Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2178: Examiners and Allowance Rates

62 examiners • 13 with pending office actions • Computing & Software (Tech Center 2100)

Art unit baseline (last 5 years, 3,620 dispositions): 61% allowance rate • 4.8 office actions per allowance • 968 days median pendency
ExaminerAllowance rateResolved casesPending apps
Kieu D Vu100.0%10
Daniel Samwel100.0%10
Deeprose D Subedi100.0%10
Cao H Nguyen100.0%10
Laurie Anne Ries98.6%2110
Toan H Vu93.8%9710
William D Titcomb93.7%25313
Mohammed H Zuberi92.4%11916
Di Xiao90.3%12420
Darrin Hope84.3%11520
Daniel Rodriguez84.2%14614
Nicholas Augustine80.0%29029
Cong Lac T Huynh77.4%5080
Broderick C Anderson76.1%25911
Gregory J Vaughn74.9%3030
Shahid K Khan71.1%2910
James Gregory Pohlman69.6%230
Sanchita Roy69.0%2130
Tionna M Burke68.3%13937
Manglesh M Patel67.6%4690
Thu V Huynh66.7%840
Matthew J Ludwig65.5%3770
Sherrod L Keaton64.8%910
I Chan Yang64.6%480
Joshua D Campbell63.8%470
Samir Termanini61.5%130
Asher Kells60.7%840
Andrew D Stclair60.0%5124
Kyle R Stork58.8%3130
Hope Cornell Sheffield58.6%1910
Alvin H Tan58.5%1640
Omar R Abdul-Ali58.3%120
Keith D Bloomquist58.0%5600
Marshon L Robinson56.7%3210
Joseph R Burwell56.2%160
Wilson W Tsui54.7%4550
Mario M Velez-Lopez54.4%570
Ahamed I Nazar53.9%39318
Cesar B Paula51.7%600
Adam M Queler51.6%640
Terri L Filosi50.0%40
Nicholas Hasty47.5%2840
Adam L Basehoar47.1%680
Michael E Scott46.7%150
Carl E Barnes Jr.41.1%9023
Phenuel S Salomon40.0%100
David Faber39.3%610
Christopher D Bryant37.8%370
Tyler J Schallhorn36.0%250
Stephen S Hong34.8%6610
Yasin K Patterson34.8%230
Xuyang Xia30.0%100
Aaron V Bennion23.5%170
Richard M Russell23.5%170
Phoebe X Pan11.1%90
William Wong8.3%120
Christyann R Pulliam5.3%190
Andres E Gutierrez0.0%40
Patrick Marinelli0.0%10
Sarang Afzali0.0%10
Cordelia P K Zecher0.0%10
Jacob F Betit0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2178?

61.2% over the last five years, across 3,620 resolved applications.

Which examiners in Art Unit 2178 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Laurie Anne Ries (98.6%, 211 resolved), Toan H Vu (93.8%, 97 resolved), William D Titcomb (93.7%, 253 resolved).

Which examiners in Art Unit 2178 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Stephen S Hong (34.8%, 66 resolved), Christopher D Bryant (37.8%, 37 resolved), David Faber (39.3%, 61 resolved).

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