Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2166: Examiners and Allowance Rates

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

Art unit baseline (last 5 years, 3,445 dispositions): 68% allowance rate • 2.2 office actions per allowance • 917 days median pendency
ExaminerAllowance rateResolved casesPending apps
Sanjiv Shah100.0%40
Paul Kim100.0%10
Midys Rojas100.0%10
Noosha Arjomandi97.7%8610
Cheryl Renea Lewis96.0%2235
Mohammad Azam Sana86.3%73113
Isaac M Woo85.3%1910
Kweku William Halm79.2%26422
Samuel Sharpless75.5%1020
Van Hong Oberly75.2%6163
Syling Yen74.9%84611
Eliyah Stone Harper73.5%78013
Diedra M Mcquitery73.3%3524
Khanh B Pham72.3%85626
Jieying Tang72.2%1150
Sangwoo Ahn69.8%1990
Amy Ng67.0%1000
Srirama T Channavajjala66.7%90
Faezeh Forouharnejad66.4%11010
Ranjit P Doraiswamy64.2%1938
Johnese T Johnson63.6%1980
Shew Fen Lin63.2%4100
Usmaan Saeed61.2%980
Ahmed M Abraham58.1%430
Navneet K Gmahl57.5%4009
Reza Hosseini53.2%790
Tony Wu53.2%2228
Brooks T Hale52.7%9121
Bruce A Witzenburg45.8%1200
Ann J Lo39.4%1550
Mark D Featherstone35.7%140
Joseph D Wong15.8%190
Hosain T Alam0.0%60
Jacob F Betit0.0%50
Sergio Jose Curbelo III0.0%20
Joon H Hwang0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2166?

68.2% over the last five years, across 3,445 resolved applications.

Which examiners in Art Unit 2166 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Noosha Arjomandi (97.7%, 86 resolved), Cheryl Renea Lewis (96.0%, 223 resolved), Mohammad Azam Sana (86.3%, 731 resolved).

Which examiners in Art Unit 2166 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Ann J Lo (39.4%, 155 resolved), Bruce A Witzenburg (45.8%, 120 resolved), Brooks T Hale (52.7%, 91 resolved).

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