Prosecution Insights
Last updated: April 19, 2026

Examiner: SONG, KEVIN

Tech Center 1700 • Art Units: 1728

This examiner grants 70% of resolved cases

Performance Statistics

69.6%
Allow Rate
+4.6% vs TC avg
79
Total Applications
+27.5%
Interview Lift
1319
Avg Prosecution Days
Based on 23 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
18.0%
§102 Novelty
70.5%
§103 Obviousness
10.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17752195 STABLE PROTECTIVE OXIDE COATINGS FOR ANODES IN SOLID-STATE BATTERIES Non-Final OA Rivian IP Holdings, LLC
18027529 Secondary Battery Final Rejection LG Energy Solution, Ltd.
17983896 Novel Additives for Nonaqueous Electrolyte and Lithium Secondary Battery Containing the Same Non-Final OA LG Energy Solution, Ltd.
17909053 Secondary Battery Electrode Non-Final OA LG Energy Solution, Ltd.
17797824 METHOD FOR REUSING ACTIVE MATERIAL BY USING POSITIVE ELECTRODE SCRAP Non-Final OA LG ENERGY SOLUTION, LTD.
17860464 NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, METHOD FOR PREPARING NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY INCLUDING NEGATIVE ELECTRODE Final Rejection LG ENERGY SOLUTION, LTD.
17791868 BATTERY MODULE, BATTERY PACK COMPRISING SAME, AND VEHICLE COMPRISING SAME Final Rejection LG ENERGY SOLUTION, LTD.
18023638 NONAQUEOUS ELECTROLYTE SECONDARY BATTERY Final Rejection Panasonic Intellectual Property Management Co., Ltd.
17802195 CHARGE AND DISCHARGE METHOD FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND CHARGE AND DISCHARGE SYSTEM FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY Final Rejection PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
17795684 NON-AQUEOUS ELECTROLYTIC SOLUTION SECONDARY BATTERY Non-Final OA PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
17786940 SEPARATOR FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND METHOD FOR PRODUCING SEPARATOR FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES Final Rejection Panasonic Intellectual Property Management Co., Ltd.
18135446 SEPARATOR ASSEMBLY FOR FUEL CELL AND FUEL CELL STACK INCLUDING THE SAME Non-Final OA Kia Corporation
17943856 SULFIDE SOLID ELECTROLYTE, METHOD OF PRODUCING THE SAME AND ALL-SOLID-STATE BATTERY COMPRISING THE SAME Final Rejection Kia Corporation
17782707 SECONDARY BATTERY Final Rejection SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
17778538 SECONDARY BATTERY, METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL, PORTABLE INFORMATION TERMINAL, AND VEHICLE Final Rejection SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
18140328 BATTERY AND BATTERY MODULE Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
17862131 SILICON-BASED MATERIAL, PREPARATION METHOD THEREOF, AND SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND APPARATUS ASSOCIATED THEREWITH Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED.
18172292 MANUFACTURING METHOD AND MANUFACTURING APPARATUS OF ELECTRODE STRUCTURE Non-Final OA KABUSHIKI KAISHA TOSHIBA
17908698 ALL-SOLID-STATE BATTERY Non-Final OA TDK CORPORATION
18176102 SECONDARY BATTERY ELECTRODE MIXTURE, SECONDARY BATTERY ELECTRODE MIXTURE SHEET AND PRODUCTION METHOD THEREOF, AND SECONDARY BATTERY Non-Final OA DAIKIN INDUSTRIES, LTD.
17806833 LITHIUM COBALT-BASED OXIDE FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING CATHODE INCLUDING THE SAME Non-Final OA Samsung SDI Co., Ltd.
17986106 SECONDARY BATTERY Final Rejection MURATA MANUFACTURING CO., LTD.
17864849 SOLID STATE BATTERY Non-Final OA Murata Manufacturing Co., Ltd.
18296105 REBALANCING METHODS AND SYSTEMS FOR REDOX FLOW BATTERIES Non-Final OA UOP LLC
17865284 ANODE FOR LITHIUM SECONDARY BATTERY INCLUDING STABLE SOLID ELECTROLYTE INTERPHASE LAYER AND ELECTROLYTE COMPOSITION FOR MANUFACTURING SAME Non-Final OA ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY
17909920 NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Final Rejection SANYO Electric Co., Ltd.
17795109 NON-AQUEOUS ELECTROLYTIC SECONDARY BATTERY Final Rejection SANYO Electric Co., Ltd.
17796253 NEGATIVE ELECTRODE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY AND METHOD OF PRODUCING SAME, NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY Non-Final OA SHOWA DENKO MATERIALS CO., LTD.
18138007 Battery and Non-Metallic Explosion-Proof Valve Structure Thereof Final Rejection JIANGSU ZENERGY BATTERY TECHNOLOGIES CO., LTD.
17927034 SI-CONTAINING COMPOSITE ANODE FOR ENERGY STORAGE DEVICES Non-Final OA NANORAMIC, INC.

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