Prosecution Insights
Last updated: May 29, 2026

Examiner: NGUYEN, TUAN VAN

Tech Center 3700 • Art Units: 3731 3771

This examiner grants 82% of resolved cases

Performance Statistics

81.6%
Allow Rate
+11.6% vs TC avg
1,282
Total Applications
+19.4%
Interview Lift
1208
Avg Prosecution Days
Based on 1245 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
10.9%
§102 Novelty
65.0%
§103 Obviousness
12.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
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.
18817003 MECHANICALLY EXPANDABLE HEART VALVE Non-Final OA EDWARDS LIFESCIENCES CORPORATION
18807726 STORAGE ASSEMBLY FOR PROSTHETIC VALVE Non-Final OA EDWARDS LIFESCIENCES CORPORATION
18316846 DEVICES AND METHODS FOR CONTROLLING FLUID FLOW IN A DELIVERY APPARATUS Final Rejection EDWARDS LIFESCIENCES CORPORATION
18968417 ROTATABLE MEDICAL DEVICE Non-Final OA Boston Scientific Scimed, Inc.
18805774 DELIVERY DEVICE FOR OCCLUSIVE IMPLANTS 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
18767744 METHOD AND APPARATUS FOR PASSING SUTURE Non-Final OA Clauson Creative Engineering, Inc.
18767797 METHOD AND APPARATUS FOR LOADING SUTURE Non-Final OA Clauson Creative Engineering, Inc.
18659770 DRIVE SHAFT DESIGN, CONDITIONING AND STABILIZATION METHODS FOR ROTATIONAL MEDICAL DEVICES Non-Final OA Cardiovascular Systems, Inc.
18761893 CLOT RETRIEVAL DEVICE FOR REMOVING OCCLUSIVE CLOT FROM A BLOOD VESSEL Non-Final OA Neuravi Limited
18665301 METHOD FOR TREATING VASCULAR OCCLUSION Non-Final OA Inari Medical, Inc.
18781585 SELECTIVE STENT CRIMPING Non-Final OA ADVANCED BIFURCATION SYSTEMS INC.
18254934 Introducer for an interventional device, particularly a delivery catheter for TAVI, comprising an expandable sheath Non-Final OA BIOTRONIK AG
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

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