Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1683: Examiners and Allowance Rates

17 examiners • 10 with pending office actions • Biotechnology & Pharmaceuticals (Tech Center 1600)

Art unit baseline (last 5 years, 636 dispositions): 47% allowance rate • 4.1 office actions per allowance • 1,147 days median pendency
ExaminerAllowance rateResolved casesPending apps
Jeffrey Lawrence Bellah100.0%429
Nura Mansura Choudhury100.0%10
Brian Ellis Young100.0%10
Narayan Kameshwar Bhat97.0%1990
Ethan C Whisenant94.8%1920
Robert Thomas Crow83.6%5546
Frank Wei Min Lu79.4%21839
Stephen Thomas Kapushoc71.3%14341
Allison Elizabeth Schloop63.3%4923
Cynthia B Wilder60.0%50
Heather Calamita50.0%20
Anne Gussow48.2%5612
Emma Ruth Hoppe40.0%4025
Steven C Pohnert38.7%10681
Geneva Elizabeth York33.3%30
Kailey Elizabeth Cash28.6%2130
Mindy G Brown—020

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1683?

46.7% over the last five years, across 636 resolved applications.

Which examiners in Art Unit 1683 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Narayan Kameshwar Bhat (97.0%, 199 resolved), Ethan C Whisenant (94.8%, 192 resolved), Robert Thomas Crow (83.6%, 55 resolved).

Which examiners in Art Unit 1683 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Steven C Pohnert (38.7%, 106 resolved), Emma Ruth Hoppe (40.0%, 40 resolved), Anne Gussow (48.2%, 56 resolved).

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