Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2122: Examiners and Allowance Rates

69 examiners • 16 with pending office actions • Computing & Software (Tech Center 2100)

Art unit baseline (last 5 years, 1,724 dispositions): 32% allowance rate • 2.0 office actions per allowance
ExaminerAllowance rateResolved casesPending apps
Maria De Jesus Rivera100.0%10
Joseph M Mutschler100.0%10
Peter D Thompson100.0%10
Jialong He100.0%10
Geoffrey R St Leger100.0%10
Christopher J Raab100.0%10
Kathleen M Broughton100.0%10
Saad M Kabir100.0%10
Daniel Sean Larkin100.0%10
Chuck O Kendall100.0%10
Barbara Henry Level100.0%10
Phuong Huynh100.0%10
Li Wu Chang100.0%10
Mario Riojas Ramirez87.5%160
Brandon S Cole86.8%2190
Omar F Fernandez Rivas85.1%740
Kidest Worku84.1%440
Daywayshwar D Misir83.4%1570
Kalpana Bharadwaj83.3%780
Luis A Sitiriche79.4%2530
Crystal Joy Barnes-Bullock79.4%340
Mai T Tran78.3%1200
Eric Nilsson77.8%3110
Sivalingam Sivanesan75.0%240
Peter D Coughlan74.6%1970
Michael D Masinick73.5%340
Wilbert L Starks73.3%50927
Adam C Standke71.4%70
Isidore S Sobkowski71.4%70
Daniel T Pellett70.8%1610
Vincent Gonzales68.3%1200
Kelvin Booker66.7%180
Walter P Hanchak66.5%1610
Sheela S Rao63.2%190
Kevin W Figueroa63.0%460
Robert Lewis Kulp61.4%440
Ababacar Seck61.4%3700
Carlos R Ortiz Rodriguez59.1%220
Michael Zidanic58.8%1940
Vasyl Dykyy58.3%240
Fuming Wu57.8%1020
Nathan L Laughlin55.9%340
Michael H Hoang54.8%15731
Su-Ting Chuang54.4%570
Brian M Smith52.5%26325
Tyler Edward Iles50.0%1013
Chaitanya R Jayakumar50.0%20
Charles C Kuo50.0%20
Josep Han48.1%2720
Molly Clarke Sippel48.1%2715
Shien Ming Chou48.0%250
Johnathan R Germick45.7%10522
Tejal Gami43.8%320
Viker Alejandro Lamardo41.5%530
Ben M Rifkin39.2%1430
Kevin Lee Smith36.8%14428
Asher H. Jablon33.3%30
Kakali Chaki29.6%542
Charles Jeffrey Jones28.0%2519
Ying Yu Chen27.3%110
Robert N Day26.7%3022
Marshall L Werner25.0%40
Jacob Zachary Sussman Moss23.5%1716
Ibrahim Rahman15.8%1917
Jesse Chen Coulson0.0%53
Brent Johnston Hoover0.0%10
Peter J Walsh0.0%10
Natnael Arega Asegdew—013
Hayden Young Ardale—03

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2122?

31.6% over the last five years, across 1,724 resolved applications.

Which examiners in Art Unit 2122 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Brandon S Cole (86.8%, 219 resolved), Omar F Fernandez Rivas (85.1%, 74 resolved), Kidest Worku (84.1%, 44 resolved).

Which examiners in Art Unit 2122 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Robert N Day (26.7%, 30 resolved), Kakali Chaki (29.6%, 54 resolved), Kevin Lee Smith (36.8%, 144 resolved).

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