Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2897: Examiners and Allowance Rates

61 examiners • 41 with pending office actions • Semiconductors, Circuits & Optics (Tech Center 2800)

Art unit baseline (last 5 years, 7,340 dispositions): 83% allowance rate • 3.2 office actions per allowance • 1,117 days median pendency
ExaminerAllowance rateResolved casesPending apps
Chad M Dicke100.0%200
Warwick Robert Steer100.0%30
Prashant Umakant Kenkare100.0%20
Puneet S Dhillon100.0%10
Wilner Jean Baptiste100.0%10
Thomas K Pham100.0%10
Gabriel Sebastian Minney100.0%124
Muaamar Qahtan Al-Taweel100.0%10
Teresa Nicole Mickey100.0%111
Matthew E Warren100.0%10
Jordan M Klein100.0%10
Andres F Munoz100.0%10
Zheng B Song100.0%10
Errol V Fernandes100.0%10
Long Pham99.1%44320
Phuc T Dang99.1%52816
Mamadou L Diallo99.0%28910
Ashley Nicole Blackwell97.3%7322
Mohammed R Alam96.8%15613
Adam S Bowen96.5%74818
Douglas W Owens96.1%1271
Grace Yeh-Eun Saet Cha96.0%5015
Vu A Vu95.2%35342
Allan R Wilson95.0%6660
Sheikh Maruf94.7%15225
Marshall Mu-Nuo Hatfield92.7%9617
Jorge Andres Lopez92.7%417
Alonzo Chambliss92.3%93813
Karen M Kusumakar91.2%82213
Hung K Vu91.0%82228
Douglas M Menz91.0%60824
Priya M Rampersaud89.5%8612
Thinh T Nguyen89.0%8570
Valerie N Newton88.8%73227
Gary Robert Abel87.9%5838
Jeremy Daniel Watts86.0%9326
Neil R Prasad86.0%70824
Shawn Shaw Muslim85.7%8412
Victoria Kathleen Hall84.1%83822
Ryan Timothy Fortin83.9%620
Peter Bradford82.7%73827
Aaron J Gray82.3%52128
Mohammed Shamsuzzaman81.6%91621
Dave Tan81.2%1621
Lawrence-Lin T Nguyen80.9%2150
John C Ingham79.5%2290
Aaron Michael Wegner75.6%4139
Jahae Kim72.9%4810
Jacob Y Choi72.7%226
Sheng-Bai Zhu70.6%16054
Christine Lau Hagan60.0%850
Bryan R. Junge59.6%50226
Mario Andres Autore Jr.56.5%4620
Fernando L Toledo52.6%190
Everett Trajan Ririe50.0%425
Kimberly N Trice40.0%50
Ethan Alexander Tuttle0.0%219
Timothy James Mattaboni—024
William Robert Mann—013
Matthew Lianfeng Shen—06
Tyler Christian Grover—01

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2897?

82.9% over the last five years, across 7,340 resolved applications.

Which examiners in Art Unit 2897 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Long Pham (99.1%, 443 resolved), Phuc T Dang (99.1%, 528 resolved), Mamadou L Diallo (99.0%, 289 resolved).

Which examiners in Art Unit 2897 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Mario Andres Autore Jr. (56.5%, 46 resolved), Bryan R. Junge (59.6%, 502 resolved), Christine Lau Hagan (60.0%, 85 resolved).

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