Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 3722: Examiners and Allowance Rates

47 examiners • 9 with pending office actions • Medical Devices & Mechanical Engineering (Tech Center 3700)

Art unit baseline (last 5 years, 3,105 dispositions): 54% allowance rate • 2.6 office actions per allowance • 997 days median pendency
ExaminerAllowance rateResolved casesPending apps
Michael Wayne Hotchkiss100.0%40
Joshua Smyly Hearne100.0%40
Kyle A Cook100.0%30
Christopher James Besler100.0%20
Donghai D Nguyen100.0%20
Darrell Christopher Ford100.0%10
Muaamar Qahtan Al-Taweel100.0%10
Joseph A Stoklosa100.0%10
Lee D Wilson100.0%10
Minh N Trinh100.0%10
Michael Eugene La Villa100.0%10
David R Sample100.0%10
Matthew P Travers100.0%10
Saad M Kabir100.0%10
Kent N Shum100.0%10
Kidest Worku100.0%10
Ryan J Walters100.0%10
Livius Radu Cazan100.0%10
Sara Addisu87.9%62922
Bayan Salone87.5%80
Willmon Fridie Jr.86.8%3710
Daniel W Howell85.8%2250
Eric Andrew Gates83.7%79840
Alan W Snyder82.1%71124
Nicole N Ramos81.5%81023
Yasir A Diab74.5%2350
Chwen-Wei Su74.5%5130
Paul Martens Janeski73.1%5100
Stephen Sun Cha72.7%110
Mohammad Reza Nourbakhsh70.4%270
Eric Daniel Whitmire67.6%740
Michael J Vitale67.0%47025
Donte D Brown66.7%480
Erica E Cadugan63.4%40220
Reinaldo A Vargas Del Rio62.9%1050
Ryan C Rufo58.9%66131
Brendan M Ayer54.1%370
Dustin James Trujillo50.0%200
Sunil K Singh30.7%887
Boyer Dolinger Ashley23.8%210
Andrea L Wellington14.3%140
Chad E Eimers0.0%20
Wesley W Meaders0.0%10
Docket Central0.0%10
Yaritza Guadalupe0.0%10
Aaron Michael King0.0%10
Channing Nmn Tu—01

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 3722?

54.2% over the last five years, across 3,105 resolved applications.

Which examiners in Art Unit 3722 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Sara Addisu (87.9%, 629 resolved), Willmon Fridie Jr. (86.8%, 371 resolved), Daniel W Howell (85.8%, 225 resolved).

Which examiners in Art Unit 3722 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Sunil K Singh (30.7%, 88 resolved), Brendan M Ayer (54.1%, 37 resolved), Ryan C Rufo (58.9%, 661 resolved).

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