Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2645: Examiners and Allowance Rates

50 examiners • 16 with pending office actions • Communications (Tech Center 2600)

Art unit baseline (last 5 years, 5,661 dispositions): 69% allowance rate • 4.0 office actions per allowance • 1,128 days median pendency
ExaminerAllowance rateResolved casesPending apps
Jason Scott Utley100.0%20
Young Toi Tse100.0%10
Quochien B Vuong93.7%33516
Mong Thuy Thi Tran92.4%40610
Mahendra R Patel91.8%76017
Diane D Mizrahi91.8%6210
Congvan Tran91.3%3100
William D Cumming91.1%79919
Junpeng Chen90.7%31222
Daniel Lai90.4%2400
Tangela T Chambers90.0%200
Chuong A Ngo90.0%78911
Farid Seyedvosoghi88.6%3958
Christopher M Brandt88.5%66011
Brandon J Miller88.4%5090
Vladimir Magloire86.9%1370
Nizar N Sivji86.5%5390
Shantell Laketa Heiber86.0%39927
Babar Sarwar85.8%4010
Inder P Mehra85.5%3510
Jr, Joseph E Dean83.7%3070
Tanisha P Jackson83.3%60
Omoniyi Obayanju81.3%26722
Michael S Bush81.0%210
Raymond S Dean80.4%30124
Natasha W Cosme76.2%420
Michael Y Mapa75.8%65834
Quan M Hua75.2%54838
Wesley Leo Kim74.0%1540
Matthew W Genack72.6%42023
Asghar H Bilgrami71.0%2380
Nam Trung Huynh69.6%3130
Marcos L Torres64.8%2930
Dinh Nguyen64.7%2830
Marcus C Hammonds62.9%2100
Ki Ha Nam62.5%80
Amanuel Lebassi61.1%180
Muthuswamy Ganapathy Manoharan59.8%2810
Jing Gao57.3%2200
Martin N Chang57.1%560
Sowmini Nair55.6%180
Donald H.B. Braswell55.6%90
Umair Ahsan51.8%1660
Edd Rianne L Plata51.6%950
Anthony S Addy47.5%4010
Hung K Du36.6%2240
Munsoon Choo29.4%170
Sarwat Chughtai12.5%80
George Eng9.1%220
Artiben Jaimin Patel—011

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2645?

68.7% over the last five years, across 5,661 resolved applications.

Which examiners in Art Unit 2645 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Quochien B Vuong (93.7%, 335 resolved), Mong Thuy Thi Tran (92.4%, 406 resolved), Mahendra R Patel (91.8%, 760 resolved).

Which examiners in Art Unit 2645 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Hung K Du (36.6%, 224 resolved), Anthony S Addy (47.5%, 40 resolved), Edd Rianne L Plata (51.6%, 95 resolved).

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