Prosecution Insights
Last updated: May 29, 2026

Examiner: LENIHAN, JEFFREY S

Tech Center 1700 • Art Units: 1743 1765 1796

This examiner grants 73% of resolved cases

Performance Statistics

73.2%
Allow Rate
+8.2% vs TC avg
960
Total Applications
+16.7%
Interview Lift
1071
Avg Prosecution Days
Based on 913 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
5.0%
§102 Novelty
75.3%
§103 Obviousness
18.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17286172 ADDITIVES TO STABILIZE POLYACRYLAMIDE CO-POLYMER SOLUTIONS UNDER HIGH SHEAR CONDITIONS Final Rejection BASF SE
18026113 THERMOPLASTIC RESIN COMPOSITION, METHOD OF PREPARING THE SAME, AND MOLDED ARTICLE MANUFACTURED USING THE SAME Non-Final OA LG CHEM, LTD.
18121794 RESIN COMPOSITION TO BE CROSS-LINKED AND FOAMED Final Rejection MIZUNO CORPORATION
19113744 BIMODAL HDPE AND POLYETHYLENE BLEND CONTAINING VIRGIN AND RECYCLED HDPE MATERIALS Non-Final OA Dow Quimica Mexicana S.A.de C.V.
17786777 HETEROPHASIC PROPYLENE COPOLYMER COMPOSITION Non-Final OA SABIC GLOBAL TECHNOLOGIES B.V.
18272898 FILM MADE FROM C2C3C4 TERPOLYMER - C3C4 COPOLYMER BLEND AND C2C3C4 TERPOLYMER - C3C4 COPOLYMER BLEND Non-Final OA Borealis AG
17052233 IMPROVING RHEOLOGICAL PROPERTIES OF THERMOPLASTIC POLYOLEFIN COMPOSITIONS Final Rejection Borealis AG
17784100 POLYPROPYLENE-BASED RESIN COMPOSITION AND MOLDED PRODUCT THEREOF Final Rejection PRIME POLYMER CO., LTD.
17627142 COPOLYMERS WITH HARD POLYAMIDE BLOCKS AND SOFT BLOCKS COMPRISING POLYETHYLENE GLYCOL Non-Final OA Arkema France
17614683 Additives, Corresponding Uses, Insulation Systems, and Electric Machines Non-Final OA Innomotics GmbH
18027475 RESIN COMPOSITION Non-Final OA ZEON CORPORATION
17997780 MASTERBATCH, RESIN COMPOSITION, POLYOLEFIN RESIN FILM AND PRODUCTION METHOD THEREFOR, AND LAMINATE FILM Non-Final OA Takemoto Yushi Kabushiki Kaisha
17612139 POLYAMIDE-BASED RESIN COMPOSITION FOR INJECTION MOLDING AND SLIDING COMPONENT FORMED THEREFROM Final Rejection TOYOBO CO., LTD.
17780323 RESIN PELLET, METHOD OF MANUFACTURING RESIN PELLET, GRAVURE INK AND WIRE COATING MATERIAL Non-Final OA DOW-MITSUI POLYCHEMICALS CO., LTD.
18258129 ANTIBACTERIAL AND ANTIVIRAL MOLDED BODY, AND MASTER BATCH Non-Final OA RM TOHCELLO., LTD.
18248996 PROPYLENE-BUTENE COPOLYMER, PREPARATION METHOD THEREFOR AND USE THEREOF Non-Final OA BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION
18044331 HEAT STABLE ETHYLENE COPOLYMER RUBBER BLENDS Final Rejection ARLANXEO NETHERLANDS B.V.
17925497 ETHYLENE-COPOLYMER RUBBERS Non-Final OA ARLANXEO NETHERLANDS B.V.
17945336 POLYETHYLENE COMPOSITION FOR BLOW MOLDING HAVING AN IMPROVED SWELL BEHAVIOR Non-Final OA Basell Polyolefine GmbH
17770228 POLYPROPYLENE MODIFYING AGENT AND PREPARATION METHOD THEREFOR, POLYPROPYLENE COMPOSITION, AND POLYPROPYLENE MATERIAL AND PREPARATION METHOD THEREFOR Final Rejection NATIONAL INSTITUTE OF CLEAN-AND-LOW-CARBON ENERGY
17634388 COMPOSITES AND USES THEREOF Non-Final OA SOLUTUM TECHNOLOGIES LTD

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