Prosecution Insights
Last updated: August 18, 2026

Examiner: AMPONSAH, OSEI K

Tech Center 1700 • Art Units: 1729 1752

This examiner grants 72% of resolved cases

Performance Statistics

72.3%
Allow Rate
+7.3% vs TC avg
753
Total Applications
+33.2%
Interview Lift
1210
Avg Prosecution Days
Based on 698 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
16.7%
§102 Novelty
69.4%
§103 Obviousness
8.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18292678 LITHIUM SECONDARY BATTERY Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18037228 BATTERY MODULE Final Rejection Panasonic Intellectual Property Management Co., Ltd.
17788097 NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18038161 POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Final Rejection Panasonic Energy Co., Ltd.
18181562 ELECTRODE MATERIAL MIXTURE SLURRY, SOLID-STATE CELL ELECTRODE AND SOLID-STATE CELL Non-Final OA HONDA MOTOR CO., LTD.
18593201 NEGATIVE ELECTRODE COLLECTOR AND CAN-TYPE SECONDARY BATTERY Non-Final OA LG ENERGY SOLUTION, LTD.
18289505 LITHIUM SECONDARY BATTERY WITH A SI-BASED NEGATIVE ELECTRODE MATERIAL AND INCLUDING NICKEL AS A POSITIVE ELECTRODE MATERIAL Non-Final OA LG ENERGY SOLUTION, LTD.
18284234 Positive Electrode Active Material, Positive Electrode Active Material Slurry, Positive Electrode, Lithium-Ion Secondary Battery and Method for Preparing Positive Electrode Active Material Non-Final OA LG Energy Solution, Ltd.
18270592 BATTERY MODULE AND BATTERY PACK AND METHOD PERFORMED BY HYDROGEN SULFIDE NEUTRALIZATION SYSTEM Final Rejection LG ENERGY SOLUTION, LTD.
18025858 NON-AQUEOUS ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME Final Rejection LG Energy Solution, Ltd.
17293090 ENERGY STORAGE ROLLING CAPACITY CHECK INCLUDING IN-SITU LIFE MODEL COMPARISON Non-Final OA GENERAL ELECTRIC COMPANY
17729236 POSITIVE ELECTRODE ACTIVE MATERIAL AND MANUFACTURING METHOD OF POSITIVE ELECTRODE ACTIVE MATERIAL Non-Final OA SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
18495391 POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE INCLUDING THE SAME Non-Final OA Samsung SDI Co., Ltd.
18489767 BUSBAR FOR BATTERY MODULE AND BATTERY MODULE INCLUDING THE SAME Non-Final OA SAMSUNG SDI CO., LTD.
18615724 HEAT EXCHANGE PLATE, BATTERY, ELECTRIC APPARATUS, AND MANUFACTURING METHOD OF BATTERY Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18448374 BATTERY AND ELECTRIC APPARATUS Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18228335 SECONDARY BATTERY, METHOD FOR PREPARING SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRICAL APPARATUS Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
19017808 ELECTROLYTE FOR SODIUM SECONDARY BATTERY, SODIUM SECONDARY BATTERY, AND ELECTRIC APPARATUS Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18948546 ELECTROLYTE SOLUTION AND SECONDARY BATTERY CONTAINING SAME, BATTERY MODULE, BATTERY PACK, AND ELECTRICAL DEVICE Non-Final OA Contemporary Amperex Technology (Hong Kong) Limited
18883979 BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18049873 ELECTROLYTES AND COMPONENTS THEREOF Final Rejection Rivian IP Holdings, LLC
17570622 SERPENTINE COUNTER FLOW COLD PLATE FOR A VEHICLE BATTERY MODULE Final Rejection Rivian IP Holdings, LLC
18195732 ELECTRICITY-GENERATING ASSEMBLY FABRICATION APPARATUS AND METHOD Final Rejection KIA CORPORATION
18385456 Nonaqueous Electrolyte Solution and Nonaqueous Electrolyte Secondary Battery Final Rejection Asahi Kasei Kabushiki Kaisha
18579103 ELECTROCHEMICAL ENERGY STORAGE DEVICE Non-Final OA NGK INSULATORS LTD.
18194274 ORGANIC CARBONATE-BASED HIGH FLASH POINT ELECTROLYTE Non-Final OA KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
18119924 PRODUCTION METHOD FOR SULFIDE SOLID ELECTROLYTE Final Rejection IDEMITSU KOSAN CO., LTD.
18564099 ENERGY STORAGE APPARATUS Non-Final OA GS Yuasa International Ltd.
18119000 LITHIUM SECONDARY BATTERY Non-Final OA TeraWatt Technology K.K.
17639292 POWER SUPPLY ASSEMBLY FOR A MOTOR VEHICLE Non-Final OA Renault S.A.S.

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