Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2438: Examiners and Allowance Rates

30 examiners • 10 with pending office actions • Networking & Security (Tech Center 2400)

Art unit baseline (last 5 years, 2,966 dispositions): 69% allowance rate • 2.7 office actions per allowance • 1,019 days median pendency
ExaminerAllowance rateResolved casesPending apps
Edward Estrada100.0%40
Jahangir Kabir100.0%10
Thanhnga B Truong87.7%3570
Shawnchoy Rahman87.5%7796
Thaddeus J Plecha87.2%6509
Kenneth W Chang86.6%63310
Badri Narayanan Champakesan86.4%1990
Jason T Lee85.5%4560
Josnel Jeudy83.9%80716
Farshad Jason Farhadian82.8%290
Morshed Mehedi79.6%4850
Khalil Naghdali78.7%940
Blake I Narramore78.3%18020
Madhuri R Herzog78.3%68315
Narciso F Victoria77.7%1030
Mahfuzur Rahman77.6%1560
Joshua Raymond White76.9%1218
Sharon S Lynch76.7%43818
Phy Anh Tran Vu76.5%29410
David J Pearson76.1%5320
Gregory A Lane74.8%60813
Lin Chang73.8%1300
Pegah Barzegar73.7%380
Angela R Holmes73.3%1010
Minh Dieu T Nguyen70.0%500
Amir Mehrmanesh68.9%450
Justin T Darrow53.3%1050
Taghi T Arani46.2%260
Amy Cohen Johnson0.0%10
Shourjo Dasgupta0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2438?

69.5% over the last five years, across 2,966 resolved applications.

Which examiners in Art Unit 2438 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Thanhnga B Truong (87.7%, 357 resolved), Shawnchoy Rahman (87.5%, 779 resolved), Thaddeus J Plecha (87.2%, 650 resolved).

Which examiners in Art Unit 2438 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Justin T Darrow (53.3%, 105 resolved), Amir Mehrmanesh (68.9%, 45 resolved), Minh Dieu T Nguyen (70.0%, 50 resolved).

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