Prosecution Insights
Last updated: May 29, 2026

Examiner: BUTCHER, ROBERT T

Tech Center 1700 • Art Units: 1761 1762 1764 1768

This examiner grants 71% of resolved cases

Performance Statistics

71.1%
Allow Rate
+6.1% vs TC avg
1,010
Total Applications
+17.6%
Interview Lift
939
Avg Prosecution Days
Based on 957 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
4.7%
§102 Novelty
91.5%
§103 Obviousness
2.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18269358 Polypropylene Resin Composition and Method for Preparing the Same Non-Final OA LG Chem, Ltd.
18869532 Thermoplastic Compositions Having High Metal Bonding Force for NMT Applications Non-Final OA SHPP GLOBAL TECHNOLOGIES B.V.
18269655 PROCESS FOR PREPARING A POLYAMIDE BY COPOLYMERIZATION OF MULTIPLE COMPONENTS, POLYAMIDE PREPARED THEREBY, AND COMPOSITION COMPRISING THE SAME Non-Final OA HANWHA SOLUTIONS CORPORATION
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.
18224662 OSMOTICALLY-ACTIVE CLOSED-CELL COMPOSITE, OSMOTICALLY-ACTIVATED ACTUATOR AND ACTUATION METHOD Non-Final OA The Board of Trustees of the University of Illinois
18083788 Thermoplastic Resin Composition and Article Produced Therefrom Final Rejection LOTTE CHEMICAL CORPORATION
17439832 HIGHLY PROCESSABLE FLEXIBLE ACRYLIC RESIN Non-Final OA Rohm and Haas Company
17782330 Compositions for Antifouling Protection Non-Final OA ARXADA AG
17636800 SILICONE COMPOSITION AND METHOD FOR MANUFACTURING COMPOSITE MOLDINGS Non-Final OA WACKER CHEMIE AG
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
18269401 DENTAL COMPOSITION Non-Final OA Kuraray Noritake Dental Inc.
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.
18028895 COMPOSITE BIODEGRADABLE POLYMERIC BASED MATERIAL, A PRODUCT AND A METHOD OF MAKING SAME Non-Final OA Balena Ltd.
18015651 Fibrillated Cellulose Consolidation of Mineralized Particulates Non-Final OA Performance BioFilaments Inc.
16981835 MULTIFUNCTIONAL COATINGS FOR USE IN WET ENVIRONMENTS Final Rejection GRAPHITE INNOVATION AND TECHNOLOGIES INC.
17757434 BIODEGRADABLE AND COMPOSTABLE COMPOSITION Final Rejection Gaia Holding AB
17773816 SURFACE ACTIVATED NANOHYBRID FLAME RETARDANTS AND POLYMERS PRODUCED THEREFROM Non-Final OA P & S Global Holdings, LLC
17504184 UNSATURATED POLYESTER RESIN SYSTEM FOR CURED IN-PLACE PIPING Final Rejection Interplastic Corporation

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