Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2151: Examiners and Allowance Rates

32 examiners • 14 with pending office actions • Computing & Software (Tech Center 2100)

Art unit baseline (last 5 years, 774 dispositions): 81% allowance rate • 2.9 office actions per allowance • 917 days median pendency
ExaminerAllowance rateResolved casesPending apps
Zarni Maung100.0%60
Alan S Chou100.0%30
Joseph R Kudirka100.0%30
Karen C Tang100.0%20
Wayne Scott Murray100.0%10
Frantz B Jean100.0%10
Cheryl Renea Lewis100.0%10
Michael Le100.0%10
Kamal B Divecha100.0%10
Michael D Yaary99.0%10416
Matthew D Sandifer96.9%658
Francisco Javier Aponte94.4%1244
Bing Zhao91.6%955
Eric Nilsson91.2%11419
Jay A Morrison90.8%14115
Brian W Wathen89.5%959
John B Walsh83.3%120
James K Trujillo77.8%91
Markus Anthony Villanueva75.0%3619
Nghi V Tran75.0%40
Khanh Q Dinh75.0%40
Carlo C Waje72.1%6135
Jakob Oscar Gudas68.4%1917
Imad Hussain66.7%30
Maria De Jesus Rivera60.7%2817
Justin R Blaufeld59.4%10640
Anthony Mejia33.3%30
Saket K Daftuar25.0%40
Matthew S Lindsey0.0%20
Dhairya A Patel0.0%10
Trevillian H Highter0.0%10
John J Morris—018

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2151?

81.0% over the last five years, across 774 resolved applications.

Which examiners in Art Unit 2151 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Michael D Yaary (99.0%, 104 resolved), Matthew D Sandifer (96.9%, 65 resolved), Francisco Javier Aponte (94.4%, 124 resolved).

Which examiners in Art Unit 2151 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Justin R Blaufeld (59.4%, 106 resolved), Carlo C Waje (72.1%, 61 resolved), Markus Anthony Villanueva (75.0%, 36 resolved).

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