Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 3761: Examiners and Allowance Rates

146 examiners • 66 with pending office actions • Medical Devices & Mechanical Engineering (Tech Center 3700)

Art unit baseline (last 5 years, 14,434 dispositions): 58% allowance rate • 3.4 office actions per allowance • 1,135 days median pendency
ExaminerAllowance rateResolved casesPending apps
John S Hunter100.0%1329
Rodolphe Andre Chabreyrie100.0%616
Randy W Gibson100.0%20
Aaron G Wright100.0%20
Kidest Worku100.0%10
Eric S Keasel100.0%10
Ko-Wei Lin100.0%10
Ellen Halverson Grzegorzewski100.0%10
John Patrick Cornely100.0%10
Sreeya Sreevatsa100.0%10
Alicia M Choi100.0%10
Charles E Cooley100.0%10
Joanne M Rodden100.0%10
Patrick David Maines100.0%10
Himchan Song100.0%10
David J Walczak100.0%10
Gargi Mansingh100.0%15
Daniel Previl100.0%10
Marissa Rae Boss100.0%114
Shruti Shree Sharma100.0%10
Woody A Lee Jr.94.1%18620
Samuel M Heinrich93.3%750
Thuyhang Ngoc Nguyen93.3%4510
Mark H Paschall91.2%3510
Geoffrey S Evans89.6%5470
James F Sims III86.6%3130
Shawntina T Fuqua84.9%5240
Quang T Van84.7%56122
Reginald Alexander84.5%9431
Brian W Jennison84.5%70144
Phuong T Nguyen84.3%50930
Hung D Nguyen83.4%60116
Topaz L Elliott83.3%7817
Jimmy Chou82.9%64532
Edward F Landrum82.4%5111
Jordan B Bailey81.8%110
Joseph Moore Pelham81.8%3840
Thor S Campbell81.8%60331
Michael A Laflame Jr.81.0%3690
Ket D Dang81.0%31126
Thien S Tran80.1%78338
Benjamin Jacob Klein77.8%3150
Brandon T Harvey77.8%270
Joseph W Iskra77.6%46441
Vy T Nguyen76.5%36220
Philip R Wiest75.1%5190
Joe E Mills Jr.75.1%37048
Gyounghyun Bae74.5%2200
Chris Q Liu74.2%37621
Daniel Ward Hatten74.2%317
Jacqueline F Stephens73.9%7940
John J Norton73.8%50026
Sang Yeop Paik72.7%65543
Keith Brian Assante72.2%15827
Biniam B Asmelash71.4%700
Kai H Weng71.1%1490
Kuangyue Chen70.9%40524
Kristina Babinski Burns70.3%372
Michael G Hoang70.2%1040
Leslie R Deak69.5%5500
Diallo Igwe Duniver69.1%1360
Joseph M Baillargeon68.0%750
Ayub A Maye67.8%2020
Eric S Stapleton67.0%4670
Adam M Marcetich66.6%6950
Adam Michael Eckardt65.3%19926
Rachel R Rizzo65.2%230
Elizabeth M Kerr64.6%30525
Susan Shan Su64.2%6460
Melanie Jo Hand64.0%3890
Lawrence H Samuels63.9%32433
Alba T Rosario-Aponte63.6%36829
Thomas John Ward63.0%40322
Dilnessa B Belay62.6%23026
Theodore Justine Evangelista62.4%13337
Erin E Mcgrath62.3%2570
Ilya Y Treyger62.2%5430
Simpson Abraham Chen62.1%19541
Guy K Townsend61.5%2730
Kevin Guanhua Wen61.3%19144
Frederick F Calvetti61.2%2550
Tiffany T Tran60.6%27924
Spencer Hammett Kirkwood57.4%1977
Ariana Zimbouski57.3%2180
Michael G Bogart57.1%140
Michele M Kidwell57.0%6680
Gabriella E Burnette56.5%230
Benedict L Hanrahan55.5%2380
Ginger T Chapman55.2%3370
Sara A Sass54.0%2150
Allison Erin Helferty53.3%151
Abigail H Rhue53.3%15238
Masahiko Muranami51.7%1450
Justin C Dodson50.8%31723
Franklin Jefferson Wang50.3%14334
Damon Joel David Alfaro50.0%260
Maurisa Doreen Morris50.0%40
Drew Joseph Mitchum50.0%215
Bonita Khlok48.8%21529
Yeong Juen Thong48.8%16431
Catharine L Anderson46.2%910
Stephanie Renee Oliva44.4%2722
Michael Stuart Poetzinger43.4%760
Andrew J Mensh43.3%2010
Fahmida Nmn Ferdousi43.1%12329
Paula L Craig43.0%1350
Erwin J Wunderlich42.9%22450
Thao Uyen Tran-Le42.9%13340
Xin Xie42.9%210
Steven W Crabb42.3%262
Yi Hao41.7%240
Jessica R Arble41.5%410
Bryan Michael Badalamenti40.0%250
Hamzeh Hicham Amin36.8%1915
Ahmad Abdel-Rahman34.5%1130
Krystene Nhe Bandong Maceda33.3%622
William C Gibson29.5%440
Benjamin C Clark25.0%40
Helena Kosanovic24.1%1160
Ibrahime A Abraham20.0%4512
Karin M Reichle14.3%630
Jonathan Charles Teixeira Moffat11.1%180
Tu Ba Hoang5.4%920
Tatyana Zalukaeva3.8%780
Dana Ross0.0%240
Nathaniel Edward Wiehe0.0%110
Emma Elizabeth Ulatowski0.0%416
Je Hwan John Park0.0%327
Bennett Gallup Bowers0.0%20
John Michael Chambers0.0%219
Jacob F Betit0.0%10
Julie K Brocketti0.0%10
David W Duffy0.0%10
Brian D Keller0.0%10
Vishal J Pancholi0.0%10
Ricardo D Morales0.0%10
Hunter Garrett Hemmings—022
Nicholas Fredrick Gauthier—011
Margaret Hatsue Hyde Clarke—08
Andrew Tobias Blenke—05
Christopher Jordan Mccormick—05
Chancie Isabelle Velasquez Sanchez—03
Zunjing Jenipher Wang—03
Adam Yonas—03
Daniel Robert Hetri Semer—02
Daniel Louis Sutter—01

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 3761?

57.7% over the last five years, across 14,434 resolved applications.

Which examiners in Art Unit 3761 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Woody A Lee Jr. (94.1%, 186 resolved), Samuel M Heinrich (93.3%, 75 resolved), Thuyhang Ngoc Nguyen (93.3%, 45 resolved).

Which examiners in Art Unit 3761 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Tatyana Zalukaeva (3.8%, 78 resolved), Tu Ba Hoang (5.4%, 92 resolved), Karin M Reichle (14.3%, 63 resolved).

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