Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 3623: Examiners and Allowance Rates

68 examiners • 15 with pending office actions • Transportation, E-Commerce & Mechanical Systems (Tech Center 3600)

Art unit baseline (last 5 years, 5,758 dispositions): 24% allowance rate • 5.0 office actions per allowance • 1,132 days median pendency
ExaminerAllowance rateResolved casesPending apps
Arif Ullah100.0%10
Tuyen Kim Vo100.0%10
Romain Jeanty63.3%3950
Gurkanwaljit Singh57.6%1650
Derick J Holzmacher53.2%1560
Scott L Jarrett52.1%3050
Thomas L Mansfield50.6%3220
Alan S Miller50.0%1900
Christine M Tran50.0%80
Kurtis Gills49.7%3340
Justin Pats45.2%1460
Hafiz A Kassim45.0%35333
Robert D Rines43.4%1590
Akosua P Kyereme-Tuah43.3%1270
Abdallah A El-Hage Hassan43.2%29229
Hamzeh M Obaid42.9%630
William S Brockington III42.2%51628
Tiera J Fletcher41.9%430
Doron D Fields40.0%50
Ernest Adeyemi Jackson39.5%1190
Stephanie Zagarella Delich38.7%50626
Theodore L Xie38.5%1314
Matheus R Stivaletti37.4%24324
Charles A Guiliano37.4%35023
Andre D Boyce36.8%64221
Ivan R Goldberg36.6%410
Folashade Anderson35.3%54418
Peter H Choi33.6%1160
Jonathan G Sterrett33.5%6470
Johnna Ronee Loftis33.3%30
Neil R Kardos33.0%1120
Po Han Lee32.1%16829
Rutao Wu31.0%296
Zahra Elkassabgi30.7%25114
Camille M Galloway30.0%200
Tyrone E Singletary29.2%1920
Letoria G Knight29.1%18923
Stephen S Swartz29.0%5240
Nadja N Chong Cruz28.5%34717
Amanda Karen Gurski26.7%2700
Leland R Marcus24.2%2440
Sarjit S Bains22.8%11413
Scott M Ross22.5%2530
Lorena R Feacher22.1%1720
Adrian J Mcphillip20.7%580
Tiphany B Dickerson16.8%1910
Mehmet Yesildag16.1%930
Joseph M Waesco16.1%560
Tzu-Hsiang Lan14.6%1570
William Ernest Porter12.8%390
Darlene Garcia-Guerra12.5%80
Ashley Ya-Sheh Young9.8%410
Benjamin S Fields6.3%790
Abhijit B Sadananda6.0%500
Jeffrey P Zimmerman3.7%1090
Matthew S Gart2.8%360
Beth V Boswell0.0%940
William V Saindon0.0%90
Docket Tc 36000.0%90
John A Zelano0.0%40
Brandi P Parker0.0%30
Mark A Fleischer0.0%30
David Robertson0.0%20
Afaf Osman Bilal Ahmed0.0%20
Mustafa Iqbal0.0%10
Jaime F Cardenas Navia0.0%10
Adam L Levine0.0%10
Hector Leal0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 3623?

24.1% over the last five years, across 5,758 resolved applications.

Which examiners in Art Unit 3623 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Romain Jeanty (63.3%, 395 resolved), Gurkanwaljit Singh (57.6%, 165 resolved), Derick J Holzmacher (53.2%, 156 resolved).

Which examiners in Art Unit 3623 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Beth V Boswell (0.0%, 94 resolved), Matthew S Gart (2.8%, 36 resolved), Jeffrey P Zimmerman (3.7%, 109 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