Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1762: Examiners and Allowance Rates

37 examiners • 16 with pending office actions • Chemistry & Materials (Tech Center 1700)

Art unit baseline (last 5 years, 6,268 dispositions): 61% allowance rate • 2.9 office actions per allowance • 1,281 days median pendency
ExaminerAllowance rateResolved casesPending apps
Frederick John Parker100.0%10
Jane L Stanley100.0%10
Mark T Kopec93.6%37418
Fred M Teskin90.1%1,15825
William K Cheung88.8%1,0010
Jaison P Thomas88.4%18115
Robert D Harlan86.5%1,2610
Edward J Cain86.1%1,0100
Vu Anh Nguyen85.6%1,34422
Hui H Chin85.5%1,5000
Rip A Lee85.3%1,22631
Bernard Lipman84.6%780
Michael Bernshteyn81.7%7800
Sonya N Wright81.1%530
Elizabeth Kathryn Amato78.7%4716
Roberto Rabago74.0%5070
Robert Stockton Jones Jr.71.1%1,0511
Kelechi Chidi Egwim70.9%68529
Tae H Yoon69.1%1,28436
Christiaan Roelofse68.0%2521
Ling Siu Choi67.5%830
Patrick Dennis Niland67.3%1,17813
Lily Kayoko Sloan67.1%7020
Peter D Mulcahy66.1%5990
Jiangtian Xu63.8%30748
Satya B Sastri63.2%82839
Josephine L Chang57.1%280
Marie L Reddick53.7%3760
Vickey M Nerangis49.4%1780
Elizabeth Eng45.9%2790
Daniel S Metzmaier43.8%3380
Joshua Caleb Bledsoe43.4%10653
Gwendolyn Blackwell10.0%400
David Wei Hsiung Wu0.0%230
Alexa Doroshenk Neckel0.0%20
Katherine A Bareford0.0%10
Arman Mahmood Farazdaghi—08

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1762?

61.2% over the last five years, across 6,268 resolved applications.

Which examiners in Art Unit 1762 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Mark T Kopec (93.6%, 374 resolved), Fred M Teskin (90.1%, 1,158 resolved), William K Cheung (88.8%, 1,001 resolved).

Which examiners in Art Unit 1762 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Gwendolyn Blackwell (10.0%, 40 resolved), Joshua Caleb Bledsoe (43.4%, 106 resolved), Daniel S Metzmaier (43.8%, 338 resolved).

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