Prosecution Insights
Last updated: August 18, 2026

Examiner: JACOBSON, SARAH JORDAN

Tech Center 4100 • Art Units: 1785 1794 4100

This examiner grants 59% of resolved cases

Performance Statistics

59.1%
Allow Rate
-0.9% vs TC avg
75
Total Applications
+69.2%
Interview Lift
1316
Avg Prosecution Days
Based on 22 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
29.0%
§102 Novelty
48.5%
§103 Obviousness
19.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18574244 LITHIUM SECONDARY BATTERY Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
17799064 POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Final Rejection Panasonic Intellectual Property Management Co., Ltd.
17841840 ELECTROCHEMICAL CELL CATALYST LAYERS Non-Final OA Robert Bosch GmbH
18025954 Positive Electrode Active Material, Method of Preparing the Same, and Positive Electrode Material, Positive Electrode, and Lithium Secondary Battery Which Include the Same Final Rejection LG Chem, Ltd.
18016232 SEPARATOR AND ELECTOCHEMICAL DEVICE INCLUDING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
17912968 HIGH-ADHESION SEPARATOR FOR BATTERIES INCLUDING PVAC-PMA COPOLYMER AND SECONDARY BATTERY INCLUDING THE SAME Final Rejection LG ENERGY SOLUTION, LTD.
17771148 NEGATIVE ELECTRODE AND SECONDARY BATTERY INCLUDING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
17699881 POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY Final Rejection TDK CORPORATION
17999218 PROCESS FOR MAKING AN ELECTRODE, AND ELECTRODE ACTIVE MATERIALS Non-Final OA BASF SE
17976482 SECONDARY BATTERY Non-Final OA Samsung SDI Co., Ltd.
17865687 BATTERY WITH INTEGRATED BUS BAR COOLING SYSTEM AND MOTOR VEHICLE Non-Final OA AUDI AG
17704201 Lithium Secondary Battery and Method of Fabricating Cathode for Lithium Secondary Battery Non-Final OA SK ON CO., LTD.
17686196 LITHIUM SECONDARY BATTERY Non-Final OA SK ON CO., LTD.
18188533 Anode Active Material for Lithium Secondary Battery and Lithium Secondary Battery Including the Same Final Rejection SK Innovation Co., Ltd.
18093463 NEGATIVE ELECTRODE INCLUDING SILICON-BASED NEGATIVE ELECTRODE ACTIVE MATERIAL AND SECONDARY BATTERY INCLUDING THE SAME Final Rejection SK INNOVATION CO., LTD.
17894402 VEHICLE BATTERY PACK CASE AND ITS REPLACEMENT SYSTEM Non-Final OA Kia Corporation
17977043 ELECTRODE SHEET, WINDING BATTERY CORE, AND BATTERY Final Rejection BYD COMPANY LIMITED
17863770 METHOD FOR PRODUCING PACKAGING MATERIAL FOR BATTERIES AND BATTERY Final Rejection DAI NIPPON PRINTING CO., LTD.
17713187 RECHARGEABLE METAL HALIDE BATTERY Final Rejection International Business Machines Corporation
17786218 ELECTRODE, BATTERY CELL, CELL STACK, BATTERY SYSTEM, AND METHOD FOR MANUFACTURING ELECTRODE Non-Final OA SUMITOMO ELECTRIC INDUSTRIES, LTD.
18017823 POROUS CARBON STRUCTURE, MANUFACTURING METHOD THEREFOR, AND BATTERY COMPRISING SAME Final Rejection 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 Final Rejection KURARAY CO., LTD.
18246560 COOLING A BATTERY BY IMMERSION IN A COMPOSITION WITH A CHANGE IN STATE Final Rejection ARKEMA FRANCE
17900219 ELECTROCHEMICAL APPARATUS AND ELECTRONIC APPARATUS Final Rejection Ningde Amperex Technology Limited
18260335 COMPOSITION FOR ELECTROCHEMICAL DEVICE FUNCTIONAL LAYER, LAMINATE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE Final Rejection ZEON CORPORATION

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