Prosecution Insights
Last updated: August 18, 2026

Examiner: SONG, KEVIN

Tech Center 1700 • Art Units: 1728

This examiner grants 71% of resolved cases

Performance Statistics

71.1%
Allow Rate
+6.1% vs TC avg
85
Total Applications
+17.6%
Interview Lift
1306
Avg Prosecution Days
Based on 38 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
18.0%
§102 Novelty
72.2%
§103 Obviousness
8.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18430775 VEHICLE BATTERY COOLING DEVICE Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18386065 POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION BATTERY, POSITIVE ELECTRODE MATERIAL, POSITIVE ELECTRODE, SOLID-STATE BATTERY, POSITIVE ELECTRODE ACTIVE MATERIAL FOR SODIUM ION BATTERY, AND METHOD OF PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION BATTERY Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18140328 BATTERY AND BATTERY MODULE Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18023638 NONAQUEOUS ELECTROLYTE SECONDARY BATTERY Non-Final OA 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 Non-Final OA 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 Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18267570 HERMETICALLY SEALED BATTERY Final Rejection Panasonic Holdings Corporation
18172292 MANUFACTURING METHOD AND MANUFACTURING APPARATUS OF ELECTRODE STRUCTURE Final Rejection KABUSHIKI KAISHA TOSHIBA
17822800 LITHIUM METAL SECONDARY BATTERY Non-Final OA HONDA MOTOR CO., LTD.
18027529 Secondary Battery Non-Final OA LG Energy Solution, Ltd.
18020590 BATTERY PACK FRAME, BATTERY RACK AND ENERGY STORAGE SYSTEM COMPRISING THE SAME Final Rejection LG ENERGY SOLUTION, LTD.
17920938 METHOD FOR MANUFACTURING SEPARATOR FOR ELECTROCHEMICAL DEVICE AND SEPARATOR FOR ELECTROCHEMICAL DEVICE OBTAINED THEREBY 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 Non-Final OA LG ENERGY SOLUTION, LTD.
17908698 ALL-SOLID-STATE BATTERY Final Rejection TDK CORPORATION
17434164 SYNTHESIS OF GRAPHITIC SHELLS ON SILICON NANOPARTICLES Final Rejection The Regents of the University of California
18457624 CYLINDRICAL SECONDARY BATTERY Non-Final OA SAMSUNG SDI Co., Ltd.
17806833 LITHIUM COBALT-BASED OXIDE FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING CATHODE INCLUDING THE SAME Final Rejection Samsung SDI Co., Ltd.
18592838 CURRENT COLLECTOR, ELECTRODE PLATE, CELL, BATTERY, DEVICE MANUFACTURING METHOD AND APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18453514 BATTERY AND ELECTRIC DEVICE Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
17862131 SILICON-BASED MATERIAL, PREPARATION METHOD THEREOF, AND SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND APPARATUS ASSOCIATED THEREWITH Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED.
18135446 SEPARATOR ASSEMBLY FOR FUEL CELL AND FUEL CELL STACK INCLUDING THE SAME Final Rejection Kia Corporation
17989437 SYSTEM FOR MANUFACTURING BI-CELL OF ALL-SOLID-STATE BATTERY Non-Final OA KIA CORPORATION
17943856 SULFIDE SOLID ELECTROLYTE, METHOD OF PRODUCING THE SAME AND ALL-SOLID-STATE BATTERY COMPRISING THE SAME Non-Final OA Kia Corporation
18307902 SULFIDE BASED SOLID ELECTROLYTE, SOLID ELECTROLYTE LAYER, AND LITHIUM ION SECONDARY BATTERY Final Rejection AGC INC.
17864849 SOLID STATE BATTERY Final Rejection Murata Manufacturing Co., Ltd.
18300794 ELECTROCHEMICAL APPARATUS AND ELECTRONIC APPARATUS Non-Final OA Ningde Amperex Technology Limited
17953398 SOLID STATE BATTERY Final Rejection TeraWatt Technology K.K.

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