Prosecution Insights
Last updated: August 18, 2026

Examiner: WENG, KAI H

Tech Center 3700 • Art Units: 3700 3761 3781

This examiner grants 70% of resolved cases

Performance Statistics

70.2%
Allow Rate
At TC average
524
Total Applications
+17.3%
Interview Lift
1221
Avg Prosecution Days
Based on 487 resolved cases, 2023–2026

Rejection Statute Breakdown

2.7%
§101 Eligibility
13.7%
§102 Novelty
58.5%
§103 Obviousness
17.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18741992 MEDICAL SYSTEMS, DEVICES, AND RELATED METHODS FOR WOUND THERAPY Non-Final OA Boston Scientific Scimed, Inc.
18802787 SHUNT IMPLANT WITH ADJUSTABLE BARREL Non-Final OA EDWARDS LIFESCIENCES CORPORATION
17996748 DRAINAGE SHUNT DEVICES AND METHODS FOR DRAINING ASCITES FLUID FROM PERITONEAL CAVITIES Final Rejection CareFusion 2200, Inc.
18233204 MEDICAL SHUNTS Final Rejection THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
17064241 Plastic Jacket for Vial Labeling Systems Final Rejection Allogene Therapeutics, Inc.
18710007 AMPOULE FOR ORAL VACCINE ADMINISTRATION AND METHODS OF USE Non-Final OA Merck Sharp & Dohme LLC
17953562 CATHETER AND CATHETER SYSTEM Non-Final OA TERUMO KABUSHIKI KAISHA
18435281 IMPLANT FOR THE SUSTAINED RELEASE OF AN ACTIVE INGREDIENT Final Rejection Heraeus Medical GmbH
18530497 Negative Pressure Medical Device Final Rejection METAL INDUSTRIES RESEARCH & DEVELOPMENT CENTRE
18705394 MODULAR THERAPY DEVICES AND POWERED CONSUMABLES WITH DISPOSAL FEATURES FOR REDUCED ENVIRONMENTAL IMPACT Non-Final OA KCI Manufacturing Unlimited Company

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