Prosecution Insights
Last updated: April 19, 2026

Examiner: KHANDKER, RAIHAN R

Tech Center 3700 • Art Units: 3771

This examiner grants 64% of resolved cases

Performance Statistics

63.7%
Allow Rate
-6.3% vs TC avg
218
Total Applications
+60.0%
Interview Lift
1084
Avg Prosecution Days
Based on 157 resolved cases, 2023–2026

Rejection Statute Breakdown

1.4%
§101 Eligibility
21.4%
§102 Novelty
48.6%
§103 Obviousness
23.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18096256 ULTRASOUND CONTROLLED REMOTELY DEFLATABLE ENDOSCOPIC DETACHABLE BALLOON Final Rejection The Regents of the University of California
18341770 ENDOSCOPIC TREATMENT TOOL AND WATER SUPPLY MEMBER Final Rejection FUJIFILM Corporation
18553058 DEVICES, SYSTEMS, AND METHODS FOR PERFORMING SUTURING PROCEDURES Non-Final OA INTUITIVE SURGICAL OPERATIONS, INC.
18827328 MEDICAL DEVICE Non-Final OA KANEKA CORPORATION
18268443 EMBOLIZATION DEVICE Final Rejection KANEKA CORPORATION
18658248 BIORESORBABLE DEVICE Non-Final OA ABIOMED, Inc.
18768462 DELIVERY DEVICE FOR OCCLUSIVE IMPLANTS Non-Final OA Boston Scientific Scimed, Inc.
18638866 PERCUTANEOUS SLING FOR PAPILLARY MUSCLE APPROXIMATION Non-Final OA Boston Scientific Scimed, Inc.
18631575 OCCLUSIVE IMPLANT SYSTEM Final Rejection BOSTON SCIENTIFIC SCIMED,INC.
18509090 IMPLANTABLE MEDICAL DEVICE ADAPTABLE TO IRREGULAR ANATOMY Final Rejection BOSTON SCIENTIFIC SCIMED, INC.
18220415 MEDICAL DEVICE FOR OCCLUDING A LEFT ATRIAL APPENDAGE Final Rejection BOSTON SCIENTIFIC SCIMED, INC.
18139543 LEFT ATRIAL APPENDAGE CLOSURE DEVICE WITH CENTRAL SUPPORT Non-Final OA BOSTON SCIENTIFIC SCIMED, INC.
18116406 OCCLUSIVE IMPLANT SYSTEM Final Rejection BOSTON SCIENTIFIC SCIMED, INC.
18108099 IMPLANTABLE MEDICAL DEVICE WITH OPPOSING BARBS FOR BI-DIRECTIONAL STABILITY Final Rejection BOSTON SCIENTIFIC SCIMED, INC.
18361760 OCCLUSIVE DEVICES FOR TREATING VASCULAR DEFECTS AND ASSOCIATED SYSTEMS AND METHODS Non-Final OA Covidien LP
18343282 DEVICES, SYSTEMS, AND METHODS FOR THE TREATMENT OF VASCULAR DEFECTS Final Rejection Covidien LP
18349255 OPERATION DEVICE AND IMPLANTED BODY INDWELLING INSTRUMENT Final Rejection TERUMO KABUSHIKI KAISHA
18592286 VASO-OCCLUSIVE DEVICE Non-Final OA STRYKER EUROPEAN OPERATIONS LIMITED
17927241 TISSUE REPAIR SYSTEM Non-Final OA Smith & Nephew Asia Pacific Pte Limited
18988073 TROCAR INCISION CLOSURE KIT AND METHOD OF ASSEMBLING SAME Non-Final OA GORDIAN SURGICAL LTD
17932448 Suture Ring and Finger Protector Non-Final OA Arthrex, Inc.
18886808 Implant Delivery System Non-Final OA MicroVention, Inc.
18648963 DEVICES FOR TREATMENT OF VASCULAR DEFECTS Final Rejection MICROVENTION, INC.
18702979 Catheters, Catheter Assemblies, & Methods Non-Final OA Bard Peripheral Vascular, Inc.
18082524 MEDICAL DEVICE AND SYSTEM WITH ENHANCED ECHOGENICITY AND METHOD THEREOF Non-Final OA Coherex Medical, Inc.
18459721 EMBOLIZATION DEVICES INCLUDING BRAIDED WIRES, METHODS OF MAKING AND USING THE SAME Final Rejection Merit Medical Systems, Inc.
18077926 IMPLANT Non-Final OA OLYMPUS WINTER & IBE GMBH
18113598 INTRASACULAR FLOW DIVERTER AND RELATED METHODS Final Rejection NV MEDTECH, Inc.
18551043 LEFT ATRIAL APPENDAGE CLOSURE DEVICE WITH CATHETER-BASED DELIVERY Non-Final OA UNIVERSITY OF LOUISVILLE RESEARCH FOUNDATION, INC.
18484972 EMBOLIZATION DEVICES AND RELATED METHODS OF MANUFACTURE AND USE Final Rejection KA Medical, LLC

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