Intellectual Property lawyers in Illinois (NO)

Find a qualified Intellectual Property Lawyer in Illinois through intellectual-property.org’s directory covering Chicago, Springfield and all major Illinois cities. With over 15,000 registered patents annually in the state, our platform connects you to:

  • Local patent and trademark attorneys
  • IP job opportunities across Illinois
  • Regional IP events and conferences
  • Quote requests for IP services

From protecting innovations in the Chicago Tech Hub to managing trademarks in Naperville’s business district, our directory helps secure and defend intellectual property rights throughout Illinois.

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Refine your search for an IP firm in Illinois

Please find below the list of region pages for Illinois Intellectual Property lawyers located in United States.
Map image for Intellectual Property Lawyers in Aurora and Illinois IP firms at coordinates  ; .
0 records
Find qualified Intellectual Property lawyers in Aurora, Illinois through our directory of local attorneys, job listings, and IP events on intellectual-property.org.
Map image for Intellectual Property Lawyers in Chicago and Illinois IP firms at coordinates  ; .
89 records
Find top Intellectual Property lawyers in Chicago through our directory, connecting innovators with local IP experts, jobs and legal resources.
Map image for Intellectual Property Lawyers in Elgin and Illinois IP firms at coordinates  ; .
12 records
Find qualified Intellectual Property lawyers, patent attorneys and legal services in Elgin, Illinois through our comprehensive directory at intellectual-property.org
Map image for Intellectual Property Lawyers in Joliet and Illinois IP firms at coordinates  ; .
1 records
Find trusted Intellectual Property lawyers in Joliet through our directory, connecting Illinois innovators with local IP experts and legal resources.
Map image for Intellectual Property Lawyers in Naperville and Illinois IP firms at coordinates  ; .
12 records
Find qualified Intellectual Property lawyers, patent attorneys, and legal services in Naperville through our comprehensive directory at intellectual-property.org.
Map image for Intellectual Property Lawyers in North Peoria and Illinois IP firms at coordinates  ; .
1 records
Find qualified Intellectual Property lawyers in North Peoria through our directory, job board and events platform at intellectual-property.org
Map image for Intellectual Property Lawyers in Peoria and Illinois IP firms at coordinates  ; .
1 records
Find qualified Intellectual Property lawyers, patent attorneys, and IP services in Peoria through intellectual-property.org's local directory.
Map image for Intellectual Property Lawyers in Rockford and Illinois IP firms at coordinates  ; .
0 records
Find top Intellectual Property lawyers in Rockford through intellectual-property.org's directory, connecting local businesses with IP experts in Illinois.
Map image for Intellectual Property Lawyers in Springfield and Illinois IP firms at coordinates  ; .
0 records
Find top Intellectual Property lawyers in Springfield, IL through intellectual-property.org's directory, jobs board, and local IP services.
Organizations

Top Illinoisan Intellectual Property firms and organizations

Find top Intellectual Property lawyers in Illinois through intellectual-property.org’s directory, job board, and event calendar for Chicago’s innovation hub.

You may also expand your search to IP professionals in United States.

Types of IP firms in Illinois

Please find below the list of Illinoisan intellectual property organizations present in our worldwide directory:

