concentrates his practice on biotechnology and pharmaceutical...

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Patent Attorney

Cook Alex Ltd.

Chicago, IL

Today’s fast-paced global economy is driven by ideas and Cook Alex understands the importance of protecting these ideas...

Kirsten L. Thomson
Patent Attorney

Kirsten L. Thomson

Chicago, IL

Kirsten Thomson is a founder of GrowIP Law Group LLC. Kirsten’s practice focuses on patent and trademark prosecution...

Specialties in This Area

Software11 of 87
Mechanical9 of 87
Electrical8 of 87
Biotechnology6 of 87
Medical Devices5 of 87
Chemical2 of 87

Frequently Asked Questions

How much does a patent attorney cost in Chicago?

We don't have enough local pricing data for Chicago yet. The national average for a provisional patent is $3,500 and a utility patent is $8,000. Use our cost calculator to estimate costs for your specific invention.

How many patent attorneys are in Chicago, Illinois?

There are 87 patent professionals listed in Chicago, IL. This includes patent attorneys, patent agents, and intellectual property law firms.

What specialties do patent attorneys in Chicago handle?

Patent attorneys in Chicago most commonly handle software, mechanical, electrical, and biotechnology patents. Many attorneys work across multiple specialties, so it's worth reaching out even if your invention doesn't fit neatly into one category.

Do any patent attorneys in Chicago offer free consultations?

Yes, 6 of 87 patent professionals in Chicago offer free initial consultations. A free consultation lets you discuss your invention, understand the patent process, and get a cost estimate before committing.

What is the highest-rated patent attorney in Chicago?

Chiacchio IP has the highest rating in Chicago with 5/5 stars from 19 reviews. Ratings are sourced from Google reviews and reflect client satisfaction, but you should also consider specialties, pricing, and experience when choosing an attorney.

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