Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2454: Examiners and Allowance Rates

61 examiners • 12 with pending office actions • Networking & Security (Tech Center 2400)

Art unit baseline (last 5 years, 4,111 dispositions): 65% allowance rate • 4.1 office actions per allowance • 645 days median pendency
ExaminerAllowance rateResolved casesPending apps
Gil H Lee100.0%80
Razu A Miah100.0%56
Juan Carlos Turriate Gastulo100.0%10
Jasmine T Nguyen100.0%10
Lam T Mai100.0%10
Dai Phuong100.0%10
Lan Dai T Truong100.0%10
Julian Chang97.1%340
Frantz Coby91.0%2660
Douglas B Blair90.9%17639
Le Hien Luu90.9%110
Kim T Nguyen90.8%3060
Frantz B Jean90.2%8578
Mohamed A Wasel89.9%84413
Brian P Whipple89.6%3070
John Moore Jain Macilwinen89.5%13317
Jinsong Hu87.8%1310
Chirag R Patel87.3%71514
Jungwon Chang86.3%83318
Larry D Donaghue85.9%4050
Hamza N Algibhah84.6%2670
Phyllis A Book84.2%4495
Jihad Kamal Boustany83.9%1180
Philip C Lee83.6%23822
Viet D Vu81.5%1080
Jeong S Park80.6%7740
Aftab N Khan80.5%4624
Rachel J Hackenberg78.1%31920
Gregory P Tolchinsky77.4%1860
Wen Tai Lin76.9%4330
Marshall M Mcleod76.6%3200
Haresh N Patel75.4%1260
Patrick F Ngankam75.3%2470
James E Springer75.0%5160
Mohammad A Siddiqi75.0%680
Tesfu N Mekonen72.2%1440
Kenneth R Coulter70.1%670
Mark O Afolabi68.5%1080
James Ross Hollister64.5%930
Anh Nguyen63.6%1650
John Fan60.5%1620
Binod J Kunwar60.5%810
Dustin Nguyen59.4%1650
Joshua Joo58.9%900
Anthony T Rotolo57.3%1100
Tony Williams56.2%1050
Tsung Yin Wu54.7%1390
Michael E Keefer52.4%210
Glenton B Burgess51.6%316
Umar Cheema51.6%310
James T Baron47.5%610
Hannah S Wang47.1%1020
Deforrest P Bailey47.1%170
Thomas Duong40.0%100
Jean P Mendez Flores38.1%210
Nathan J Flynn25.0%40
Joseph E Avellino0.0%370
Cynthia A Ward0.0%20
Ashley Denice Harris0.0%20
Christopher L Parry0.0%10
Hong N Truong0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2454?

65.4% over the last five years, across 4,111 resolved applications.

Which examiners in Art Unit 2454 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Julian Chang (97.1%, 34 resolved), Frantz Coby (91.0%, 266 resolved), Douglas B Blair (90.9%, 176 resolved).

Which examiners in Art Unit 2454 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Joseph E Avellino (0.0%, 37 resolved), Hannah S Wang (47.1%, 102 resolved), James T Baron (47.5%, 61 resolved).

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