Prosecution Insights
Last updated: May 29, 2026

Examiner: RITCHIE, HADEN MATTHEW

Tech Center 3700 • Art Units: 3783 3791

This examiner grants 73% of resolved cases

Performance Statistics

72.6%
Allow Rate
+2.6% vs TC avg
94
Total Applications
+34.6%
Interview Lift
1316
Avg Prosecution Days
Based on 62 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
22.8%
§102 Novelty
73.6%
§103 Obviousness
3.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19085327 Endoscopic Submucosal Drug Delivery System Final Rejection Carnegie Mellon University
17479474 DELIVERY SYSTEM ADAPTER Non-Final OA Boston Scientific Scimed, Inc.
17851689 Catheter Assembly Adapter, Instrument Delivery Device, and Related Methods Non-Final OA Becton, Dickinson and Company
17945691 CATHETER Final Rejection ASAHI INTECC CO., LTD.
18207094 INFUSION PUMP SYSTEMS AND METHODS WITH INSULIN PRESERVATIVE LOW THRESHOLD ALERT Non-Final OA Tandem Diabetes Care, Inc.
18281784 DRUG DELIVERY DEVICE Non-Final OA SENSILE MEDICAL AG
18264128 END OF DOSE MECHANISM Non-Final OA Owen Mumford Limited
18263973 INJECTION DEVICE Non-Final OA Owen Mumford Limited
18259999 DAMPED AUTOINJECTORS Non-Final OA FPrin, LLC
18025262 MEDICAL POWDER SPRAYING DEVICE WITH EASY CONTROL OF FLOW VOLUME OF POWDER BEING SPRAYED, AND OPERATING METHOD FOR POWDER SPRAYING DEVICE Non-Final OA THERACION BIOMEDICAL CO. LTD.
17633396 BODY MONITORING SYSTEM COMPRISING A MICRONEEDLE Final Rejection WIZP AS
17766221 Introducer Sheath and a Method of Introducing Said Introducer Sheath Non-Final OA ClearStream Technologies Ltd.

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