Prosecution Insights
Browse Companies Examiners Firms Draft Your Response
Home / Examiners / TC 3600 / AU 3621
Last updated: September 23, 2026

Art Unit 3621

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

Art unit baseline (last 5 years, 3,023 dispositions): 26% allowance rate • 5.9 office actions per allowance • 1,137 days median pendency
ExaminerPending apps
DETWEILER, JAMES M29
SITTNER, MICHAEL J26
ELCHANTI, TAREK25
DAGNEW, SABA24
STROUD, CHRISTOPHER24
VANDERHORST, MARIA VICTORIA22
BUSCH, CHRISTOPHER CONRAD21
BEKERMAN, MICHAEL21
REFAI, SAM M20
BAGGOT, BREFFNI18
PATEL, DIPEN M15
SYROWIK, MATHEW RICHARD14
SNIDER, SCOTT13
ANSARI, AZAM A12
ASHRAF, WASEEM7

Data sourced from USPTO Patent File Wrapper (daily) and Office Action Archive (weekly). Analysis generated by IP Author.

Data: USPTO Patent File Wrapper (daily) • Office Action Archive (weekly) • 89M+ prosecution events

© 2026 IP Author — Browse Office Actions • Examiners • Companies • Firms

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