Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1789: Examiners and Allowance Rates

50 examiners • 18 with pending office actions • Chemistry & Materials (Tech Center 1700)

Art unit baseline (last 5 years, 4,147 dispositions): 34% allowance rate • 6.7 office actions per allowance • 1,517 days median pendency
ExaminerAllowance rateResolved casesPending apps
Bret P Chen100.0%10
Edmund H Lee100.0%10
Ariella Machness100.0%10
Olatunji A Godo100.0%10
Jonathan Crepeau100.0%10
Erick I Lopez100.0%10
Humera N Sheikh100.0%10
Baileigh K Darnell100.0%10
James Richard Fortwengler100.0%125
Julia Sharon Caserto71.4%2828
Lynda Salvatore62.8%69733
Olivia Ann Jones60.7%2835
Jeremy R Pierce56.8%58820
Jennifer A Steele55.3%41822
Jenna N Chandhok54.2%24047
Lashawnda T Mckinnon54.0%77863
Leslie A Wong52.6%1330
Helen F Heggestad49.0%1000
Larissa Rowe Emrich48.3%32940
Jenna Leigh Johnson47.8%27022
Matthew D Matzek42.7%1100
Christine Xu Nisula39.9%1787
Elizabeth Mary Cole Imani39.4%70161
Jill M Gray38.9%1080
Lien Thuy Tran37.9%1030
Cheryl Ann Juska36.0%5580
Jennifer Ann Gillett29.7%34338
Andrew T Piziali28.6%57348
Patricia Ann George27.1%700
Felicia C Turner23.6%890
Marla D Mcconnell22.0%410
Lela Samantha Davis20.9%670
Klee S Simmons15.8%570
Saeeda Monee Latham15.2%460
Hong Thi Yoo15.0%800
Walter A Moore14.0%570
Kevin Worrell12.5%31136
Subbalakshmi Prakash12.5%320
Tynesha L. Mcclain11.1%450
Setsuko Kamotani5.9%170
Bhaskar Mukhopadhyay5.6%720
Rebecca Elizabeth Richardson3.1%320
Katarzyna I Kolb2.4%410
Jeffrey P Mornhinweg0.0%310
Catherine N Walker0.0%290
Jessica M Lane0.0%30
Angela Y Ortiz0.0%20
Alexis Rose Ostwalt—016
Adriana Paola Claudio Vazquez—016
Frances Yau—02

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1789?

33.7% over the last five years, across 4,147 resolved applications.

Which examiners in Art Unit 1789 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Lynda Salvatore (62.8%, 697 resolved), Jeremy R Pierce (56.8%, 588 resolved), Jennifer A Steele (55.3%, 418 resolved).

Which examiners in Art Unit 1789 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Jeffrey P Mornhinweg (0.0%, 31 resolved), Katarzyna I Kolb (2.4%, 41 resolved), Rebecca Elizabeth Richardson (3.1%, 32 resolved).

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