Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2892: Examiners and Allowance Rates

57 examiners • 15 with pending office actions • Semiconductors, Circuits & Optics (Tech Center 2800)

Art unit baseline (last 5 years, 5,103 dispositions): 72% allowance rate • 2.7 office actions per allowance • 862 days median pendency
ExaminerAllowance rateResolved casesPending apps
Daniel Hyun Suh100.0%40
Michael Brennan Sun100.0%212
Kevin V Quinto100.0%20
Galina G Yushina100.0%10
Frank S Hou100.0%10
Jaehwan Oh100.0%10
Cuong B Nguyen100.0%10
Michael P Wieczorek100.0%10
Euncha P Cherry100.0%10
Antonio B Crite100.0%10
Matthew E Warren100.0%10
Nelson Y Garces100.0%10
Khanh Tuan Nguyen100.0%10
Steven Ho Yin Loke100.0%10
Omar F Mojaddedi100.0%10
Mohammad M Choudhry100.0%10
Timothy Owen Keegan100.0%10
Peter B Kim100.0%10
Phuc T Dang93.8%1,2500
Ethan Edward Cutler92.4%6615
Khiem D Nguyen92.4%5790
Quoc Dinh Hoang92.2%1,2160
Lalrinfamkim Hmar Malsawma90.3%1,11825
Nduka E Ojeh89.8%81418
Calvin Lee89.0%1000
Hoai V Pham88.9%7096
Sean Ayers Winters88.7%15930
Colin Russell Mccutcheon87.9%5817
Trung Q Dang87.8%2790
Azm A Parvez87.5%813
Sammantha Katelyn Salaz87.1%3126
Chuong A Luu86.2%3050
Ajay Arora84.6%92311
Xia L Cross82.7%47410
Alonzo Chambliss82.1%2630
Bruce Robert Smith III78.7%470
Norman Drew Richards78.3%464
Matthew E Gordon71.7%8410
Laura M Dykes66.2%53026
Gardner W.S Swan64.4%2840
Eric W Jones62.2%71723
Sheng-Bai Zhu59.5%5180
Thanh Y Tran58.5%1180
Allen L Parker56.5%1540
Robert Thomas Huber55.5%6200
Tanika D Warrior53.8%1040
Patricia D Valenzuela52.9%170
Long Huynh Le52.9%700
Geoffrey H Ida52.5%3050
Elias Ullah49.1%1160
Kimberly N Trice44.3%1150
John-Rolf Oakley38.6%880
William F Kraig38.2%2070
Thao X Le27.8%360
Brian B Lee0.0%10
Ker-Ming Chin0.0%10
Daniel Morris Wasserburg—02

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2892?

71.9% over the last five years, across 5,103 resolved applications.

Which examiners in Art Unit 2892 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Phuc T Dang (93.8%, 1,250 resolved), Ethan Edward Cutler (92.4%, 66 resolved), Khiem D Nguyen (92.4%, 579 resolved).

Which examiners in Art Unit 2892 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Thao X Le (27.8%, 36 resolved), William F Kraig (38.2%, 207 resolved), John-Rolf Oakley (38.6%, 88 resolved).

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