Prosecution Insights
Last updated: August 17, 2026

Examiner: ZEMUI, NATHANAEL T

Tech Center 1700 • Art Units: 1723 1725 1727

This examiner grants 56% of resolved cases

Performance Statistics

55.7%
Allow Rate
-9.3% vs TC avg
532
Total Applications
+24.3%
Interview Lift
1332
Avg Prosecution Days
Based on 474 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
17.4%
§102 Novelty
66.2%
§103 Obviousness
14.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18659032 NEGATIVE ELECTRODE FOR BATTERY, BATTERY, AND METHOD FOR MANUFACTURING NEGATIVE ELECTRODE FOR BATTERY Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18028695 LITHIUM ION SECONDARY BATTERY Final Rejection Panasonic Intellectual Property Management Co., Ltd.
17659774 MAGNESIUM SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SOLUTION FOR MAGNESIUM SECONDARY BATTERY Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
19434362 PROCESSING AID FOR ELECTRODE FABRICATION Final Rejection ARKEMA INC.
18422000 SECONDARY BATTERY AND SECONDARY BATTERY MODULE Non-Final OA HONDA MOTOR CO., LTD.
17985756 MANGANESE OXIDES AND CATHODE ACTIVE MATERIALS Final Rejection Honda Motor Co., Ltd.
18180129 INORGANIC SOLID ELECTROLYTE-CONTAINING COMPOSITION, SHEET FOR ALL-SOLID STATE SECONDARY BATTERY, AND ALL-SOLID STATE SECONDARY BATTERY, AND MANUFACTURING METHODS FOR SHEET FOR ALL-SOLID STATE SECONDARY BATTERY AND ALL-SOLID STATE SECONDARY BATTERY Final Rejection FUJIFILM Corporation
19332345 Positive Electrode and Lithium Secondary Battery Including the Same Final Rejection LG Energy Solution, Ltd.
17780642 Positive Electrode Optimized for Improving High-Temperature Life Characteristics and Secondary Battery Comprising the Same Non-Final OA LG Energy Solution, Ltd.
17774588 Battery Module and Battery Pack Including the Same Non-Final OA LG Energy Solution, Ltd.
17772644 Crosslinked Separator for Lithium Secondary Battery Including Crosslinked Polyolefin and Method for Manufacturing the Same Final Rejection LG Energy Solution, Ltd.
17765642 BATTERY PACK AND DEVICE INCLUDING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
17760813 Separation Membrane for Electrochemical Device, Electrochemical Device Comprising Same Separation Membrane, and Method for Manufacturing Same Separation Membrane Non-Final OA LG Energy Solution, Ltd.
19368893 NICKEL-BASED LITHIUM METAL COMPOSITE OXIDE, PREPARING METHOD THEREOF, AND LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE INCLUDING THE SAME Non-Final OA SAMSUNG SDI CO., LTD.
17446044 ALL-SOLID SECONDARY BATTERY Non-Final OA Samsung SDI Co., Ltd.
17359143 NICKEL-BASED LITHIUM METAL COMPOSITE OXIDE, PREPARING METHOD THEREOF, AND LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE INCLUDING THE SAME Final Rejection Samsung SDI Co., Ltd.
19246260 BATTERY CELL AND PREPARATION METHOD THEREFOR, BATTERY AND ELECTRICAL APPARATUS Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
19237007 POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE SHEET, SECONDARY BATTERY, AND ELECTRIC DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18637433 BATTERY AND POWER CONSUMING DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18512056 Secondary Battery, Battery Module, Battery Pack and Electrical Device Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18180831 POSITIVE ELECTRODE ACTIVE MATERIAL AND RELATED ELECTRODE SHEET, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK AND APPARATUS THEREOF Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18342513 BATTERY PACK AND ELECTRICAL COMPONENTS Non-Final OA Rivian IP Holdings, LLC
18277307 METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE Non-Final OA Mitsui Mining & Smelting Co., Ltd.
18362258 BATTERY PACK DEVICE FOR VEHICLE Non-Final OA Kia Corporation
18079445 SOLID ELECTROLYTE FREE-STANDING MEMBRANE FOR ALL-SOLID-STATE BATTERY AND MANUFACTURING METHOD THEREOF Non-Final OA KIA CORPORATION
18051879 CURRENT COLLECTOR AND APPLICATION THEREOF Non-Final OA ZHUHAI COSMX BATTERY CO., LTD.
18681794 POSITIVE ELECTRODE FOR ALL-SOLID-STATE BATTERY AND ALL-SOLID-STATE BATTERY COMPRISING SAME Non-Final OA IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)

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