Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1734: Examiners and Allowance Rates

48 examiners • 15 with pending office actions • Chemistry & Materials (Tech Center 1700)

Art unit baseline (last 5 years, 5,486 dispositions): 54% allowance rate
ExaminerAllowance rateResolved casesPending apps
Richard Z Zhang100.0%10
Vu Anh Nguyen100.0%10
Laura Estelle Edwards100.0%10
Bijan Ahvazi100.0%10
Marc S Zimmer100.0%10
Derek James Rhoades100.0%10
Timothy C Vanoy91.7%3860
Helene G Klemanski84.9%7210
Anthony M Liang83.8%69126
Carol M Koslow82.6%1,95633
Andrew Mingning Cheung78.9%190
Jie Yang75.2%54048
Deborah Yee73.8%2480
James E Mcdonough72.6%1,15532
Christopher S Kessler71.5%2980
Lynne Renee Edmondson70.9%72931
Jiangtian Xu70.6%510
Jenna Ann Kuipers70.5%4418
Matthew E Hoban63.5%78033
Jacob James Gusewelle62.8%1210
Michael J Kachmarik60.2%930
Maxwell Xavier Duffy58.1%860
Aileen Baker Felton57.6%29538
Rajinder S Bajwa57.4%680
Anita Nassiri Motlagh56.0%63917
Jeremy Conrad Jones55.4%1680
Daniel J Berns54.2%240
Grant Steven Seiler54.1%3727
Nicholas A Wang53.5%54657
Ngoc Yen M Nguyen41.8%5020
Michelle M Hou40.0%50
Rebecca Y Lee37.9%5360
Michael Forrest37.5%960
Megha Mehta Gaitonde37.5%160
Sarah A Slifka34.5%580
Jonathan J Johnson30.0%1000
Brittany M Martinez19.5%410
Emily M Le10.0%100
Weiping Zhu9.6%940
Jenny R Wu5.9%510
Bijay S Saha0.0%250
James A Fiorito0.0%30
Noa William Fran Grooms0.0%10
Colin Michael Zorij0.0%10
Simran Singh Saund—018
Rachel Marie Avina—017
James Morgan Goodh Clever—09
Andrew Jacob Edward Duncan—04

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1734?

53.6% over the last five years, across 5,486 resolved applications.

Which examiners in Art Unit 1734 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Timothy C Vanoy (91.7%, 386 resolved), Helene G Klemanski (84.9%, 721 resolved), Anthony M Liang (83.8%, 691 resolved).

Which examiners in Art Unit 1734 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Jenny R Wu (5.9%, 51 resolved), Weiping Zhu (9.6%, 94 resolved), Brittany M Martinez (19.5%, 41 resolved).

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month