Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Mark A. Youngman — 43 Patents

PPPurdue Pharma: 17 patents #20 of 189Top 15%
Johnson & Johnson: 17 patents #567 of 7,810Top 8%
OPOrtho-Mcneil Pharmaceutical: 6 patents #67 of 449Top 15%
North Wales, PA: #7 of 457 inventorsTop 2%
Pennsylvania: #976 of 74,527 inventorsTop 2%
Overall (All Time): #69,380 of 4,157,543Top 2%
43 Patents All Time
Mark A. Youngman has been granted 43 US patents while listed as an inventor at Purdue Pharma. The first was granted in 2000 and the most recent in November 2021. Mark A. Youngman ranks #69,380 of 4,157,543 US inventors in our database (top 1.7%). Patent records list Mark A. Youngman in North Wales, PA, US.

Patents per Year

Patents granted per year, 2000 to 2021Bar chart with a peak of 6 patents in 2018.peak 62000: 1 patents20002001: 1 patents2002: 1 patents20022005: 1 patents2006: 2 patents20062007: 1 patents2008: 2 patents20082010: 1 patents2011: 2 patents20112012: 3 patents2013: 2 patents20132014: 3 patents2015: 5 patents20152016: 3 patents2017: 4 patents20172018: 6 patents2019: 1 patents20192020: 2 patents2021: 2 patents2021

Issued Patents All Time

Showing 1–25 of 43 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11180502 Azaspiro[4.5]decane derivatives and use thereof Laykea Tafesse, Jae Hyun Park 2021-11-23
11149035 Chemical compounds as H—PGDS inhibitors David Norman Deaton, Barry George Shearer 2021-10-19
10774050 Pyrimidines as sodium channel blockers Chiyou Ni, Laykea Tafesse, Jiangchao Yao, Minnie Park, Bin Shao 2020-09-15
10550088 6-substituted and 7-substituted morphinan analogs and the use thereof Jeffrey Lockman, Laykea Tafesse, Jae Hyun Park 2020-02-04
10196364 Pyrimidine carboxamides as sodium channel blockers Jeffrey Lockman, Chiyou Ni, Jae Hyun Park, Minnie Park, Bin Shao +2 more 2019-02-05
10131666 Heterocyclic morphinan derivatives and use thereof Laykea Tafesse 2018-11-20
10059675 Pyrimidines as sodium channel blockers Chiyou Ni, Laykea Tafesse, Jiangchao Yao, Minnie Park, Bin Shao 2018-08-28
10030021 Spirocyclic morphinans and use thereof Laykea Tafesse, R. Richard Goehring, Jianming Yu 2018-07-24
9902726 Pyridone-sulfone morphinan analogs as opioid receptor ligands 2018-02-27
9884865 Azaspiro[4.5] decane derivatives and use thereof Laykea Tafesse, Jae Hyun Park 2018-02-06
9862726 Opioid receptor modulating oxabicyclo[2.2.2]octane morphinans 2018-01-09
9714252 Cyclic sulfonamides as sodium channel blockers 2017-07-25
9656968 Pyrimidines as sodium channel blockers Chiyou Ni, Laykea Tafesse, Jiangcho Yao, Minnie Park, Bin Shao 2017-05-23
9656959 Substituted pyridines as sodium channel blockers Chiyou Ni, Minnie Park, Bin Shao, Laykea Tafesse, Jiangchao Yao +1 more 2017-05-23
9637458 Pyrimidine carboxamides as sodium channel blockers Jeffrey Lockman, Chiyou Ni, Jae Hyun Park, Minnie Park, Bin Shao +2 more 2017-05-02
9434711 Sulfonamides as TRPM8 modulators Shawn Branum, Raymond W. Colburn, Scott L. Dax, Christopher Flores, Michele C. Jetter +11 more 2016-09-06 $91,731,000
9403824 Pyridonemorphinan analogs and biological activity on opioid receptors Jeffrey Lockman, Laykea Tafesse 2016-08-02
9273048 Spirocyclic morphinans and their use R. Richard Goehring, Laykea Tafesse 2016-03-01
9175000 Buprenorphine analogs 2015-11-03
9163008 Pyrimidines as sodium channel blockers Chiyou Ni, Bin Shao, Laykea Tafesse, Jiangcho Yao, Minnie Park 2015-10-20
9096521 Cold menthol receptor antagonists Raymond W. Colburn, Scott L. Dax, Christopher Flores, Donald Ludovici, Mingde Xia +2 more 2015-08-04 $64,594,000
9090639 Cold menthol receptor-1 antagonists Raymond W. Colburn, Scott L. Dax, Christopher Flores, Jay M. Matthews, Ning Qin +2 more 2015-07-28 $45,878,000
8987287 Spirocyclic morphinans and their use R. Richard Goehring, Laykea Tafesse 2015-03-24
8809327 Sulfonamides as TRPM8 modulators Shawn Branum, Raymond W. Colburn, Scott L. Dax, Christopher Flores, Michele C. Jetter +11 more 2014-08-19 $49,487,000
8653099 Cold menthol receptor antagonists Raymond W. Colburn, Scott L. Dax, Christopher Flores, Donald Ludovici, Mingde Xia +2 more 2014-02-18 $79,615,000