#1Aaron A Barlow (Jenner & Block LLP)
Based in Chicago, IL
Patent Attorneys & Agents in Cook County, IL
The top-ranked patent attorneys and agents serving Cook County, IL are Aaron A Barlow (Jenner & Block LLP), Aaron B. Goodman (Baker Hostetler LLP) and Aaron C Taggart (Cognizant). We list 2727 patent attorneys and agents serving Cook County, IL. 30 of the providers shown match an active record from U.S. Patent and Trademark Office, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.
Patent Attorneys & Agents serving Cook County, IL. 2727 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.
Top 10 ranked patent attorneys and agents for Cook County
#2Aaron B. Goodman (Baker Hostetler LLP)
Based in Chicago, IL#3Aaron C Taggart (Cognizant)
Based in Chicago, IL#4Aaron J Morrow (K&L Gates LLP)
Based in Chicago, IL#5Aaron J Weinzierl (United Airlines, Inc.)
Based in Chicago, IL#6Aaron Kent Tantleff (Foley & Lardner LLP)
Based in Chicago, IL#7Aaron Michael Peters (Marshall, Gerstein & Borun LLP)
Based in Chicago, IL#8Aaron P Bowling (Banner & Witcoff, Ltd.)
Based in Chicago, IL#9Aaron R. Feigelson (Leydig, Voit & Mayer, Ltd.)
Based in Chicago, IL#10Aaron R Keith (United States Department of Energy)
Based in Lemont, IL
20 more providers serving this area
- Aaron V Gin (McDonnell Boehnen Hulbert & Berghoff LLP), Chicago, IL
- Abdelkader Gacem (Brinks Hofer Gilson & Lione), Chicago, IL
- Abhishek Rastogi (Research In Motion Corporation), Rolling Meadows, IL
- Abigail J. Clark (Foley & Lardner LLP), Chicago, IL
- A Blair Hughes (McDonnell Boehnen Hulbert & Berghoff LLP), Chicago, IL
- Adam D. Sussman, Chicago, IL
- Adam E. Urbanczyk (Au, LLC), Chicago, IL
- Adam G Kelly (Leob & Loeb LLP), Chicago, IL
- Adam Hugh Masia (Neal, Gerber & Eisenberg, LLP), Chicago, IL
- Adam J Faier (McDonnell Boehnen Hulbert & Berghoff LLP), Chicago, IL
- Adam J. Fromm (Clark Hill PLC), Chicago, IL
- Adam Kevin Sacharoff (MUCH SHELIST), Chicago, IL
- Adam M. Kaufmann (Barnes & Thornburg LLP), Chicago, IL
- Adam S Weiss (Polsinelli PC), Chicago, IL
- Adam V. Litteken (Ladas & Parry LLP), Chicago, IL
- Adam Wolek (Fox Rothschild LLP), Chicago, IL
- Adil D. Kolovic (Honigman LLP), Chicago, IL
- Adil M Musabji (HERE North America, LLC), Chicago, IL
- Adnan A Shams (Shams, Rodriguez & Mozwecz, P.C.), Chicago, IL
- Adnan Hussain Bohri (Cardinal Health), Chicago, IL
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Frequently asked questions
How many patent attorneys and agents serve Cook County?
We list 2727 patent attorneys and agents serving Cook County, IL: 2214 based there and 513 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.
Which patent attorneys and agents serve Cook County?
The top-ranked patent attorneys and agents serving Cook County, IL are Aaron A Barlow (Jenner & Block LLP), Aaron B. Goodman (Baker Hostetler LLP), Aaron C Taggart (Cognizant), Aaron J Morrow (K&L Gates LLP) and Aaron J Weinzierl (United Airlines, Inc.). The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Cook County are verified against official records?
10 of the top 10 match an active official record: Aaron A Barlow (Jenner & Block LLP) (U.S. Patent and Trademark Office), Aaron B. Goodman (Baker Hostetler LLP) (U.S. Patent and Trademark Office), Aaron C Taggart (Cognizant) (U.S. Patent and Trademark Office), Aaron J Morrow (K&L Gates LLP) (U.S. Patent and Trademark Office) and Aaron J Weinzierl (United Airlines, Inc.) (U.S. Patent and Trademark Office), and 5 more on this page. Each badge links to the official record it matched.
How are these companies ranked?
By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.
What does "Verified" mean on this page?
"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.
What is the difference between a patent attorney and a patent agent?
Both are registered with the USPTO to prepare and prosecute patent applications. Patent attorneys are also licensed lawyers and can handle litigation and other legal matters; agents cannot.
"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .
Cities in Cook County
Communities served
Glenview, Park Ridge, Streamwood, Wheeling, Calumet City, Northbrook, Elk Grove Village, Niles, Burbank, Lansing, Wilmette, Oak Forest, Chicago Heights, Morton Grove, Melrose Park, Rolling Meadows, Elmwood Park, Maywood, Blue Island, Park Forest, South Holland, Dolton, Harvey, Evergreen Park, Brookfield, Homewood, Matteson, Alsip, Lemont, Bellwood, Franklin Park, Palos Hills, Bridgeview, Westchester, Country Club Hills, La Grange, Prospect Heights, Norridge, Hickory Hills, Chicago Ridge, Midlothian, Forest Park, Western Springs, La Grange Park, Lincolnwood, Hazel Crest, Richton Park, Winnetka, Northlake, Justice, Palos Heights, River Forest, Schiller Park, Markham, Summit, Worth, Barrington, Crestwood, Lyons, River Grove