Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1662: Examiners and Allowance Rates

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

Art unit baseline (last 5 years, 4,591 dispositions): 63% allowance rate • 3.5 office actions per allowance • 944 days median pendency
ExaminerAllowance rateResolved casesPending apps
George William Meyer100.0%510
Amjad A Abraham100.0%40
Yvette Bih Tamukong100.0%20
Yanxin Nmn Shen100.0%10
Ashwin D Mehta100.0%10
Bratislav Stankovic91.0%6719
Medina Ahmed Ibrahim90.0%95118
Steven M Bernacki87.0%1000
Li Zheng86.1%84622
Emily Katharine Johnson85.7%721
Elizabeth F Mcelwain83.4%4220
Cynthia E Collins82.4%83612
Jason Deveau Rosen82.0%78920
Aleksandar Radosavljevic80.8%12511
Cathy Kingdon79.8%7210
David R Byrnes78.2%24815
Anne R Kubelik74.5%8840
Wayneshaobin Zhong72.2%54419
Charles Logsdon71.9%54812
Mykola V Kovalenko70.7%50131
Ashley Kate Buran64.5%3720
Rebecca Johanna Stephens64.0%250
Stephen G Uyeno54.2%2970
Jayanta Chatterjee44.0%2548
Victoria Lynn Deleo41.4%2927
Shubo Zhou24.0%750
Cody Scott Bekkering0.0%10
Karen M Redden0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1662?

63.0% over the last five years, across 4,591 resolved applications.

Which examiners in Art Unit 1662 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Bratislav Stankovic (91.0%, 67 resolved), Medina Ahmed Ibrahim (90.0%, 951 resolved), Steven M Bernacki (87.0%, 100 resolved).

Which examiners in Art Unit 1662 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Shubo Zhou (24.0%, 75 resolved), Stephen G Uyeno (54.2%, 297 resolved), Ashley Kate Buran (64.5%, 372 resolved).

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