Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Ellis — 29 Patents

Pfizer: 9 patents #561 of 5,153Top 15%
IRIrm: 6 patents #51 of 334Top 20%
SLSmithkline & French Laboratories: 3 patents #27 of 70Top 40%
ALAlcon: 3 patents #271 of 866Top 35%
Novartis Ag: 2 patents #1,923 of 5,128Top 40%
HAHamilton Associates: 1 patents #28 of 56Top 50%
APAnadys Pharmaceuticals: 1 patents #35 of 73Top 50%
Durham, NC: #138 of 4,103 inventorsTop 4%
North Carolina: #1,385 of 45,564 inventorsTop 4%
Overall (All Time): #127,851 of 4,157,543Top 4%
29 Patents All Time
David Ellis has been granted 29 US patents while listed as an inventor at Pfizer. The first was granted in 1988 and the most recent in March 2025. David Ellis ranks #127,851 of 4,157,543 US inventors in our database (top 3.1%). Patent records list David Ellis in Durham, NC, US.

Patents per Year

Patents granted per year, 1988 to 2025Bar chart with a peak of 3 patents in 2009.peak 31988: 1 patents19881989: 1 patents1990: 1 patents1998: 1 patents19981999: 1 patents2001: 1 patents2005: 1 patents20052006: 1 patents2007: 2 patents2009: 3 patents20092010: 2 patents2011: 1 patents2012: 3 patents20122013: 1 patents2014: 1 patents2015: 1 patents20152016: 1 patents2017: 1 patents2018: 2 patents20182022: 1 patents2024: 1 patents2025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12247028 Azabicyclo and diazepine derivatives Howard Allen Ketelson 2025-03-11
11884666 Azabicyclo and diazepine derivatives Howard Allen Ketelson 2024-01-30 $30,122,000
11306090 Azabicyclo and diazepine derivatives Howard Allen Ketelson 2022-04-19 $53,898,000
10150752 Substituted triazole derivatives as oxytocin antagonists Alan Daniel Brown, Andrew Antony Calabrese 2018-12-11
10016441 Prostaglandin conjugates and derivatives for treating glaucoma and ocular hypertension Lukas Scheibler, Najam A. Sharif 2018-07-10 $17,554,000
9604949 Prostaglandin conjugates and derivatives for treating glaucoma and ocular hypertension Lukas Scheibler, Najam A. Sharif 2017-03-28 $8,531,000
9394278 Substituted triazole derivatives as oxytocin antagonists Alan Daniel Brown, Andrew Antony Calabrese 2016-07-19
9023872 Substituted triazole derivatives as oxytocin antagonists Alan Daniel Brown, Andrew Antony Calabrese 2015-05-05
8722691 Azolopyrimidines as inhibitors of cannabinoid 1 activity Xiaohui He, Kunyong Yang, Hong Liu 2014-05-13
8569345 Compounds and compositions as LXR modulators Valentina Molteni, Xiaolin Li, Juliet Nabakka, Beth Anaclerio, Enrique Saez +1 more 2013-10-29
8207198 Substituted triazole derivatives as oxytocin antagonists Alan Daniel Brown, Andrew Antony Calabrese 2012-06-26 $571,958,000
8158662 Compounds and compositions as LXR modulators Valentina Molteni, Xiaolin Li, Juliet Nabakka, Beth Anaclerio, Enrique Saez +1 more 2012-04-17
8158634 Compounds and compositions as inhibitors of cannabinoid receptor 1 activity Hong Liu, Xiaohui He, Ha-Soon Choi, Kunyong Yang, David H. Woodmansee +4 more 2012-04-17
7875615 Substituted triazole derivatives as oxytocin antagonists Alan Daniel Brown, Christopher Ronald Smith 2011-01-25 $286,083,000
7834009 4-hydroxy-5,6-dihydro-1H-pyridin-2-one compounds Liansheng Li, Chinh Viet Tran, Frank Ruebsam, Yuefen Zhou 2010-11-16 $990,000
7649003 Substituted triazole derivatives as oxytocin antagonists Alan Daniel Brown, Christopher Ronald Smith 2010-01-19 $279,046,000
7601742 Pyrrolidones with anti-HIV activity Baogen Wu, Yun He, Truc Ngoc Nguyen, Kelli L. Kuhen, Tao Jiang +3 more 2009-10-13
7557131 Substituted triazole derivatives as oxytocin antagonists Alan Daniel Brown, Andrew Antony Calabrese 2009-07-07 $254,361,000
7495016 Pyrrolidones with anti-HIV activity Baogen Wu, Yun He, Truc Ngoc Nguyen, Kelli L. Kuhen, Tao Jiang +3 more 2009-02-24
7291640 Substituted triazole derivatives as oxytocin antagonists Alan Daniel Brown, Christopher Ronald Smith 2007-11-06 $219,431,000
7205328 Oxindoles with anti-HIV activity Yun He, Tao Jiang, Kelli L. Kuhen, Baogen Wu, Tom Yao-Hsiang Wu +1 more 2007-04-17
7019141 Quinolones with anti-HIV activity Yun He, Beth Anaclerio, Kelli L. Kuhen, Baogen Wu, Tao Jiang 2006-03-28
6914160 Oxytocin inhibitors Duncan Robert Armour, Andrew Simon Bell, Paul Edwards, David Hepworth, Mark Llewellyn Lewis +1 more 2005-07-05 $351,280,000
6211223 Indole derivatives useful in therapy Stephen Challenger, Kevin Neil Dack, Andrew Michael Derrick, Roger P. Dickinson, Yousef Hajikarimian +2 more 2001-04-03 $932,933,000
5861393 Antithrombotic amidinophenylalanine and amidinopyridylalanine derivatives John C. Danilewicz, Ryszard Kobylecki 1999-01-19 $226,661,000