Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2872: Examiners and Allowance Rates

139 examiners • 61 with pending office actions • Semiconductors, Circuits & Optics (Tech Center 2800)

Art unit baseline (last 5 years, 21,630 dispositions): 65% allowance rate • 2.8 office actions per allowance • 967 days median pendency
ExaminerAllowance rateResolved casesPending apps
Muhammad Alawi Fadag100.0%40
William Brent Hernandez100.0%40
David Y Chung100.0%20
Jhein Lakilak Siclon100.0%20
Antonio A Caschera100.0%10
Jamil Ahmed100.0%10
Nicholas G Giles100.0%10
Nathanael R Briggs100.0%10
Kevin K Pyo100.0%10
Michael Vincent Farina100.0%10
Monica Teresa Taba100.0%10
Abdelaaziz Tissire100.0%10
Hanway Chang100.0%10
Tony Ko100.0%10
Kenechukwu C Obi100.0%10
Hai Y Zhang100.0%10
Robert Tongxay Hackett100.0%10
Matthew David Kim100.0%10
Paul Chang Lee100.0%10
Joshua L Schwartz100.0%10
Richard J Hong100.0%10
Paisley L Wilson100.0%10
Vinh Tang Lam100.0%10
Scott D Au100.0%10
Justin W Rider100.0%10
John P Leubecker100.0%10
Henok Asres Shiferaw100.0%10
Xuemei Zheng100.0%10
Abid A Mustansir100.0%10
Benjamin A Schiffman100.0%10
Jonathan C Weber100.0%10
Christopher E Mahoney100.0%10
Bijan Ahvazi100.0%10
Melissa J Koval100.0%10
Mariam Qureshi100.0%10
David M Upchurch100.0%10
Norman Drew Richards100.0%10
Seth David Moser97.8%451
William C Choi92.4%89110
Mohammed A Hasan91.4%1,38917
Loha Ben91.3%3090
Scott J Sugarman90.6%1810
Darryl J Collins90.2%1,15426
Evelyn A Lester90.0%3900
David N Spector89.9%1880
Suchin Parihar89.5%190
James Phan89.0%3000
James Jones88.8%1,02926
Joseph P Martinez88.6%67618
Frank G Font88.4%7080
James R Greece88.4%6470
William R Alexander88.2%91614
Euncha P Cherry88.1%1,07421
Tuyen Q Tra86.3%82717
Jordan Marc Schwartz86.1%6640
Jack Dinh86.0%52016
Fayez G Assaf85.7%70
Mustak Choudhury84.8%82517
Leonidas Boutsikaris84.7%12423
Brandi N Thomas83.2%92021
Grant A Gagnon82.9%47938
Mahidere S Sahle82.4%94935
Collin X Beatty82.1%61323
Wen Huang82.0%57722
Robert E Tallman81.8%7858
Matthew Y Lee81.5%27619
Sharrief I Broome81.5%81119
Tamara Y Washington81.4%59826
Ruby Lucia Kauffman81.4%437
Dawayne Pinkney80.8%1,34653
Anna Elizabeth Smith80.3%660
Hung Xuan Dang80.2%5210
Arnel C Lavarias79.8%85315
Mackenzi Tate Bourquine79.5%8822
Henry Abraham Duong79.0%47119
Ray Alexander Dean78.9%13330
Pinping Sun78.6%426
Huy Kim Mai78.3%3370
Bumsuk Won78.1%322
John Curtis Sipes78.0%9145
Kuei-Jen L Edenfield77.6%17035
Kimberly N Kakalec76.4%4950
Alessandro V Amari76.3%3380
Travis S Fissel76.2%56821
Alicia M Harrington76.2%6260
Ryan S Dunning76.0%45016
Adam W Booher75.5%52631
Gary William O'Neill75.5%3260
Alaina Marie Swanson75.4%5715
Mitchell T Oestreich75.2%4238
Ephrem Zeru Mebrahtu74.9%51322
Balram T Parbadia74.7%55424
Vipin Patel73.9%5280
Rahman Abdur73.8%47721
Jie Lei73.0%93829
Kristina M Deherrera72.6%3830
Jennifer Doak Carruth72.0%7260
Alex Park Rickel71.9%5729
Derek S Chapel70.3%1,00217
Ricky D Shafer69.4%7740
Journey F Sumlar69.4%62018
Elizabeth Mary Campbel Hall69.0%4234
Andrew Russell Wright68.8%3224
Zachary W Wilkes68.2%78942
Thong Q Nguyen67.8%1,22433
Jeffrey E Madonna67.6%2070
Jennifer Ann Jones66.7%7524
Cara E Rakowski65.2%57530
Justin Wayne Hustoft65.0%10321
Key Muhammad64.7%10221
Marin Pichler63.4%69637
Gabriel A Sanz63.3%15020
William M Johnson63.2%190
Alberto J Betancourt63.0%2110
Christopher J Stanford62.8%36034
Jyotsna V Dabbi62.5%57818
Samanvitha Sridhar61.9%9722
Daniele Manikeu61.3%1630
Joshua L Pritchett60.4%3330
George G King57.9%60638
Nicholas R Pasko57.7%3100
Jade R Chwasz56.5%9140
Daniel Jeffery Jordan56.5%6216
Wesley Scott Ashton55.2%670
Lee A Fineman55.0%2180
Mark J Consilvio54.6%2380
Natasha Nigam54.3%4634
Christopher P Rivard50.0%20
Audrey Y Chang46.6%1,28261
Ibrahima Diedhiou46.2%1560
James R Mcgee45.4%1960
Thomas K Pham33.0%880
Ricky Levern Mack32.7%520
Wyatt A Stoffa14.3%70
Stephone B Allen14.1%850
Wai-Ga David Ho10.0%1016
Fabio S Lima0.0%10
Jacob F Betit0.0%10
Adam D Rogers0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2872?

64.9% over the last five years, across 21,630 resolved applications.

Which examiners in Art Unit 2872 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Seth David Moser (97.8%, 45 resolved), William C Choi (92.4%, 891 resolved), Mohammed A Hasan (91.4%, 1,389 resolved).

Which examiners in Art Unit 2872 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Stephone B Allen (14.1%, 85 resolved), Ricky Levern Mack (32.7%, 52 resolved), Thomas K Pham (33.0%, 88 resolved).

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