Prosecution Insights
Last updated: April 19, 2026

Examiner: JACOBSON, SARAH JORDAN

Tech Center 1700 • Art Units: 1785

This examiner grants 75% of resolved cases

Performance Statistics

75.0%
Allow Rate
+10.0% vs TC avg
71
Total Applications
+50.0%
Interview Lift
1215
Avg Prosecution Days
Based on 12 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
31.5%
§102 Novelty
44.2%
§103 Obviousness
21.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18016232 SEPARATOR AND ELECTOCHEMICAL DEVICE INCLUDING THE SAME Final Rejection LG ENERGY SOLUTION, LTD.
17912968 HIGH-ADHESION SEPARATOR FOR BATTERIES INCLUDING PVAC-PMA COPOLYMER AND SECONDARY BATTERY INCLUDING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
17771712 Secondary Battery, Method For Manufacturing The Secondary Battery, And Battery Pack Comprising The Secondary Battery Non-Final OA LG Energy Solution, Ltd.
17771148 NEGATIVE ELECTRODE AND SECONDARY BATTERY INCLUDING THE SAME Final Rejection LG ENERGY SOLUTION, LTD.
18028929 POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERIES, AND SECONDARY BATTERY Final Rejection Panasonic Intellectual Property Management Co., Ltd.
17927321 NEGATIVE-ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERIES, AND SECONDARY BATTERY Final Rejection PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
17799064 POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18025954 Positive Electrode Active Material, Method of Preparing the Same, and Positive Electrode Material, Positive Electrode, and Lithium Secondary Battery Which Include the Same Non-Final OA LG Chem, Ltd.
17894402 VEHICLE BATTERY PACK CASE AND ITS REPLACEMENT SYSTEM Final Rejection Kia Corporation
17678529 ALL-SOLID-STATE LITHIUM BATTERY Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
17713187 RECHARGEABLE METAL HALIDE BATTERY Non-Final OA International Business Machines Corporation
17977043 ELECTRODE SHEET, WINDING BATTERY CORE, AND BATTERY Non-Final OA BYD COMPANY LIMITED
18114636 BATTERY COOLING SYSTEM Final Rejection HONDA MOTOR CO., LTD.
18010183 POSITIVE ELECTRODE BINDER FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME Final Rejection SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
17699881 POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY Final Rejection TDK CORPORATION
17976482 SECONDARY BATTERY Final Rejection Samsung SDI Co., Ltd.
18177550 POSITIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME Final Rejection ECOPRO BM CO., LTD.
17786218 ELECTRODE, BATTERY CELL, CELL STACK, BATTERY SYSTEM, AND METHOD FOR MANUFACTURING ELECTRODE Non-Final OA SUMITOMO ELECTRIC INDUSTRIES, LTD.
18188533 Anode Active Material for Lithium Secondary Battery and Lithium Secondary Battery Including the Same Non-Final OA SK Innovation Co., Ltd.
18093463 NEGATIVE ELECTRODE INCLUDING SILICON-BASED NEGATIVE ELECTRODE ACTIVE MATERIAL AND SECONDARY BATTERY INCLUDING THE SAME Non-Final OA SK INNOVATION CO., LTD.
18017823 POROUS CARBON STRUCTURE, MANUFACTURING METHOD THEREFOR, AND BATTERY COMPRISING SAME Non-Final OA INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
17921650 ADDITIVE FOR POSITIVE ELECTRODE OF ELECTROCHEMICAL DEVICE, COMPOSITION FOR POSITIVE ELECTRODE OF ELECTROCHEMICAL DEVICE, POSITIVE ELECTRODE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE INCLUDING SAME Non-Final OA KURARAY CO., LTD.
17937136 SEI PREFORMED GRAPHITE AND ASSOCIATED METHODS, APPARATUS, AND PRODUCTS Final Rejection The Trustees of Indiana University
18260335 COMPOSITION FOR ELECTROCHEMICAL DEVICE FUNCTIONAL LAYER, LAMINATE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE Non-Final OA ZEON CORPORATION
17913570 LITHIUM SECONDARY BATTERY Final Rejection MITSUI CHEMICALS, INC.
17900219 ELECTROCHEMICAL APPARATUS AND ELECTRONIC APPARATUS Non-Final OA Ningde Amperex Technology Limited
18246560 COOLING A BATTERY BY IMMERSION IN A COMPOSITION WITH A CHANGE IN STATE Non-Final OA ARKEMA FRANCE
17988770 ELECTROLYTE, ELECTROCHEMICAL DEVICE THEREOF, AND ELECTRONIC DEVICE THEREOF Non-Final OA AESC Japan Ltd.
17796063 SWAPPABLE BATTERY PACK SYSTEM AND A METHOD THEREOF Final Rejection EXICOM TELE-SYSTEMS LIMITED
18167065 POSITIVE ELECTRODE PLATE, SECONDARY BATTERY AND PREPARATION METHOD THEREOF AND BATTERY MODULE, BATTERY PACK AND POWER CONSUMING DEVICE COMPRISING THE SECONDARY BATTERY Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY (HONGKONG) LIMITED

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