Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1674: Examiners and Allowance Rates

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

Art unit baseline (last 5 years, 2,249 dispositions): 36% allowance rate
ExaminerAllowance rateResolved casesPending apps
Thomas J Visone100.0%20
Zachary J Miknis100.0%10
Christopher M Babic100.0%10
Jermele M Hollington100.0%10
Benjamin R Whatley100.0%10
Sudhakar Katakam100.0%10
Danyal Hassan Alam100.0%10
Gregory S Emch100.0%10
Anthony Joseph Seitz100.0%10
Robert B Mondesi100.0%10
Lianko G Garyu100.0%10
Elizabeth Kemmerer91.8%1820
Prema Maria Mertz91.7%21717
Ruixiang Li89.5%22935
Gyan Chandra89.5%30432
Xiaozhen Xie88.3%17110
Zachary C Howard86.7%22536
Michael D Pak85.2%18319
Claire M Kaufman80.4%16828
Amy Rose Hudson80.0%4460
Andrea K Mccollum79.5%15116
Sandra Dillahunt Carter78.6%12618
Dong Jiang78.6%980
Tracy Ann Vivlemore72.9%2140
Kimberly Chong72.7%4430
Jane J Zara72.0%3390
Sean Mcgarry71.7%2330
Terra C Gibbs68.9%2570
Brian A Whiteman68.4%3130
Jon E Angell66.0%2500
Ekaterina Poliakova-Georgan58.9%2460
Richard A Schnizer54.8%2810
Jennifer Sue Pitrak Mcdonald50.8%1950
Danaya L Middleton49.3%7130
Vanessa L Ford39.4%3310
Syed Jarar Abbas33.3%322
Dana H Shin29.7%3430
Brandon Ross Schwechter0.0%222
Masudur Rahman0.0%10
Tian Yang—03

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1674?

36.5% over the last five years, across 2,249 resolved applications.

Which examiners in Art Unit 1674 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Elizabeth Kemmerer (91.8%, 182 resolved), Prema Maria Mertz (91.7%, 217 resolved), Ruixiang Li (89.5%, 229 resolved).

Which examiners in Art Unit 1674 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Dana H Shin (29.7%, 343 resolved), Vanessa L Ford (39.4%, 33 resolved), Danaya L Middleton (49.3%, 71 resolved).

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