Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1684: Examiners and Allowance Rates

18 examiners • 14 with pending office actions • Biotechnology & Pharmaceuticals (Tech Center 1600)

Art unit baseline (last 5 years, 856 dispositions): 61% allowance rate • 3.7 office actions per allowance • 1,341 days median pendency
ExaminerAllowance rateResolved casesPending apps
Yung-Sheng M Tsui100.0%1529
Alexandra Nadine Olson100.0%221
Joshua Caleb Bledsoe100.0%10
Michael Lee100.0%10
Kaijiang Zhang93.0%12825
Christian C Boesen91.5%14220
Christopher M Gross77.0%12221
Jessica Danielle Parisi73.7%7628
Randi Lynn Beil68.3%413
Heather Calamita66.7%154
Jeremy C Flinders65.9%12936
Elizabeth Rose Lafave64.4%5922
Brian Ellis Young64.1%3919
Sahana S Kaup53.4%580
Jill Leigh Hudacek50.0%20
Matthew Harold Raymonda40.0%1529
Amy M Bunker30.2%10648
Khai Quynh Tien Pham0.0%234

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1684?

61.5% over the last five years, across 856 resolved applications.

Which examiners in Art Unit 1684 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Kaijiang Zhang (93.0%, 128 resolved), Christian C Boesen (91.5%, 142 resolved), Christopher M Gross (77.0%, 122 resolved).

Which examiners in Art Unit 1684 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Amy M Bunker (30.2%, 106 resolved), Sahana S Kaup (53.4%, 58 resolved), Brian Ellis Young (64.1%, 39 resolved).

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