Prosecution Insights
Last updated: April 19, 2026

Examiner: DEAK, LESLIE R

Tech Center 3700 • Art Units: 3761 3781 3799

This examiner grants 75% of resolved cases

Performance Statistics

75.0%
Allow Rate
+5.0% vs TC avg
967
Total Applications
+18.0%
Interview Lift
1239
Avg Prosecution Days
Based on 924 resolved cases, 2023–2026

Rejection Statute Breakdown

1.8%
§101 Eligibility
25.1%
§102 Novelty
47.9%
§103 Obviousness
11.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18605632 Gas Exchange Composite Membranes and Methods of Use Thereof Non-Final OA The Regents of the University of California
18237045 BIOLOGICAL FLUID DRAINAGE DEVICES AND METHODS Final Rejection W. L. Gore & Associates, Inc.
18230907 MEDICAMENT THERAPY DELIVERY SYSTEMS AND METHODS Non-Final OA W. L. Gore & Associates, Inc.
18159818 OCULAR IMPLANTS AND METHODS FOR DELIVERING OCULAR IMPLANTS INTO THE EYE Non-Final OA Alcon Inc.
18111978 METHOD OF PURGING A BLOOD PUMP Final Rejection ABIOMED, Inc.
18352190 ANTI-MIGRATION STENT Non-Final OA Boston Scientific Scimed, Inc.
17845057 SYSTEMS AND METHODS FOR PERCUTANEOUS BODY LUMEN DRAINAGE Non-Final OA BOSTON SCIENTIFIC SCIMED, INC.
18438358 Catheter Assembly Including a Multi-Lumen Configuration Non-Final OA C. R. Bard, Inc.
18275288 Nasal Spray Reconstitution System Final Rejection BECTON, DICKINSON AND COMPANY
18558792 DIALYSIS MACHINE Non-Final OA FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
18556201 Method for Controlling a Blood Treatment Apparatus, and Apparatuses Non-Final OA Fresenius Medical Care Deutschland GmbH
18382634 Cerebrospinal-Fluid Shunt Valve System Non-Final OA Wisconsin Alumni Research Foundation
18259626 FLUID COLLECTION ASSEMBLIES INCLUDING AT LEAST ONE NONWOVEN MATERIAL Non-Final OA PureWick Corporation
18465450 METHODS FOR ROUTING A GUIDEWIRE FROM A FIRST VESSEL AND THROUGH A SECOND VESSEL IN LOWER EXTREMITY VASCULATURE Non-Final OA LimFlow GmbH
18390932 SYSTEMS AND METHODS FOR REMOVING UNDESIRABLE MATERIAL WITHIN A CIRCULATORY SYSTEM UTILIZING A BALLOON CATHETER Non-Final OA AngioDynamics, Inc.
18430141 IMPLANTABLE BIOLOGIC STENT AND SYSTEM FOR BIOLOGIC MATERIAL SHAPING AND PREPARATION IN THE TREATMENT OF GLAUCOMA Non-Final OA Iantrek, Inc.
18569509 CARDIOTHORACIC DRAINAGE DEVICE Non-Final OA REDAX S.P.A.
18522058 INTRAOCULAR IMPLANTS AND METHODS AND KITS THEREFOR Non-Final OA Sight Sciences, Inc.
18561569 TREATMENT MATERIAL Non-Final OA Broad Bean Science Co., LTD.
18559937 BANDAGE APPLICATOR Non-Final OA ALMA PLUS LLC
18287784 METHODS OF PREPARING AN EXTRACORPOREAL CIRCUIT FOR ANTICOAGULATION Non-Final OA Lawell Therapeutics, LLC
18285477 MEDICAL PENETRATION AND DRAINAGE FOR GLAUCOMA TREATMENT Non-Final OA Beijing Sightnovo Medical Technology Co., Ltd.
18277955 LOCO-REGIONAL PERFUSION OF A KIDNEY Final Rejection DiNAQOR AG
18271216 SENSOR APPARATUS WITH AN ACCELERATION SENSOR FOR MONITORING MOVEMENT AND TRANSMITTING DATA ON A MEDICAMENT CONTAINER, MONITORING SYSTEM AND MONITORING METHOD Final Rejection IPB INTELLIGENT PILL BOX UG (HAFTUNGSBESCHRÄNKT)
18256762 SURGICAL DRAINAGE DEVICE Non-Final OA AZIENDA SANITARIA UNIVERSITARIA FRIULI CENTRALE
17907616 APPARATUS FOR EXTRACORPOREAL REMOVAL OF ALBUMIN AND ENDOTOXIN FROM BLOOD Final Rejection YAQRIT LIMITED
17817934 DEVICES AND METHODS FOR RECOVERING DISEASE-CAUSING TOXIC CONSTITUENTS IN THE BLOOD Non-Final OA ACTORIUS INNOVATIONS RESEARCH CO
17868484 CSF DIAGNOSTICS PLATFORM Final Rejection EnClear Therapies, Inc.
17848211 METHOD OF REGULATING GENE EXPRESSION Final Rejection EnClear Therapies, Inc.

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