Prosecution Insights
Last updated: October 08, 2026

USPTO Art Unit 2893: Examiners and Allowance Rates

90 examiners • 44 with pending office actions • Semiconductors, Circuits & Optics (Tech Center 2800)

Art unit baseline (last 5 years, 8,435 dispositions): 79% allowance rate • 4.2 office actions per allowance • 1,300 days median pendency
ExaminerAllowance rateResolved casesPending apps
Kieran Murray Cunningham100.0%331
Noor Mohammad Ism Tahir100.0%30
Thomas K Pham100.0%20
Jaime Lynn Sprenger100.0%220
Connor Lewis French100.0%20
Trung Q Nguyen100.0%10
Molly K Devine100.0%10
Jimmy T Vu100.0%10
William Serrano-Garcia100.0%10
Jennifer Doak Carruth100.0%10
Hang Lin100.0%10
Joseph Lewis Bell100.0%10
Matthew S Smith100.0%10
Seung C Sohn100.0%10
Jonathan A Boyd100.0%10
Grant Sitta100.0%10
Roshn K Varghese100.0%10
Charlee Bennett100.0%10
Jarurat Suteerawongsa100.0%10
Shelby Lee Fidler100.0%10
Jany Richardson100.0%10
Bijan Ahvazi100.0%10
Allison Bernstein100.0%10
Hung Nguyen100.0%10
Yuechuan Yu100.0%10
Nduka E Ojeh100.0%10
David C Spalla99.4%16415
Vicki B Booker99.1%1110
Michael Lebentritt98.5%32915
Suberr L Chi98.1%15620
Errol V Fernandes98.0%20121
Michelle Mandala97.5%24421
Jordan M Klein96.7%15019
Nikolay K Yushin93.3%1,7950
Shaun M Campbell93.0%27226
Kevin V Quinto93.0%14321
Vongsavanh Sengdara92.8%23657
Carnell Hunter III92.8%6917
Jason James Greaving92.2%6414
Syed I Gheyas92.1%16434
Sitaramarao S Yechuri91.9%22234
Edward Chin91.6%21520
Joseph Schoenholtz91.5%1,14117
Victor V Barzykin91.2%11418
Elias Ullah90.6%74223
Raj R Gupta90.1%14222
Daniel B Whalen90.1%30440
Tessa Elizabeth Mcnamee87.5%80
Tony Tran86.9%19143
Yara B Green86.9%610
Dzung Tran86.7%26336
Eduardo A Rodela86.2%1,08025
Benjamin Michael Kupp86.1%3620
Casey Paul Boatman84.1%8217
Teresa M Arroyo84.1%12641
Nilufa Rahim83.6%48126
Ngan V Ngo83.2%3520
John A Bodnar83.0%59922
Fakeha Sehar82.7%10431
Akhee Sarker-Nag81.9%7221
William Clarence Trice III81.8%5523
Thanh T Nguyen81.2%91423
Britt D Hanley81.0%420
Ahmed N Sefer80.7%7740
Monica D Harrison79.6%1520
Aneta B Cieslewicz79.1%6716
Seyon Ali-Simah Punchbeddell77.3%8827
Jack S J Chen76.8%57728
Dilinh P Nguyen75.5%2780
Benjamin T Liu75.1%72231
Nicholas J Choi73.7%190
Farid H Khan72.3%1730
Davienne N Monbleau71.4%70
Steven B Gauthier70.9%2890
Matthew L Reames70.1%6450
Hoa B Trinh70.0%3270
Ermias T Woldegeorgis70.0%72045
Tuan N Quach69.7%1850
Shweta Prasad Mulcare69.2%520
Seth Douglas Frie Lawson66.7%120
Christopher M Roland64.8%55430
Erika Heera Son64.5%3120
Coralie Ann Nettles63.4%4141
Sue A Purvis61.8%3417
Anh D Mai59.2%13034
Vincent Wall54.7%2140
Sophia T Nguyen53.0%13262
Allen L Parker51.0%980
Hajar Kolahdouzan48.3%600
Tom Thomas0.0%230

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2893?

79.0% over the last five years, across 8,435 resolved applications.

Which examiners in Art Unit 2893 have the highest allowance rates?

Among examiners with at least 30 resolved applications: David C Spalla (99.4%, 164 resolved), Vicki B Booker (99.1%, 111 resolved), Michael Lebentritt (98.5%, 329 resolved).

Which examiners in Art Unit 2893 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Hajar Kolahdouzan (48.3%, 60 resolved), Allen L Parker (51.0%, 98 resolved), Sophia T Nguyen (53.0%, 132 resolved).

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