Prosecution Insights
Last updated: October 08, 2026

USPTO Art Unit 1718: Examiners and Allowance Rates

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

Art unit baseline (last 5 years, 3,642 dispositions): 35% allowance rate • 5.7 office actions per allowance • 1,310 days median pendency
ExaminerAllowance rateResolved casesPending apps
David A Cathey Jr.100.0%110
Joseph L Perrin100.0%50
Levon J Shahinian100.0%40
Jason Y Ko100.0%30
Lauren Grace Orta100.0%30
Benjamin L Utech100.0%20
Spencer E Bell100.0%20
Tinsae B Ayalew100.0%20
Nicholas E Igbokwe100.0%10
Michael E Barr100.0%10
Christopher Remavege100.0%10
Eileen Qi-Yun Moudou100.0%10
Cristi J Tate-Sims100.0%10
Binu Thomas100.0%10
James D Sells100.0%10
Matthew W Van Oudenaren100.0%10
Gregory A Wilson100.0%10
Anthony J Green100.0%10
David G Cormier100.0%10
Jeffrie Robert Lund100.0%10
Kimberly E Glenn100.0%10
Pancham Bakshi100.0%10
Shay Lynn Karls100.0%10
Ramsey E Zacharia100.0%10
Ahmed Elnakib100.0%10
Nathan T Leong98.7%779
Bret P Chen98.3%12121
Kelly M Gambetta97.5%8034
Mandy C Louie97.5%4020
Tabassom Tadayyon Eslami79.2%17334
Yuechuan Yu68.1%51810
Todd Michael Seoane61.5%130
Charlee Bennett58.6%56347
Marc Lorenzi54.3%1970
Kurt D Sweely52.4%23337
Omair Chaudhri50.0%40
Aiden Y Lee48.4%48828
Mohammad Mayy48.3%43120
David P Turocy46.1%58150
Mirza Israr Javed43.5%690
Joshua Nathaniel Pi Reyes41.4%7036
Christina D Mcclure29.7%39037
Benjamin R Kendall25.8%3570
Katherine A Bareford12.4%63750
Gordon Baldwin2.6%397
Srilakshmi K Kumar0.0%170
Keithen G Orson0.0%30
Bibi Sharidan Carrillo0.0%10
Sukwoo James Chang0.0%10
Wei-Chung Yu0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1718?

35.3% over the last five years, across 3,642 resolved applications.

Which examiners in Art Unit 1718 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Nathan T Leong (98.7%, 77 resolved), Bret P Chen (98.3%, 121 resolved), Kelly M Gambetta (97.5%, 80 resolved).

Which examiners in Art Unit 1718 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Gordon Baldwin (2.6%, 39 resolved), Katherine A Bareford (12.4%, 637 resolved), Benjamin R Kendall (25.8%, 357 resolved).

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