Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1764: Examiners and Allowance Rates

33 examiners • 16 with pending office actions • Chemistry & Materials (Tech Center 1700)

Art unit baseline (last 5 years, 6,155 dispositions): 55% allowance rate • 2.6 office actions per allowance • 886 days median pendency
ExaminerAllowance rateResolved casesPending apps
Susannah Lee Chung100.0%70
Fred M Teskin100.0%30
Robert A Vetere100.0%10
Bobby Yeonjin Kim100.0%10
Jessica Whiteley100.0%10
Jafar F Parsa100.0%10
Irina Neagu100.0%10
Michael Bernshteyn88.5%3210
Joseph David Anthony83.6%34823
Arrie L Reuther83.1%8318
Hannah J Pak82.5%1,12222
Henry S Hu80.0%6060
Mark S Kaucher74.8%95831
Robert T Butcher74.3%38238
David Roger Foss74.2%13218
Robert C Boyle72.0%1,05928
Richard A Huhn70.1%84530
Tri V Nguyen69.3%87422
Doris L Lee62.2%98734
Devin Mitchell Darling60.0%4041
Kregg T Brooks57.0%74735
Melissa A Rioja57.0%29338
Karuna P Reddy44.5%74251
Anthony H Sheh44.0%250
Amina S Khan42.9%840
Stephen Edward Rieth40.7%5080
Irina Krylova36.8%71853
Preeti Kumar33.0%2270
Doris Ling25.0%2437
Patrick Loen Benitez21.1%190
Vasudevan Salem Jagannathan5.3%190
Gregory P Liesen0.0%20
Ming Cheung Po0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1764?

54.5% over the last five years, across 6,155 resolved applications.

Which examiners in Art Unit 1764 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Michael Bernshteyn (88.5%, 321 resolved), Joseph David Anthony (83.6%, 348 resolved), Arrie L Reuther (83.1%, 83 resolved).

Which examiners in Art Unit 1764 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Preeti Kumar (33.0%, 227 resolved), Irina Krylova (36.8%, 718 resolved), Stephen Edward Rieth (40.7%, 508 resolved).

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month