Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David M. Simpson — 14 Patents

IIIgen International: 8 patents #10 of 64Top 20%
WTWellstat Therapeutics: 2 patents #13 of 29Top 45%
UTUnion Carbide Chemicals & Plastics Technology: 2 patents #246 of 701Top 40%
PRPro-Neuron: 1 patents #10 of 14Top 75%
North Bethesda, MD: #9 of 90 inventorsTop 10%
Maryland: #2,027 of 35,612 inventorsTop 6%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
David M. Simpson has been granted 14 US patents. The first was granted in 1997 and the most recent in November 2024. David M. Simpson ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list David M. Simpson in North Bethesda, MD, US.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12139483 Imidazoquinolyl compounds having anti-inflammatory, antifungal, antiparasitic, and anticancer activity Dennis Bryan Zerby, Ming Lu, Reid W. von Borstel, Rui Li, Julian Reading +1 more 2024-11-12
10934284 Aminoquinazoline compounds having anti-inflammatory, antifungal, antiparasitic, and anticancer activity Dennis Bryan Zerby, Ming Lu, Reid W. von Borstel, Rui Li, Julian Reading +1 more 2021-03-02
10030015 Amine compounds having anti-inflammatory, antifungal, antiparasitic, and anticancer activity Dennis Bryan Zerby, Ming Lu, Reid W. von Borstel, Rui Li, Julian Reading +2 more 2018-07-24
6702705 Prodrugs activated by targeted catalytic proteins Reid W. von Borstel, Jan Casadei, Balreddy Kamireddy, John Kenten, Mark Martin +5 more 2004-03-09
6346599 Biodegradable lactone copolymers Daniel Goldberg, Sandra A. Kupperblatt, Robert F. Eaton, Wong F Ark 2002-02-12
6297349 Condensation copolymers having supressed crystallinity Daniel Goldberg, Sandra A. Kupperblatt, Robert F. Eaton, Wong F Ark 2001-10-02
6258360 Prodrugs activated by targeted catalytic proteins Reid W. von Borstel, Jan Casadei, Balreddy Kamireddy, John Kenten, Mark Martin +5 more 2001-07-10 $8,781,000
6218519 Compounds and methods for the selective treatment of cancer and bacterial infections John Kenten 2001-04-17
6177270 Reaction-based selection for expression of and concentration of catalytic moieties Mark Martin, Rodger Smith, Michael J. Darsley, Gary Blackburn 2001-01-23 $4,557,000
6121007 Reaction-based selection for expression of and concentration of catalytic moieties Mark Martin, Rodger Smith, Michael J. Darsley, Gary Blackburn 2000-09-19 $2,499,000
5891648 Reaction-based selection for expression of and concentration of catalytic moieties Mark Martin, Rodger Smith, Michael J. Darsley, Gary Blackburn 1999-04-06 $6,281,000
5631137 Reaction-based selection for expression of and concentration of catalytic moieties Mark Martin, Rodger Smith, Michael J. Darsley, Gary Blackburn 1997-05-20 $1,532,000
5597573 Lipid-A analogs: new monosaccharide and disaccharide intermediates for eliciting therapeutic antibodies and for antitumor and antiviral activities Balreddy Kamireddy, Michael J. Darsley, Richard J. Massey 1997-01-28 $841,000
5593969 Lipid-A analogs: monosaccharide and dissaccharide compounds for inhibiting binding of lipid A receptors to lipid A receptors Balreddy Kamireddy, Michael J. Darsley, Richard J. Massey 1997-01-14 $1,747,000