Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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James Stefano — 30 Patents

GEGenzyme: 23 patents #11 of 891Top 2%
AMAmoco: 3 patents #256 of 1,251Top 25%
SASanofi: 3 patents #505 of 1,881Top 30%
Hopkinton, MA: #25 of 444 inventorsTop 6%
Massachusetts: #3,129 of 88,656 inventorsTop 4%
Overall (All Time): #121,623 of 4,157,543Top 3%
30 Patents All Time
James Stefano has been granted 30 US patents while listed as an inventor at Genzyme. The first was granted in 1995 and the most recent in March 2025. James Stefano ranks #121,623 of 4,157,543 US inventors in our database (top 2.9%). Patent records list James Stefano in Hopkinton, MA, US.

Patents per Year

Patents granted per year, 1995 to 2025Bar chart with a peak of 4 patents in 2019.peak 41995: 1 patents19951996: 1 patents1998: 1 patents19982001: 1 patents2003: 1 patents20032008: 1 patents2012: 1 patents20122013: 1 patents2014: 2 patents20142015: 1 patents2016: 3 patents20162017: 2 patents2019: 4 patents20192020: 4 patents2021: 2 patents20212022: 1 patents2024: 2 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12252504 Oligosaccharide-protein conjugates Luis Z. Avila, Clark Pan, Patrick Finn, John Harrahy, Qun Zhou +9 more 2025-03-18
12110338 Site-specific antibody-drug conjugation through glycoengineering Clark Pan, Qun Zhou, Pradeep K. Dhal, Bo Chen, Diego Gianolio +2 more 2024-10-08
12098194 Bone-targeting antibodies Huawei Qiu, Sunghae Park 2024-09-24
11279725 Oligosaccharide-protein conjugates Luis Z. Avila, Clark Pan, Patrick Finn, John Harrahy, Qun Zhou +9 more 2022-03-22
11141489 Conjugates comprising an GLP-1/Glucagon dual agonist, a linker and hyaluronic acid Dieter Kadereit, Michael Wagner, Thomas Olpp, Nino Meyer, Martin Bossart +5 more 2021-10-12 $18,446,000
11130816 Site-specific antibody-drug conjugation through glycoengineering Clark Pan, Qun Zhou, Pradeep K. Dhal, Bo Chen, Diego Gianolio +2 more 2021-09-28
10844115 Bone-targeting antibodies Huawei Qiu, Sunghae Park 2020-11-24
10806797 Prodrugs comprising an GLP-1/glucagon dual agonist linker hyaluronic acid conjugate Dieter Kadereit, Michael Wagner, Thomas Olpp, Nino Meyer, Pradeep K. Dhal +7 more 2020-10-20 $20,781,000
10792342 Targeting of glycoprotein therapeutics 2020-10-06
10792367 Conjugates comprising an GLP-1/glucagon dual agonist, a linker and hyaluronic acid Dieter Kadereit, Michael Wagner, Thomas Olpp, Nino Meyer, Martin Bossart +5 more 2020-10-06 $12,700,000
10464962 Oligosaccharide-protein conjugates Luis Z. Avila, Clark Pan, Patrick Finn, John Harrahy, Qun Zhou +9 more 2019-11-05
10385108 Peptide analogs of alpha-melanocyte stimulating hormone Michael A. Perricone, John Lyle Dzuris, Timothy Weeden, Clark Pan, Andrea E. Edling 2019-08-20
10308917 Nucleotide sequences encoding VEGF antagonist compositions of FLT-1 and uses thereof Clark Pan, Huawei Qiu, Michael O'Callaghan, Gloria Matthews 2019-06-04
10214589 Site-specific antibody-drug conjugation through glycoengineering Clark Pan, Qun Zhou, Pradeep K. Dhal, Bo Chen, Diego Gianolio +2 more 2019-02-26
9738698 Peptide analogs of alpha-melanocyte stimulating hormone Michael A. Perricone, John Lyle Dzuris, Timothy Weeden, Clark Pan, Andrea E. Edling 2017-08-22
9580511 Site-specific antibody-drug conjugation through glycoengineering Clark Pan, Qun Zhou, Pradeep K. Dhal, Bo Chen, Diego Gianolio +2 more 2017-02-28
9498518 Targeting of glycoprotein therapeutics 2016-11-22
9493498 Oligosaccharide-protein conjugates Luis Z. Avila, Clark Pan, Patrick Finn, John Harrahy, Qun Zhou +9 more 2016-11-15
9441029 VEGF antagonist compositions and uses thereof Clark Pan, Huawei Qiu, Michael O'Callaghan, Gloria Matthews 2016-09-13
9115174 Peptide analogs of alpha-melanocyte stimulating hormone Michael A. Perricone, John Lyle Dzuris, Timothy Weeden, Clark Pan, Andrea E. Edling 2015-08-25
8906379 Targeting of glycoprotein therapeutics 2014-12-09
8835614 Oligosaccharide-protein conjugates Luis Z. Avila, Clark Pan, Patrick Finn, John Harrahy, Qun Zhou +9 more 2014-09-16
8440793 Peptide analogs of alpha-melanocyte stimulating hormone Michael A. Perricone, John Lyle Dzuris, Timothy Weeden, Clark Pan, Andrea E. Edling 2013-05-14
8124073 Targeting of glycoprotein therapeutics 2012-02-28
7341720 Targeting of glycoprotein therapeutics 2008-03-11 $113,166,000