Prosecution Insights
Last updated: April 19, 2026

Examiner: KAUCHER, MARK S

Tech Center 1700 • Art Units: 1764 1796

This examiner grants 72% of resolved cases

Performance Statistics

71.9%
Allow Rate
+6.9% vs TC avg
1014
Total Applications
+14.2%
Interview Lift
1044
Avg Prosecution Days
Based on 976 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
25.5%
§102 Novelty
41.0%
§103 Obviousness
19.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18274038 AQUEOUS POLYMER LATEX Non-Final OA BASF SE
18249585 PROCESS OF PRODUCING POLYMER DISPERSIONS Non-Final OA BASF SE
18034270 THERMOPLASTIC RESIN COMPOSITION Final Rejection LG CHEM, LTD.
18016127 POLY(LACTIC ACID-B-3-HYDROXYPROPIONIC ACID) BLOCK COPOLYMER HAVING EXCELLENT TENSILE STRENGTH AND PRODUCTS CONTAINING THE SAME Non-Final OA LG CHEM, LTD.
17918266 RESIN COMPOSITION AND MOLDED PRODUCT Non-Final OA LG CHEM, LTD.
18406965 CREPING ADHESIVES AND PROCESSES FOR MAKING AND USING SAME Non-Final OA ECOLAB USA INC.
17929853 POLYMER FINE PARTICLES HAVING STRUCTURAL COLOR DEVELOPMENT PROPERTY Non-Final OA MITSUBISHI CHEMICAL CORPORATION
18889743 COPOLYMER, FORMED ARTICLE AND INJECTION MOLDED ARTICLE Non-Final OA DAIKIN INDUSTRIES, LTD.
18888386 COPOLYMER, FORMED ARTICLE AND INJECTION MOLDED ARTICLE Non-Final OA DAIKIN INDUSTRIES, LTD.
18888509 COPOLYMER, FORMED ARTICLE AND INJECTION MOLDED ARTICLE Non-Final OA DAIKIN INDUSTRIES, LTD.
18453363 COPOLYMER, MOLDED BODY, INJECTION MOLDED BODY, AND COATED ELECTRICAL WIRE Non-Final OA Daikin Industries, Ltd.
18453709 COPOLYMER, MOLDED BODY, EXTRUDED BODY, BLOW MOLDED BODY, TRANSFER MOLDED BODY, AND COATED ELECTRICAL WIRE Non-Final OA DAIKIN INDUSTRIES, LTD.
18447877 COPOLYMER, MOLDED BODY, INJECTION MOLDED BODY, AND COATED ELECTRICAL WIRE Non-Final OA DAIKIN INDUSTRIES, LTD.
18084637 PREDICTION DEVICE, CALCULATION DEVICE, MANUFACTURING DEVICE, AND MANUFACTURING METHOD Final Rejection DAIKIN INDUSTRIES, LTD.
18451549 POLYMER FILM, LAMINATED FILM, TUBULAR FIXING MEMBER, FIXING DEVICE, AND IMAGE FORMING APPARATUS Non-Final OA FUJIFILM Business Innovation Corp.
18265218 PHOTO-CROSSLINKED HYALURONIC ACID BIO-INK FOR BIO-PRINTING, METHOD FOR PREPARING SAME, AND BIOLOGICAL STRUCTURE CAPABLE OF CONTROLLING PHYSICAL PROPERTIES USING SAME Non-Final OA AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
18216643 POLYOLEFIN PRODUCTION APPARATUS AND POLYOLEFIN PRODUCTION METHOD Non-Final OA Sumitomo Chemical Company, Limited
18447048 ADDITIVES FOR WATER-BASED WOOD STAINS Non-Final OA Iowa State University Research Foundation, Inc.
17694373 RECYCLED POLYMER COMPOSITIONS AND METHODS THEREOF Final Rejection Braskem S.A.
18258804 POLYVINYL-ALCOHOL-BASED FIBER, FIBER STRUCTURE, AND METHOD FOR MANUFACTURING SAME Non-Final OA Kuraray Co., Ltd.
18018134 POLYPROPYLENE-BASED RESIN COMPOSITION, HYDROGENATED BLOCK COPOLYMER, MOLDED ARTICLE, AND INTERIOR-EXTERIOR DECORATIVE MATERIAL FOR AUTOMOBILES Non-Final OA KURARAY CO., LTD.
18283107 ACRYLIC RUBBER, RUBBER COMPOSITION AND RUBBER CROSSLINKED PRODUCT Non-Final OA ZEON CORPORATION
18035686 RESIN COMPOSITION, ADHESIVE, MULTILAYER BODY, SURFACE PROTECTION FILM, METHOD FOR PRODUCING SURFACE PROTECTION FILM, AND METHOD FOR PROTECTING SURFACE Non-Final OA MITSUI CHEMICALS, INC.
18272216 GLYCIDYL (METH)ACRYLATE COMPOSITION Non-Final OA MITSUBISHI GAS CHEMICAL COMPANY, INC.
18245201 Foamable composition of polymers comprising a branched copolymer containing polyamide blocks and polyether blocks Non-Final OA ARKEMA FRANCE
18721156 PREPARATION METHOD FOR HIGH IMPACT POLYSTYRENE AND HIGH IMPACT POLYSTYRENE Final Rejection CHANGZHOU RUIHUA CHEMICAL ENGINEERING & TECHNOLOGY CO., LTD
18702711 ELASTIC ANTI-CORROSION ADHESIVE, ELASTIC ANTI-CORROSION ADHESIVE TAPE AND PREPARATION METHOD THEREOF Non-Final OA ANCORRO CO., LTD.
17920259 PROCESS FOR THE PREPARATION OF BROMINATED COPOLYMERS OF CONJUGATED DIENES AND STYRENIC MONOMERS Non-Final OA LANXESS Corporation
18296994 THERMOPLASTIC ELASTOMER COMPOSITION Non-Final OA GEON Performance Solutions, LLC
18296343 BRANCHED AND HYPERBRANCHED IONOMERIC POLYMERS AND USES THEREOF Non-Final OA Simon Fraser University

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