Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2183: Examiners and Allowance Rates

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

Art unit baseline (last 5 years, 3,087 dispositions): 73% allowance rate • 4.5 office actions per allowance • 1,071 days median pendency
ExaminerAllowance rateResolved casesPending apps
Michael W Choy100.0%20
Daniel A Dersarkissian100.0%10
Nimesh G Patel100.0%10
Henry Tsai100.0%10
Ivan O Latorre100.0%10
Qamrun Nahar100.0%10
Shane F Gerstl100.0%10
Farley J Abad100.0%10
Barry J O Brien100.0%10
James K Trujillo100.0%10
Charles Rones100.0%10
Diedra M Mcquitery100.0%10
Michael Sun97.0%33511
Michael J Metzger95.8%14216
Hyun Nam93.1%37510
Eric Coleman92.8%9290
Michael D Yaary90.6%640
Tan V Mai90.0%700
William M Treat90.0%100
Michelle Taeuber Bechtold89.7%780
Benjamin P Geib88.8%2500
Daniel H Pan86.5%890
Jesse R Moll83.3%60
Jacob Andrew Petranek80.1%78717
Corey S Faherty79.7%9230
Courtney P Spann79.7%27122
Idriss N Alrobaye77.7%1750
Richard L Ellis77.4%530
Matthew D Sandifer77.1%350
David H Malzahn76.7%730
Jyoti Mehta71.7%1134
William B Partridge70.1%2740
Aimee J Li68.3%1990
John M Lindlof68.0%43515
William V Nguyen67.7%960
Boris Gorney66.7%60
Shawn Doman64.9%28829
Yuqing Xiao64.3%980
Brian P Johnson64.3%140
Chuong D Ngo62.3%530
Robert E Fennema61.3%1990
Kasim A Alli61.3%12415
Vivian Diem Ha Ledynh60.0%150
Andrew J Cromer59.1%220
Emilio Alcantara-Ramos58.3%1214
David J Huisman57.7%68834
George Giroux56.8%2270
Keith E Vicary56.8%39130
Keith A Nielsen56.5%460
Huy Duong55.7%790
Calvin M Brien51.7%290
Aaron B Pederson41.7%120
Andrew T Caldwell5.6%180
Eddie P Chan0.0%80
Kevin P Rizzuto0.0%10
Ryan Paul Fiegle0.0%10
Cordelia P K Zecher0.0%10
Kelsi Ann Loudenslager0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2183?

72.6% over the last five years, across 3,087 resolved applications.

Which examiners in Art Unit 2183 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Michael Sun (97.0%, 335 resolved), Michael J Metzger (95.8%, 142 resolved), Hyun Nam (93.1%, 375 resolved).

Which examiners in Art Unit 2183 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Huy Duong (55.7%, 79 resolved), Keith A Nielsen (56.5%, 46 resolved), Keith E Vicary (56.8%, 391 resolved).

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