Prosecution Insights
Last updated: October 25, 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 • 4.7 office actions per allowance • 1,140 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 Nguyen93.0%51216
Ryan J Severson91.3%4814
Tuan Van Nguyen90.0%64722
Katrina Marie Stransky89.5%2000
Ashley Lauren Fishback88.9%41523
Paige Alexandria Codrington88.9%180
George J Ulsh86.6%2830
Julian W Woo86.3%5260
Jocelin C Tanner86.3%55333
Phong Son H Dang85.6%27114
Erich G. Herbermann85.6%2500
Robert A Lynch85.6%55439
Mohamed Gamil Gabr85.4%42625
Gregory A Anderson85.2%810
Dianne Dornbusch84.3%29320
Julie Ann Szpira83.6%1650
Katherine Menglin Shi82.7%42831
Richard G Louis82.5%61327
Rachael L Geiger82.3%12428
Diane D Yabut81.8%42220
Chima U Igboko81.5%30831
Thomas M Mcevoy81.1%48728
Todd J Scherbel80.2%44023
Darwin P Erezo80.0%53
Melanie Ruano Tyson79.9%2540
Majid Jamialahmadi79.7%30616
Kathleen Sonnett Holwerda79.7%43937
Anh Tieu Dang78.6%38328
Jonathan Wade Miles78.6%1680
Alyssa M Keane78.4%370
Shaun L David78.3%36828
Steven O Douglas77.9%8700
Alexander J Orkin76.7%49328
Cherie Michelle Poland76.5%13231
Sarah A Long76.1%39443
Khoa Tan Le75.4%6126
Kankindi Rwego75.3%41316
Arwa A Mostafa75.0%40
Vy Q Bui74.7%950
Erin E Mcgrath74.3%11326
Sarah Webb Aleman74.3%1670
Brooke N Labranche74.1%45663
Christian D Knauss74.0%30425
Mikail A Mannan74.0%1460
Rachel S Highland73.8%840
Michael G Mendoza72.6%1130
Christina C Lauer72.5%34939
Andrew Peter Restaino72.3%28542
Martin Truyen Ton72.2%35225
Katherine H Mendez72.1%34136
Uyen N Vo71.7%530
Brigid K Byrd71.4%32941
Katherine Marie Rodjom70.7%27020
Mitchell Brain Hoag70.1%13729
David C Eastwood69.6%460
Bridget Elizabeth Rabaglia68.9%18033
Tan-Uyen Thi Ho68.8%169
Serenity A Miller68.5%12428
Charles M Wei67.4%1380
Jonathan Adam Hollm67.2%17420
Mohammed Sohail Adam66.7%21317
Christopher L Templeton66.7%690
Eric Andrew Liu66.7%30
Osama Mohammad Nemer66.3%9530
Jing Rui Ou66.2%36733
Raihan R Khandker64.4%18047
David Paul Stein64.3%420
Quang D Thanh63.8%4700
Valerie Lynn Woodward63.3%4880
Lindsey Rae Rivers63.2%9526
Nasheha Baset61.9%210
Aman Kumar Mann61.5%260
Clinton T Ostrup61.2%2730
Lindsey Michele Bachman60.5%26318
James Ryan Mcginnity60.3%11635
Lee O Chedister60.0%50
Lauren Dubose59.1%14933
Zehra Jaffri58.0%8840
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%941
Daniel P Garbus33.3%30
Elizabeth Houston27.7%13010
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?

65.9% 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 (93.0%, 512 resolved), Ryan J Severson (91.3%, 481 resolved), Tuan Van Nguyen (90.0%, 647 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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