Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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John Kleeman — 1 Patent in 2019

QLQuestionmark Computing Limited: 1 patents #1 of 3Top 35%
London, GB: #359 of 1,410 inventorsTop 30%
Overall (2019): #408,092 of 560,194Top 75%
1 Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10170013 Assessment instances in computerized assessments Paul Roberts, Eric Shepherd 2019-01-01