Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2893: Examiners and Allowance Rates

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

Art unit baseline (last 5 years, 8,508 dispositions): 79% allowance rate • 4.3 office actions per allowance • 1,303 days median pendency
ExaminerAllowance rateResolved casesPending apps
Kieran Murray Cunningham100.0%326
Thomas K Pham100.0%20
Noor Mohammad Ism Tahir100.0%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
Mohammad M Hoque100.0%10
Chun-Nan Lin100.0%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
Olga Aronovich100.0%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%16516
Vicki B Booker99.1%1110
Michael Lebentritt98.5%33012
Suberr L Chi98.1%16116
Errol V Fernandes98.1%20717
Michelle Mandala97.6%24518
Jordan M Klein96.7%15314
Nikolay K Yushin93.3%1,80010
Shaun M Campbell93.1%27430
Kevin V Quinto93.1%14419
Carnell Hunter III92.9%7019
Vongsavanh Sengdara92.8%23651
Syed I Gheyas92.4%17226
Jason James Greaving92.2%6412
Edward Chin91.9%22123
Sitaramarao S Yechuri91.6%22730
Joseph Schoenholtz91.5%1,14316
Elias Ullah90.6%74618
Victor V Barzykin90.4%11518
Daniel B Whalen90.2%30640
Raj R Gupta90.1%14223
Tessa Elizabeth Mcnamee87.5%80
Yara B Green86.9%610
Dzung Tran86.8%26633
Eduardo A Rodela86.3%1,08620
Tony Tran85.3%19741
Casey Paul Boatman84.5%8413
Teresa M Arroyo84.3%12740
Nilufa Rahim83.6%48328
Ngan V Ngo83.2%3520
John A Bodnar83.0%60120
Fakeha Sehar82.7%10431
William Clarence Trice III82.1%5619
Akhee Sarker-Nag81.9%7222
Benjamin Michael Kupp81.6%3824
Thanh T Nguyen81.2%91725
Britt D Hanley81.0%420
Ahmed N Sefer80.7%7740
Monica D Harrison79.6%1520
Aneta B Cieslewicz78.3%6918
Seyon Ali-Simah Punchbeddell77.8%9029
Jack S J Chen76.6%57825
Dilinh P Nguyen75.5%2780
Benjamin T Liu75.1%72331
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 Woldegeorgis69.9%72251
Tuan N Quach69.7%1850
Shweta Prasad Mulcare69.2%520
Seth Douglas Frie Lawson66.7%120
Sue A Purvis64.9%3713
Christopher M Roland64.8%55727
Erika Heera Son64.5%3121
Coralie Ann Nettles60.5%4346
Anh D Mai59.2%13033
Vincent Wall54.7%2140
Sophia T Nguyen53.0%13458
Allen L Parker51.0%980
Hajar Kolahdouzan48.3%600
Tom Thomas0.0%230
Austin Taylor Woodard—011
Gerald Henry Bissell—04
Sean Michael Davis—01

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2893?

79.0% over the last five years, across 8,508 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%, 165 resolved), Vicki B Booker (99.1%, 111 resolved), Michael Lebentritt (98.5%, 330 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%, 134 resolved).

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