Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1691: Examiners and Allowance Rates

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

Art unit baseline (last 5 years, 1,085 dispositions): 66% allowance rate • 2.7 office actions per allowance • 1,208 days median pendency
ExaminerAllowance rateResolved casesPending apps
Douglas M Willis100.0%10
Alan Jerome Fowler100.0%19
Niloofar Rahmani93.3%37436
Deirdre Renee Claytor90.9%111
Rei Tsang Shiao88.2%36540
Deborah D Carr87.4%18236
Patrick T Lewis84.3%23524
Jennifer C Sawyer82.4%10841
Savitha M Rao81.6%17929
Yih-Horng Shiao77.0%13534
Andrew P Lee68.7%9940
Elena Vladimirovna Vishnyakova68.3%4126
Christopher Lindsay Johnson48.6%3534
Jaret James Crews37.9%6630
Stanley Bram0.0%111
D Margaret M Seaman0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1691?

66.4% over the last five years, across 1,085 resolved applications.

Which examiners in Art Unit 1691 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Niloofar Rahmani (93.3%, 374 resolved), Rei Tsang Shiao (88.2%, 365 resolved), Deborah D Carr (87.4%, 182 resolved).

Which examiners in Art Unit 1691 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Jaret James Crews (37.9%, 66 resolved), Christopher Lindsay Johnson (48.6%, 35 resolved), Elena Vladimirovna Vishnyakova (68.3%, 41 resolved).

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