Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2875: Examiners and Allowance Rates

88 examiners • 40 with pending office actions • Semiconductors, Circuits & Optics (Tech Center 2800)

Art unit baseline (last 5 years, 20,235 dispositions): 66% allowance rate • 3.0 office actions per allowance • 671 days median pendency
ExaminerAllowance rateResolved casesPending apps
Mariceli Santiago100.0%1417
David J Makiya100.0%10
Mark R Gaworecki100.0%10
Prashant J Khatri100.0%10
Minh Toan T Ton100.0%10
Bumsuk Won100.0%10
Ricky Levern Mack100.0%10
Thai N Pham100.0%10
Robert A Vetere100.0%10
Jie Lei100.0%10
Jose Diaz97.1%24010
Ashok Patel96.4%1390
Tracie Y Green96.4%50019
Anne M Hines96.3%3539
Kevin J Quarterman96.1%20718
Christopher M Raabe95.3%23618
James R Greece95.0%1412
Donald L Raleigh95.0%4000
Vip Patel95.0%400
Joseph L Williams92.9%21215
Thomas M Sember89.0%76213
Mary Ellen Bowman88.7%98818
Ali Alavi88.0%7090
Anabel Ton87.5%1,2618
Robert J May87.5%7186
Laura K Tso86.6%1,2400
Peggy A Neils84.8%7960
David Vernon Bruce84.7%3930
Hana Sanei Featherly84.5%35512
Stephen F Husar84.4%5450
John A Ward83.6%550
Bao Q Truong83.4%1,0903
Elmito Breval82.6%1,07434
Y My Quach Lee82.4%5160
Karabi Guharay82.1%6150
Alan B Cariaso81.6%5550
Keith G Delahoussaye80.4%43811
Ismael Negron79.5%63915
James W Cranson Jr.79.3%2850
Glenn D Zimmerman78.7%5550
Hargobind S Sawhney78.6%2760
Evan P Dzierzynski77.5%1,1756
William N Harris77.4%78715
Bryon T Gyllstrom76.8%72916
Christopher E Dunay76.5%75620
Meghan K Ulanday75.2%7790
Andrew J Coughlin74.8%4690
Britt D Hanley74.3%3730
Gerald J Sufleta II73.1%6654
Julie A Bannan72.6%5361
Omar Rojas Cadima72.2%61514
Tsion M Tumebo71.8%69822
Leah Simone Macchiarolo71.3%2960
Michael Chiang70.7%41310
Zheng B Song70.2%78316
Zachary J Snyder68.8%2950
Matthew J Peerce68.3%57522
Steven Y Horikoshi68.3%4200
Jason Han68.1%1,0105
Eric T Eide67.0%44516
Alexander K Garlen66.8%4316
Nathaniel J. Lee66.7%62124
Sean P Gramling66.6%1,13714
Erin Kryukova66.4%58418
James M Endo65.9%3960
Jessica Mcmillan Apenteng65.3%99120
Arman B Fallahkhair64.3%5610
Danielle Nicole Allen63.1%4850
William Joseph Carter62.7%1,01610
Gunyoung T Lee60.1%1530
Colin J Cattanach59.1%56715
Sharon E Payne55.8%6970
Fatima N Farokhrooz55.1%59533
Abdulmajeed Aziz52.5%406
Naomi M Wolford51.7%2070
Michael A Nadeau50.0%20
Mary Elizabeth Mcmanmon41.7%3380
Jong Suk Lee39.7%6311
Mark Tsidulko39.1%2150
Oluseye Iwarere36.4%110
Kenny C Sokolowski35.5%620
Mitchell W Errett13.2%530
Diane I Lee3.8%1040
Anh T Mai0.0%130
Sandra L O Shea0.0%80
Bushara A Bushara Dosa0.0%30
Cassandra A Bazemore0.0%10
Wayne Walter Smith0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2875?

65.6% over the last five years, across 20,235 resolved applications.

Which examiners in Art Unit 2875 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Jose Diaz (97.1%, 240 resolved), Ashok Patel (96.4%, 139 resolved), Tracie Y Green (96.4%, 500 resolved).

Which examiners in Art Unit 2875 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Diane I Lee (3.8%, 104 resolved), Mitchell W Errett (13.2%, 53 resolved), Kenny C Sokolowski (35.5%, 62 resolved).

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