Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Percival — 1 Patent

Merck: 1 patents #5,440 of 9,382Top 60%
Montreal West, CA: #23 of 39 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
David Percival has been granted 1 US patent while listed as an inventor at Merck. All of these patents were granted in 1999. David Percival ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list David Percival in Montreal West, QC, CA.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5994379 Bisaryl COX-2 inhibiting compounds, compositions and methods of use Christopher Bayly, Cameron Black, Nathalie Ouimet, Serge Leger, Marc Ouellet 1999-11-30 $101,395,000