Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2143: Examiners and Allowance Rates

51 examiners • 17 with pending office actions • Computing & Software (Tech Center 2100)

Art unit baseline (last 5 years, 2,770 dispositions): 50% allowance rate • 3.8 office actions per allowance • 1,477 days median pendency
ExaminerAllowance rateResolved casesPending apps
Phuoc H Nguyen100.0%90
George C Neurauter Jr.100.0%30
Asghar H Bilgrami100.0%10
Riley Sullivan Acosta100.0%120
Docket Central100.0%10
William C Vaughn Jr.100.0%10
Rinna Yi100.0%10
Kishin G Belani100.0%10
Anne-Marie K Alderson100.0%10
Charity Leah O Sibal100.0%10
Phuong H Nguyen88.9%450
Jude Jean Gilles88.9%90
Le V Nguyen87.0%230
Alina A Boutah85.7%70
Kuang Fu Chen79.8%27229
Beau D Spratt78.8%45830
Xuyang Xia73.6%48130
Kyle R Stork73.3%300
Amy P Hoang72.0%24616
Parmanand D Patel70.6%1090
Hugo Molina67.4%1840
Sanchita Roy66.7%300
Ashley Fortino63.8%2600
Jake Timothy Breen63.6%225
Reji P Kartholy62.8%16411
Namitha Pillai62.2%2490
Liang Y Li62.0%28723
Nhat Huy T Nguyen59.2%760
John T Repsher III58.7%35631
Joseph R Burwell56.6%1450
Megan Elizabeth Hwang55.9%349
Qi Wan55.3%2370
Eric Yoon52.8%1990
Quoc Ly Phu Phung50.0%3416
Jerry B Dennison50.0%60
David E England50.0%60
Kyung H Shin50.0%20
Li P Sun47.9%1670
Vijay Murali Balakrishnan44.8%2915
Jennifer N Welch43.8%964
Sunil Sundar43.5%230
James Gregory Pohlman41.7%120
Terri L Filosi39.6%1060
Mark D Fearer0.0%30
Julian Thuong-Chi Bui0.0%20
Eric J Bycer0.0%10
Fatima M Ast0.0%10
Justin Alexander Cardoso—015
Rolando Patrick Virreira—08
Shawn Michael Blain—03
Christopher Won-Bin Chay—01

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2143?

50.4% over the last five years, across 2,770 resolved applications.

Which examiners in Art Unit 2143 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Phuong H Nguyen (88.9%, 45 resolved), Kuang Fu Chen (79.8%, 272 resolved), Beau D Spratt (78.8%, 458 resolved).

Which examiners in Art Unit 2143 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Terri L Filosi (39.6%, 106 resolved), Jennifer N Welch (43.8%, 96 resolved), Li P Sun (47.9%, 167 resolved).

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