Prosecution Insights
Last updated: August 18, 2026

Examiner: BROWN, SEAN ROBERT

Tech Center 4100 • Art Units: 1743 4100

This examiner grants 50% of resolved cases

Performance Statistics

50.0%
Allow Rate
-10.0% vs TC avg
31
Total Applications
+100.0%
Interview Lift
1163
Avg Prosecution Days
Based on 4 resolved cases, 2023–2026

Rejection Statute Breakdown

2.4%
§101 Eligibility
14.3%
§102 Novelty
59.5%
§103 Obviousness
21.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18204546 SECONDARY BATTERY Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18682901 BATTERY PACK Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18125852 SOLID-STATE BATTERY Non-Final OA HONDA MOTOR CO., LTD.
18035039 POROUS SOLID COMPOUND, METHOD FOR PREPARING SAME, CATHODE FOR LITHIUM SECONDARY BATTERY COMPRISING POROUS SOLID COMPOUND, AND LITHIUM SECONDARY BATTERY Final Rejection LG ENERGY SOLUTION, LTD.
18386318 BATTERY SYSTEM AND ELECTRONIC DEVICE INCLUDING THE SAME Non-Final OA SAMSUNG SDI CO., LTD.
18448496 BATTERY AND ELECTRICAL APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18351174 END CAP, BATTERY CELL, BATTERY AND POWER CONSUMING DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18352254 BATTERY BOX, BATTERY, ELECTRIC DEVICE, AND METHOD AND DEVICE FOR MANUFACTURING BATTERY Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18324047 BATTERY SYSTEM Final Rejection DENSO CORPORATION
18194858 ELECTRODE FOR SECONDARY BATTERY, METHOD OF MANUFACTURING THE SAME, AND SECONDARY BATTERY COMPRISING THE SAME Final Rejection SK ON CO., LTD.
18485313 LITHIUM SECONDARY BATTERY Non-Final OA SK INNOVATION CO., LTD.
18275779 ELECTRODE CATALYST, MANUFACTURING METHOD THEREFOR, AND FUEL CELL Non-Final OA Mitsui Mining & Smelting Co., Ltd.
18448491 LITHIUM AND MANGANESE RICH POSITIVE ACTIVE MATERIAL COMPOSITIONS Non-Final OA FORD GLOBAL TECHNOLOGIES, LLC
18320377 CAP ASSEMBLY, METHOD FOR MAKING ITS CONNECTOR, AND BATTERY WITH THIS CAP ASSEMBLY Non-Final OA Techtronic Cordless GP
18318148 SOLID ELECTROLYTE CERAMIC AND SOLID-STATE BATTERY Final Rejection Murata Manufacturing Co., Ltd.
18318154 SOLID ELECTROLYTE CERAMIC AND SOLID-STATE BATTERY Final Rejection Murata Manufacturing Co., Ltd.
18127073 METHOD FOR PREPARING A LITHIUM ION SECONDARY BATTERY AND A LITHIUM ION SECONDARY BATTERY PREPARED THEREFROM Final Rejection MURATA MANUFACTURING CO., LTD.
18519306 LOGIC BASED INEGRATED SELF-CONTAINED DRAIN VALVE Non-Final OA GM Global Technology Operations LLC
18194061 BATTERY MODULE OF A BATTERY PACK FOR AN ELECTRIC VEHICLE Non-Final OA GM Global Technology Operations LLC
18270325 IONIC LIQUID BASED ON BIS(FLUOROSULFONYL)IMIDE Non-Final OA ARKEMA FRANCE

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