Prosecution Insights
Last updated: October 08, 2026

USPTO Art Unit 2491: Examiners and Allowance Rates

35 examiners • 11 with pending office actions • Networking & Security (Tech Center 2400)

Art unit baseline (last 5 years, 3,199 dispositions): 68% allowance rate • 5.6 office actions per allowance • 1,296 days median pendency
ExaminerAllowance rateResolved casesPending apps
William R Korzuch100.0%37
Arif Khan100.0%20
Shaqueal D Wade-Wright100.0%10
Lisa C Lewis100.0%10
Vu V Tran89.9%4060
Faghia Telat Rana84.6%130
David Yiuk Jung84.5%580
Evans Desrosiers84.3%1,02113
Syed M Ahsan83.4%23533
Quazi Farooqui83.0%4654
Matthias Habtegeorgis79.5%12214
D'Arcy Winston Straub77.3%23321
William B Jones75.6%2790
Sayeda S Nahar75.6%410
Matthew T Henning74.7%52518
Daniel B Potratz73.4%50014
Aditya Sriram73.3%457
Kevin M Bechtel72.1%45918
Alexander Lagor70.6%4050
Wansik You67.9%280
Linglan E Edwards67.3%3950
Gary S Gracia66.8%3980
Brian F Shaw65.4%3090
Andrew C Goldberg59.6%1140
Forrest L Carey56.6%27216
Lawrence V Cosby54.8%1240
Hakeem D Sulaimon50.0%20
Jeffrey D Popham43.4%2350
Joseph P Gazda38.1%210
Tracy Mangialaschi22.7%660
Sunita Reddy14.3%210
Ashokkumar B Patel0.0%270
Joshua L Collins0.0%40
Hai V Tran0.0%30
Ian N Moore0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2491?

67.7% over the last five years, across 3,199 resolved applications.

Which examiners in Art Unit 2491 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Vu V Tran (89.9%, 406 resolved), David Yiuk Jung (84.5%, 58 resolved), Evans Desrosiers (84.3%, 1,021 resolved).

Which examiners in Art Unit 2491 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Tracy Mangialaschi (22.7%, 66 resolved), Jeffrey D Popham (43.4%, 235 resolved), Lawrence V Cosby (54.8%, 124 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