Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1744: Examiners and Allowance Rates

47 examiners • 14 with pending office actions • Chemistry & Materials (Tech Center 1700)

Art unit baseline (last 5 years, 3,881 dispositions): 49% allowance rate
ExaminerAllowance rateResolved casesPending apps
Joseph Steven Del Sole100.0%20
Steven Lee Yeninas100.0%10
Freddie Kirkland III100.0%10
Thukhanh T Nguyen100.0%10
Vipul Malik100.0%10
Jessica Whiteley100.0%10
Lily Kayoko Sloan100.0%10
Leo B Tentoni100.0%10
Catherine A Kelly100.0%10
Stella Kim Yi100.0%10
Ariella Machness100.0%10
James P Mackey81.5%5560
John J Derusso80.4%29129
Timothy W Heitbrink76.5%2980
Emmanuel S Luk72.8%90335
Robert J Grun72.0%7180
Edmund H Lee71.1%1,00127
Guy F Mongelli70.4%1250
James M Sanders69.8%1290
Kimberly Ann Stewart68.5%1240
Michael Robinson68.2%37726
Joseph S Leyson67.5%65619
Inja Song66.7%22526
Nicholas R Krasnow66.4%42045
Jerzi H Moreno Hernandez64.5%1660
Xiao Si Zhao64.2%674
Alison L Hindenlang62.2%3120
Maria Veronica Ewald59.2%980
John P Robitaille58.9%950
Jamel M Nelson58.7%920
Edgaredmanue Troche58.0%19320
Asha A Thomas55.0%200
Yunju Kim53.8%130
Nicholas J Chidiac53.7%21622
Dimple D Sopariwala53.3%920
Leith S Shafi52.8%3410
Victoria Bartlett51.0%19833
Ninh V Le45.6%3660
Hannuri L Kwon44.2%520
Jeremiah R Smith36.6%930
Camille Leeandra Molloy33.3%30
Amjad A Abraham31.4%2260
Yogendra N Gupta2.9%350
Jacob F Betit0.0%10
Andrew Yewhong Ho—018
Brian Gwyn Diamond—015
Gauri Emma Midha—01

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1744?

48.7% over the last five years, across 3,881 resolved applications.

Which examiners in Art Unit 1744 have the highest allowance rates?

Among examiners with at least 30 resolved applications: James P Mackey (81.5%, 556 resolved), John J Derusso (80.4%, 291 resolved), Timothy W Heitbrink (76.5%, 298 resolved).

Which examiners in Art Unit 1744 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Yogendra N Gupta (2.9%, 35 resolved), Amjad A Abraham (31.4%, 226 resolved), Jeremiah R Smith (36.6%, 93 resolved).

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