Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1718: Examiners and Allowance Rates

52 examiners • 17 with pending office actions • Chemistry & Materials (Tech Center 1700)

Art unit baseline (last 5 years, 3,652 dispositions): 36% allowance rate • 5.7 office actions per allowance • 1,313 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
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
Benjamin Lee Osterhout100.0%10
James D Sells100.0%10
Matthew W Van Oudenaren100.0%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 Leong98.8%8011
Bret P Chen98.4%12321
Kelly M Gambetta97.5%8037
Mandy C Louie97.5%4018
Tabassom Tadayyon Eslami78.7%17429
Yuechuan Yu68.2%51911
Spencer E Bell66.7%30
Todd Michael Seoane61.5%130
Charlee Bennett58.8%56642
Marc Lorenzi54.3%1970
Kurt D Sweely52.3%23731
Omair Chaudhri50.0%40
Aiden Y Lee48.5%48923
Mohammad Mayy48.3%43122
David P Turocy46.2%58450
Mirza Israr Javed43.5%690
Joshua Nathaniel Pi Reyes41.4%7035
Christina D Mcclure29.9%39138
Benjamin R Kendall25.8%3570
Katherine A Bareford12.4%63850
Gordon Baldwin2.5%406
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
Oluwafemi Lucrece Ligan—03
Desirae Nicole Nance—02

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1718?

35.5% over the last five years, across 3,652 resolved applications.

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

Among examiners with at least 30 resolved applications: Nathan T Leong (98.8%, 80 resolved), Bret P Chen (98.4%, 123 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 (2.5%, 40 resolved), Katherine A Bareford (12.4%, 638 resolved), Benjamin R Kendall (25.8%, 357 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