Prosecution Insights
Last updated: April 19, 2026

Examiner: DAVID, SHAUN L

Tech Center 3700 • Art Units: 3731 3771 3773

This examiner grants 73% of resolved cases

Performance Statistics

72.7%
Allow Rate
+2.7% vs TC avg
615
Total Applications
+19.4%
Interview Lift
1363
Avg Prosecution Days
Based on 557 resolved cases, 2023–2026

Rejection Statute Breakdown

2.1%
§101 Eligibility
28.2%
§102 Novelty
33.9%
§103 Obviousness
26.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18486443 PROSTHETIC HEART VALVE DELIVERY ASSEMBLIES WITH MULTIPLE LOCATION PRESSURE SENSING Non-Final OA EDWARDS LIFESCIENCES CORPORATION
17822689 EXPANDABLE SHEATH FOR INTRODUCING A ENDOVASCULAR DELIVERY DEVICE INTO A BODY Non-Final OA Edwards Lifesciences Corporation
18211542 DEVICES, SYSTEMS, AND METHODS FOR DELIVERING AND DEPLOYING AN IMPLANTABLE DEVICE Non-Final OA Mayo Foundation for Medical Education and Research
18904410 DEVICES, SYSTEMS, AND METHODS FOR CLOSING A WOUND Non-Final OA BOSTON SCIENTIFIC SCIMED, INC.
18466284 LOCKING FEATURE FOR HEMOSTASIS CLIP Non-Final OA BOSTON SCIENTIFIC SCIMED, INC.
18755964 METHOD AND DEVICE OF INSERTING TREATMENT DEVICE INTO HOLLOW ORGAN Non-Final OA OLYMPUS MEDICAL SYSTEMS CORP.
18922321 DILATION CATHETER WITH BULBOUS TIP Non-Final OA Acclarent, Inc.
18928016 DEVICES AND METHODS FOR TREATING BLOCKED BLOOD VESSELS Non-Final OA SHANGHAI WALLABY MEDICAL TECHNOLOGIES CO., INC.
18890956 FORCEPS DEVICE Non-Final OA RIVERFIELD INC.
18766028 DEVICES, SYSTEMS AND METHODS FOR TREATING BENIGN PROSTATIC HYPERPLASIA AND OTHER CONDITIONS Non-Final OA Teleflex Life Sciences LLC
18540077 BEVEL TIP EXPANDABLE MOUTH CATHETER WITH REINFORCING RING Final Rejection Neuravi Limited
18275988 Devices, Systems, and Methods for a Valve Replacement Non-Final OA ReValve Solutions Inc.
18799478 DUAL HOOP LOW PROFILE EMBOLIC PROTECTION DEVICE AND SYSTEM Non-Final OA Transaortic Medical, Inc.
18793340 METHODS AND DEVICES FOR MANIPULATING AND FASTENING TISSUE Non-Final OA Merit Medical Systems, Inc.
18678223 SYSTEMS AND METHODS FOR PLACEMENT OF MULTIPLE JOINED SUTURE ANCHORS Non-Final OA ACTIVAS Orthopedics, Inc.
18646789 SUTURE STRUCTURE THAT ENHANCES LIFTING EFFECT Final Rejection DIAMOND BIOTECHNOLOGY CO., LTD.
18629382 KNOTLESS ANCHOR Final Rejection TIGON MEDICAL
18577826 REVERSIBLE ELECTROADHESION OF HYDROGELS TO ANIMAL TISSUES FOR SUTURELESS REPAIR OF CUTS OR TEARS Non-Final OA University of Maryland, College Park
18481223 SURGICAL ANCHORS, INSTRUMENTATION, AND METHODS OF USE Non-Final OA INTERNATIONAL LIFE SCIENCES, LLC d/b/a ARTELON
18376118 INSTRUMENTS, SYSTEMS, AND METHODS FOR SECURING ANCHORS, ELASTOMERIC DEVICES, AND OTHER ELEMENTS IN BONE Non-Final OA INTERNATIONAL LIFE SCIENCES, LLC d/b/a ARTELON
18582544 REMOTE SURGICAL SUTURE SYSTEM Non-Final OA Vesteck, Inc.
18582250 SELF-CINCHING ADJUSTABLE LOOP SUTURE BUTTON AND METHODS Non-Final OA INS Ortho, Inc
18453853 TRANSVALVULAR INTRAANNULAR IMPLANT FOR VALVE REPAIR Non-Final OA Heart Repair Technologies, Inc.
18293596 Medical device and method for safely closing, isolating, or adjusting the volume of a structure in the human body Non-Final OA Eleftherios Basilios SIDERIS
17125742 METHODS AND SYSTEMS FOR ACCESSING AND RETRIEVING THROMBO-EMBOLI Final Rejection Imperative Care, Inc.
18405123 Labral Anchor System and Method Final Rejection AEVUMED, INC.
18552258 APPARATUS AND METHOD FOR ENDOSCOPIC ANASTOMOSIS OF THE STOMACH AND THE BOWEL Non-Final OA BariaTek Medical
18336287 KNOTLESS SUTURE SHUTTLING AND ANCHORING SYSTEM Final Rejection SUREMKA, LLC
18261098 MECHANICAL VALVE SYSTEMS WITH IMPROVED PROPERTIES Non-Final OA Michael COHEN
18059963 APPARATUS AND METHOD FOR SUPPORTING A ROBOTIC ARM Final Rejection CONAVI MEDICAL CORP.

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