Prosecution Insights
Last updated: April 19, 2026

Examiner: HUHN, RICHARD A

Tech Center 1700 • Art Units: 1754 1764 1765 1796

This examiner grants 66% of resolved cases

Performance Statistics

66.3%
Allow Rate
+1.3% vs TC avg
918
Total Applications
+6.0%
Interview Lift
1077
Avg Prosecution Days
Based on 882 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
22.3%
§102 Novelty
37.2%
§103 Obviousness
25.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18034743 Super Absorbent Polymer and Preparation Method Thereof Non-Final OA LG Chem, Ltd.
18030953 METHOD FOR PREPARING VINYL CHLORIDE-BASED POLYMER AND VINYL CHLORIDE-BASED POLYMER PREPARED THEREBY Non-Final OA LG CHEM, LTD.
17912947 Polymerizable Compositions and Compounds Comprising Perfluorinated Group, Hydrolysable Silane Group, and (Meth)Acryl Group Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
18264908 ADDITIVE FOR EPOXY ADHESIVE AND COMPOSITION FOR STRUCTURAL EPOXY ADHESIVE COMPRISING THE SAME Non-Final OA KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
17781455 ORGANOBORANE STRATEGY FOR POLYMERS BEARING LACTONE, ESTER, AND ALCOHOL FUNCTIONALITY Non-Final OA The Johns Hopkins University
17398982 PATCH GRAFT COMPOSITIONS FOR CELL ENGRAFTMENT Final Rejection The University of North Carolina at Chapel Hill
18449061 COPOLYMER, MOLDED BODY, INJECTION MOLDED BODY, AND COATED ELECTRICAL WIRE Non-Final OA DAIKIN INDUSTRIES, LTD.
18448234 COPOLYMER, MOLDED BODY, INJECTION MOLDED BODY, AND COATED ELECTRICAL WIRE Non-Final OA DAIKIN INDUSTRIES, LTD.
18349237 METHOD FOR PRODUCING FLUOROPOLYMER COMPOSITION Non-Final OA DAIKIN INDUSTRIES, LTD.
18192053 COPOLYMER, INJECTION MOLDED BODY, MEMBER TO BE COMPRESSED, AND COVERED WIRE Final Rejection DAIKIN INDUSTRIES, LTD.
17784782 COPOLYMER OF ETHYLENE AND A 1,3-DIENE Non-Final OA COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
18265141 METHOD OF SPONTANEOUSLY PATTERNING A POLYMER DURING FRONTAL POLYMERIZATION Non-Final OA The Board of Trustees of the University of Illinois
18512980 METHOD FOR MANUFACTURING POLYMER Non-Final OA DAICEL CORPORATION
18251593 DISPERSANT FOR SUSPENSION POLYMERIZATION AND METHOD FOR PRODUCING VINYL POLYMER Non-Final OA KURARAY CO., LTD.
18042698 RESIN COMPOSITION, COATING COMPOSITION COMPRISING SAME, ELECTRODE FOR STACKING, SEPARATOR FOR STACKING, AND NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY AND PRODUCTING METHOD THEREFOR Non-Final OA Kureha Corporation
18460381 SUPPORTED METALLOCENE CATALYST, METHOD FOR PREPARING THE SAME, AND USE OF THE SAME FOR PREPARING POLYOLEFIN Non-Final OA National Chung Cheng University
18029786 TRANSPARENT ARTICLE Final Rejection Polyplastics Co., Ltd.
18006803 PRODUCTION METHOD FOR CYCLIC OLEFIN COPOLYMER Final Rejection Polyplastics Co., Ltd.
18261021 Hydrocarbon Polymer Modifiers Having High Aromaticity and Low Molecular Weight and Uses Thereof Non-Final OA ExxonMobil Chemical Patents Inc.
17796522 Ethylene-Alpha-Olefin-Diene Monomer Copolymers Obtained Using Transition Metal Bis(Phenolate) Catalyst Complexes and Homogeneous Process for Production Thereof Non-Final OA ExxonMobil Chemical Patents Inc.
17797155 HIGH Tg ACRYLATE COPOLYMERS WITH NITROGEN-CONTAINING AROMATIC HETEROCYCLIC GROUP Final Rejection TESA SE
18029520 EMPLOYING LOW REACTIVITY HYDROCARBON DISPERSING AGENT IN AQUEOUS POLYMERIZATION OF FLUOROPOLYMERS Non-Final OA THE CHEMOURS COMPANY FC, LLC
18454094 METHOD FOR PRODUCING REVERSIBLE ADDITION-FRAGMENTATION CHAIN TRANSFER POLYMERIZATION POLYMER Non-Final OA FUJIFILM Wako Pure Chemical Corporation
18454093 METHOD FOR PRODUCING THIOCARBONYLTHIO GROUP-REMOVED POLYMER Non-Final OA FUJIFILM Wako Pure Chemical Corporation
18236682 PROCESS FOR THE RECOVERY AND RECYCLING OF UNREACTED MONOMER IN A SINGLE-STEP PROCESS FOR THE PRODUCTION OF A CARBON-FIBER PRECURSOR Non-Final OA Montefibre Mae Technologies S.r.l.
18276049 IMINE-BASED LIGAND-CONTAINING COMPLEX CATALYST FOR POLYMERIZING CYCLIC OLEFINIC MONOMER, AND METHOD FOR PREPARING CYCLIC OLEFINIC POLYMER USING SAME Non-Final OA KYUNGPOOK NATIONAL UNIVERSITY INDUSTRY -ACADEMIC COOPERATION FOUNDATION
18259936 METHOD FOR PREPARING ULTRA-FINE AND UNIFORM ACRYLAMIDE-BASED POLYMER HYDROGEL FILAMENT AND USE THEREOF Non-Final OA Beijing Taijieweiye Technology Co., Ltd
18267350 SONICATION OF CATALYST IN THE PRODUCTION OF AN ISOOLEFIN HOMOPOLYMER Non-Final OA ARLANXEO SINGAPORE PTE. LTD.
18203827 COLORED ANTI-FOULING ANTI-CORROSION SURFACE COATING, USES THEREOF, COLORED ANTI-FOULING ANTI-CORROSION SURFACE LAYER, AND COLORED ANTI-FOULING ANTI-CORROSION METAL Non-Final OA RAYOUNG CHEMTECH INC.
17744077 SEQUENCE-BLOCK COPOLYMERS AND PREPARATION THEREFOR AND APPLICATION THEREOF Non-Final OA Canton Litho Material Technology Inc.

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