Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2681: Examiners and Allowance Rates

63 examiners • 14 with pending office actions • Communications (Tech Center 2600)

Art unit baseline (last 5 years, 2,488 dispositions): 86% allowance rate • 2.3 office actions per allowance • 967 days median pendency
ExaminerAllowance rateResolved casesPending apps
Negussie Worku100.0%1630
Allen H Nguyen100.0%180
Gabrielle Nicole Dai100.0%115
Vishak Ganesh100.0%90
Fekadeselass Girma100.0%20
Abderrahim Merouan100.0%20
Anh T N Vo100.0%10
Huo Long Chen100.0%10
Thomas A Morrison100.0%10
Brian P Wilson100.0%10
Benny Quoc Tieu100.0%10
Gabriel I Garcia100.0%10
Henok D Legesse100.0%10
Jennifer Mehmood100.0%10
Henok Asres Shiferaw98.4%610
Ibrahim Siddo97.9%1466
Christopher Wait95.8%240
Neil R Mclean94.7%9518
Iriana Cruz94.3%21216
Jacky X Zheng94.1%25615
Akwasi Sarpong93.8%643
Dov Popovici93.5%924
Frantz Bataille93.4%19814
Scott A Rogers93.3%890
Jamares Washington92.6%23113
Tommy D Lee92.5%670
Beniyam Menberu92.1%18914
Kent Yip90.7%10811
Darryl V Dottin89.9%690
Pawandeep Dhingra88.4%860
Travis R Hunnings87.5%80
Miya J Cato85.6%10422
Mark R Milia85.2%11516
Phung Nguyen83.7%2030
Barbara Diane Reinier82.4%340
Helen Zong81.8%550
Michael L Burleson81.3%7519
Hung T Nguyen81.1%1640
Quang N Vo81.1%950
Chad S Dickerson75.8%330
Benjamin O Dulaney73.3%300
Shirley Lu68.6%1180
Frederick R Ott66.7%840
Mancil H Littlejohn Jr.64.2%1060
Son M Tang61.1%950
Omer S Khan60.0%50
Israel O Daramola56.7%300
Mohamed Barakat53.0%1170
John J Bamert50.5%1010
Rufus C Point50.0%20
Benyam Haile47.2%1080
Emily C Terrell47.2%890
Kam Wan Ma45.8%590
Vernal U Brown40.0%100
Muhammad Adnan36.7%300
John F Mortell33.3%60
Ryan W Sherwin33.3%30
Pameshanand Mahase33.3%30
Yong Hang Jiang33.3%30
Mark S Rushing28.6%70
Daniel J Wu2.9%340
Nay L Tun0.0%20
Vincent M Rudolph0.0%20

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2681?

85.6% over the last five years, across 2,488 resolved applications.

Which examiners in Art Unit 2681 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Negussie Worku (100.0%, 163 resolved), Henok Asres Shiferaw (98.4%, 61 resolved), Ibrahim Siddo (97.9%, 146 resolved).

Which examiners in Art Unit 2681 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Daniel J Wu (2.9%, 34 resolved), Muhammad Adnan (36.7%, 30 resolved), Kam Wan Ma (45.8%, 59 resolved).

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