Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2189: Examiners and Allowance Rates

49 examiners • 13 with pending office actions • Computing & Software (Tech Center 2100)

Art unit baseline (last 5 years, 824 dispositions): 72% allowance rate
ExaminerAllowance rateResolved casesPending apps
Rehana Perveen100.0%281
Hannah A Faye100.0%260
Leandro R Villanueva100.0%20
Ngoc V Dinh100.0%20
Eric Alan Post100.0%10
Zhuo H Li100.0%10
Hua Jasmine Song93.7%2050
John A Lane89.9%890
Mehdi Namazi89.3%750
Shawn X Gu88.1%1260
Behzad Peikari87.5%80
Chuen-Meei Gan85.1%8712
Reba I Elmore84.0%2620
Kevin Verbrugge83.3%1620
Angel Javier Calle83.3%2422
Eric Cardwell81.4%1880
Bijan Mapar80.4%10224
Troy A Maust79.2%535
Hamdy S Ahmed79.2%1490
Nithya Janakiraman Moll78.5%10723
Cedric D Johnson77.8%540
Kibrom K Gebresilassie77.5%13829
Denise Tran75.7%370
Aracelis Ruiz74.4%2380
Cuong V Luu74.2%660
Arvind Talukdar72.0%820
Baboucarr Faal69.9%1330
Larry T Mackall68.6%1750
Brendan S Lillis66.7%210
Eric T Loonan66.0%1410
Gurtej Bansal63.1%1760
Nupur Debnath62.5%240
Daniel J Bernard61.3%930
Thanh Duc Vo60.9%1380
John David Hagler59.4%329
Nathan Sadler52.4%1890
Christopher N Do52.2%230
Christian Chace50.0%20
Jay B Hann47.4%380
Kenneth M Lo46.8%790
Kyle Hwa-Kai Tseng46.2%2624
Victor W Wang43.4%760
John Paul Hocker37.5%2419
Narciso Eduardo Montes33.3%620
Reginald Glenwood Bragdon28.6%70
Stella Eun Higgs25.0%40
Jacob F Betit0.0%10
Henry Joyner Gold—08
Hayden James Dansereau—07

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2189?

72.3% over the last five years, across 824 resolved applications.

Which examiners in Art Unit 2189 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Hua Jasmine Song (93.7%, 205 resolved), John A Lane (89.9%, 89 resolved), Mehdi Namazi (89.3%, 75 resolved).

Which examiners in Art Unit 2189 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Victor W Wang (43.4%, 76 resolved), Kenneth M Lo (46.8%, 79 resolved), Jay B Hann (47.4%, 38 resolved).

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