Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2126: Examiners and Allowance Rates

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

Art unit baseline (last 5 years, 1,507 dispositions): 35% allowance rate • 3.4 office actions per allowance • 1,558 days median pendency
ExaminerAllowance rateResolved casesPending apps
Douglas S Lee100.0%40
Abdullah Al Kawsar100.0%30
Omar F Fernandez Rivas100.0%30
Rajendra P Khadka100.0%20
Mohammad Ali100.0%20
Paul M Knight100.0%10
Jennifer N Welch100.0%10
Mariela D Reyes100.0%10
Usmaan Saeed100.0%10
Mohammad Azam Sana100.0%10
Alexey Shmatov100.0%10
Reji P Kartholy100.0%10
Pei Yong Weng100.0%10
Barbara Henry Level100.0%10
Reza U Nabi100.0%10
Hosain T Alam100.0%10
Michael B Holmes94.3%1410
Ruay L Ho92.6%940
Dennis Butler90.4%520
Ronald D Hartman Jr.90.2%410
Crystal Joy Barnes-Bullock89.8%880
Stanley K Hill82.5%570
Andrew Angel Bracero82.4%1711
Charles R Kasenge80.1%2460
Syed Rayhan Ahmed79.2%2414
Thomas H Stevens77.6%1340
Darrin D Dunn76.9%1170
Luis A Sitiriche76.0%22113
Steven R Garland75.3%930
Van C Mang75.1%26118
Sivalingam Sivanesan74.1%540
Tri T Nguyen74.1%270
Anthony T Whittington70.6%850
Viker Alejandro Lamardo69.8%1160
David Yi68.4%385
Tejal Gami66.7%690
Paul Coleman66.7%279
Santosh Raj Poudel66.7%150
Em N Trieu66.7%60
Maria N Von Buhr66.0%470
Shon G Foley65.7%350
Jigneshkumar C Patel65.2%920
Nathan L Laughlin65.0%1000
Marzia T Monty63.6%330
Tsu-Chang Lee58.6%700
Jennifer L Norton50.0%1320
Yagnesh J Trivedi50.0%20
Tao Peng50.0%20
Fen Christopher Tamulonis47.7%860
Charles C Kuo43.8%800
Ezra James Baker42.9%2816
Amy Nmn Tran40.0%3527
Evan William Lehrer40.0%50
Nicholas B Shine37.2%432
Fenyang A Stewart36.7%300
Oluwatosin O Alabi36.1%360
Leonard A Sieger35.8%1200
Jay Young Jung35.0%600
Scott Richard Gardner33.3%300
Ann J Lo29.4%340
Robert E Fennema27.3%440
Md N Mia24.0%250
Christopher W Carter20.0%100
Devan Kapoor6.7%1526
Cordelia P K Zecher0.0%120
Paul Gordon Smith0.0%40
Giovanni Naula0.0%20
William D Titcomb0.0%10
Dustin Michael Kurtz0.0%10
Awadagbe Gerard Hounton—08
Samiyah Kabir—06
Cameron Riley Castanares—01

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2126?

35.2% over the last five years, across 1,507 resolved applications.

Which examiners in Art Unit 2126 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Michael B Holmes (94.3%, 141 resolved), Ruay L Ho (92.6%, 94 resolved), Dennis Butler (90.4%, 52 resolved).

Which examiners in Art Unit 2126 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Robert E Fennema (27.3%, 44 resolved), Ann J Lo (29.4%, 34 resolved), Scott Richard Gardner (33.3%, 30 resolved).

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