Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 3752: Examiners and Allowance Rates

53 examiners • 17 with pending office actions • Medical Devices & Mechanical Engineering (Tech Center 3700)

Art unit baseline (last 5 years, 5,622 dispositions): 49% allowance rate • 5.8 office actions per allowance • 1,252 days median pendency
ExaminerAllowance rateResolved casesPending apps
Madison Lynn Poos100.0%10
Wei Chan100.0%10
Vishal J Pancholi100.0%10
Brandi N Hopkins100.0%10
Alanna Kay Peterson100.0%10
Anita M King100.0%10
Tae H Yoon100.0%10
Benjamin Lee Osterhout100.0%10
Robert R Raevis100.0%10
Gary Collins100.0%10
Suzanne Lale Dino Barrett100.0%10
Chun Cao100.0%10
Michael Melaragno100.0%10
Rodney K Mintz100.0%10
Nelson J Nieves100.0%10
Steven M Sutherland95.1%18522
Melanie Ruano Tyson88.9%90
Thomas M Berez85.7%140
Tiffany A Johnson83.3%60
Steven J Ganey82.2%1,4069
Darren W Gorman79.2%1,24522
Dinh Q Nguyen71.3%4500
Davis D Hwu69.4%6330
Tuongminh Nguyen Pham68.0%51314
Qingzhang Zhou67.3%85434
Joseph A Greenlund66.8%66240
Christopher R. Dandridge65.8%62336
Viet Le65.4%5180
Chee-Chong Lee64.3%79542
Christopher S Kim63.3%1,14341
Juan C Barrera63.2%50617
Adam James Rogers61.7%2010
Ryan Alexander Reis60.6%5840
Alexander M Valvis60.0%4400
Cody J Lieuwen59.6%55237
Jennifer Lynne Gordon56.4%390
Justin M Jonaitis54.4%4560
Steven Michael Cernoch53.1%74619
Kevin Edward Schwartz51.7%23240
Jason J Boeckmann49.0%1,00939
Andrew Domenic Ondrejcak45.8%2422
James Sean Hogan43.4%990
Anna Thi Ho39.3%6140
Trevor Edwin Mcgraw38.0%2160
Sagar N Patel33.3%30
Daniel T Sharpe15.0%200
Arthur O Hall14.7%345
Jeffrey Ross Dunn14.3%70
Len Tran4.5%660
Jacob F Betit0.0%20
Jeffrey Bolden Hayes0.0%10
Michael P Maskell0.0%10
Kyle Garret Beers0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 3752?

48.7% over the last five years, across 5,622 resolved applications.

Which examiners in Art Unit 3752 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Steven M Sutherland (95.1%, 185 resolved), Steven J Ganey (82.2%, 1,406 resolved), Darren W Gorman (79.2%, 1,245 resolved).

Which examiners in Art Unit 3752 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Len Tran (4.5%, 66 resolved), Arthur O Hall (14.7%, 34 resolved), Trevor Edwin Mcgraw (38.0%, 216 resolved).

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