Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 3689: Examiners and Allowance Rates

60 examiners • 13 with pending office actions • Transportation, E-Commerce & Mechanical Systems (Tech Center 3600)

Art unit baseline (last 5 years, 3,720 dispositions): 20% allowance rate • 6.5 office actions per allowance • 1,342 days median pendency
ExaminerAllowance rateResolved casesPending apps
Christopher B Seibert100.0%10
Kathleen Gage Davison100.0%10
Peter H Choi100.0%10
Florian M Zeender100.0%10
Mark A Fadok89.7%680
Anand R Loharikar85.1%9419
Gautam Ubale84.2%1914
Matthew T Sittner83.3%420
Nicholas D Rosen81.4%8615
Michelle Therese Kringen78.4%3717
Norman Donald Sutch Jr.75.0%40
Adam L Levine70.8%8924
Anne Marie Georgalas68.8%9325
Katherine A Barlow60.0%100
Arielle E Weiner51.7%5836
Luis A Brown40.0%250
Victoria E. Frunzi39.5%4330
Michael J Monaghan38.9%900
Anna Mae Mitros32.2%5927
Timothy J Kang31.0%2935
Maria C Santos-Diaz28.8%2430
Matthew S Meyers28.6%70
Richard W. Crandall28.5%2210
John S. Wasaff26.2%1070
Michael C Young23.4%2480
Matthew L Brooks23.1%390
Tan D Nguyen22.9%4370
Thomas J Sullivan22.4%4922
Minnah L Seoh20.0%200
Maria Teresa T Thein17.4%230
Heidi Riviere Kelley17.0%1940
Paul R Fisher16.7%4130
Andrew C Lakhani16.2%1170
Julie Meyers Shanker14.6%2540
Carrie Stroder Gilkey14.5%4350
Thuy-Vi Thi Nguyen14.1%3550
Dennis William Ruhl13.9%3590
Jan P Mincarelli10.9%2210
Aryan E Weisenfeld10.3%1950
Wenren Chen9.7%1550
Gerardo Araque Jr.8.4%6330
Scott A Mattia7.8%1020
Ahoora Ladoni7.7%1320
Debra L Glennie6.4%1400
Patrick Mcatee6.0%1660
Sarah M Monfeldt5.3%190
Debra L Antonienko4.4%450
Lance William White3.9%1290
Fonya M Long3.6%1670
Michael J Fisher2.6%760
David S Easwaran1.7%580
Delaine M Duncan1.6%630
Fathi Kamal Abdelsalam1.6%630
Janice A Mooneyham0.7%1450
Shewana D Skinner0.0%660
Laura G Yesildag0.0%210
Zachary Ryan Donahue0.0%1617
John N. Holland0.0%100
Zachary T Shuckrow0.0%100
Docket Tc 36000.0%30

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 3689?

20.2% over the last five years, across 3,720 resolved applications.

Which examiners in Art Unit 3689 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Mark A Fadok (89.7%, 68 resolved), Anand R Loharikar (85.1%, 94 resolved), Matthew T Sittner (83.3%, 42 resolved).

Which examiners in Art Unit 3689 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Shewana D Skinner (0.0%, 66 resolved), Janice A Mooneyham (0.7%, 145 resolved), Delaine M Duncan (1.6%, 63 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