Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2891: Examiners and Allowance Rates

47 examiners • 15 with pending office actions • Semiconductors, Circuits & Optics (Tech Center 2800)

Art unit baseline (last 5 years, 4,851 dispositions): 69% allowance rate • 3.8 office actions per allowance • 945 days median pendency
ExaminerAllowance rateResolved casesPending apps
Robert Joseph Hoffberg100.0%70
Emily A Rohm100.0%20
Matthew L Reames100.0%20
Caridad Everhart100.0%20
Matthew Sinclair Muir100.0%10
Jr, Joseph Albert Miller100.0%10
Jesse Steven Kysar100.0%10
Arnold M Kinkead100.0%10
Bradley Smith100.0%10
Yuechuan Yu100.0%10
Grant Sitta100.0%10
Azm A Parvez98.5%1330
Sheila V Clark97.5%1200
Nora Taylor Nix89.9%8913
Grant S Withers88.9%4500
Asok K Sarkar88.3%1,1490
Davis Thai87.2%8860
Igwe U Anya85.1%96428
Vincent Kipkemoi Rono85.0%2012
Chandra P Chaudhari84.7%1760
Douglas M Menz78.5%1630
Eric A Ward78.3%75925
Mark W Tornow77.5%75510
Julia Slutsker76.9%1,10123
Tucker J Wright75.9%74413
Steven J Fulk75.4%3950
Halee Paige Cramer74.6%6310
Dmitriy Yemelyanov74.1%57629
Natalia A Gondarenko72.8%91338
Jenny L Wagner72.0%2570
David A Zarneke71.0%82239
Ali Naraghi68.4%1170
Eric K Ashbahian68.1%50237
Peniel M Gumedzoe66.9%3260
David William Ward62.5%8050
Matthew W Such61.2%2860
Minchul Yang60.8%3340
Priya M Rampersaud60.7%1780
Mark Hatzilambrou57.3%2530
Matthew C Landau47.7%443
Abbigale A Boyle46.9%640
Damon A Hillman42.6%470
Antonio B Crite27.3%220
John Doyle20.0%100
Kiesha Rose Bryant6.2%160
Matthew D Bottomly0.0%10
Kyle Preston Burrus—01

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2891?

69.5% over the last five years, across 4,851 resolved applications.

Which examiners in Art Unit 2891 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Azm A Parvez (98.5%, 133 resolved), Sheila V Clark (97.5%, 120 resolved), Nora Taylor Nix (89.9%, 89 resolved).

Which examiners in Art Unit 2891 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Damon A Hillman (42.6%, 47 resolved), Abbigale A Boyle (46.9%, 64 resolved), Matthew C Landau (47.7%, 44 resolved).

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