Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 3644: Examiners and Allowance Rates

48 examiners • 14 with pending office actions • Transportation, E-Commerce & Mechanical Systems (Tech Center 3600)

Art unit baseline (last 5 years, 4,913 dispositions): 65% allowance rate • 2.8 office actions per allowance • 795 days median pendency
ExaminerAllowance rateResolved casesPending apps
Carlos A Rodriguez Larrott100.0%20
Assres H Woldemaryam100.0%20
Bayan Salone100.0%10
William L Gmoser100.0%10
Aaron M Rodziwicz100.0%10
Rodney Andrew Bonnette100.0%10
Tammara R Peyton100.0%10
Nicholas Leo Seneczko93.8%160
Eric Lazarus Acosta87.2%19518
Nicholas A Mcfall85.9%54511
Richard G Davis84.6%71012
Tye W Abell84.4%5372
Christopher P Ellis82.1%7644
Justin Michael Heston81.2%22913
Medhat Badawi80.9%3250
Jamie S Stehle80.8%1510
Michael B Kreiner80.6%4080
Keith L Dixon78.8%4630
Yvonne Renee Abbott-Lewis78.2%8944
Philip J Bonzell75.7%4940
Terri L Filosi75.4%2562
Brendan Kroger Schneider75.0%200
Joseph W Sanderson74.2%5810
Tien Quang Dinh72.3%3280
Brian M O'Hara71.9%4370
Justin M Benedik71.8%1420
James Barrett Atwell71.4%70
Steven Hawk69.2%130
Trinh T Nguyen69.1%1,04711
Richard R Green68.3%2270
Jessica Bowen Wong66.8%59110
Michael A Fabula66.7%30
Joshua J Michener62.8%1560
Maria Eileen Graber61.8%26226
Madeline Louise Douglas58.5%410
Ebony E Evans58.4%1250
Stephen A Brookman57.1%210
Francis T Palo56.2%3490
Monica L Perry56.0%76411
Brittany A Lowery56.0%20015
Michael H Wang52.3%650
Valentina Xavier43.1%1440
Kimberly Sue Berona36.6%3170
Joshua Daniel Huson35.5%3860
Rodney M Henry28.6%70
Timothy D Collins21.4%702
Michael R Mansen12.5%80
Arfan Y Sinaki0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 3644?

64.5% over the last five years, across 4,913 resolved applications.

Which examiners in Art Unit 3644 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Eric Lazarus Acosta (87.2%, 195 resolved), Nicholas A Mcfall (85.9%, 545 resolved), Richard G Davis (84.6%, 710 resolved).

Which examiners in Art Unit 3644 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Timothy D Collins (21.4%, 70 resolved), Joshua Daniel Huson (35.5%, 386 resolved), Kimberly Sue Berona (36.6%, 317 resolved).

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month