Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2613: Examiners and Allowance Rates

56 examiners • 13 with pending office actions • Communications (Tech Center 2600)

Art unit baseline (last 5 years, 4,447 dispositions): 69% allowance rate • 3.4 office actions per allowance • 811 days median pendency
ExaminerAllowance rateResolved casesPending apps
Xiao Min Wu100.0%1611
Kee M Tung100.0%30
David Donald Davis100.0%10
Xiao Liu100.0%10
Jai Wei Tommy Li100.0%128
Phong X Nguyen93.3%890
Chong Wu86.7%51111
Dalzid E Singh86.4%1990
David T Welch86.1%15123
Javid A Amini85.9%2550
Mohammad Reza Sedighian85.1%2220
Yingchun He84.8%61912
Phi Hoang84.3%6440
Charles Tseng83.1%59617
Hanh Phan81.0%3210
Dzung D Tran80.4%2910
Alan T Buttram80.4%5970
Jeffery A Brier80.4%66310
Leslie C Pascal80.1%2810
Tize Ma79.2%4480
Steven Z Elbinger78.4%3520
Latrell Anthony Creary77.3%4410
Ahmed Taha76.9%130
Scott E Sonners76.7%17612
Yu Chen75.4%4760
Edward Martello75.1%5100
Matthew D Salvucci75.1%46525
Christina Y Leung74.6%670
George Nicholas Renze74.4%3912
Michael J Cobb73.9%3180
Mohammad H Akhavannik69.8%1790
Hibret Asnake Woldekidan68.2%1540
Nathan M Cors67.0%2610
Jermaine J Wilson66.7%30
Rajsheed O Black-Childress66.7%30
Sarah Lhymn66.1%56720
Wai Lun Leung65.6%1540
Li Liu65.0%2060
Greg A Raburn64.7%170
Jin Cheng Wang62.4%1170
Quan Zhen Wang61.0%1230
Tanya Theresa Ngo Motsinger60.0%1000
Agustin Bello59.7%2310
Abbas H Alagheband58.6%290
Daniel G Dobson58.6%1520
Oommen Jacob54.4%1030
Ryan Allen Barham52.9%1717
Shi K Li52.1%1690
Amritbir K Sandhu50.0%180
David S Kim41.2%170
Darren E Wolf35.7%420
Hoai Van Le27.8%180
Amine Benlagsir25.0%80
Kenneth N Vanderpuye0.0%380
Cody W Lamb0.0%60
David H Namgung0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2613?

68.8% over the last five years, across 4,447 resolved applications.

Which examiners in Art Unit 2613 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Phong X Nguyen (93.3%, 89 resolved), Chong Wu (86.7%, 511 resolved), Dalzid E Singh (86.4%, 199 resolved).

Which examiners in Art Unit 2613 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Kenneth N Vanderpuye (0.0%, 38 resolved), Darren E Wolf (35.7%, 42 resolved), Shi K Li (52.1%, 169 resolved).

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