Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2838: Examiners and Allowance Rates

97 examiners • 43 with pending office actions • Semiconductors, Circuits & Optics (Tech Center 2800)

Art unit baseline (last 5 years, 9,621 dispositions): 76% allowance rate • 2.9 office actions per allowance • 838 days median pendency
ExaminerAllowance rateResolved casesPending apps
Seung Ho Choi100.0%2115
Nicolas Alden Chapa Mills100.0%128
Pinping Sun100.0%50
Naomi Lynn Carrier100.0%20
Michael J Warmflash100.0%10
Tuyen T Nguyen100.0%10
Levi Gannon100.0%10
Thomas K Pham100.0%10
Kevin Ramon Albright100.0%10
Nathaniel R Pelton100.0%10
Elias Ullah100.0%10
Gabriel Alexander Rurycz100.0%10
Michael Rutland Fin100.0%10
Alexander H Taningco100.0%10
Mandeep S Buttar100.0%10
Hua Lu100.0%10
Melissa J Koval100.0%10
Daniel Robert Schwarck100.0%10
Stephen Sangjin Sul100.0%10
Stephen W Jackson99.3%2677
Dharti Haridas Patel98.0%29920
Jennifer Christine Caulk97.4%3918
Lauren Ashley Shaw97.0%3313
Danny Nguyen97.0%36218
Christopher Jay Clark96.4%16616
Crystal L Hammond96.3%816
Nicolas G Bellido95.2%621
Matthew Van Nguyen93.0%8110
Jonathan Walter Soileau92.6%274
Scott Allen Bauer91.7%1449
Afework S Demisse91.1%4150
Sisay G Tiku90.7%44018
Kyle J Moody90.6%5767
Sreeya Sreevatsa90.2%17422
Edward H Tso89.2%830
Rajnikant B Patel88.8%7130
Shawn Riley88.8%2940
Yemane Mehari88.5%7147
Yahveh Comas Torres88.5%788
Adolf D Berhane88.4%1,06211
Lucy M Thomas88.3%14534
Rafael O De Leon Domenech88.0%5017
Ularislao Cordova Rodriguez88.0%2517
Peter Michael Novak88.0%38324
Nusrat Quddus87.9%60413
Younghuie Jessica Han87.6%3310
Alex Torres-Rivera86.7%79122
Gary A Nash86.7%3994
Kevin J Comber86.3%15326
Jeffrey A Gblende85.8%81720
Alan K Stewart85.7%70
Lakaisha Jackson85.3%5117
Emily P Pham85.0%5520
Jye-June Lee84.9%46427
Samantha Lynette Faubert84.7%5914
Gary L Laxton84.7%85218
M Baye Diao84.4%640
Nguyen Tran83.6%1,11028
Trinh Q Dang83.6%4320
Jue Zhang83.3%1,01818
Yusef A Ahmed82.8%3844
Jeffrey L Sterrett82.0%3560
Thienvu V Tran81.8%110
David Anthony Singh81.6%2280
Bryan Reynaldo Perez81.5%40617
Gustavo A Rosario Benitez81.5%76731
Ishrat F Jamali81.5%1350
Kevin H Sprenger81.3%2620
Lorena D Bruner80.7%1140
Bao Q Vu80.5%2310
Fred E Finch III80.2%92421
Htet Z Kyaw80.0%1550
Demetries A Gibson79.6%1570
Bart Iliya79.1%1530
Henry E Lee III78.7%3480
Muaamar Qahtan Al-Taweel78.0%8242
Harry Raymond Behm78.0%91228
Matthew Grubb74.5%2080
Sean Phillip Kayes73.9%230
Shahzeb K Ahmad72.7%23812
Yalkew Fantu70.6%510
Carlos O Rivera-Perez69.4%35325
Arun C Williams67.9%810
Jared Raymond Hausman66.7%31
Alexis Boateng Pacheco65.9%410
Aaron C Piggush64.7%170
Zekre A Tsehaye63.0%730
Sara M Mata61.3%1680
Ramy O Ramadan56.1%410
Johali Alejandra Torres Ruiz54.2%240
Ivan A Laboy Andino50.5%1940
Samuel Berhanu38.9%360
Richard V Muralidar33.3%30
Timothy J Dole31.8%220
Ahmed H Omar20.0%50
Monica Lewis17.1%354
Charles S Laughlin0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2838?

76.3% over the last five years, across 9,621 resolved applications.

Which examiners in Art Unit 2838 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Stephen W Jackson (99.3%, 267 resolved), Dharti Haridas Patel (98.0%, 299 resolved), Jennifer Christine Caulk (97.4%, 39 resolved).

Which examiners in Art Unit 2838 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Monica Lewis (17.1%, 35 resolved), Samuel Berhanu (38.9%, 36 resolved), Ivan A Laboy Andino (50.5%, 194 resolved).

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