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Home / Examiners / TC 1600 / AU 1646
Last updated: September 23, 2026

Art Unit 1646

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

Art unit baseline (last 5 years, 4,195 dispositions): 41% allowance rate • 3.9 office actions per allowance • 1,281 days median pendency
ExaminerPending apps
PUTTLITZ, KARL J44
ALSOMAIRY, SARAH ABDOALATIF33
GUSTILO, ESTELLA M30
SANG, HONG28
REDDIG, PETER J28
CUNNINGCHEN, KATHLEEN MARY28
HOLTZMAN, KATHERINE ANN22
CHASE, CAROL ANN19
HALVORSON, MARK18
O'BRIEN, LEA S8

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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