Prosecution Insights
Last updated: May 29, 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
1,188
Total Applications
+13.6%
Interview Lift
1143
Avg Prosecution Days
Based on 1144 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
15.9%
§102 Novelty
50.8%
§103 Obviousness
17.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17773180 Electrode for Secondary Battery and Method for Manufacturing the Same Non-Final OA LG Energy Solution, Ltd.
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.
19068624 SOLID ELECTROLYTE, PREPARATION METHOD THEREOF, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRIC APPARATUS Non-Final OA 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
17793549 LITHIUM PRIMARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SOLUTION FOR LITHIUM PRIMARY BATTERY Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
17842587 BATTERY Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
17933514 ANODE ACTIVE MATERIAL LAYER, AND ALKALINE STORAGE BATTERY Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
19182652 SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRICAL DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONK KONG) LIMITED
18191891 FLUORIDE ION SECONDARY BATTERY Non-Final OA HONDA MOTOR CO., LTD.
17997354 NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME Non-Final OA SAMSUNG SDI CO., LTD.
18305491 ELECTROLYTE COMPOSITION, QUASI-SOLID ELECTROLYTE AND LITHIUM-ION BATTERY EMPLOYING THE SAME Non-Final OA INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
17773347 ELECTROLYTE SOLUTION Non-Final OA TOSOH CORPORATION
17573178 Heterocyclic Electrolyte Additives for Rechargeable Metal Batteries Non-Final OA U.S. Army DEVCOM, Army Research Laboratory
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.
17907633 SOLID-STATE ELECTROCHEMICAL CELLS, PROCESSES FOR THEIR PREPARATION AND USES THEREOF Final Rejection 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
18044835 COMPOSITION Non-Final OA Mexichem Fluor S.A. de C.V.
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 BATTERY ELECTRON TRANSPORT ASSOCIATES, INC.
18079811 Metal-Coated Fiber Additive Selection for Resistance Reduction in a Battery and Battery Materials Non-Final OA BATTERY ELECTRON TRANSPORT ASSOCIATES, INC.
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
18079821 Precision Chopped Fiber and Nanostrand Combination Additive 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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