Art Unit 1653

Group 1650Enzymology, Microbiology, and Fermentation

Active examiners
24
Average office actions per grant
2.37

Grant ratio

Art Unit 1653
44.0%
Group 1650
54.1%

Active examiners

Vera Afremova 45.1% 2.38 August 2026
Paul C Martin 36.7% 2.79 August 2026
Sean C Barron 44.4% 2.61 August 2026
Jennifer M.H. Tichy 55.9% 2.46 August 2026
Erin M. Bowers 46.5% 2.71 August 2026
Natalie Moss 26.6% 2.27 August 2026
Nghi Nguyen 46.2% 3.00 August 2026
Allison M Fox 71.5% 2.13 August 2026
Stephanie Mcneil 8.9% 5.53 June 2026
Lora E. Barnhart 29.0% 2.42 August 2026
Qing Xu, Ph.D 49.3% 2.81 August 2026
Lioubov G Korotchkina 10.3% 2.08 August 2026
Natalie Iannuzo 2.0% 1.00 August 2026
Emily F Eix 5.1% 1.80 August 2026
Damon B. Bowe 5.8% 3.00 August 2026
Sandra Zingarelli 1.4% 2.00 August 2026
Ashley T White 4.5% 1.67 August 2026
Enusha Karunasena 0.0% N/A August 2026
Emmalee R. Williams 0.0% N/A August 2026
Satyendra K. Singh 37.5% 2.06 August 2026
Liliana Cerullo 0.0% 1.00 July 2026
Sue Liu 0.0% 2.09 August 2026
Alexander M Duryee 100.0% 2.35 August 2026
Mary Maille Lyons 0.0% 2.26 May 2026

Examiner distribution

Median grant ratio
26.6%
Middle 50% of grant ratios
4.8%–45.6%
Median office actions / grant
2.42
Middle 50% of office actions / grant
2.08–2.79

Active examiners with at least 20 applications.

Other associated examiners

Examiners without recent activity.

Based on available public USPTO records; may be incomplete.

Job History

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