Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 3746: Examiners and Allowance Rates

91 examiners • 27 with pending office actions • Medical Devices & Mechanical Engineering (Tech Center 3700)

Art unit baseline (last 5 years, 14,303 dispositions): 68% allowance rate • 2.6 office actions per allowance • 671 days median pendency
ExaminerAllowance rateResolved casesPending apps
Ngoc T Nguyen100.0%180
Tae Jun Kim100.0%160
Gerald Luther Sung100.0%20
Docket Central100.0%20
Nathaniel Edward Wiehe100.0%10
Haotian Lu100.0%10
David P. Carroll100.0%10
Amandeep Singh Saini100.0%10
Stacey A Fluhart100.0%10
Richard Kyle Durden100.0%10
William Soon Choi100.0%10
Phutthiwat Wongwian100.0%10
Thomas F Manley III100.0%10
Katheryn A Malatek100.0%10
Derek John Rosenau100.0%10
Emmanuel Sayoc100.0%10
Craig M Schneider100.0%10
Ching Chang97.5%1580
Patrick David Maines95.0%200
William H Rodriguez94.1%170
Binh Q Tran93.8%56813
Zelalem Eshete91.4%2450
Thai Ba Trieu90.3%2900
Dapinder Singh89.5%46815
Jesse Samuel Bogue88.7%55811
Brandon Dongpa Lee88.6%2640
Hoang M Nguyen87.7%7159
Audrey Bradley Walter87.3%3850
Anthony Ayala Delgado87.0%37820
Theresa Trieu86.5%4730
Matthew Thomas Largi85.8%42923
Vikansha S Dwivedi85.7%70
Kelsey L Stanek85.7%3070
Jonathan R Matthias85.6%36914
Loren C Edwards85.3%54421
Shafiq A Mian85.3%49610
Mary Alice Davis84.7%39919
Jason D Shanske84.4%1220
Mickey H France83.8%2340
Deming Wan82.2%4260
Kenneth J Hansen81.2%6438
Louis J Casaregola80.0%50
Paul William Thiede79.9%2540
Laert Dounis78.8%43314
Jorge Luis Leon Jr.78.3%1570
Peter John Bertheaud78.3%1,05813
Charles Grant Freay77.0%1,26921
Patrick Hamo76.2%8070
Wesley G Harris76.0%2710
Dominick L Plakkoottam74.4%69224
Timothy P Solak73.4%3760
Jessica L Kebea71.8%390
Xiaoting Hu70.2%2250
Nathan C Zollinger69.5%88020
Edward M Bushard68.5%1270
David Nelson Brandt68.5%3140
Benjamin C Doyle68.3%30013
Lilya Pekarskaya67.7%34114
Ryan Jon Gatzemeyer67.5%830
Thomas Andrew Fink67.4%39330
Diem T Tran66.7%180
Yonas S Cherkos66.7%30
Stephen A Mick65.3%1670
Bryan Matthew Lettman65.2%97616
Joseph S Herrmann63.5%50914
Essama Omgba63.2%10615
Christopher S Bobish62.6%99221
Chirag Jariwala62.1%42530
Connor J. Tremarche61.4%4840
Christopher J Maxey60.8%510
Geoffrey S Lee60.6%35030
Alexander Bryant Comley57.7%96625
Thomas R Cash56.8%740
Philip Earl Stimpert56.5%6990
Christopher J Brunjes55.7%2620
Jon D Hoffmann55.3%760
Andrew H Nguyen50.0%40
Leonard J Weinstein49.7%1970
Charles W Nichols49.1%2850
Dnyanesh G Kasture48.0%64120
Amene Setegne Bayou44.2%3370
Todd D Jacobs43.3%1570
Mark A Laurenzi28.0%250
Devon C Kramer7.6%1310
Jessica L Myers0.0%40
Khurram Sajjad0.0%30
Francis Y Garcia0.0%20
Jacob F Betit0.0%20
Kevin A Silas0.0%20
Mary M Bauer0.0%10
Evan L Cox0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 3746?

68.0% over the last five years, across 14,303 resolved applications.

Which examiners in Art Unit 3746 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Ching Chang (97.5%, 158 resolved), Binh Q Tran (93.8%, 568 resolved), Zelalem Eshete (91.4%, 245 resolved).

Which examiners in Art Unit 3746 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Devon C Kramer (7.6%, 131 resolved), Todd D Jacobs (43.3%, 157 resolved), Amene Setegne Bayou (44.2%, 337 resolved).

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