Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1786: Examiners and Allowance Rates

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

Art unit baseline (last 5 years, 4,346 dispositions): 47% allowance rate • 3.6 office actions per allowance • 1,200 days median pendency
ExaminerAllowance rateResolved casesPending apps
Lucas Quoc Nguyen100.0%226
Liam J Heincer100.0%10
Nahida Sultana100.0%10
Patricia L Nordmeyer100.0%10
Jenna N Chandhok100.0%10
Alexander C Kollias88.2%9328
Gregory D Clark86.9%1,19641
Norca Liz Torres Velazquez75.6%1310
Dawn L Garrett75.2%84649
Camie S Thompson74.3%1,23945
Jay Lee Yang74.1%92246
Lynda Salvatore71.5%1790
Marie Rose Yamnitzky69.9%4580
Ula Corinna Tavares-Crockett65.5%290
Arti R Singh-Pandey65.2%4190
Dylan Clay Kershner63.8%30126
Rachel A Simbana62.0%18444
Sean M Deguire61.2%29441
Michael H Wilson61.0%2490
Andrew K Bohaty60.5%6480
Seokmin Jeon59.4%14343
Cheryl Ann Juska56.0%250
Jenna Leigh Johnson53.3%150
Elizabeth M Dahlburg51.5%20045
Matthew D Matzek50.3%53120
Braelyn Watson45.5%14329
Vincent Tatesure44.8%44025
Andrew T Piziali40.0%200
Frank J Vineis36.0%2000
Brett Alan Crouse29.6%1350
Jennifer A Boyd27.3%12119
Peter Y Choi21.7%60050
Ricardo E. Lopez21.3%4650
Altrev C Sykes19.6%1790
Christine Rea18.6%590
Rebecca Janssen10.0%300
Donald Lawrence Tarazano7.7%130
Keili Diaz—07
Chandler Kanoa Dobson—02

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1786?

47.0% over the last five years, across 4,346 resolved applications.

Which examiners in Art Unit 1786 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Alexander C Kollias (88.2%, 93 resolved), Gregory D Clark (86.9%, 1,196 resolved), Norca Liz Torres Velazquez (75.6%, 131 resolved).

Which examiners in Art Unit 1786 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Rebecca Janssen (10.0%, 30 resolved), Christine Rea (18.6%, 59 resolved), Altrev C Sykes (19.6%, 179 resolved).

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