Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2196: Examiners and Allowance Rates

49 examiners • 12 with pending office actions • Computing & Software (Tech Center 2100)

Art unit baseline (last 5 years, 3,546 dispositions): 72% allowance rate • 5.3 office actions per allowance • 948 days median pendency
ExaminerAllowance rateResolved casesPending apps
Arpan P Savla100.0%20
Ryan M Stiglic100.0%20
Lewis Alexander Bullock Jr.100.0%10
Jorge A Chu Joy100.0%10
Hau H Nguyen100.0%10
Omar F Fernandez Rivas100.0%10
Matheus R Stivaletti100.0%10
Adam M Queler100.0%10
Kim T Huynh100.0%10
Abdalla A Khaled100.0%10
April Ying Shan Blair97.1%344
Chameli Das93.5%2300
Qamrun Nahar93.1%3340
Qing Yuan Wu91.8%490
Kenneth Tang89.9%690
Mehran Kamran89.8%50014
Charlie Sun89.4%3760
Cam Quy Thi Truong88.9%2260
Sisley Nahyun Kim88.6%69423
Dong U Kim87.5%5290
Van H Nguyen87.2%860
Gregory Aaron Kessler85.8%5860
Benjamin C Wu83.3%600
Jonathan R Labud83.1%4620
Willy W Huaracha83.0%1350
Diem K Cao81.8%59219
Charles M Swift81.7%87337
Adam Lee80.0%1750
Hiren P Patel79.6%42711
Kimbleann C Verdi79.1%670
Sen Thong Chen78.3%460
Steven M Do73.2%1680
Zhi Chen60.6%25920
Todd Aguilera55.3%3090
Paul V Mills53.2%34219
Ross Michael Vincent51.7%2924
Justin Che-Chun Tong45.5%3315
Erika A Kretzmer44.0%910
Kenneth Phuoc Tran30.8%1321
Nikhil R Krishnan25.0%80
Emerson C Puente20.8%240
Faraz Tima Akbari0.0%60
Cordelia P K Zecher0.0%20
Christyann R Pulliam0.0%10
Kimberly L Jordan0.0%10
Carina Yun0.0%10
Jacob F Betit0.0%10
Sehwan Kim0.0%10
Daniel Nhu Truong—09

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2196?

71.7% over the last five years, across 3,546 resolved applications.

Which examiners in Art Unit 2196 have the highest allowance rates?

Among examiners with at least 30 resolved applications: April Ying Shan Blair (97.1%, 34 resolved), Chameli Das (93.5%, 230 resolved), Qamrun Nahar (93.1%, 334 resolved).

Which examiners in Art Unit 2196 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Erika A Kretzmer (44.0%, 91 resolved), Justin Che-Chun Tong (45.5%, 33 resolved), Paul V Mills (53.2%, 342 resolved).

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