Prosecution Insights
Last updated: August 18, 2026

Examiner: CHUKWURAH, NATHANIEL C

Tech Center 3700 • Art Units: 3721 3723 3724 3731 3774

This examiner grants 85% of resolved cases

Performance Statistics

84.8%
Allow Rate
+14.8% vs TC avg
1,495
Total Applications
+11.0%
Interview Lift
1014
Avg Prosecution Days
Based on 1469 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
32.4%
§102 Novelty
46.1%
§103 Obviousness
8.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19290997 SYSTEMS, DEVICES, AND RELATED METHODS FOR FASTENING TISSUE Non-Final OA Boston Scientific Scimed, Inc.
19384149 POWER TOOLS INCLUDING A PLURALITY OF TEMPERATURE SENSORS Non-Final OA MILWAUKEE ELECTRIC TOOL CORPORATION
19419579 ELECTRIC TOOL Non-Final OA Makita Corporation
19413011 DRIVING TOOL Non-Final OA MAKITA CORPORATION
19379213 POWER TOOL HAVING A HAMMER MECHANISM Non-Final OA Makita Corporation
19352084 ELECTRIC POWER TOOL Non-Final OA MAKITA CORPORATION
18973454 VACUUM-ADHESION ATTACHMENT FOR POWER TOOL AND POWER-TOOL SYSTEM Non-Final OA MAKITA CORPORATION
19380582 Tool Clamping Device and Oscillating Multifunction Tool Non-Final OA Robert Bosch GmbH
19404074 SURGICAL INSTRUMENT Non-Final OA INTOCARE MEDICAL TECHNOLOGY (SUZHOU) CO., LTD.
19379825 IMPACT ROTARY TOOL Non-Final OA NEXRA Field Works Co., Ltd.,
19162440 STAPLING DEVICE WITH FIRING LOCKOUT ASSEMBLY Non-Final OA Covidien LP
19302676 POWERED ACTUATION ASSIST FOR AN OPEN LINEAR STAPLING DEVICE Non-Final OA Covidien LP
19160514 USAGE STATUS MANAGEMENT APPARATUS FOR ELECTRIC GRIPPING TOOL AND USAGE STATUS MANAGEMENT SYSTEM PROVIDED WITH SAME Non-Final OA OMRON CORPORATION
19311261 SYSTEMS AND SUBSYSTEMS FOR CLOSING A SURGICAL INSTRUMENT Non-Final OA CILAG GMBH INTERNATIONAL
19278347 METHOD FOR PRODUCING A SURGICAL INSTRUMENT COMPRISING A SMART ELECTRICAL SYSTEM Non-Final OA Cilag GmbH International
18485145 SURGICAL ADJUNCTS INCLUDING FLUID BARRIERS Non-Final OA CILAG GMBH INTERNATIONAL

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