Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2117: Examiners and Allowance Rates

51 examiners • 16 with pending office actions • Computing & Software (Tech Center 2100)

Art unit baseline (last 5 years, 3,027 dispositions): 59% allowance rate • 3.2 office actions per allowance • 972 days median pendency
ExaminerAllowance rateResolved casesPending apps
Hawa Z Dirie100.0%40
Charles J Cai100.0%30
Tara Rose E Carter100.0%10
William Xiang Zhang100.0%10
Haoshian Shih100.0%10
Fredrick C Conley100.0%10
Neeta A Darnule100.0%10
Brian D Martin100.0%10
Md Abul K Azad100.0%10
Cynthia H Britt93.4%5480
David Ton93.0%2580
Phung M Chung89.2%4540
Christopher E Everett88.7%9726
Mark A Connolly87.0%1080
John P Trimmings86.0%4580
Christine Trinh Le Tu85.4%2610
Jason Lin84.6%45522
Crystal Joy Barnes-Bullock83.5%1589
Tejal Gami83.3%1200
Darrin D Dunn82.8%33223
Demetrios C Kerveros82.7%5780
John J Tabone Jr.82.6%4260
Guerrier Merant82.6%6710
Daniel F Mcmahon81.9%5080
Christopher W Carter80.0%28028
Steven D Radosevich80.0%150
Alicia M Choi79.4%37915
Dipakkumar B Gandhi79.1%4260
Michael D Masinick78.8%1650
Thien Dang Nguyen78.4%2320
Emilio J Saavedra76.6%36720
Magdalena Izabella Kossek75.0%1623
Brian T Mcmenemy70.7%580
Hung H Dang70.4%540
Maria N Von Buhr70.1%2040
Rong Tang69.4%360
Marzia T Monty69.4%627
Sazzad Hossain66.7%570
Steve N Nguyen61.9%3120
Ajay M Bhatia59.3%270
Olvin Lopez Alvarez55.2%24129
Robert E Fennema54.5%2214
Yvonne Trang Follansbee53.7%12126
Shen Wang50.0%20
Vi N Tran46.0%11325
Jennifer L Norton45.0%20031
Rocio Del Mar Perez-Velez29.2%240
April Ying Shan Blair0.0%50
Mostofa Ahmed Hisham0.0%10
Jason Junsoo Choi—012
Nikolaos Phillip Zervos—07

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2117?

59.5% over the last five years, across 3,027 resolved applications.

Which examiners in Art Unit 2117 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Cynthia H Britt (93.4%, 548 resolved), David Ton (93.0%, 258 resolved), Phung M Chung (89.2%, 454 resolved).

Which examiners in Art Unit 2117 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Jennifer L Norton (45.0%, 200 resolved), Vi N Tran (46.0%, 113 resolved), Yvonne Trang Follansbee (53.7%, 121 resolved).

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