Prosecution Insights
Last updated: August 18, 2026

Examiner: BUTCHER, ROBERT T

Tech Center 1700 • Art Units: 1761 1762 1763 1764 1768

This examiner grants 71% of resolved cases

Performance Statistics

71.2%
Allow Rate
+6.2% vs TC avg
1,019
Total Applications
+17.5%
Interview Lift
943
Avg Prosecution Days
Based on 965 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
10.6%
§102 Novelty
52.5%
§103 Obviousness
25.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18548504 USE OF A STABILIZER COMPOSITION FOR STABILIZING ORGANIC MATERIALS, STABILIZER COMPOSITION, MASTER BATCH, COMPOSITION, MOLDING COMPOUND FOR MOLDINGS, PROCESS FOR OXIDATIVE, THERMAL AND ACTINIC STABILIZATION OF A THERMOPLASTIC, AND USE OF A COMPOSITION Non-Final OA FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
18279805 Isotropic Pitch Compositions from Aromatic Feedstocks, Methods of Making the Same, and Uses Thereof Final Rejection ExxonMobil Technology and Engineering Company
18682202 Curable Composition Non-Final OA LG Chem, Ltd.
18188572 Ink Set Non-Final OA SEIKO EPSON CORPORATION
18561947 THERMOPLASTIC MOLDING COMPOSITION WITH HIGH TEMPERATURE RESISTANCE Non-Final OA BASF SE
18270772 STABILIZING A SHAPED POLYMER ARTICLE AGAINST DEGRADATION INDUCED BY ARTIFICIAL UV-C LIGHT Non-Final OA BASF SE
18274058 HIGHLY STABLE METAL HALIDE PEROVSKITE COLLOIDAL COMPOSITIONS Final Rejection University of Kansas
18524375 FILLER COMPOSITION, COMPOSITE MATERIAL AND COMPOSITE MATERIAL LAYER WITH THERMAL BARRIER PROPERTIES Non-Final OA SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
18569819 ADDITION-CURABLE SILICONE RUBBER COMPOSITION AND SILICONE RUBBER CURED MATERIAL Non-Final OA SHIN-ETSU CHEMICAL CO., LTD.
18271148 Crosslinking Rubber Composition, Rubber Composition for Tire, Molded Article for Tire Sidewall, Sheet, Method for Producing Tire Sidewall, and Tire Sidewall Final Rejection Asahi Kasei Kabushiki Kaisha
18606969 RUBBER COMPOSITIONS AND ARTICLES THEREOF Non-Final OA The Goodyear Tire & Rubber Company
18553226 FLUOROPOLYMER COMPOSITIONS COMPRISING FLUOROPOLYMER WITH POLYMERIZED UNSATURATED FLUORINATED ALKYL ETHER SUITABLE FOR COPPER AND ELECTRONIC TELECOMMUNICATIONS ARTICLES Final Rejection 3M INNOVATIVE PROPERTIES COMPANY
18552261 FLUOROPOLYMER COMPOSITIONS COMPRISING AMORPHOUS FLUOROPOLYMER AND CRYSTALLINE FLUOROPOLYMER SUITABLE FOR COPPER AND ELECTRONIC TELECOMMUNICATIONS ARTICLES Final Rejection 3M INNOVATIVE PROPERTIES COMPANY
18276613 COMPOSITION CONTAINING PHENALKAMINE AND METHOD FOR PREPARING SAME Non-Final OA EVONIK OPERATIONS GMBH
18683557 TWO-COMPONENT POLYURETHANE ADHESIVE COMPOSITION Non-Final OA DDP SPECIALTY ELECTRONIC MATERIALS US, LLC
17760317 FLAME RETARDANT COPOLYESTER COMPOSITIONS Final Rejection Eastman Chemical Company
17996261 COMPOSITIONS CONTAINING THERMALLY CONDUCTIVE FILLERS Final Rejection PPG Industries Ohio, Inc.
18269401 DENTAL COMPOSITION Final Rejection Kuraray Noritake Dental Inc.
18684217 PROCESS FOR MAKING CYANOETHYLTRIMETHOXYSILANE Non-Final OA DOW SILICONES CORPORATION
17788419 POLYMER COMPOSITION FOR FILMS HAVING IMPROVED MECHANICAL PROPERTIES AND DEGRADABILITY Non-Final OA NOVAMONT S.P.A.

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