Prosecution Insights
Last updated: April 19, 2026

Examiner: NGUYEN, TUAN VAN

Tech Center 3700 • Art Units: 3731 3771

This examiner grants 82% of resolved cases

Performance Statistics

81.5%
Allow Rate
+11.5% vs TC avg
1275
Total Applications
+19.6%
Interview Lift
1258
Avg Prosecution Days
Based on 1235 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
28.0%
§102 Novelty
43.1%
§103 Obviousness
17.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18817003 MECHANICALLY EXPANDABLE HEART VALVE Non-Final OA EDWARDS LIFESCIENCES CORPORATION
18807726 STORAGE ASSEMBLY FOR PROSTHETIC VALVE Non-Final OA EDWARDS LIFESCIENCES CORPORATION
18761040 WATER ENUCLEATION OF THE PROSTATE Non-Final OA PROCEPT BioRobotics Corporation
18915056 TISSUE-REMOVING CATHETER WITH GUIDEWIRE ISOLATION LINER Non-Final OA Medtronic Vascular, Inc.
18805774 DELIVERY DEVICE FOR OCCLUSIVE IMPLANTS Non-Final OA Boston Scientific Scimed, Inc.
18643590 MEDICAL DEVICE WITH RENAL SHEATH WITH ADJUSTABLE VALVE Non-Final OA Boston Scientific Scimed, Inc.
18204652 LOCKING RELEASE DEVICES, SYSTEMS, AND METHODS Non-Final OA BOSTON SCIENTIFIC SCIMED, INC.
18663189 HEART VALVE DELIVERY SYSTEM AND METHOD WITH ROTATIONAL ALIGNMENT Non-Final OA The Trustees of Columbia University in the City of New York
18767797 METHOD AND APPARATUS FOR LOADING SUTURE Non-Final OA Clauson Creative Engineering, Inc.
18767744 METHOD AND APPARATUS FOR PASSING SUTURE Non-Final OA Clauson Creative Engineering, Inc.
18761893 CLOT RETRIEVAL DEVICE FOR REMOVING OCCLUSIVE CLOT FROM A BLOOD VESSEL Non-Final OA Neuravi Limited
18665673 CLOT RETRIEVAL DEVICE FOR REMOVING A CLOT FROM A BLOOD VESSEL Non-Final OA NEURAVI LIMITED
18659770 DRIVE SHAFT DESIGN, CONDITIONING AND STABILIZATION METHODS FOR ROTATIONAL MEDICAL DEVICES Non-Final OA Cardiovascular Systems, Inc.
18665301 METHOD FOR TREATING VASCULAR OCCLUSION Non-Final OA Inari Medical, Inc.
18254934 Introducer for an interventional device, particularly a delivery catheter for TAVI, comprising an expandable sheath Non-Final OA BIOTRONIK AG
18781585 SELECTIVE STENT CRIMPING Non-Final OA ADVANCED BIFURCATION SYSTEMS INC.
18444166 TISSUE RESECTING SYSTEMS AND METHODS Final Rejection MINERVA SURGICAL INC.
18237925 Accommodating Intraocular Lens Comprising a Combination of Multiple Variable Lenses Non-Final OA AKKOLENS INTERNATIONAL B.V.
18203538 RESPIRATORY AIRWAY EVACUATION DEVICE Non-Final OA Maine Health Center
18248606 VASCULAR STENT-GRAFT Final Rejection ASCENSE MEDICAL GmbH

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