Prosecution Insights
Last updated: April 19, 2026

Examiner: WEINER, LAURA S

Tech Center 1700 • Art Units: 1723 1726 1727 1795

This examiner grants 85% of resolved cases

Performance Statistics

85.3%
Allow Rate
+20.3% vs TC avg
1182
Total Applications
+13.7%
Interview Lift
1210
Avg Prosecution Days
Based on 1139 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
22.4%
§102 Novelty
29.9%
§103 Obviousness
34.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19262402 SEPARATOR, BATTERY CELL, BATTERY AND ELECTRICAL APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18308691 POSITIVE ELECTRODE ACTIVE MATERIAL, ELECTROCHEMICAL APPARTUS, AND ELECTRONIC DEVICE Final Rejection Contemporary Amperex Technology Co., Limited
19237573 HIGH PERFORMANCE ELECTROLYTE FOR ELECTROCHEMICAL ENERGY STORAGE DEVICES, AND METHODS OF PRODUCING THE SAME Final Rejection 24M Technologies, Inc.
19229418 HIGH PERFORMANCE ELECTROLYTE FOR ELECTROCHEMICAL ENERGY STORAGE DEVICES, AND METHODS OF PRODUCING THE SAME Final Rejection 24M Technologies, Inc.
17773180 Electrode for Secondary Battery and Method for Manufacturing the Same Non-Final OA LG Energy Solution, Ltd.
17793549 LITHIUM PRIMARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SOLUTION FOR LITHIUM PRIMARY BATTERY Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
17640249 POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY Final Rejection Panasonic Corporation
17933514 ANODE ACTIVE MATERIAL LAYER, AND ALKALINE STORAGE BATTERY Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
19057902 SEPARATOR, PREPARATION METHOD THEREOF, AND SECONDARY BATTERY AND ELECTRIC APPARATUS RELATED THERETO Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
17819303 ELECTROLYTE SOLUTION, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK AND DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
19182652 SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRICAL DEVICE Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY (HONK KONG) LIMITED
18044366 NON-AQUEOUS ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME Final Rejection SAMSUNG SDI CO., LTD.
17773347 ELECTROLYTE SOLUTION Non-Final OA TOSOH CORPORATION
17928300 SINTERED BODY ELECTRODE, BATTERY MEMBER, SINTERED BODY ELECTRODE AND BATTERY MEMBER MANUFACTURING METHODS, SOLID ELECTROLYTE PRECURSOR SOLUTION, SOLID ELECTROLYTE PRECURSOR, AND SOLID ELECTROLYTE Final Rejection NIPPON ELECTRIC GLASS CO., LTD.
18369331 ELECTRODE SURFACE ENGINEERING IN LITHIUM ION BATTERIES Final Rejection Carnegie Mellon University
17907633 SOLID-STATE ELECTROCHEMICAL CELLS, PROCESSES FOR THEIR PREPARATION AND USES THEREOF Non-Final OA HYDRO-QUÉBEC
17801763 ALUMINUM-ION BATTERY USING ALUMINUM CHLORIDE/TRIMETHYLAMINE IONIC LIQUID AS ELECTROLYTE Final Rejection THE GOVERNING COUNCIL OF THE UNIVERSITY OF TORONTO
18397118 NONAQUEOUS ELECTROLYTE SOLUTION AND NONAQUEOUS ELECTROLYTE BATTERY USING SAME Non-Final OA MU IONIC SOLUTIONS CORPORATION
17816592 GLASSY SOLID-STATE ELECTRODES AND METHODS OF MAKING GLASSY SOLID-STATE ELECTRODES AND BATTERY CELLS THEREOF Final Rejection PolyPlus Battery Company
18264634 BATTERY Non-Final OA ENVISION AESC JAPAN LTD.
18118948 LITHIUM SECONDARY BATTERY Non-Final OA TeraWatt Technology K.K.
18008702 MODIFIED CATHODE FOR HIGH-VOLTAGE LITHIUM-ION BATTERY AND METHODS OF MANUFACTURING THEREOF Final Rejection Shanghai Institute of Ceramics, Chinese Academy of Sciences
18079829 Branching Nickel Powder Additive for Resistance Reduction in a Battery and Battery Materials Non-Final OA HANSEN, GEORGE CLAYTON
18079821 Precision Chopped Fiber and Nanostrand Combination Additive for Resistance Reduction in a Battery and Battery Materials Non-Final OA HANSEN, GEORGE CLAYTON
18079820 Nanostrand Additive for Resistance Reduction in a Battery and Battery Materials Non-Final OA HANSEN, GEORGE CLAYTON
18079825 Precision Chopped Fiber and Branching Nickel Powder Combination Additive for Resistance Reduction in a Battery and Battery Materials Non-Final OA HANSEN, GEORGE CLAYTON
18079811 Metal-Coated Fiber Additive Selection for Resistance Reduction in a Battery and Battery Materials Non-Final OA HANSEN, GEORGE CLAYTON
17788818 DUAL ELECTROLYTE APPROACH TO INCREASE ENERGY DENSITY OF AQUEOUS METAL-BASED BATTERIES Non-Final OA URBAN ELECTRIC POWER INC.

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