Prosecution Insights
Last updated: April 19, 2026

Examiner: BUTCHER, ROBERT T

Tech Center 1700 • Art Units: 1761 1762 1764 1768

This examiner grants 71% of resolved cases

Performance Statistics

70.7%
Allow Rate
+5.7% vs TC avg
1006
Total Applications
+18.4%
Interview Lift
995
Avg Prosecution Days
Based on 941 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
12.0%
§102 Novelty
49.4%
§103 Obviousness
23.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18637200 POLYMER-BASED CONSTRUCTION MATERIALS Non-Final OA The AZEK Group LLC
18271148 Crosslinking Rubber Composition, Rubber Composition for Tire, Molded Article for Tire Sidewall, Sheet, Method for Producing Tire Sidewall, and Tire Sidewall Non-Final OA Asahi Kasei Kabushiki Kaisha
18269358 Polypropylene Resin Composition and Method for Preparing the Same Non-Final OA LG Chem, Ltd.
18553226 FLUOROPOLYMER COMPOSITIONS COMPRISING FLUOROPOLYMER WITH POLYMERIZED UNSATURATED FLUORINATED ALKYL ETHER SUITABLE FOR COPPER AND ELECTRONIC TELECOMMUNICATIONS ARTICLES Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
18552261 FLUOROPOLYMER COMPOSITIONS COMPRISING AMORPHOUS FLUOROPOLYMER AND CRYSTALLINE FLUOROPOLYMER SUITABLE FOR COPPER AND ELECTRONIC TELECOMMUNICATIONS ARTICLES Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
18340252 RESIN COMPOSITION Non-Final OA KANEKA CORPORATION
18278765 PLASTIC RESIN COMPOSITE COMPRISING METAL OXIDE NANORODS AND PREPARATION METHOD THEREFOR Non-Final OA KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
18452107 COPOLYMER, MOLDED BODY, EXTRUDED BODY, BLOW MOLDED BODY, TRANSFER MOLDED BODY, AND COATED ELECTRICAL WIRE Non-Final OA DAIKIN INDUSTRIES, LTD.
18198340 METHOD FOR PRODUCING POLYTETRAFLUOROETHYLENE AND COMPOSITION CONTAINING POLYTETRAFLUOROETHYLENE Non-Final OA DAIKIN INDUSTRIES, LTD.
18348262 CURABLE COMPOSITIONS WITH CROSSLINKERS FOR ADDITIVE MANUFACTURING Non-Final OA Align Technology, Inc.
18348289 CURABLE COMPOSITION WITH POLYMERIZABLE MONOMERS AND FILLERS FOR ADDITIVE MANUFACTURING Non-Final OA Align Technology, Inc.
18224662 OSMOTICALLY-ACTIVE CLOSED-CELL COMPOSITE, OSMOTICALLY-ACTIVATED ACTUATOR AND ACTUATION METHOD Non-Final OA The Board of Trustees of the University of Illinois
18269401 DENTAL COMPOSITION Non-Final OA Kuraray Noritake Dental Inc.
18274058 HIGHLY STABLE METAL HALIDE PEROVSKITE COLLOIDAL COMPOSITIONS Non-Final OA University of Kansas
18552360 GLYCOLIC ACID COPOLYMER COMPOSITION AND SOLIDIFICATION/EXTRUSION-MOLDED ARTICLE Non-Final OA Kureha Corporation
17439832 HIGHLY PROCESSABLE FLEXIBLE ACRYLIC RESIN Final Rejection Rohm and Haas Company
17782330 Compositions for Antifouling Protection Non-Final OA ARXADA AG
18283494 ADHESIVE COMPOSITION AND LAMINATE Non-Final OA MITSUI CHEMICALS, INC.
18283753 ETHYLENE-alpha-OLEFIN COPOLYMER, THERMOPLASTIC RESIN COMPOSITION, AND FILM Non-Final OA PRIME POLYMER CO., LTD.
17773242 PACKAGING Final Rejection AVIENT CORPORATION
17636800 SILICONE COMPOSITION AND METHOD FOR MANUFACTURING COMPOSITE MOLDINGS Non-Final OA WACKER CHEMIE AG
17292147 Thermoplastic Vulcanizate Compositions Comprising Encapsulated Stannous Chloride Non-Final OA Celanese international Corporation
18025687 THERMALLY CONDUCTIVE SHEET AND PRODUCTION METHOD FOR THERMALLY CONDUCTIVE SHEET Final Rejection DEXERIALS CORPORATION
18597778 ANTIVIRAL COATINGS Non-Final OA Inhibit Coatings Limited
17760317 FLAME RETARDANT COPOLYESTER COMPOSITIONS Final Rejection Eastman Chemical Company
18406215 Renewably-Sourced Biodegradable Polyolefin Packaging, Utensils, and Containers Non-Final OA ENLIGHTENED PRODUCT SOLUTIONS, LLC
17911173 RHEOLOGY CONTROL AGENT Final Rejection BYK-Chemie GmbH
18338196 PVC Compositions Containing Rare Earth Additive Non-Final OA Neo Chemicals & Oxides, LLC
18267604 LOWER SURFACE AREA CARBON BLACK AND ELASTOMERIC COMPOSITIONS COMPRISING SAME Non-Final OA BIRLA CARBON U.S.A., INC.
18030086 COMPOSITION FOR DEGRADING JOINT BALLOON AND USE THEREOF AS WELL AS DEGRADABLE JOINT BALLOON AND PREPARATION METHOD THEREOF Non-Final OA Star Sports Medicine Co., Ltd.

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