Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1619: Examiners and Allowance Rates

28 examiners • 15 with pending office actions • Biotechnology & Pharmaceuticals (Tech Center 1600)

Art unit baseline (last 5 years, 4,408 dispositions): 23% allowance rate • 6.3 office actions per allowance • 1,270 days median pendency
ExaminerAllowance rateResolved casesPending apps
Richard Grant Peckham100.0%10
Jyothsna A Venkat56.5%8370
Suzanne E Ziska56.1%5260
Kaeleigh Elizabeth Olsen47.1%3428
Nicole Plourde Babson46.7%54040
Shanon A Foley46.1%1020
Thurman Michael Wheeler45.8%62517
John P Nguyen43.9%40826
Sarah C Wright42.1%57334
Garen Gotfredson39.9%54937
Daniel F Coughlin38.9%52519
Sarah Alawadi37.7%68434
Tigabu Kassa36.7%72558
Devang K Thakor34.3%3440
Edwin Coleman Mitchell32.1%11245
Christopher Raymond Lea22.6%620
Ivan A Greene18.7%60538
Donna A Jagoe17.9%560
David J Blanchard15.7%510
Alissa J Prosser15.5%51039
Lori K Mattison15.2%48626
Sean James Steinke12.5%1652
Jennifer A Berrios10.0%200
Tracey A Simmons Willis5.9%340
Brian M Gulledge0.0%230
Raymond P Yeager0.0%50
Yvonne L Eyler0.0%50
Matthew Ryan Burke0.0%122

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1619?

22.7% over the last five years, across 4,408 resolved applications.

Which examiners in Art Unit 1619 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Jyothsna A Venkat (56.5%, 837 resolved), Suzanne E Ziska (56.1%, 526 resolved), Kaeleigh Elizabeth Olsen (47.1%, 34 resolved).

Which examiners in Art Unit 1619 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Tracey A Simmons Willis (5.9%, 34 resolved), Lori K Mattison (15.2%, 486 resolved), Alissa J Prosser (15.5%, 510 resolved).

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