Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2447: Examiners and Allowance Rates

47 examiners • 14 with pending office actions • Networking & Security (Tech Center 2400)

Art unit baseline (last 5 years, 3,244 dispositions): 64% allowance rate • 3.8 office actions per allowance • 745 days median pendency
ExaminerAllowance rateResolved casesPending apps
Brendan Y Higa100.0%621
Alina A Boutah100.0%20
Chau D Le100.0%20
Chuong A Ngo100.0%10
Nicholas P Celani100.0%10
Fadi Haj Said100.0%10
Nathan Ngoc-Ngoc Hoang100.0%10
Clayton R Williams100.0%10
Phuoc H Nguyen100.0%10
Ghazal B Shehni100.0%10
Viet D Vu100.0%10
Duyen My Doan100.0%10
Sakinah W Taylor100.0%10
Suman Debnath100.0%10
Hadi S Armouche100.0%10
Shirley X Zhang95.0%14014
Kyung H Shin93.8%22713
Jude Jean Gilles92.5%5760
Liang Che A Wang86.3%6847
Brian P Whipple86.0%505
Haresh N Patel85.5%830
Sargon N Nano82.4%170
Johnny B Aguiar80.4%39811
Cheikh T Ndiaye79.3%74314
Bunjob Jaroenchonwanit76.9%130
Kaylee J Huang74.7%36715
Karen C Tang72.5%64412
Suraj M Joshi72.0%52510
Jaren M Means71.4%3080
George C Neurauter Jr.70.7%1740
Abdulkader Mohamed Alriyashi67.5%39121
Hao Hong Nguyen67.5%31425
Ayele F Woldemariam59.7%3037
Joel Mesa53.1%3260
Thomas E Lee IV39.1%640
Melaku Y Habtemariam38.4%1460
Sherman L Lin29.2%26024
Mark C Pfizenmayer29.0%310
Jasmine Myers17.9%280
Joon H Hwang15.2%460
John W Isom14.8%880
Garrett T Larue0.0%20
Jack C Leung0.0%10
Juan C Marte0.0%10
Philip C Lee0.0%10
Younes Naji0.0%10
Farzana B Huq0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2447?

63.5% over the last five years, across 3,244 resolved applications.

Which examiners in Art Unit 2447 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Shirley X Zhang (95.0%, 140 resolved), Kyung H Shin (93.8%, 227 resolved), Jude Jean Gilles (92.5%, 576 resolved).

Which examiners in Art Unit 2447 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: John W Isom (14.8%, 88 resolved), Joon H Hwang (15.2%, 46 resolved), Mark C Pfizenmayer (29.0%, 31 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