Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1772: Examiners and Allowance Rates

55 examiners • 15 with pending office actions • Chemistry & Materials (Tech Center 1700)

Art unit baseline (last 5 years, 5,308 dispositions): 59% allowance rate • 3.1 office actions per allowance • 1,171 days median pendency
ExaminerAllowance rateResolved casesPending apps
Sun U Kim100.0%1038
Jessica Margaret Whitman100.0%40
Fidan Bersin100.0%20
Wilson Gallardo Mendoza100.0%224
Richard C Gurtowski100.0%10
Bachar El Haj Hassan100.0%17
Robert A Hopkins100.0%10
Ryan Huang100.0%10
Adam Adrien Germain100.0%10
Bradley R Spies100.0%10
Ellen M Mcavoy100.0%10
Jennifer M Dieterle100.0%10
Connor Jon Rotondi100.0%10
Dung H Bui85.2%1620
Brian A Mccaig82.3%84617
Robert Arthur Clemente80.1%1760
Thuan D Dang80.0%6200
Jonathan Miller79.5%83818
Sharon Pregler78.7%87430
Derek N Mueller77.5%3560
Jason M Greene76.9%1820
Anthony R Shumate76.8%820
Ali Z Fadhel76.8%50413
Gabriel E Gitman76.3%46517
Renee E Robinson75.5%72632
Tam M Nguyen73.9%4370
Karla Hawkins73.6%1060
Jason Y Chong73.3%40917
Bradley Etherton73.2%2090
Brian J Sines72.1%1220
Youngsul Jeong71.6%74320
Lore Ramillano Jarrett68.4%1330
Samuel P Siefke64.5%1410
Alyssa L Cepluch64.5%43733
Jonathan L Pilcher64.3%62124
Paul Sang Hwa Hyun63.9%2270
Joseph W Drodge62.3%690
Philip Y Louie60.3%4990
Timothy G Kingan59.8%920
Jennifer Wecker59.3%860
Benjamin M Kurtz58.1%310
Bryan T Kilpatrick56.2%800
Aaron W Pierpont52.9%2080
Candace R Chouinard46.7%300
Elizabeth C Cardin44.4%90
Dennis Michael White39.3%2570
Robert J Eom39.2%1760
Terry K Cecil35.5%310
Madeline Gonzalez35.3%170
In Suk C Bullock31.4%10515
Jelitza M Perez25.0%40
Briana M Obenhuber14.3%140
Eric S Ruppert0.0%10
Krishnan S Menon0.0%10
Nathan Ngoc-Ngoc Hoang—08

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1772?

59.5% over the last five years, across 5,308 resolved applications.

Which examiners in Art Unit 1772 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Dung H Bui (85.2%, 162 resolved), Brian A Mccaig (82.3%, 846 resolved), Robert Arthur Clemente (80.1%, 176 resolved).

Which examiners in Art Unit 1772 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: In Suk C Bullock (31.4%, 105 resolved), Terry K Cecil (35.5%, 31 resolved), Robert J Eom (39.2%, 176 resolved).

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