Prosecution Insights
Last updated: October 08, 2026

USPTO Art Unit 3771: Examiners and Allowance Rates

125 examiners • 51 with pending office actions • Medical Devices & Mechanical Engineering (Tech Center 3700)

Art unit baseline (last 5 years, 14,308 dispositions): 66% allowance rate • 4.6 office actions per allowance • 1,136 days median pendency
ExaminerAllowance rateResolved casesPending apps
Regina Vahey100.0%40
Amy Regina Weisberg100.0%30
Theodore Le Vu100.0%20
Moira E Hayes100.0%20
Laura A Bouchelle100.0%10
Jonathan Charles Teixeira Moffat100.0%10
Shumaya B Ali100.0%10
Michelle Lopez100.0%10
Jaime Figueroa100.0%10
Dung T Ulsh100.0%10
Cachet I Proctor100.0%10
Robert T Nguyen100.0%10
Arundipta Shome100.0%10
Alvin J Stewart100.0%10
James M Kish100.0%10
Tin Duc Nguyen96.2%260
Vi X Nguyen92.9%50918
Ryan J Severson91.1%4746
Tuan Van Nguyen89.9%64617
Katrina Marie Stransky89.5%2000
Ashley Lauren Fishback89.1%41121
Paige Alexandria Codrington88.9%180
George J Ulsh86.6%2830
Julian W Woo86.3%5260
Jocelin C Tanner86.3%54628
Robert A Lynch85.6%54936
Erich G. Herbermann85.6%2500
Phong Son H Dang85.6%27013
Mohamed Gamil Gabr85.4%42627
Gregory A Anderson85.2%810
Dianne Dornbusch84.1%29016
Julie Ann Szpira83.6%1650
Katherine Menglin Shi82.7%42729
Richard G Louis82.5%61330
Rachael L Geiger82.3%12421
Diane D Yabut81.8%41818
Chima U Igboko81.5%30834
Thomas M Mcevoy81.2%48532
Todd J Scherbel80.1%43823
Darwin P Erezo80.0%53
Melanie Ruano Tyson79.9%2540
Majid Jamialahmadi79.6%30417
Kathleen Sonnett Holwerda79.6%43632
Jonathan Wade Miles78.6%1680
Alyssa M Keane78.4%370
Shaun L David78.4%36531
Anh Tieu Dang78.2%38031
Khoa Tan Le78.0%5928
Steven O Douglas77.9%8700
Alexander J Orkin76.7%49024
Cherie Michelle Poland76.3%13135
Sarah A Long76.0%39242
Kankindi Rwego75.4%41115
Arwa A Mostafa75.0%40
Vy Q Bui74.7%950
Brooke N Labranche74.7%45453
Sarah Webb Aleman74.3%1670
Mikail A Mannan74.0%1460
Christian D Knauss73.9%30324
Erin E Mcgrath73.9%11124
Rachel S Highland73.8%840
Michael G Mendoza72.6%1130
Christina C Lauer72.5%34944
Katherine H Mendez72.3%33931
Martin Truyen Ton72.2%34928
Andrew Peter Restaino72.2%28444
Uyen N Vo71.7%530
Brigid K Byrd71.4%32933
Katherine Marie Rodjom71.0%26917
Mitchell Brain Hoag70.4%13533
David C Eastwood69.6%460
Bridget Elizabeth Rabaglia68.9%18033
Tan-Uyen Thi Ho68.8%169
Serenity A Miller68.0%12225
Charles M Wei67.4%1380
Jonathan Adam Hollm66.9%17217
Christopher L Templeton66.7%690
Eric Andrew Liu66.7%30
Mohammed Sohail Adam66.4%21119
Osama Mohammad Nemer66.3%9529
Jing Rui Ou65.8%36531
David Paul Stein64.3%420
Raihan R Khandker64.0%17847
Quang D Thanh63.8%4700
Valerie Lynn Woodward63.3%4880
Lindsey Rae Rivers62.8%9421
Nasheha Baset61.9%210
Aman Kumar Mann61.5%260
Clinton T Ostrup61.2%2730
Lindsey Michele Bachman60.5%26316
James Ryan Mcginnity60.3%11625
Lee O Chedister60.0%50
Lauren Dubose59.5%14834
Zehra Jaffri58.0%8842
Socrates L Boutsikaris56.4%550
Alexis D Amechi51.5%330
Annette Fredricka Dixon51.4%2180
Daniel Allen Icet51.2%430
Kristen Clarette Matter51.0%2040
Danton D Demille50.3%1970
Joshua T Hicks50.0%120
Kathrynn M Lyddane49.2%1930
Rachel T Sippel47.5%4360
Michael Jasper Tsai47.1%2230
Colin W Stuart46.1%4190
Douglas Young Sul45.2%2080
Timothy A Stanis44.9%2140
Latoya M Louis41.6%2790
Joseph R. Conte III40.0%50
Christopher E Miller38.6%2070
Tu A Vo35.5%1240
Erin L Colello35.1%942
Daniel P Garbus33.3%30
Elizabeth Houston27.7%13012
Si Ming Ku23.5%170
Raymond Guanway Chen22.0%500
Christopher James Blizzard14.7%340
Brian D Won14.3%70
Kai-Yeu K Chu9.1%330
Justine Romang Yu6.9%1010
Eric J Rosen0.0%250
Ridwan Chowdhury0.0%40
Onika Alam0.0%20
Katelyn J Bernier0.0%20
Charles E Norwood0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 3771?

66.0% over the last five years, across 14,308 resolved applications.

Which examiners in Art Unit 3771 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Vi X Nguyen (92.9%, 509 resolved), Ryan J Severson (91.1%, 474 resolved), Tuan Van Nguyen (89.9%, 646 resolved).

Which examiners in Art Unit 3771 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Justine Romang Yu (6.9%, 101 resolved), Kai-Yeu K Chu (9.1%, 33 resolved), Christopher James Blizzard (14.7%, 34 resolved).

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