Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 3681: Examiners and Allowance Rates

63 examiners • 12 with pending office actions • Transportation, E-Commerce & Mechanical Systems (Tech Center 3600)

Art unit baseline (last 5 years, 3,505 dispositions): 26% allowance rate • 5.7 office actions per allowance • 1,202 days median pendency
ExaminerAllowance rateResolved casesPending apps
Ha Dinh Ho100.0%140
Edwin Young100.0%120
Dirk Wright95.8%240
Roger L Pang95.0%200
Daniel Lastra94.7%950
Tisha D Lewis93.8%160
Rodney H Bonck93.1%290
Derek Douglas Knight90.9%110
Sherry Lynn Estremsky90.0%100
David D Le89.7%290
Richard M Lorence87.5%160
Donald Champagne85.7%280
Michael J Cross80.8%260
Michael I Ezewoko77.6%490
Joseph D Burgess76.1%710
Matthew L Hamilton72.7%660
Raquel Alvarez71.4%210
Michael Tomaszewski70.5%9527
Jay M Patel68.9%6117
James M Detweiler54.3%920
Jamie R Kucab53.3%450
Eliza Anne Lam53.2%791
Thuy N Nguyen51.1%2800
Sun M Li50.5%4590
Scott Snider50.0%60
John Ligerakis50.0%20
Marc Quemuel Jimenez50.0%20
Chinyere Mpamugo48.6%370
Michael W Schmucker46.7%1820
Sheetal R. Paulson46.2%780
Stella Eun Higgs45.2%6225
Breffni Baggot44.6%1770
Alfred H Tsui42.9%560
Monica A Mandel41.9%310
Chad A Newton41.5%8239
Jamisue A Plucinski40.0%50
John Philip Go38.7%7527
Alexis Kim Van Duzer37.5%80
Rachael Sojin Stone34.8%2323
Sam M Refai32.6%3470
Gregory D Moseley32.3%310
William A Brandenburg27.1%2840
Aaisha Abdullah26.9%2611
Peter H Choi26.9%2635
Christopher Conrad Busch24.8%2340
Alexandru Cirnu24.7%1620
Mario Cincinat Iosif24.5%1960
Arthur D Duran20.0%150
Bion A Shelden19.9%2310
Rashida R Shorter18.6%2260
Daniel M Sorkowitz17.0%2290
Marie P. Brady16.4%1710
William Thomas Monticello14.6%410
Khanh H Le13.3%150
Kyle G Robinson12.3%1550
Kimberly Elaine Vander Woude10.0%3016
Sara Jessica Morice De Vargas9.7%3113
Afaf Osman Bilal Ahmed8.7%460
Olivia Rose Gedra8.7%2317
Rodney M Henry8.2%1820
Hajime S Rojas2.8%360
Brendon Beheshti0.0%650
Arthur E Geldres0.0%300

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 3681?

26.4% over the last five years, across 3,505 resolved applications.

Which examiners in Art Unit 3681 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Daniel Lastra (94.7%, 95 resolved), Michael I Ezewoko (77.6%, 49 resolved), Joseph D Burgess (76.1%, 71 resolved).

Which examiners in Art Unit 3681 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Brendon Beheshti (0.0%, 65 resolved), Arthur E Geldres (0.0%, 30 resolved), Hajime S Rojas (2.8%, 36 resolved).

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