Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2133: Examiners and Allowance Rates

35 examiners • 14 with pending office actions • Computing & Software (Tech Center 2100)

Art unit baseline (last 5 years, 2,932 dispositions): 86% allowance rate • 5.8 office actions per allowance • 1,094 days median pendency
ExaminerAllowance rateResolved casesPending apps
Kaitlyn Hung Pham100.0%611
Rocio Del Mar Perez-Velez100.0%63
R Stephen Dildine Jr.100.0%30
Jonah C Krieger100.0%217
Demetrios C Kerveros100.0%10
John P Trimmings100.0%10
Mohammed A Bashar100.0%10
John J Tabone Jr.100.0%10
Prasith Thammavong100.0%10
Ryan Bertram100.0%10
Fritz Alphonse100.0%10
David Ton100.0%10
Hua Jasmine Song97.4%5718
Brian R Peugh94.9%1788
Tong Ba Vo94.6%740
Michelle Taeuber Bechtold93.8%320
Midys Rojas93.4%53212
Zhuo H Li93.0%4176
Sean D Rossiter93.0%4973
Mardochee Chery92.1%60714
Stephen C Elmore91.9%370
Khoa D Doan90.1%3726
William E Baughman89.5%190
Jean C Edouard84.1%440
Charles J Choi82.9%3226
Stephanie Wu81.2%3147
Hamdy S Ahmed77.3%660
Julian Scott Mendel74.3%3518
Marwan Ayash72.4%21712
Christopher N Do71.9%570
Brendan S Lillis70.0%200
Jana M Blust53.3%150
Jared Ian Rutz50.0%260
Kenneth M Lo25.0%40
Guy J Lamarre0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2133?

85.8% over the last five years, across 2,932 resolved applications.

Which examiners in Art Unit 2133 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Hua Jasmine Song (97.4%, 571 resolved), Brian R Peugh (94.9%, 178 resolved), Tong Ba Vo (94.6%, 74 resolved).

Which examiners in Art Unit 2133 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Christopher N Do (71.9%, 57 resolved), Marwan Ayash (72.4%, 217 resolved), Julian Scott Mendel (74.3%, 35 resolved).

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