Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 3677: Examiners and Allowance Rates

37 examiners • 14 with pending office actions • Transportation, E-Commerce & Mechanical Systems (Tech Center 3600)

Art unit baseline (last 5 years, 7,122 dispositions): 55% allowance rate • 971 days median pendency
ExaminerAllowance rateResolved casesPending apps
Amber Nicole Helms100.0%30
Marcus Menezes100.0%10
Forrest G Hall100.0%10
Kara Jean Brooks100.0%118
Mark C Clare100.0%10
Hanh Van Tran100.0%10
Chuck Y Mah79.6%1,41612
Robert John Sandy79.6%8170
William L Miller79.0%1,76333
Louis A Mercado78.6%68231
David M Upchurch73.7%1,04025
Carl J Carlson70.6%170
Roberta S Delisle70.1%1,1380
Rowland Do70.0%81941
Dil Kumar Magar69.0%290
Gary Wayne Estremsky68.4%9830
Abigail E Troy66.8%3460
Jack W Lavinder65.4%1,79925
Jason W San65.0%5947
Michael S Lee63.1%85233
Matthew J Sullivan62.9%1,09030
Amit Singh Dhillon62.3%530
James R Brittain59.0%4220
Flemming Saether56.3%1,2570
Anna Salem Rashid54.9%514
Ruth C Rodriguez52.9%680
Jeffrey D O Brien50.6%7918
Gay Spahn50.0%260
Philip T Johnson45.8%1440
David C Reese37.4%1900
Emily M Morgan35.7%1,02638
James Lamar Cline Jr.29.4%170
Caroline L Natirboff28.6%630
Jock M Wong27.0%370
Victor D Batson4.0%1510
Fredrick C Conley0.0%10
Deztany Ove Jackson—03

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 3677?

55.1% over the last five years, across 7,122 resolved applications.

Which examiners in Art Unit 3677 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Chuck Y Mah (79.6%, 1,416 resolved), Robert John Sandy (79.6%, 817 resolved), William L Miller (79.0%, 1,763 resolved).

Which examiners in Art Unit 3677 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Victor D Batson (4.0%, 151 resolved), Jock M Wong (27.0%, 37 resolved), Caroline L Natirboff (28.6%, 63 resolved).

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