Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2834: Examiners and Allowance Rates

112 examiners • 45 with pending office actions • Semiconductors, Circuits & Optics (Tech Center 2800)

Art unit baseline (last 5 years, 13,506 dispositions): 68% allowance rate • 3.1 office actions per allowance • 934 days median pendency
ExaminerAllowance rateResolved casesPending apps
Christopher S Leone100.0%140
Christopher Stephen Schaller100.0%60
Elrasheed E.B. Hamdan100.0%50
Rohit Singh100.0%30
Nelson R Burgos-Guntin100.0%30
Selim Rashed Zoorob100.0%30
John W Poos100.0%20
David Owen Johnson100.0%20
Oscar C Jimenez100.0%10
Bernard Rojas100.0%10
Marcus E Harcum100.0%10
Gregory Robert Weber100.0%10
Jose K Abraham100.0%10
Mai Thi Ngoc Tran100.0%10
Pinping Sun100.0%10
Aaron M Dunwoody100.0%10
Hong Zhou100.0%10
Cortez M Cook100.0%10
Bickey Dhakal100.0%10
John Michael Larson100.0%10
Sreeya Sreevatsa100.0%10
Edwin Young100.0%10
Katherine A Christy100.0%10
Michelle Lopez100.0%10
Deeprose D Subedi100.0%10
Geraldina Visconti100.0%10
Changhyun Yi100.0%10
Tony Joseph100.0%10
Antony M Paul100.0%10
Jennifer Doan100.0%10
Amara Anderson100.0%10
Adrian S Wilson100.0%10
Bumsuk Won100.0%10
Shafiq A Mian100.0%10
Nael N Babaa100.0%10
Joshua R Beebe100.0%10
Michael R Baraniecki100.0%10
Kenneth L Thompson100.0%10
Gary F Paumen94.9%75029
Tho Dac Ta94.3%31420
Truc T Nguyen94.0%46824
Neil Abrams93.8%1948
Christopher M Koehler93.1%1162
Ross N Gushi92.6%48627
Tulsidas C Patel91.7%2411
Jeffrey Wightman Mountain90.5%6316
Oluseye Iwarere90.0%502
Carlos Emilio Lopez Pagan88.6%7014
Thaslimur Rahman88.3%6010
Thomas M Dougherty87.9%580
Mark Osborne Budd85.9%640
Phuong Chi Thi Nguyen85.7%840
Mohammed Ahmed Qureshi83.3%19227
Jaydi A San Martin82.0%500
Naishadh N Desai81.9%1,12017
Viswanathan Subramanian81.7%23522
Bryan P Gordon81.6%380
Thomas K Quigley80.9%17319
Joseph Ortega80.5%20022
Thanh Lam80.4%3310
Karen B Addison79.2%240
Hanh N Nguyen78.8%9160
Ethan Nguyen Vo78.8%6616
Dang D Le78.4%1,2080
Rashad H Johnson77.9%4258
Alexander A Singh77.1%66712
Daniel Keith Schlak76.8%6916
Ahmed Elnakib76.5%43912
Jose A Gonzalez Quinones76.1%1,19028
Maged M Almawri75.7%58523
Julio Cesar Gonzalez75.6%410
Leda T Pham74.9%1,01716
Masoud Vaziri74.3%17117
Alex W Mok74.2%1,14826
Charles H Reid Jr.73.8%14520
Thomas Truong73.5%1,30024
Joshua Kiel Miguel Rodriguez73.4%17326
Charlie Frank Mann Jr.73.3%9014
Sean A Gugger72.5%25534
David W Scheuermann72.5%1310
Tran N Nguyen72.4%1,2340
Theodore L Perkins72.3%9418
Iraj A Mohandesi72.2%180
Terrance L Kenerly72.1%97024
Minki Chang71.9%41633
Ahmed F Seck70.5%12225
Burton S Mullins68.8%1,15428
Riley Owen Stout68.6%10217
Nicholas Lee Setzer68.2%6626
John K Kim68.0%1,1800
Viet P Nguyen67.5%1979
Joseph Waks67.4%430
Pedro J Cuevas66.7%390
Gregory Lawrence Mangot66.2%6816
Michael Andrews64.5%1,25532
Eric Johnson62.3%88431
Derek John Rosenau58.5%530
Alexander Moraza57.0%2280
Robert E Mates53.2%35526
Daniel T Haile50.0%20
Karl I Tamai47.4%2280
Nicholas Ponomarenko42.1%190
Noli M. Manaloto39.1%690
Stefan Mikailoff37.9%10311
Justin Stefanon22.7%2227
Mark R Carter16.7%300
Quyen Phan Leung4.4%900
Joshua Benitez Rosario0.0%140
Micah W Payne0.0%20
Jacob F Betit0.0%20
Ramiro J Duarte0.0%10
Nader J Alhawamdeh0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2834?

68.3% over the last five years, across 13,506 resolved applications.

Which examiners in Art Unit 2834 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Gary F Paumen (94.9%, 750 resolved), Tho Dac Ta (94.3%, 314 resolved), Truc T Nguyen (94.0%, 468 resolved).

Which examiners in Art Unit 2834 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Quyen Phan Leung (4.4%, 90 resolved), Mark R Carter (16.7%, 30 resolved), Stefan Mikailoff (37.9%, 103 resolved).

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