Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2812: Examiners and Allowance Rates

94 examiners • 45 with pending office actions • Semiconductors, Circuits & Optics (Tech Center 2800)

Art unit baseline (last 5 years, 8,667 dispositions): 82% allowance rate • 2.9 office actions per allowance • 1,114 days median pendency
ExaminerAllowance rateResolved casesPending apps
Noah Christopher Robertson100.0%320
Tung S Lau100.0%20
Rafael Perez Gutierrez100.0%10
Frank S Hou100.0%10
Paul D Kim100.0%10
Gerald Mcclain100.0%10
Megan Courtney Parrish100.0%10
Danielle A Fox100.0%10
Ryan C Vaughn100.0%10
Michael Yoo Lim Jung100.0%10
Raul J Rios Russo100.0%10
Caleen O Sullivan100.0%10
Douglas King100.0%10
Kyoung Lee100.0%10
Md Abul K Azad100.0%10
Rudy Zervigon100.0%10
Xi Wang100.0%10
Scott Dodds100.0%10
Kenneth B Wells100.0%10
David Gus Gonzalez Alcantar100.0%10
Elie Riachi100.0%10
Michelle Mandala100.0%10
Wasiul Haider99.2%12514
Gustavo G Ramallo99.0%19721
Changhyun Yi98.2%33625
Tan N Tran98.2%32829
Patricia D Valenzuela97.9%24070
Herve-Louis Y Assouman97.6%20925
Fazli Erdem97.5%32621
Christine Sung Kim96.9%640
Didarul A Mazumder95.9%19632
Thanhha S Pham95.9%14612
William C Trapanese95.9%17012
William B Partridge95.6%680
Andrew Victor Prostor95.2%4215
Erik Arthur Anderson95.0%6018
Robert K Carpenter94.9%590
Nathalie Renee Fayette94.5%5523
Scott B Geyer94.2%72612
Alexandre Xavier Ramirez93.5%469
Mehek Ahmed92.9%140
Benjamin P Sandvik92.7%27522
Ismail A Muse92.5%16027
David Paul Sedorook92.1%13925
Heim Kirin Grewal91.7%4818
S M Sohel Imtiaz90.8%56431
Emily Nicole Farmer90.2%5116
Cheung Lee89.9%38712
Tien Tran89.7%2920
Walter Lee Lindsay Jr.89.6%1830
Chevy Jacob Boegel89.3%5628
Cole Leon Lindsey89.2%13917
Reema Patel88.8%1,14220
Xiaoming Liu86.7%61527
Seahvosh J Nikmanesh86.2%6610
Richard A Booth86.0%1,08118
Andre C Stevenson85.9%2700
Sarah L Ell85.7%70
Alexander G Ghyka84.0%1,32422
Steven Mitchell Chr Page83.7%46620
Andrew Q Tran83.3%1440
Ilker Nmn Ozden83.3%4219
Hui Jey Tsai83.3%60
Mohsen Ahmadi82.2%2080
Calvin Y Choi81.6%85512
Stanetta D Isaac80.7%3790
Bitew A Dinke80.6%18649
Abdulfattah B Mustapha80.4%4540
Felix Bryan Andrews79.1%6717
Syed I Gheyas78.1%4560
Linda Joan Fleck78.0%597
Angel Roman77.3%3080
Tyler J Wiegand74.8%10735
Evren Seven74.7%75525
Alia Sabur74.6%60629
Dmitri Mihaliov74.2%3122
Yasser A Abdelaziez73.9%1190
John Patrick Cornely73.0%740
Brigitte A Paterson72.4%2930
Sesha Sairaman Srinivasan68.6%510
Savitri Mulpuri68.0%2470
Charles D Garber66.7%270
Ron Everett Pompey63.4%2130
Kenisha V Ford62.5%80
Davienne N Monbleau54.5%113
Leonard Chang54.5%2570
Pape A Sene53.7%1080
Bryan R. Junge42.4%920
Regan J Rundio0.0%30
Abutaher M Nasiruddin0.0%10
Nolan Gabriel Stuessy—015
Mashal Ahmed—07
Michael Mohabir Vanyo—06
Prabin Baral—02

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2812?

82.1% over the last five years, across 8,667 resolved applications.

Which examiners in Art Unit 2812 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Wasiul Haider (99.2%, 125 resolved), Gustavo G Ramallo (99.0%, 197 resolved), Changhyun Yi (98.2%, 336 resolved).

Which examiners in Art Unit 2812 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Bryan R. Junge (42.4%, 92 resolved), Pape A Sene (53.7%, 108 resolved), Leonard Chang (54.5%, 257 resolved).

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