Prosecution Insights
Last updated: October 08, 2026

USPTO Art Unit 2858: Examiners and Allowance Rates

107 examiners • 49 with pending office actions • Semiconductors, Circuits & Optics (Tech Center 2800)

Art unit baseline (last 5 years, 11,594 dispositions): 84% allowance rate • 2.8 office actions per allowance • 795 days median pendency
ExaminerAllowance rateResolved casesPending apps
Stephen G Armstrong100.0%30
Gregory H Curran100.0%10
Jennifer Hawkins Gay100.0%10
Hailey R Le100.0%10
Richard J Hong100.0%10
Eugene Yun100.0%10
Boniface N Nganga100.0%10
Antony M Paul100.0%10
Trung Q Nguyen96.0%35026
Dominic E Hawkins94.3%26213
Vincent Q Nguyen94.0%3500
Alvaro E Fortich94.0%21618
Giovanni Astacio-Oquendo93.8%22411
Raul J Rios Russo93.5%27919
David B Frederiksen92.7%19218
Neel D Shah92.6%24213
Robert P Alejnikov Jr.91.5%710
Brij B Shrivastav91.2%1020
Thang Xuan Le90.8%32621
Tung X Nguyen90.4%35512
Zannatul Ferdous89.4%25425
Vinh P Nguyen88.3%54818
Farhana Akhter Hoque88.2%30611
Temilade S Rhodes-Vivour88.2%33914
Sean M Curtis88.2%4570
Dixomara Vargas Montalvo88.0%1170
Brent J Andrews87.9%998
Jermele M Hollington87.8%77115
Bot L Ledynh87.7%4960
Akm Zakaria87.6%34841
Reena Aurora87.4%1,15527
Courtney G Mcdonnough87.4%19121
Taqi R Nasir87.4%53020
Hoai An D Nguyen87.2%34321
Richard Isla87.1%24023
Tiffany A Fetzner86.5%1260
Demetrius R Pretlow86.5%70927
Rahul Maini86.1%1228
Louis M Arana85.9%1770
Christopher P Mcandrew85.9%99019
Edward H Tso85.7%1540
Haidong Zhang85.0%42711
Douglas X Rodriguez84.9%3440
Jay M Patidar84.7%8610
Lee E Rodak84.5%712
Amy He84.3%2177
Feba Pothen84.3%26122
Alesa M Allgood84.0%27515
M Baye Diao83.8%2160
Suresh Ks Rajaputra83.7%48617
Son T Le82.9%1115
Adam S Clarke82.6%2019
Carl F.R. Tchatchouang82.0%16124
Arleen M Vazquez81.7%1690
Yalkew Fantu81.6%1520
Emily Y Chan81.6%1410
Eman A Alkafawi81.2%160
Paresh H Patel81.0%35826
Dilara Sultana80.9%13639
Roberto Velez78.8%15625
Jeremiah John Barron78.8%3318
Joshua Benitez Rosario78.4%1620
Minh Nhut Tang77.8%1350
Jeff William Natalini77.7%1570
Nasima Monsur77.6%24539
Kenneth Whittington77.3%1630
Steven Lee Yeninas76.7%20623
Byung Ro Lee74.6%11830
Ramy O Ramadan73.0%1630
Hoang X Nguyen72.6%620
Lamarr A Brown71.8%1560
Aaron C Piggush71.0%930
Khristopher J Yodichkas70.9%790
Daniel R Miller70.8%11325
Timothy J Dole69.7%890
Joseph A Nyamogo69.2%10724
Arun C Williams68.7%2330
Samuel Berhanu68.6%1750
Benjamin M Baldridge68.5%1240
Thomas F Valone67.6%2870
Steve T Chung65.0%200
James Gerald Split64.8%9117
Martin Walter Braunlich64.6%13024
Alexis Boateng Pacheco64.2%1200
Hugo Ivan Navarro62.5%1628
Rishi R Patel61.5%130
Ahmed H Omar60.0%1300
Sangkyung Lee59.5%15333
Kathryn Ran Chang55.6%90
Richard V Muralidar55.3%940
Alexander J Nemtzow52.8%360
Huy Q Phan52.6%194
Johali Alejandra Torres Ruiz50.0%780
John X Zhu50.0%100
Nathaniel R Pelton50.0%100
Renata D Mccloud42.9%70
David M Schindler39.7%58243
Manuel J Hernandez38.8%850
Judy Nguyen38.5%130
Dustin R Dickinson37.5%80
Vincent P Spinella Mamo30.0%100
Robert J Grant25.0%120
Melissa J Koval7.1%140
Patrick J Assouad3.9%510
Ha Tran Nguyen0.0%20
Julio C Diaz Perez0.0%20
Osamah Murshed—015

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2858?

83.6% over the last five years, across 11,594 resolved applications.

Which examiners in Art Unit 2858 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Trung Q Nguyen (96.0%, 350 resolved), Dominic E Hawkins (94.3%, 262 resolved), Vincent Q Nguyen (94.0%, 350 resolved).

Which examiners in Art Unit 2858 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Patrick J Assouad (3.9%, 51 resolved), Manuel J Hernandez (38.8%, 85 resolved), David M Schindler (39.7%, 582 resolved).

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