Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1631: Examiners and Allowance Rates

48 examiners • 13 with pending office actions • Biotechnology & Pharmaceuticals (Tech Center 1600)

Art unit baseline (last 5 years, 4,091 dispositions): 28% allowance rate • 11.2 office actions per allowance • 2,380 days median pendency
ExaminerAllowance rateResolved casesPending apps
Holly Michaela Kipouros100.0%10
Titilayo Moloye100.0%10
Guozhen Liu100.0%10
Liam J Heincer100.0%10
Robert M Kelly84.7%850
Mark Lance Shibuya82.0%500
Jesse P Frumkin81.4%590
Teresa E Knight79.7%640
James Schultz72.2%795
Jerry Lin65.6%5790
Maria Marvich61.5%1170
Arthur S Leonard61.5%14847
George Steven Vanni59.2%4090
Jianjian Zhu58.1%8666
Lori A Clow57.0%5140
Mary K Zeman55.1%3920
John S Brusca55.0%5440
Taeyoon Kim53.8%21047
Shubo Zhou53.5%1700
Quang Nguyen49.5%20237
Russell Scott Negin48.8%6740
James J Graber48.8%16037
Joseph T Woitach48.2%2280
Eric S Dejong47.8%6860
Keenan Alexander Bates44.9%7857
Larry D Riggs II42.2%4120
Masudur Rahman41.7%240
Eric Jason Rogers40.0%50
Jason M Sims39.5%2940
Carolyn L Smith38.9%1570
Olivia M. Wise38.3%1880
Joseph Paul Miano37.0%10851
Nicholas Adam Humphries34.2%3840
Marie Archer33.9%1180
Michael L Borin31.0%5880
Anna Skibinsky29.5%4740
Kevin Kai Hill29.0%690
Josephine Maria Gonzales28.8%6636
Alexandra F Connors26.9%260
Laura J Schuberg26.5%15147
Karlheinz R Skowronek21.0%1380
Kaitlyn L Minchella20.4%540
Erin Virginia Paulus20.0%2032
Andrea Lynne Morris Spencer20.0%1029
Soren T Harward19.5%4410
Pablo S Whaley19.0%3640
Marjorie A Moran4.2%240
Janna Nicole Schultzhaus0.0%30

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1631?

28.4% over the last five years, across 4,091 resolved applications.

Which examiners in Art Unit 1631 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Robert M Kelly (84.7%, 85 resolved), Mark Lance Shibuya (82.0%, 50 resolved), Jesse P Frumkin (81.4%, 59 resolved).

Which examiners in Art Unit 1631 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Pablo S Whaley (19.0%, 364 resolved), Soren T Harward (19.5%, 441 resolved), Kaitlyn L Minchella (20.4%, 54 resolved).

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