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

Qinglin Pu — 14 Patents

Merck: 14 patents #781 of 9,382Top 9%
IPIomet Pharma: 1 patents #10 of 14Top 75%
Needham, MA: #106 of 796 inventorsTop 15%
Massachusetts: #8,931 of 88,656 inventorsTop 15%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Qinglin Pu has been granted 14 US patents while listed as an inventor at Merck. The first was granted in 2015 and the most recent in April 2025. Qinglin Pu ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Qinglin Pu in Needham, MA, US.

Patents per Year

Patents granted per year, 2015 to 2025Bar chart with a peak of 4 patents in 2021.peak 42015: 1 patents20152017: 1 patents20172018: 2 patents20182019: 1 patents20192020: 1 patents20202021: 4 patents20212022: 2 patents20222025: 2 patents2025

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12275729 Substituted tetrahydroquinolin compounds as indoleamine 2,3-dioxygenase (IDO) inhibitors Yongqi Deng, Abdelghani Achab, David Jonathan Bennett, Indu T. Bharathan, Xavier Fradera +8 more 2025-04-15
12215116 Arginase inhibitors and methods of use Abdelghani Achab, Matthew L. Childers, Jared N. Cumming, Christian Fischer, Symon Gathiaka +10 more 2025-02-04
11478461 [1.1.1] bicyclo compounds as indoleamine 2,3-dioxygenase inhibitors Liangqin Guo, Hongjun Zhang, Ping Chen, Dane Clausen, Xavier Fradera +6 more 2022-10-25 $350,597,000
11352320 Substituted [1.1.1] bicyclo compounds as indoleamine 2,3-dioxygenase inhibitors Shuwen He, Dane Clausen, Liangqin Guo, Yongxin Han, Xianhai Huang +5 more 2022-06-07 $306,734,000
11096930 Substituted imidazopyridine compounds as inhibitors of indoleamine 2,3-dioxygenase and/or tryptophan-2,3-dioxygenase Phillip M. Cowley, Meredeth A. McGowan, Thomas J. Brown, Yongxin Han, Kun Liu +3 more 2021-08-24 $126,043,000
11034661 Substituted N′-hydroxycarbamimidoyl-1,2,5-oxadiazole compounds as indoleamine 2,3-dioxygenase IDO inhibitors Liangqin Guo, Yongxin Han, Kun Liu, Shuwen He, Joseph A. Kozlowski +6 more 2021-06-15 $253,758,000
10988487 Substituted n′-hydroxycarbamimidoyl-1,2,5-oxadiazole compounds as indoleamine 2,3-dioxygenase (IDO) inhibitors Kun Liu, Abdelghani Achab, Purakkattle Biju, Timothy A. Cernak, Yongqi Deng +10 more 2021-04-27 $169,438,000
10927086 Substituted sulfoximine compounds as indoleamine 2,3-dioxygenase (IDO) inhibitors Kun Liu, Dane Clausen, Liangqin Guo, Yongxin Han, Shuwen He +4 more 2021-02-23 $566,829,000
10538497 Compounds as indoleamine 2,3-dioxygenase inhibitors Yongxin Han, Abdelghani Achab, Purakkattle Biju, Yongqi Deng, Xavier Fradera +9 more 2020-01-21 $220,499,000
10344000 Substituted bicyclic pyrazole compounds as RORgammaT inhibitors and uses thereof Blair T. Lapointe, Peter H. Fuller, Hakan Gunaydin, Kun Liu, Danielle F. Molinari +3 more 2019-07-09 $88,734,000
9957264 Geminally substituted cyanoethylpyrazolo pyridones as Janus kinase inhibitors Matthew L. Childers, Peter H. Fuller, David Joseph Guerin, Jason Katz, Mark E. Scott +11 more 2018-05-01 $129,774,000
9957265 N-(2-cyano heterocyclyl) pyrazolo pyridones as janus kinase inhibitors Christopher J. Dinsmore, Peter H. Fuller, David Joseph Guerin, Christopher F. Thompson, Mark E. Scott +11 more 2018-05-01 $129,774,000
9725445 Cycloalkyl nitrile pyrazolo pyridones as Janus kinase inhibitors Matthew L. Childers, Christopher J. Dinsmore, Peter H. Fuller, David Joseph Guerin, Jason Katz +14 more 2017-08-08 $65,756,000
8993756 Pyrrolopyrimidines as janus kinase inhibitors Sean P. Ahearn, Matthew Christopher, Christopher J. Dinsmore, Joon Jung, Alexey Rivkin +4 more 2015-03-31 $66,424,000