Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2123: Examiners and Allowance Rates

76 examiners • 14 with pending office actions • Computing & Software (Tech Center 2100)

Art unit baseline (last 5 years, 1,756 dispositions): 39% allowance rate • 8.0 office actions per allowance • 1,679 days median pendency
ExaminerAllowance rateResolved casesPending apps
Nabil A Adawi Jr.100.0%20
Beau D Spratt100.0%10
Bart I Rylander100.0%10
Tsu-Chang Lee100.0%10
Qamrun Nahar100.0%10
Abdullah Al Kawsar100.0%10
Erick Andrew Butzlaff100.0%10
Kamran Afshar100.0%10
Steven Huynh Phung100.0%10
Mariela D Reyes100.0%10
David J Hofer100.0%10
Benjamin P Geib90.1%2020
Steven W Crabb88.0%250
Daniel Calrissian Puentes84.8%460
David Robert Vincent79.8%36217
Hien Dieu Thi Khuu79.5%390
Mary C Jacob79.2%2210
Kidest Worku79.1%1960
Dwin M Craig78.4%4030
Iftekhar A Khan77.8%90
Kandasamy Thangavelu77.3%4010
Eunhee Kim74.9%3790
Paulinho E Smith72.7%110
Casey R Garner71.0%27919
Cedric D Johnson69.9%2460
Robert H Bejcek II68.8%1280
Juan Carlos Ochoa67.7%2480
Nithya Janakiraman Moll67.3%1040
Aniss Chad66.0%3320
Bernard E Cothran65.7%350
Sheela S Rao65.5%580
Luke R Osborne65.4%1790
Michael P Healey65.0%400
David Silver64.5%930
Beatriz A Ramirez Bravo63.5%630
Andre Pierre Louis62.0%3210
David M Rogers61.8%680
Carlos R Ortiz Rodriguez61.4%700
Russell L Guill58.4%3220
Jay B Hann58.3%1870
Ahsif A. Sheikh56.8%440
Devika S Maharaj56.2%8918
Fen Christopher Tamulonis55.6%90
Nathan L Laughlin54.5%1010
Oluwatosin O Alabi53.6%280
Hamza Razzaq Mughal50.0%100
Zoila E Cabrera50.0%40
Clint Lee Mullinax47.4%13317
Fuming Wu46.2%130
Brian S Cook45.8%1310
Hansol Doh44.4%90
John E Johansen44.4%90
Ben M Rifkin44.2%9526
Sehwan Kim44.1%340
Jason Scott Proctor43.6%780
Tri T Nguyen43.2%370
Kyu Hyung Han41.2%1718
Alexey Shmatov38.6%570
Duy T Diep36.1%3615
Qamar Iqbal30.0%100
Sally Thi Ley25.0%80
Alfred H. Wechselberger20.0%100
Shishir Agrawal8.0%2513
Kamini S Shah4.5%220
Paul L Rodriguez0.0%120
Matthew Bryce Golan0.0%825
Suzanne Lo0.0%40
Michael Aaron Merabi0.0%30
Cordelia P K Zecher0.0%20
Brian J Assessor0.0%20
Christopher M Lewis0.0%10
Mahliet Tasew Admasu0.0%113
Naymur Rahman Ali0.0%119
Zane Alexander Rawlings—08
Peter Thomas Annis—07
Misha Dayla Zatezalo—02

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2123?

38.8% over the last five years, across 1,756 resolved applications.

Which examiners in Art Unit 2123 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Benjamin P Geib (90.1%, 202 resolved), Daniel Calrissian Puentes (84.8%, 46 resolved), David Robert Vincent (79.8%, 362 resolved).

Which examiners in Art Unit 2123 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Duy T Diep (36.1%, 36 resolved), Alexey Shmatov (38.6%, 57 resolved), Tri T Nguyen (43.2%, 37 resolved).

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