Prosecution Insights
Last updated: October 14, 2026

USPTO Art Unit 2859: Examiners and Allowance Rates

64 examiners • 31 with pending office actions • Semiconductors, Circuits & Optics (Tech Center 2800)

Art unit baseline (last 5 years, 8,993 dispositions): 60% allowance rate • 3.4 office actions per allowance • 1,065 days median pendency
ExaminerAllowance rateResolved casesPending apps
Atm Mahmudur Rahman100.0%40
Brij B Shrivastav100.0%20
Joel Barnett100.0%10
Mohammed Alam100.0%10
Thomas R Artman100.0%10
Robert J Mccarry Jr.100.0%10
Rodney Allen Butler100.0%10
Tuan C. Dao100.0%10
Kaylene Alyce Isbel100.0%10
Gabriel T Agared100.0%10
Long T Nguyen100.0%10
Taelor Kim95.5%673
Julian D Huffman93.3%8919
M Baye Diao88.1%1,18525
Edward H Tso87.0%1,06726
Arun C Williams85.9%1,10932
Aaron C Piggush80.8%6370
Yalkew Fantu80.5%90135
Alexis Boateng Pacheco80.2%85845
Richard V Muralidar78.3%63114
Ahmed H Omar77.5%96536
Robert J Grant77.1%79221
Zixuan Zhou76.5%62927
Samuel Berhanu75.7%86831
Jared Fureman75.5%5318
Timothy J Dole75.0%40
Nathaniel R Pelton74.8%74338
Ramy O Ramadan71.6%1020
Javier Andres Bernal Sosa71.4%70
David V Henze69.8%73248
Jerry D Robbins69.6%6580
John T Trischler68.3%50434
Sadia Kousar66.2%13025
Sailesh Thapa65.6%1830
Mohammed J Sharief63.1%2710
Pamela J Jeppson62.2%11937
Nathaniel Joseph Instone59.5%3724
Tynese V Mcdaniel59.1%37943
Tessema Kebede57.7%1820
Dung V Bui56.2%3470
Johali Alejandra Torres Ruiz55.2%49523
Ryu-Sung Peter Weinmann53.3%3016
John Paul Ondrasik52.6%5728
Manuel J Hernandez51.0%60038
Tikisha Monique Slan50.0%20
Tarikh Kanem Rankine49.4%2570
Steve T Chung49.2%1220
Michael N Dibenedetto48.7%2360
Lisa Michelle Kotowski46.4%2830
Harry O'Neill-Becerril43.3%970
Christopher B Nettles42.9%70
Richard Isla41.7%480
Aiman Amir Bickiya41.2%5123
Moustafa H Khalil40.0%50
Daniel Patrick Mcfarland35.0%2027
Mary Grace Bartlett33.3%30
Frank Alexis Silva29.5%4433
Drew A Dunn14.3%8423
Amir H Etesam0.0%120
Eric D Cole0.0%20
Gardy J Lacombe0.0%10
Stacy N Lawson0.0%10
Tawhid Mahbub Pranto—08
Samuel Sunwook Park—06

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2859?

60.1% over the last five years, across 8,993 resolved applications.

Which examiners in Art Unit 2859 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Taelor Kim (95.5%, 67 resolved), Julian D Huffman (93.3%, 89 resolved), M Baye Diao (88.1%, 1,185 resolved).

Which examiners in Art Unit 2859 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Drew A Dunn (14.3%, 84 resolved), Frank Alexis Silva (29.5%, 44 resolved), Aiman Amir Bickiya (41.2%, 51 resolved).

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