Prosecution Insights
Last updated: October 08, 2026

USPTO Art Unit 2600: Examiners and Allowance Rates

22 examiners • 1 with pending office actions • Communications (Tech Center 2600)

Art unit baseline (last 5 years, 156 dispositions): 85% allowance rate • 3.2 office actions per allowance • 914 days median pendency
ExaminerAllowance rateResolved casesPending apps
John E Barlow Jr.100.0%890
Haixia Du100.0%110
James S Wozniak100.0%40
Michelle M Koeth100.0%30
Yuwen Pan100.0%20
Oneal R Mistry100.0%10
Nizar N Sivji100.0%10
Xiao Min Wu100.0%10
Davetta Woods Goins100.0%10
Nicholas C Pachol100.0%10
Dov Popovici100.0%10
Anthony S Addy100.0%10
Matthew D Anderson100.0%10
Kathy W Wang-Hurst100.0%10
Mark R Milia100.0%10
Jinsong Hu80.0%50
Alison T Slater60.0%50
Daniel Swerdlow33.3%300
Curtis A Kuntz0.0%10
Gregory J Tryder0.0%10
David Louis Ometz0.0%10
Duc Minh Nguyen—07

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2600?

84.6% over the last five years, across 156 resolved applications.

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