  • Illinoisan intellectual property law firms
  • Specializations in patents, trademarks, copyrights, and more.
  • Easy search by location in Illinois, expertise, or industry
  • Direct messaging with Illinoisan practitioners for quick connections
  • IP firm
  • 222 N La Salle St # 300, Chicago, IL 60601, United States
Gould & Ratner LLP in Chicago offers intellectual property services including trademark protection, patent counseling, IP litigation, and licensing from its La Salle Street office.
  • IP firm
  • 10 South LaSalle, 10 S La Salle St, Chicago, IL 60603, United States
Jerisat & Kostopoulos, LLC provides intellectual property services from their downtown Chicago location, offering patent, trademark, and IP management solutions to Midwest innovators.
  • IP firm
  • 203 N La Salle St #2100, Chicago, IL 60601, United States
Arch & Lake LLP offers intellectual property services from Chicago and Houston offices, with expertise in patents, trademarks, and trade secrets across various technical fields.
  • IP firm
  • 2621 E Chicago St, Valparaiso, IN 46383, United States
Hartman Global IP Law in Valparaiso, Indiana provides patent, trademark, and copyright services to businesses of all sizes, with 30+ years protecting intellectual property.
  • IP firm
  • 216 S Jefferson St Ste 102, Chicago, IL 60661, United States
Invention Mine LLC in Chicago helps clients identify and protect inventions through patent portfolio development and strategic intellectual property services.
  • IP firm
  • 3904 Valley View Rd, Crystal Lake, IL 60012, United States
Underwood & Associates, LLC in Crystal Lake offers patent services for inventors and businesses, specializing in intellectual property protection across multiple technical fields.
  • IP firm
  • 1050 Country Club Rd #1390, Woodstock, IL 60098, United States
Hibbs Law, LLC in Woodstock, Illinois provides intellectual property services including patents, trademarks, and specialized protection for game creators across McHenry County.
  • IP firm
  • 1250 S Grove Ave Suite 305, Barrington, IL 60010, United States
Hanson Law Group in Barrington, Illinois provides intellectual property law services alongside business counsel, litigation, and estate planning across the US from their Illinois and Wisconsin offices.
  • IP firm
  • 5320 W 159th St STE 501, Oak Forest, IL 60452, United States
Joseph A. Korn provides intellectual property services from Oak Forest, IL, offering patent applications, trademark registration, and IP portfolio management for Chicagoland clients.
  • IP firm
  • 1S376 Summit Ave Court C, Oakbrook Terrace, IL 60181, United States
Rockman, Videbeck & O’Connor in Oakbrook Terrace, IL provides intellectual property services including patents, trademarks, and copyright protection worldwide.
  • IP firm
  • 70 W Madison St #5750, Chicago, IL 60602, United States
Thorelli & Associates, located in downtown Chicago, provides patent, trademark, and copyright services to inventors and businesses throughout Illinois and beyond.
  • IP firm
  • W Laraway Rd, Frankfort, IL 60423, United States
Varboncouer Law in Frankfort, IL offers intellectual property services including patents, trademarks, and copyrights to businesses throughout Chicago’s southern suburbs.
Members

Experts in intellectual property

Find the right IP expert for your needs.

Attorneys, agents and more

Browse our directory of:

  1. Illinoisan Patent Agents: Skilled professionals who can help you navigate the complex patent application process.
  2. American IP Attorneys: Experienced lawyers specializing in all aspects of intellectual property law.
  3. IP Consultants based in Illinois: Strategic advisors who can guide your IP portfolio management and monetization.
  4. IP Researchers: Experts in prior art searches, patent landscaping, and IP analytics.

Our directory features verified professionals with expertise across various industries and technologies. From software patents to pharmaceutical trademarks, find the specialist who understands your unique IP challenges.​

Latest Illinoisan practitioners to join the directory

Here are the latest Illinoisan IP practitioners to intellectual-property.org

FAQ

Frequent questions about IP in Illinois

What industries in Illinois most frequently need intellectual property protection?

Several key industries in Illinois regularly seek intellectual property protection:

  • Technology companies in Chicago’s tech hub and the Illinois Technology Corridor
  • Pharmaceutical and biotechnology firms in Lake County
  • Manufacturing businesses throughout the state
  • Agricultural innovation companies in central Illinois
  • Financial technology firms concentrated in Chicago
  • Academic institutions like the University of Illinois system

These sectors regularly work with patent attorneys in Illinois to protect their innovations, trademarks, and trade secrets.

Trademark registration in Illinois offers different protection compared to federal registration:

  • Illinois trademark registration only provides protection within state boundaries
  • State registration costs less than federal USPTO registration
  • Illinois trademarks are filed through the Secretary of State’s office
  • State registration doesn’t provide nationwide priority rights
  • Illinois registration lasts 5 years (compared to 10 years for federal marks)

Most Illinois businesses work with trademark attorneys to secure both state and federal protection for their brands.

