Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2847: Examiners and Allowance Rates

48 examiners • 31 with pending office actions • Semiconductors, Circuits & Optics (Tech Center 2800)

Art unit baseline (last 5 years, 7,211 dispositions): 68% allowance rate • 3.6 office actions per allowance • 949 days median pendency
ExaminerAllowance rateResolved casesPending apps
David M Sinclair100.0%2642
Eric W Thomas100.0%2421
Pete T Lee100.0%2324
Arun Ramaswamy100.0%2132
Michael P Mcfadden100.0%1918
Tuan T Dinh100.0%1826
Nathan J Milakovich100.0%1413
Obaidul Nmn Gani100.0%510
Harmandeep Singh100.0%30
Timothy J Dole100.0%20
Esther Ngun Hlei Ma Lian100.0%26
Hae M Hyeon100.0%10
Sonya D Mccall Shepard100.0%10
Timothy Joseph Torres100.0%120
Pierre E Elisca100.0%10
Dion Ferguson96.4%2825
Binh Bach Thanh Tran96.3%2719
Paramita Ghosh93.9%330
Nguyen T Ha93.3%1040
John Brendan Freal93.2%20715
Lisa S Lea Edmonds90.9%47113
Jeremy C Norris90.7%68812
Guillermo J Egoavil89.8%66717
Michael F Mcallister85.9%62213
Amol H Patel85.7%64213
Muhammed Azam85.5%1729
Andargie M Aychillhum85.0%42815
Charles M Pizzuto85.0%2330
Hung V Ngo83.9%3970
Hoa Cao Nguyen83.4%6040
Sherman Ng83.3%4135
Krystal Robinson80.3%34520
Tremesha Willis Burns79.8%73932
William H Mayo III78.3%5950
Steven T Sawyer77.6%86722
Aditya Sharma76.9%3918
Sidi Mohamed Maiga76.5%519
Xiaoliang Chen75.6%5320
Stanley Tso75.5%51128
Rhadames J Alonzo Miller68.7%46725
Ishwarbhai B Patel68.7%7440
Chau N Nguyen63.7%6880
Timothy J Thompson61.2%677
Paresh H Paghadal60.1%66124
Roshn K Varghese59.3%3780
Paul P Mcgee III52.1%710
Anthony D Tugbang0.0%10
Abigail Marie Thayer—09

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2847?

68.1% over the last five years, across 7,211 resolved applications.

Which examiners in Art Unit 2847 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Paramita Ghosh (93.9%, 33 resolved), Nguyen T Ha (93.3%, 104 resolved), John Brendan Freal (93.2%, 207 resolved).

Which examiners in Art Unit 2847 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Paul P Mcgee III (52.1%, 71 resolved), Roshn K Varghese (59.3%, 378 resolved), Paresh H Paghadal (60.1%, 661 resolved).

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