Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2152: Examiners and Allowance Rates

40 examiners • 5 with pending office actions • Computing & Software (Tech Center 2100)

Art unit baseline (last 5 years, 2,387 dispositions): 65% allowance rate • 4.4 office actions per allowance • 1,015 days median pendency
ExaminerAllowance rateResolved casesPending apps
Van Kim T Nguyen100.0%40
Tauqir Hussain100.0%30
Nan Hutton100.0%20
Thomas J Dailey100.0%20
Julian Chang100.0%20
Philip C Lee100.0%20
Phong H Nguyen100.0%10
Hosain T Alam100.0%10
Mohammad Ali100.0%10
Lan Dai T Truong100.0%10
Jorge A Casanova100.0%10
Jamara Alzaida Franklin100.0%10
Aleksandr Kerzhner100.0%10
Wilson Lee89.6%1640
Scott A Waldron85.8%2330
Evan S Aspinwall84.8%5260
Binh Van Ho84.6%2010
Dennis Truong80.6%3500
Cheyne D Ly79.1%39813
Matthew J Ellis77.8%20712
Paul Kim77.7%2470
Dohm Chankong75.0%80
Dawaune A Conyers74.5%38116
Te Y Chen72.9%590
Brian P Whipple66.7%30
Hubert G Cheung65.0%14314
John J Morris62.8%1290
Charles D Adams55.4%25819
Irene H Baker53.0%2470
Katriel Y Chiu50.0%420
Neveen Abel Jalil50.0%180
Kenny S Lin50.0%40
Duyen My Doan40.0%50
Joe Chacko0.0%20
Richard G Keehn0.0%20
Hua Fan0.0%20
Kevin S Mai0.0%10
Muluemebet Gurmu0.0%10
Tariq S Najee-Ullah0.0%10
Leah M Feitl0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2152?

64.7% over the last five years, across 2,387 resolved applications.

Which examiners in Art Unit 2152 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Wilson Lee (89.6%, 164 resolved), Scott A Waldron (85.8%, 233 resolved), Evan S Aspinwall (84.8%, 526 resolved).

Which examiners in Art Unit 2152 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Katriel Y Chiu (50.0%, 42 resolved), Irene H Baker (53.0%, 247 resolved), Charles D Adams (55.4%, 258 resolved).

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