Prosecution Insights
Last updated: April 19, 2026

Examiner: TESKIN, FRED M

Tech Center 1700 • Art Units: 1751 1762 1764 1766 1767 1794 1796

This examiner grants 90% of resolved cases

Performance Statistics

89.6%
Allow Rate
+24.6% vs TC avg
1347
Total Applications
+7.8%
Interview Lift
845
Avg Prosecution Days
Based on 1313 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
17.0%
§102 Novelty
38.7%
§103 Obviousness
27.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18271547 Polymer Films Non-Final OA Fujifilm Corporation
18032866 Antibacterial Polymer, and Antibacterial Polymer Film Comprising the Same Non-Final OA LG Chem, Ltd.
18023671 CONTINUOUS POLYMERIZATION REACTOR FOR SUPER ABSORBENT POLYMER AND CONTINUOUS POLYMERIZATION REACTION SYSTEM Non-Final OA LG CHEM, LTD.
17784085 PELLET-TYPE POLYETHYLENE RESIN COMPOSITION AND METHOD FOR PREPARING THE SAME Non-Final OA LG CHEM, LTD.
18317237 VOC-FREE COUPLING AGENTS FOR RUBBER COMPOSITIONS Final Rejection The Goodyear Tire & Rubber Company
17951197 MEMBRANE ELECTRODE ASSEMBLY FOR WATER ELECTROLYSIS, WATER ELECTROLYSIS CELL INCLUDING THE MEMBRANE ELECTRODE ASSEMBLY AND METHOD FOR FABRICATING THE MEMBRANE ELECTRODE ASSEMBLY Non-Final OA IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
18265871 OLEFIN POLYMER AND PREPARATION METHOD THEREFOR Non-Final OA HANWHA SOLUTIONS CORPORATION
18269974 CHEMICALLY STABLE ION CONDUCTORS AND USES THEREOF Non-Final OA Technion Research & Development Foundation Limited
18451524 FLUORINE-CONTAINING COPOLYMER Non-Final OA DAIKIN INDUSTRIES, LTD.
18340164 METHOD FOR PRODUCING FLUOROPOLYMER Non-Final OA DAIKIN INDUSTRIES, LTD.
18284319 PROCESS FOR MAKING POLYPROPYLENE USING A SELECTIVITY CONTROL AGENT AND AN ACTIVITY LIMITING AGENT Non-Final OA SABIC GLOBAL TECHNOLOGIES B.V.
18029015 WATER REPELLENT COMPOSITION AND FIBER TREATMENT AGENT Non-Final OA SHIN-ETSU CHEMICAL CO., LTD.
18223607 HEAT-CURABLE BISMALEIMIDE RESIN COMPOSITION Non-Final OA Shin-Etsu Chemical Co., Ltd.
18322680 PROCESS FOR PREPARING CONJUGATED DIENE COMPOUND UTILIZING INTRAMOLECULAR SIGMATROPIC REARRANGEMENT REACTION Non-Final OA Shin-Etsu Chemical Co., Ltd.
18546187 COMPOSITION CONTAINING COMPOUND HAVING POLYOXYALKYLENE CHAIN AND COMPOUND HAVING POLY(METH)ACRYLATE CHAIN Non-Final OA Resonac Corporation
18550687 CATALYST COMPOSITIONS THAT HAVE MODIFIED ACTIVITY AND PROCESSES TO MAKE THEM Non-Final OA Dow Global Technologies LLC
18277322 BIPHENYLPHENOL POLYMERIZATION CATALYSTS HAVING IMPROVED KINETIC INDUCTION TIMES Non-Final OA Dow Global Technologies LLC
18254736 METHOD FOR MAKING A POLY(ETHYLENE-CO-1 -ALKENE) COPOLYMER WITH REVERSE COMONOMER DISTRIBUTION Non-Final OA Dow Global Technologies LLC
18039835 Polymerization Process and Arrangement Non-Final OA Borealis AG
18039535 PROCESS FOR THE PRODUCTION OF POLYOLEFIN COMPOSITIONS IN A MULTISTAGE PROCESS Non-Final OA Borealis AG
18254729 Catalyst Feed System Non-Final OA Borealis AG
18266517 SUSPENSION POLYMERIZATION OF ALKOXYAMINES WITH STYRENIC AND (METH)ACRYLIC MONOMERS Non-Final OA Arkema France
18266348 Fluorine-Containing Polymer Non-Final OA Central Glass Company, Limited
18194121 HIGH-PERFORMANCE HYDROXIDE EXCHANGE MEMBRANE Non-Final OA University of Maryland, College Park
18043453 PROCESS AND CATALYSTS FOR HYDROGEN MEDIATED ANIONIC POLYMERIZATION OF CONJUGATED DIENES AND LIQUID POLYMERS THEREOF Non-Final OA ALBEMARLE CORPORATION
18323212 CLAY COMPOSITE SUPPORT-ACTIVATORS AND CATALYST COMPOSITIONS Final Rejection Formosa Plastics Corporation, U.S.A.
18366043 Cross-Linkable Polymer Compositions and Applications Thereof Non-Final OA Notark Corporation
18256065 REACTOR FOR A GAS-PHASE OLEFIN POLYMERIZATION Non-Final OA Basell Polyolefine GmbH

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