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Last updated: September 23, 2026

Art Unit 1796

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

Art unit baseline (last 5 years, 2,742 dispositions): 57% allowance rate • 3.7 office actions per allowance • 1,227 days median pendency
ExaminerPending apps
KRCHA, MATTHEW D52
SINES, BRIAN J38
HYUN, PAUL SANG HWA37
LE, AUSTIN Q36
LYLE, SOPHIA YUAN26
FISHER, BRITTANY I26
MARCHESCHI, MICHAEL A17
BERKELEY, EMILY R16
CHEN, CHANGRU16
EDWARDS, LYDIA E16
SHI, TINGCHEN14

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

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