Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2141: Examiners and Allowance Rates

60 examiners • 15 with pending office actions • Computing & Software (Tech Center 2100)

Art unit baseline (last 5 years, 1,307 dispositions): 26% allowance rate
ExaminerAllowance rateResolved casesPending apps
Ramsey Refai100.0%60
Kenneth R Coulter100.0%50
Nicholas R Taylor100.0%50
Stephen S Hong100.0%30
Brian J Gillis100.0%30
Ranodhi N Serrao100.0%20
Le Hien Luu100.0%20
Ann J Lo100.0%20
Chirag R Patel100.0%10
Kieu D Vu100.0%10
Phenuel S Salomon100.0%10
Bitew A Dinke100.0%10
David Kim100.0%112
Nicole E Kim100.0%10
Pei Yong Weng96.1%12930
Eric J Bycer93.9%987
Quang N Nguyen90.9%110
Matthew Ell88.9%277
Andrew L Tank79.8%10422
Hope Cornell Sheffield79.5%440
William D Titcomb79.3%3760
Nicholas Augustine74.1%4090
Blaine T Basom71.6%7421
Kristie D Shingles69.2%130
Michael Roswell68.6%510
Nicholas Hasty67.2%5824
Claudia B Dragoescu67.1%2980
Toan H Vu67.1%2370
Djenane M Bayard66.7%30
Di Xiao64.7%3060
David H Tan62.5%80
Andrey Belousov59.0%1440
Tan H Tran56.5%20942
Daeho D Song55.8%2650
Jonathan J Kim53.8%1313
Grant M Ford50.0%20
Erik V Stitt48.7%1170
Sang H Kim48.3%1800
Roland J Casillas47.7%2620
Meseker Takele45.1%1530
Humaira Zahin Mauni44.8%2921
Andres E Gutierrez37.9%1160
Sajeda Muhebbullah30.9%1230
Parmanand D Patel30.0%100
Michael J Cabrera29.4%170
Ishan Nmn Moundi27.6%2918
Seth Adam Silverman27.3%220
Louis Christopher Nye26.7%1522
Samuel Shen26.1%230
William Wong25.9%1850
Amy Ng22.4%490
Cordelia P K Zecher0.0%60
Byungkwon Han0.0%10
Jennifer N Welch0.0%10
Bradford F Fritz0.0%10
Thanh T Vu0.0%10
Hua Lu0.0%10
Seth Capriano-Uma Shelton—09
Michael Hoang Le—04
Rayan Mirmotahari—01

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2141?

26.4% over the last five years, across 1,307 resolved applications.

Which examiners in Art Unit 2141 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Pei Yong Weng (96.1%, 129 resolved), Eric J Bycer (93.9%, 98 resolved), Andrew L Tank (79.8%, 104 resolved).

Which examiners in Art Unit 2141 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Amy Ng (22.4%, 49 resolved), William Wong (25.9%, 185 resolved), Sajeda Muhebbullah (30.9%, 123 resolved).

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