Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1693: Examiners and Allowance Rates

22 examiners • 14 with pending office actions • Biotechnology & Pharmaceuticals (Tech Center 1600)

Art unit baseline (last 5 years, 1,432 dispositions): 59% allowance rate • 3.9 office actions per allowance • 1,161 days median pendency
ExaminerAllowance rateResolved casesPending apps
Blessing M Fubara100.0%10
Mahmoud Motaz Abdel Latif100.0%10
Leigh C Maier96.6%870
Traviss C Mcintosh III89.7%31023
Yih-Horng Shiao89.2%370
Layla D Berry86.3%26342
Jonathan S Lau84.7%20330
Andrea Steffel Olson82.4%34052
Ganapathy Krishnan76.8%23744
Patrick T Lewis76.0%250
Dale R Miller65.1%14624
Jaret James Crews63.6%220
Benjamin Michael Brandsen62.6%10722
Samuel Leonard Galster53.1%9857
Hoi Yan Nmn Lee40.5%7944
Sarah Grace Hibshman38.2%5516
Samantha Lynn Schachermeyer35.7%4220
David H Cho31.9%4744
Scarlett Y Goon30.8%132
Shaojia A Jiang14.3%70
Janaki Ananth Mahadevan0.0%110
Marsha M Tsay0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1693?

59.4% over the last five years, across 1,432 resolved applications.

Which examiners in Art Unit 1693 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Leigh C Maier (96.6%, 87 resolved), Traviss C Mcintosh III (89.7%, 310 resolved), Yih-Horng Shiao (89.2%, 37 resolved).

Which examiners in Art Unit 1693 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: David H Cho (31.9%, 47 resolved), Samantha Lynn Schachermeyer (35.7%, 42 resolved), Sarah Grace Hibshman (38.2%, 55 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