Prosecution Insights
Last updated: April 19, 2026

Examiner: KASS-MULLET, BENJAMIN ELI

Tech Center 1700 • Art Units: 1752

This examiner grants 64% of resolved cases

Performance Statistics

64.3%
Allow Rate
-0.7% vs TC avg
76
Total Applications
-4.2%
Interview Lift
1309
Avg Prosecution Days
Based on 14 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
14.5%
§102 Novelty
67.9%
§103 Obviousness
11.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17985261 SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRICAL DEVICE Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18269222 CELL TRAY Non-Final OA LG ENERGY SOLUTION, LTD.
18267494 Heat Dissipation Member and Battery Pack Including Same Non-Final OA LG Energy Solution, Ltd.
18024184 NEGATIVE ELECTRODE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME Final Rejection LG ENERGY SOLUTION, LTD.
17926570 NEGATIVE ELECTRODE AND METHOD FOR MANUFACTURING SAME Final Rejection LG ENERGY SOLUTION, LTD.
17941284 Positive Electrode Active Material, Method for Producing the Same, and Positive Electrode and Lithium Secondary Battery Comprising the Same Final Rejection LG Energy Solution, Ltd.
17885722 SILICON-CONTAINING NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE INCLUDING SAME, AND SECONDARY BATTERY INCLUDING SAME Non-Final OA LG Energy Solution, LTD.
18267960 POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
17987175 Formation Method For Secondary Battery Final Rejection SK On Co., Ltd.
18062975 Battery Assembly Device Non-Final OA Kia Corporation
18003952 POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME Final Rejection Samsung SDI Co., Ltd.
18003842 POROUS COMPOSITE, ANODE AND LITHIUM BATTERY EACH INCLUDING SAME, AND METHOD FOR PREPARING SAME Final Rejection SAMSUNG SDI CO., LTD.
18013289 NEGATIVE ELECTRODE LAYER FOR ALL SOLID SECONDARY BATTERY, AND ALL SOLID SECONDARY BATTERY INCLUDING THE SAME Final Rejection SAMSUNG SDI CO., LTD.
17874733 SECONDARY BATTERY, ELECTRONIC DEVICE, AND POWER TOOL Final Rejection MURATA MANUFACTURING CO., LTD.
17689734 POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME Non-Final OA SK INNOVATION CO., LTD.
18036708 SYSTEMS FOR PUMP-FREE ZINC BROMIDE BATTERIES Non-Final OA The Trustees of Columbia University in the City of New York
18160790 COOLANT MANIFOLD RETENTION CLIP Final Rejection GM GLOBAL TECHNOLOGY OPERATIONS LLC
17824128 PACKAGE HOUSING AND BATTERY PACK Final Rejection Ningde Amperex Technology Limited
17909473 POSITIVE ACTIVE MATERIAL FOR ENERGY STORAGE DEVICE, POSITIVE ELECTRODE FOR ENERGY STORAGE DEVICE, ENERGY STORAGE DEVICE, AND ENERGY STORAGE APPARATUS Final Rejection GS Yuasa International Ltd.
17795020 ELECTRODE FORMULATION FOR A LI-ION BATTERY AND METHOD FOR MANUFACTURING AN ELECTRODE WITHOUT SOLVENT Non-Final OA Arkema France
18250016 ELECTROLYTE COMPRISING CROSSLINKED POLYMER WITH DISORDERED NETWORK Non-Final OA Factorial Inc.
17687982 BATTERY PACK WITH BATTERY CONTAINMENT SYSTEM COOLING GAS EXHAUSTED BY LITHIUM-ION BATTERY DURING THERMAL RUNAWAY CONDITION Non-Final OA Thales Avionics, Inc.
17783016 NONAQUEOUS ELECTROLYTE SECONDARY BATTERY Final Rejection SANYO Electric Co., Ltd.
18303572 SEALED BATTERY Non-Final OA PRIMEARTH EV ENERGY CO., LTD.
17785847 COBALT-FREE SINGLE CRYSTAL COMPOSITE MATERIAL, AND PREPARATION METHOD THEREFOR AND USE THEREOF Non-Final OA SVOLT ENERGY TECHNOLOGY CO., LTD.
18270720 MIXTURES AND/OR LAYERS COMPRISING CERAMIC PARTICLES AND A POLYMERIC SURFACTANT, AND RELATED ARTICLES AND METHODS Non-Final OA Sion Power Corporation
17909075 ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE COMPRISING SAME Non-Final OA Dongguan Amperex Technology Limited
18076800 ELECTROLYTIC COPPER FOIL HAVING HIGH TENSILE STRENGTH AND SECONDARY BATTERY COMPRISING THE SAME Final Rejection Volta Energy Solutions S.a.r.l.
17659463 METHODS AND SYSTEMS FOR CATHODE PRE-LITHIATION LAYER Final Rejection A123 Systems LLC
18191888 NEGATIVE ELECTRODE MATERIAL, NEGATIVE ELECTRODE, LITHIUM SECONDARY BATTERY, AND MANUFACTURING METHOD FOR NEGATIVE ELECTRODE MATERIAL Final Rejection Enpower Japan Corp.

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