Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Illinois ranks #7 among US states for total patents filed in 2024, with 16,273 patents from 8,447 inventors across 545 cities. On a per-capita basis that is 1.3 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.

Top Cities in Illinois 2024

Rank City Patents Inventors
#1 Chicago, IL 3,295 1,848
#2 Bloomington, IL 650 231
#3 Champaign, IL 591 181
#4 Naperville, IL 464 282
#5 Evanston, IL 454 258
#6 Peoria, IL 304 191
#7 Normal, IL 239 86
#8 Lake Forest, IL 231 49
#9 Urbana, IL 230 136
#10 Hoffman Estates, IL 210 70
#11 Palatine, IL 209 116
#12 Northbrook, IL 208 102
#13 Schaumburg, IL 190 111
#14 Arlington Heights, IL 183 104
#15 Glenview, IL 181 96
#16 Vernon Hills, IL 177 85
#17 Libertyville, IL 173 80
#18 Rockford, IL 165 93
#19 Savoy, IL 148 28
#20 Buffalo Grove, IL 143 91
#21 Wheaton, IL 140 69
#22 Aurora, IL 136 91
#23 Wilmette, IL 132 58
#24 Crystal Lake, IL 125 71
#25 Gurnee, IL 121 75

Top Inventors in Illinois 2024

Rank Inventor City Company Patents
1 Richard P. Howarth Lake Forest Apple 166
2 Jeremy Goodsitt Champaign Capital One Services 100
2 Austin Walters Savoy Capital One Services 100
#4 Fan Zhang Lake Barrington Sk Hynix 69
#5 Vincent Pham Champaign Capital One Services 67
#6 Anh Truong Champaign Capital One Services 62
#7 Gary W. Grube Barrington Hills Cleversafe 50
#8 Vijay Nangia Woodridge Motorola Mobility 49
#9 Reza Farivar Champaign Capital One Services 46
#10 Galen Rafferty Mahomet Capital One Services 41
#10 George Kondiles Chicago Ocient Holdings 41
#12 Ravi Kuchibhotla Chicago Lenovo (Singapore) Pte. 38
#13 Mark Watson Urbana Capital One Services 31
#14 Nathan R. Vandike Geneseo John Deere 29
#15 Brian James Buck Lisle Lookout 27
#15 Jason Arnold Chicago Ocient Holdings 27
#17 Greg R. Dhuse Chicago IBM 26
#17 Donald Kyle Princeton Pioneer (Corteva) 26
#19 Joseph Robert Brannan Bloomington State Farm 25
#19 Hyejung Jung Northbrook Lenovo (Singapore) Pte. 25
#21 Brian Mark Fields Normal State Farm 24
#21 Tania L. Aldous Niles Instant Brands Holdings 24
#23 Rahul Bharat Desai Hoffman Estates Motorola Mobility 23
#23 Alberto Peralta Chicago Nucurrent 23
#25 Jaime Skaggs Chenoa State Farm 22

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