Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2817: Examiners and Allowance Rates

99 examiners • 36 with pending office actions • Semiconductors, Circuits & Optics (Tech Center 2800)

Art unit baseline (last 5 years, 5,994 dispositions): 82% allowance rate • 4.4 office actions per allowance • 1,031 days median pendency
ExaminerAllowance rateResolved casesPending apps
Matthew E Warren100.0%220
Christian L Rivera100.0%70
Siangluai Mang100.0%60
Sue A Purvis100.0%50
Jacob Alexander Vlcek100.0%10
Amir Zarabian100.0%10
Duy Vu Nguyen Deo100.0%10
David F Dunphy100.0%10
Suberr L Chi100.0%10
Gevell V Selby100.0%10
Julian D Huffman100.0%10
Sesha Sairaman Srinivasan100.0%132
Shih Tsun A Chou100.0%10
Mushfique Siddique100.0%10
Vu A Vu100.0%10
Samuel Park100.0%10
Steven Ho Yin Loke100.0%10
Grant A Ellis100.0%10
Jas A Sanghera100.0%10
Michael B Shingleton100.0%10
Kyoung Lee98.2%2829
John P Dulka97.9%24025
David Nhu97.5%1610
Yu-Hsi David Sun97.3%22318
Michael Yoo Lim Jung97.1%37518
Jay C Chang97.0%19824
Adam Joseph Mott97.0%337
Marlon T Fletcher96.5%1140
Sophia Wei-Chun Kao96.2%10414
Nicholas J Tobergte96.1%48913
Thanh Y Tran95.5%61922
Mikka H Liu94.8%21231
Christina A Sylvia94.5%21717
Anthony Ho93.9%72710
Bilkis Jahan93.5%46121
Hoa B Trinh93.4%1820
Ratisha Mehta93.0%17232
Angel Roman92.9%2830
Patricia T Nguyen92.6%2560
Khanh V Nguyen92.2%3830
Kevin V Quinto91.1%3920
Henry Choe90.9%3850
Kien C Ly90.7%1510
Hieu P Nguyen90.3%3310
David C Mis89.8%2250
Steven J Mottola89.7%3190
Dean O Takaoka89.3%3630
Barbara Summons89.2%3140
Khiem D Nguyen89.1%2650
Grant S Withers88.9%180
Arnold M Kinkead88.3%2990
Ali Naraghi87.7%10623
Joseph Chang86.3%3150
Kimberly E Glenn86.3%3070
Thaddeus J Kolb85.7%3527
Alan Wong85.6%1670
Mohammad M Hoque85.6%74822
Benny T Lee85.3%3480
Seungsook Ham85.0%600
William H Anderson84.9%22538
Brad Allan Knudson84.6%11725
Samuel Jonathan Smith84.3%5120
Antonio B Crite84.2%43828
Samuel L Lair84.1%630
Bradley Smith82.4%57825
Timothy Edward Duren82.3%6211
Da Wei Lee82.0%5020
Hamna Fathima Iqbal81.8%2231
Tenley Hope Schofield81.7%820
Victor V Barzykin81.5%2970
Kretelia Graham80.0%3522
Ryan Johnson79.8%3560
Krista M Flanagan78.6%140
Stephen E Jones78.4%2450
James E Goodley77.9%1950
Jeffrey M Shin77.1%2010
Gerald D Stevens77.1%2180
David J Goodwin76.6%57643
Phat X Cao76.1%5100
Nga Doan75.9%790
Kimberly Newman Frey75.8%3331
Jaesun Lee74.4%430
Levi Gannon71.8%3830
Hardadi Sumadiwirya71.4%70
Diana C Vieira68.8%1250
Eva Y Montalvo66.7%180
Adin Hrnjic66.1%5924
Richard Tan64.7%1730
Nkechinyere Otuomasirich Esiaba60.0%200
Rakesh Bhaskarbhai Patel50.0%80
Andre C Stevenson50.0%40
Eric R Hamill50.0%20
Robert J Pascal25.0%80
Charles Matthew Brecht—033
Moataz Khalifa—023
Benjamin Hoang Tran—07
Eliseo Ramos Feliciano—02
Mehek Ahmed—02
Aidan Dennehy Bankler—01

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2817?

81.7% over the last five years, across 5,994 resolved applications.

Which examiners in Art Unit 2817 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Kyoung Lee (98.2%, 282 resolved), John P Dulka (97.9%, 240 resolved), David Nhu (97.5%, 161 resolved).

Which examiners in Art Unit 2817 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Richard Tan (64.7%, 173 resolved), Adin Hrnjic (66.1%, 59 resolved), Diana C Vieira (68.8%, 125 resolved).

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