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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Durham, PA ranks #22,688 worldwide for total patents filed all time, with 53 patents from 6 inventors. Leading employers of inventors based in Durham, PA include Eli Lilly, Binney & Smith, Competitive Technologies.

Showing 1–6 of 6 inventors

Rank Inventor Primary Company Patents
1 James A. Hoffmann Eli Lilly 39
2 Brett Wilson Binney & Smith 7
3 Elaine R. Kleinfeld Competitive Technologies 3
#4 Harry A. McClure 2
#5 Wendy L. Rasmussen Binney & Smith 1
#5 Charles H. Parson Fiberweb North America 1

Part of Pennsylvania