Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2853: Examiners and Allowance Rates

82 examiners • 40 with pending office actions • Semiconductors, Circuits & Optics (Tech Center 2800)

Art unit baseline (last 5 years, 14,024 dispositions): 73% allowance rate • 2.6 office actions per allowance • 783 days median pendency
ExaminerAllowance rateResolved casesPending apps
Kyra Melor Van Kreuningen100.0%915
Rodney Evan Fuller100.0%10
Charlotte M Baker100.0%10
Forrest G Hall100.0%10
Haris Sabah100.0%10
David M Gray100.0%10
Sharah Zaab100.0%10
Peter Michael Novak100.0%10
Shan Liu100.0%10
Nicole Marie Ippolito100.0%10
William M Mccalister100.0%10
Atif H Chaudry100.0%10
Douglas X Rodriguez95.8%480
Lamson D Nguyen95.8%4310
Roger W Pisha II95.4%2610
Lisa Solomon95.1%68910
Kristal J Feggins93.5%69112
Anh T N Vo93.5%96314
Geoffrey S Mruk92.4%1,17912
Huan Huu Tran92.3%4530
Thinh H Nguyen92.2%5150
Alexander D Shenderov91.8%84617
Samuel Frederick Boelitz91.7%127
Sharon A Polk91.6%87710
Juanita Dionne Jackson91.2%7770
Yaovi M Ameh91.1%94919
Natasha Dephenia Quinn90.9%3312
Henok D Legesse90.7%81412
An H Do90.5%1,46621
Nguyen Q Ha90.4%40712
Shlomit Esther Chelst90.0%1017
Hai Chi Pham89.9%2380
Jannelle M Lebron89.1%78120
Thomas Ray Knief89.1%5511
Erica S Y Lin88.2%98217
Tracey M Mcmillion88.0%65121
Jason S Uhlenhake87.4%1,20524
Justin Seo87.2%4398
Scott A. Richmond87.0%6718
Patrick J King86.4%2430
David H Banh86.2%40613
Manish S Shah86.0%1,39935
Renee I Wilson85.5%2270
John P Zimmermann85.3%62613
Bradley W Thies85.2%5283
Laura Martin Sweeney84.7%590
Michael Thomas Konczal84.6%2920
Jeremy A Delozier84.5%1160
Shelby Lee Fidler83.6%83426
Kendrick X Liu83.1%67318
Anthony H Nguyen83.0%1760
Rut N Patel82.6%1150
Rami Abdelnaser Alshoroogi81.8%117
Rene Garcia Jr.81.7%820
Jennifer E. S. Bahls80.6%2478
Leslie J. Thompson80.5%32915
Alexander C Witkowski80.3%4310
Lam S Nguyen78.9%1,42944
Carlos A Martinez78.6%1730
Marissa Liana Ferguson Samreth78.1%36012
Sarah Al Hashimi77.4%4240
Laura E Martin74.5%3800
Julian D Huffman74.4%4570
Ly T Tran72.2%180
Leonard S Liang72.1%3120
Jeremy S Bishop72.0%1640
Jill E Culler70.7%32832
Matthew G Marini69.6%47341
Leo T Hinze69.5%30817
Justin N Olamit68.8%40131
Lily K Kemathe65.8%1870
Quang X.L. Nguyen60.8%29117
Jeffrey Chad Morgan56.9%650
Joshua D Zimmerman56.5%31525
Ruben C Parco Jr.48.2%19726
Alessandro V Amari44.4%270
Kar W Yip42.4%330
Alejandro Valencia42.1%1,161128
Matthew Luu0.0%250
Stephen D Meier0.0%220
Grace Huang0.0%10
Mark J Stevenosky0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2853?

72.7% over the last five years, across 14,024 resolved applications.

Which examiners in Art Unit 2853 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Douglas X Rodriguez (95.8%, 48 resolved), Lamson D Nguyen (95.8%, 431 resolved), Roger W Pisha II (95.4%, 261 resolved).

Which examiners in Art Unit 2853 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Alejandro Valencia (42.1%, 1,161 resolved), Kar W Yip (42.4%, 33 resolved), Ruben C Parco Jr. (48.2%, 197 resolved).

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