Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2686: Examiners and Allowance Rates

52 examiners • 17 with pending office actions • Communications (Tech Center 2600)

Art unit baseline (last 5 years, 3,125 dispositions): 67% allowance rate • 3.2 office actions per allowance • 822 days median pendency
ExaminerAllowance rateResolved casesPending apps
Fred Tzeng100.0%40
Jr., Willard A Edwards100.0%30
Nam V Nguyen100.0%10
Mark S Rushing100.0%10
Adnan Aziz100.0%10
Kwasi Karikari100.0%10
Dionne Pendleton100.0%10
Daryl C Pope97.9%24016
Ali Neyzari95.0%1000
Thomas D Alunkal94.2%10319
Nabil Z Hindi94.1%3390
Thomas S Mccormack91.6%2148
Tan X Dinh91.0%4220
Sisay Yacob90.5%2318
Allen T Cao90.2%2850
Muhammad N Edun89.9%1480
Jack K Wang89.2%3713
Shirley Lu89.1%2570
Hung T Nguyen89.1%1100
Peter Vincent Agustin88.6%3070
Cal J Eustaquio88.2%12718
Mark S Blouin87.6%1370
Kerri L Mcnally87.4%1676
Paul W Huber84.3%1020
Nabil H Syed84.0%2000
An T Nguyen83.2%14913
William Joseph Klimowicz82.1%2010
Thang V Tran81.8%440
Carlos E Garcia80.1%21620
Thang Duc Tran79.3%17424
James Lee Habermehl78.3%230
James J Yang78.0%20042
Omeed Alizada77.3%28620
Anthony D Afrifa-Kyei76.4%14818
Hongmin Fan76.1%3010
Vernal U Brown74.2%53825
Omer S Khan73.5%16615
Dismery E Mercedes72.4%760
Mancil H Littlejohn Jr.70.8%1610
Andrew L Sniezek67.9%280
Andrew Sasinowski66.7%60
Benyam Haile66.1%2210
Ryan W Sherwin66.0%2530
Muhammad Adnan56.7%1870
Kam Wan Ma50.0%660
Kaleria Knox48.5%330
Mark L Fischer48.1%520
Emily J Frank33.3%30
Brian A Zimmerman30.0%109
Steven Lim0.0%40
Rufus C Point0.0%10
Joshua Dwayne Marshall—03

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2686?

66.5% over the last five years, across 3,125 resolved applications.

Which examiners in Art Unit 2686 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Daryl C Pope (97.9%, 240 resolved), Ali Neyzari (95.0%, 100 resolved), Thomas D Alunkal (94.2%, 103 resolved).

Which examiners in Art Unit 2686 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Mark L Fischer (48.1%, 52 resolved), Kaleria Knox (48.5%, 33 resolved), Kam Wan Ma (50.0%, 66 resolved).

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