Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Efergan — 2 Patents

DRDigital River: 2 patents #13 of 72Top 20%
Highland Park, IL: #250 of 599 inventorsTop 45%
Illinois: #34,875 of 84,256 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
David Efergan has been granted 2 US patents while listed as an inventor at Digital River. All of these patents were granted in 2014. David Efergan ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David Efergan in Highland Park, IL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8874487 Software wrapper having use limitation within a geographic boundary Joel A. Ronning, Pete Olson, Amir Rauf 2014-10-28 $10,696,000
8732841 Software license server with geographic location validation Joel A. Ronning, Pete Olson, Amir Rauf 2014-05-20 $3,392,000