Patent law firms in Illinois are concentrated in several key locations:

  1. Downtown Chicago, particularly in the Loop and River North areas
  2. Chicago’s North Shore suburbs including Evanston and Northbrook
  3. The western suburbs, especially Naperville and Oak Brook
  4. Champaign-Urbana near the University of Illinois
  5. Springfield, near state government offices

The highest concentration of patent attorneys practices in Chicago’s Loop, where many serve clients from the technology corridor and manufacturing sectors throughout Illinois.

Law firms in Illinois handle various copyright matters involving:

1. Software code and computer programs

2. Literary works from Illinois authors and publishers

3. Architectural designs for Chicago’s renowned buildings

4. Musical compositions and sound recordings from Chicago’s music scene

5. Visual arts, including photography and digital media

6. Academic and research publications from Illinois universities

Copyright attorneys in Illinois assist with registration, licensing, infringement cases, and fair use analyses across these creative categories.

Chicago startups should consult with an intellectual property attorney at these critical points:

  1. Before publicly disclosing any invention or innovation
  2. When choosing a company or product name
  3. Before launching a website or app
  4. When seeking investor funding
  5. Before entering partnerships or licensing agreements
  6. When competitors appear to be copying products or services

Early consultation with patent and trademark lawyers helps Chicago startups establish strong IP foundations and avoid costly legal issues later.

Businesses need trade secret protection in Illinois because:

The Illinois Trade Secrets Act provides legal remedies for misappropriation of confidential business information. Illinois courts can issue injunctions and award damages when trade secrets are stolen. Many Illinois industries like food manufacturing (Chicago), technology (Research Park at UIUC), and manufacturing (Peoria) rely on trade secrets rather than patents. Non-disclosure agreements are enforceable under Illinois law when properly drafted. Trade secret protection has no expiration date, unlike patents or copyrights.

An attorney focusing on trade secret law can help Illinois businesses implement protection programs and enforce their rights.

Explore

Continue exploring IP firm in United States

Please find below the list of region pages for United States
Map image for Intellectual Property Lawyers in Alabama and United States IP firms at coordinates  ; .
12 records
Find qualified Intellectual Property lawyers in Alabama through our directory, connecting innovators with local experts for patents and trademarks.
Map image for Intellectual Property Lawyers in Alaska and United States IP firms at coordinates  ; .
1 records
Find Intellectual Property lawyers in Alaska through our directory, connecting innovators with local IP experts in Anchorage, Fairbanks and Juneau.
Map image for Intellectual Property Lawyers in Arizona and United States IP firms at coordinates  ; .
31 records
Find top Intellectual Property lawyers in Arizona through our directory, connecting innovators with local IP experts in Phoenix, Tucson and beyond.
Map image for Intellectual Property Lawyers in Arkansas and United States IP firms at coordinates  ; .
9 records
Find qualified Intellectual Property lawyers in Arkansas through intellectual-property.org's directory, job board, and events platform for local IP needs.
Map image for Intellectual Property Lawyers in California and United States IP firms at coordinates  ; .
402 records
Find California's top Intellectual Property lawyers, events and jobs on intellectual-property.org, the leading directory for Silicon Valley IP needs.
Map image for Intellectual Property Lawyers in Colorado and United States IP firms at coordinates  ; .
51 records
Find top Intellectual Property lawyers in Colorado through our directory, offering patent services, trademark registration, and legal resources in Denver.
Map image for Intellectual Property Lawyers in Connecticut and United States IP firms at coordinates  ; .
57 records
Find qualified Intellectual Property lawyers in Connecticut through our directory, job board and events platform at intellectual-property.org.
Map image for Intellectual Property Lawyers in District of Columbia and United States IP firms at coordinates  ; .
53 records
Find trusted Intellectual Property professionals in DC through our comprehensive directory of attorneys, jobs, and IP events near Capitol Hill.