Prosecution Insights
Last updated: April 19, 2026

Examiner: LEONARD, MICHAEL L

Tech Center 1700 • Art Units: 1692 1763 1796

This examiner grants 64% of resolved cases

Performance Statistics

63.6%
Allow Rate
-1.4% vs TC avg
1383
Total Applications
+8.0%
Interview Lift
1201
Avg Prosecution Days
Based on 1319 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
19.2%
§102 Novelty
50.5%
§103 Obviousness
18.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19304387 POLYMER, PREPARATION METHOD, DISPERSANT, POSITIVE ELECTRODE SLURRY, POSITIVE ELECTRODE PLATE, SECONDARY BATTERY, AND POWER CONSUMING APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18562515 PROCESS FOR PREPARING AT LEAST ONE POLYISOCYANATE Non-Final OA BASF SE
18561186 THERMOPLASTIC POLYURETHANE WITH IMPROVED STAIN RESISTANCE Non-Final OA BASF SE
18277233 METHOD FOR MANUFACTURE OF ISOPHORONEDIAMINE Non-Final OA BASF SE
18266826 COLOR-STABLE CURING AGENT COMPOSITIONS COMPRISING POLYISOCYANATES OF (CYCLO)ALIPHATIC DIISOCYANATES Final Rejection BASF SE
17760787 SPRAY POLYURETHANE ELASTOMERS AND METHODS FOR PRODUCING THE SAME Non-Final OA BASF SE
18548536 POLYPHENYLENE ETHER, PRODUCTION METHOD OF THE SAME, THERMOSETTING COMPOSITION, PREPREG, AND LAMINATE Non-Final OA ASAHI KASEI KABUSHIKI KAISHA
18024079 Polyurethane Elastic Fiber, Gather Member Containing Same, and Sanitary Material Final Rejection Asahi Kasei Kabushiki Kaisha
18276352 Curable Composition Non-Final OA LG Chem, Ltd.
18564215 POLYURETHANES, POLISHING ARTICLES AND POLISHING SYSTEMS THEREFROM AND METHOD OF USE THEREOF Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
18508041 COVER WINDOW AND DISPLAY DEVICE INCLUDING THE SAME Non-Final OA ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
18516494 MEDICAL DEVICES FORMED FROM HIGH PURITY POLYURETHANE Non-Final OA Boston Scientific Scimed, Inc.
18274403 NOVEL CURABLE COMPOSITION CONTAINING CYCLIC MONOMER Non-Final OA Tokuyama Corporation
18702933 METHOD FOR THE PRODUCTION OF A POLYURETHANE SANDWICH ELEMENT Non-Final OA Covestro Deutschland AG
18278482 Low Viscosity Catalyst Compositions for Producing Isocyanurate Polymers Non-Final OA Covestro Deutschland AG
18266036 Producing Isocyanate-Terminated, Urethane Group-Containing Prepolymers Final Rejection Covestro Deutschland AG
18038530 METHOD FOR THE PRODUCTION OF THERMOPLASTIC POLYOXAZOLIDINONE POLYMERS Final Rejection Covestro Deutschland AG
18272877 URETHANE ADHESIVE COMPOSITION Non-Final OA SIKA TECHNOLOGY AG
18263478 COATED SUBSTRATE Non-Final OA PPG Industries Ohio, Inc.
18505386 POLYURETHANE FOAM AND METHODS OF FORMING THE SAME Non-Final OA SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
18274762 STRUCTURAL POLYURETHANE ADHESIVE Non-Final OA MITSUI CHEMICALS, INC.
18274769 STRUCTURAL POLYURETHANE ADHESIVE Non-Final OA MITSUI CHEMICALS, INC.
18286917 Two-Pack Polyurethane Composition Non-Final OA ARKEMA FRANCE
18038239 THIXOTROPIC DIUREA-DIURETHANE COMPOSITION Non-Final OA Arkema France
17997686 POLYOL COMPOUNDS AND ADHESIVE COMPOSITIONS PREPARED WITH THE SAME Final Rejection ARKEMA FRANCE
18038449 METHOD FOR PRODUCING CROSS-LINKABLE MATERIALS BASED ON ORGANYLOXYSILANE-TERMINATED POLYMERS Non-Final OA Wacker Chemie AG
18207672 SPANDEX FIBER WITH REVERSIBLE TRIPLE-SHAPE MEMORY EFFECT AND PREPARATION METHOD THEREOF Non-Final OA Wuyi University
18245311 REACTIVE COMPOUND FOR PRODUCING POLYURETHANE LAYERS HAVING THERMALLY ACTIVATABLE CATALYST SYSTEMS Non-Final OA Benecke-Kaliko AG
18547230 HIGH HARDNESS FILMS Non-Final OA SYENSQO SPECIALTY POLYMERS USA, LLC
18562638 CROSSLINKED BIORESORBABLE POLYESTER NETWORKS Non-Final OA UNIVERSITEIT GENT

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