Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2859: Examiners and Allowance Rates

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

Art unit baseline (last 5 years, 9,015 dispositions): 60% allowance rate • 3.4 office actions per allowance • 1,068 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 Kim95.6%683
Julian D Huffman92.2%9015
M Baye Diao88.0%1,18720
Edward H Tso87.0%1,06823
Arun C Williams85.9%1,11031
Aaron C Piggush80.8%6370
Yalkew Fantu80.5%90333
Alexis Boateng Pacheco80.1%86142
Richard V Muralidar78.3%63113
Ahmed H Omar77.5%96633
Robert J Grant77.2%79416
Zixuan Zhou76.5%63127
Samuel Berhanu75.7%86929
Timothy J Dole75.0%40
Nathaniel R Pelton74.8%74732
Jared Fureman74.5%5517
Ramy O Ramadan71.6%1020
Javier Andres Bernal Sosa71.4%70
David V Henze69.7%73339
Jerry D Robbins69.6%6580
John T Trischler68.2%50634
Sadia Kousar65.9%13228
Sailesh Thapa65.6%1830
Mohammed J Sharief63.1%2710
Pamela J Jeppson62.5%12034
Tynese V Mcdaniel59.1%37941
Nathaniel Joseph Instone57.9%3823
Tessema Kebede57.7%1820
Dung V Bui56.2%3470
Johali Alejandra Torres Ruiz55.2%49620
Ryu-Sung Peter Weinmann53.3%3017
John Paul Ondrasik52.6%5729
Manuel J Hernandez50.8%60236
Tikisha Monique Slan50.0%20
Tarikh Kanem Rankine49.4%2570
Steve T Chung49.2%1220
Michael N Dibenedetto48.7%2360
Lisa Michelle Kotowski46.7%3029
Harry O'Neill-Becerril43.3%970
Christopher B Nettles42.9%70
Richard Isla41.7%480
Aiman Amir Bickiya41.2%5120
Moustafa H Khalil40.0%50
Daniel Patrick Mcfarland38.1%2126
Mary Grace Bartlett33.3%30
Frank Alexis Silva28.9%4531
Drew A Dunn14.3%8419
Amir H Etesam0.0%120
Eric D Cole0.0%20
Sangkyung Lee0.0%10
Gardy J Lacombe0.0%10
Stacy N Lawson0.0%10
Tawhid Mahbub Pranto—09
Samuel Sunwook Park—06

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2859?

60.2% over the last five years, across 9,015 resolved applications.

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

Among examiners with at least 30 resolved applications: Taelor Kim (95.6%, 68 resolved), Julian D Huffman (92.2%, 90 resolved), M Baye Diao (88.0%, 1,187 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 (28.9%, 45 resolved), Aiman Amir Bickiya (41.2%, 51 resolved).

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