Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MC

Mark Chambers — 5 Patents

EPEnyo Pharma: 4 patents #5 of 26Top 20%
Merck: 1 patents #5,440 of 9,382Top 60%
Puckeridge, GB: #1 of 6 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Mark Chambers has been granted 5 US patents while listed as an inventor at Enyo Pharma. The first was granted in 2001 and the most recent in December 2023. Mark Chambers ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Mark Chambers in Puckeridge, GB.

Patents per Year

Patents granted per year, 2001 to 2023Bar chart with a peak of 3 patents in 2023.peak 32001: 1 patents20012022: 1 patents20222023: 3 patents2023

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11840527 Non-fused thiophene derivatives and their uses ERIC MELDRUM, Benoît De Chassey, Peter J. Machin, Karine Fabienne Malagu, Paul Winship +2 more 2023-12-12
11767316 Non-fused thiophene derivatives and their uses ERIC MELDRUM, Benoît De Chassey, Peter J. Machin, Karine Fabienne Malagu, Paul Winship +3 more 2023-09-26
11603368 Fused thiophene derivatives and their uses ERIC MELDRUM, Benoît De Chassey, Peter J. Machin, Roberta Lanaro, Calum Macleod +5 more 2023-03-14
11492347 Fused thiophene derivatives and their uses ERIC MELDRUM, Benoît De Chassey, Peter J. Machin, Roberta Lanaro, Calum Macleod +4 more 2022-11-08
6262103 Thienycyclohexanone derivatives as ligands of the GABAA .alpha.5 receptor subtype Howard Barff Broughton, Sarah Christine Hobbs, Angus Murray MacLeod, Austin John Reeve 2001-07-17 $286,647,000