Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2179: Examiners and Allowance Rates

56 examiners • 9 with pending office actions • Computing & Software (Tech Center 2100)

Art unit baseline (last 5 years, 2,900 dispositions): 52% allowance rate • 5.2 office actions per allowance • 1,034 days median pendency
ExaminerAllowance rateResolved casesPending apps
Irete Fred Ehichioya100.0%160
Fernando Alcon100.0%10
Tadesse Hailu100.0%10
Stephen S Hong100.0%10
Marina Lee100.0%10
Cao H Nguyen100.0%10
Thanh T Vu97.6%16913
Di Xiao92.1%1910
Rinna Yi92.1%10111
Amelia L Tapp90.2%510
Haoshian Shih89.0%15414
Tuan S Nguyen87.2%478
Nicholas S Ulrich83.7%20316
Roland J Casillas83.3%1620
Ayesha E Huertas Torres83.3%180
Xiomara L Bautista82.6%1380
Truc T Chuong76.5%1870
Jeanette J Parker74.5%470
Pei Yong Weng74.4%4880
Ba Huynh70.4%1250
Andrew L Tank70.2%570
Tuyetlien T Tran68.3%66216
Dino Kujundzic65.4%3870
Angie M Badawi64.8%14512
Samuel Shen64.2%5316
Phoebe X Pan62.5%4812
Enrique W Iturralde59.2%1960
Mylinh T Tran58.1%620
Rashedul Hassan55.8%1540
Steven B Theriault55.1%4790
Amy M Levy53.9%3970
Nicholas Augustine53.3%1350
Jung-Mu T Chuang52.0%3440
Kim Lynn Dam50.0%220
Richard J Dottermusch50.0%20
Renee D Chavez49.1%550
Jianmei F Duckworth43.4%1890
Sara M England42.1%380
Eric A Wiener41.3%630
Shashi Kamala Becker41.2%510
Jeremy L Stanley38.6%1970
Stella Eun Higgs37.9%2820
Phenuel S Salomon35.9%390
Abimbola Ayeni34.0%530
William Wong32.4%370
David S. Posigian32.3%1980
Patrick Randal Ramsey31.9%1130
Hsiyue S Hsiao31.0%290
Samir Termanini30.0%100
John M Heffington23.7%380
Carl P Lobo19.4%1030
David A Spellman18.8%480
Patrick P Fasang16.7%120
Anil K Bhargava16.7%120
Weilun Lo2.7%740
Cordelia P K Zecher0.0%20

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2179?

52.2% over the last five years, across 2,900 resolved applications.

Which examiners in Art Unit 2179 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Thanh T Vu (97.6%, 169 resolved), Di Xiao (92.1%, 191 resolved), Rinna Yi (92.1%, 101 resolved).

Which examiners in Art Unit 2179 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Weilun Lo (2.7%, 74 resolved), David A Spellman (18.8%, 48 resolved), Carl P Lobo (19.4%, 103 resolved).

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