Prosecution Insights
Last updated: April 19, 2026

Examiner: HOLWERDA, KATHLEEN SONNETT

Tech Center 3700 • Art Units: 3731 3771

This examiner grants 69% of resolved cases

Performance Statistics

68.7%
Allow Rate
-1.3% vs TC avg
1004
Total Applications
+16.7%
Interview Lift
1387
Avg Prosecution Days
Based on 949 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
25.5%
§102 Novelty
43.5%
§103 Obviousness
21.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18431809 CLIP AND METHOD FOR CLOSING LEFT ATRIAL APPENDAGE Final Rejection EDWARDS LIFESCIENCES CORPORATION
17198926 MULTI-PILLAR PIEZOELECTRIC STACK ULTRASOUND TRANSDUCER AND METHODS FOR USING SAME Final Rejection North Carolina State University
18835216 BALLOON CATHETER Non-Final OA KANEKA CORPORATION
18213223 Thrombectomy Apparatuses Non-Final OA Boston Scientific Scimed, Inc.
18339584 CATHETER ASSEMBLY AND USE METHOD Non-Final OA Terumo Kabushiki Kaisha
18798851 VASO-OCCLUSIVE DEVICE AND DELIVERY ASSEMBLY Non-Final OA STRYKER EUROPEAN OPERATIONS LIMITED
18667790 VASO-OCCLUSIVE DEVICES AND METHODS FOR MAKING AND USING SAME Final Rejection STRYKER EUROPEAN OPERATIONS LIMITED
18592323 ARTICULATING SURGICAL INSTRUMENTS Non-Final OA C.R. Bard, Inc.
18179037 TRACTION TOOL, TRACTION SYSTEM, AND TRACTION METHOD AND SUTURING METHOD FOR SUTURE THREAD Final Rejection Olympus Corporation
18446036 STEERABLE AND EXPANDABLE ASPIRATION CATHETER Final Rejection DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
18523426 PUNCTURE DEVICE AND ENDOSCOPY SYSTEM Non-Final OA OLYMPUS MEDICAL SYSTEMS CORP.
18416207 APPARATUS FOR MITRAL VALVE REPAIR AND METHODS THEREOF Final Rejection LSI Solutions, Inc.
18313305 DEVICES FOR VASCULAR OCCLUSION Final Rejection MicroVention, Inc.
18702090 VASCULAR OCCLUSION DEVICES AND METHODS FOR OCCLUDING A VESSEL Non-Final OA Bard Peripheral Vascular, Inc.
18073150 SMALL VASCULATURE CLOT PINCHING Final Rejection Neuravi Limited
18909448 CATHETER SHAFT WITH UNIFORM BENDING STIFFNESS CIRCUMFERENTIALLY Non-Final OA MEDTRONIC CV LUXEMBOURG S.A.R.L.
18428976 INTRAVASCULAR LITHOTRIPSY CATHETER WITH MOVABLE EMITTERS Non-Final OA Shockwave Medical, Inc.
18777081 RADIAL EXPANSION AND CONTRACTION FEATURES OF MEDICAL DEVICES Non-Final OA Elemental Portfolio, LLC
18566275 BALLOON CATHETER FOR LINEAR SEGMENTATION OF GLAND TISSUE Final Rejection QINGDAO BIOTECH MEDICAL CO., LTD
18435518 Automatically Reloading Suture Passer Devices That Prevent Entanglement Non-Final OA CETERIX ORTHOPAEDICS, INC.
18202346 SURGICAL SYSTEM FOR MANAGING BLOOD FLOW DURING A SURGICAL PROCEDURE Non-Final OA Excision Medical, Inc.
18552161 CHRONIC TOTAL OCCLUSION TREATMENT SYSTEM USING LOW REFRACTIVE INDEX MATERIALS Final Rejection John B. Simpson
17761198 PULSE BALLOON AND USE THEREOF Final Rejection SHANGHAI BIO-HEART BIOLOGICAL TECHNOLOGY CO., LTD.
18546190 AN EXPANDABLE CLOT MOBILIZER DEVICE FOR EXTRACTION OF AN OCCLUSION FROM A BLOOD VESSEL Final Rejection Anaconda Biomed, S.L.
18546206 A SELF-EXPANDABLE MEDICAL DEVICE FOR ADVANCEMENT THROUGH VASCULATURE TO AN EXPANSION SITE IN A BLOOD VESSEL Final Rejection ANACONDA BIOMED, S.L.
18213178 Embolic Protection Device Non-Final OA Fortuna Clinical, LLC
18335103 ALL-SUTURE ANCHOR Final Rejection Responsive Arthroscopy, Inc.
17411961 BLACK-COLORED MEDICAL DEVICE AND METHOD FOR PRODUCING SAME Non-Final OA MANI, INC.
17328985 ENDOVASCULAR DELIVERY SYSTEM WITH AN IMPROVED RADIOPAQUE MARKER SCHEME Non-Final OA TriVascular, Inc.

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