Prosecution Insights
Last updated: May 29, 2026

Examiner: WEI, ZHONGQING

Tech Center 1700 • Art Units: 1726 1727

This examiner grants 58% of resolved cases

Performance Statistics

58.4%
Allow Rate
-6.6% vs TC avg
456
Total Applications
+16.4%
Interview Lift
1257
Avg Prosecution Days
Based on 406 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
2.2%
§102 Novelty
86.9%
§103 Obviousness
1.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19222421 Lithium Secondary Battery Non-Final OA LG Energy Solution, Ltd.
18708759 NEGATIVE ELECTRODE ACTIVE MATERIAL, AND NEGATIVE ELECTRODE AND SECONDARY BATTERY WHICH INCLUDE THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18373614 Negative Electrode and Secondary Battery Final Rejection LG Energy Solution, Ltd.
18028563 POSITIVE ELECTRODE FOR SECONDARY BATTERY AND SECONDARY BATTERY INCLUDING THE SAME Non-Final OA LG Energy Solution, Ltd.
17987611 SILICON-BASED ENERGY STORAGE DEVICES WITH PHOSPHAZENE CONTAINING ELECTROLYTE ADDITIVES Non-Final OA ENEVATE CORPORATION
17371207 POSITIVE ELECTRODE ACTIVE MATERIAL AND ITS PREPARATION METHOD, SODIUM ION BATTERY AND APPARATUS CONTAINING THE SODIUM ION BATTERY Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18485325 NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING THE SAME, AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME Non-Final OA SK On Co., Ltd.
18087896 Anode for Lithium Secondary Battery and Lithium Secondary Battery Including the Same Final Rejection SK On Co., Ltd.
17709886 Cathode Active Material for Lithium Secondary Battery and Lithium Secondary Battery Including the Same Non-Final OA SK ON CO., LTD.
18463052 BATTERY MODULE Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18125888 NEGATIVE ELECTRODE, NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND METHOD OF PRODUCING NEGATIVE ELECTRODE Final Rejection PRIME PLANET ENERGY & SOLUTIONS, INC.
18044360 LITHIUM SECONDARY BATTERY Non-Final OA SAMSUNG SDI CO., LTD.
18012883 ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME Non-Final OA SAMSUNG SDI CO., LTD.
18988164 COMPOSITE ANODE MATERIAL AND METHOD FOR PRODUCING SAME Non-Final OA Talga Technologies Limited
18361959 NEGATIVE ELECTRODE AND ZINC SECONDARY BATTERY Non-Final OA NGK INSULATORS, LTD.
18091878 MULTI-ELEMENT POSITIVE ELECTRODE MATERIAL, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF Final Rejection BEIJING EASPRING MATERIAL TECHNOLOGY CO., LTD.
18300713 ELECTRODE PLATE AND ELECTROCHEMICAL APPARATUS AND ELECTRONIC DEVICE CONTAINING SAME Final Rejection Ningde Amperex Technology Limited
17971301 LAYERED ELECTROACTIVE MATERIAL AND METHODS OF FORMING THE SAME Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC
16958596 METHOD OF FORMING CHARGED MANGANESE OXIDES FROM DISCHARGED ACTIVE MATERIALS Non-Final OA RESEARCH FOUNDATION OF THE CITY UNIVERSITY OF NEW YORK
18282211 Electrolyte Additives for Secondary Batteries, Non-aqueous Electrolytes for Lithium Secondary Batteries Including the same, and Lithium Secondary Batteries Including the same Final Rejection DUKSAN ELECTERA CO., LTD.
18220067 ELECTRODES FOR ENERGY STORAGE DEVICES Non-Final OA NANORAMIC, INC.
18010200 PREPARATION METHOD OF HIGH-RATE LITHIUM IRON PHOSPHATE POSITIVE ELECTRODE MATERIAL Final Rejection HUBEI WANRUN NEW ENERGY TECHNOLOGY CO., LTD.
16753429 BATTERY Having a Solid-Electrolyte Interface Layer at an Interface of Negative Electrode Composite Particles and Electrolyte Non-Final OA Umicore Korea Ltd.
17794332 SILICON-SILICON COMPOSITE OXIDE-CARBON COMPOSITE, METHOD FOR PREPARING SAME, AND NEGATIVE ELECTRODE ACTIVE MATERIAL COMPRISING SAME Non-Final OA DAEJOO ELECTRONIC MATERIALS CO., LTD.
18193966 NEGATIVE ELECTRODE PLATE AND ELECTROCHEMICAL APPARATUS AND ELECTRONIC APPARATUS INCLUDING THE NEGATIVE ELECTRODE PLATE Non-Final OA DONGGUAN AMPEREX TECHNOLOGY LIMITED
18192939 Electrochemical Apparatus and Electronic Apparatus Final Rejection Dongguan Amperex Technology Limited
16062977 USE OF ELECTROCHEMICAL CELLS CONTAINING A LITHIATED TITANATE OXIDE NEGATIVE ACTIVE MATERIAL FOR LOW EARTH ORBIT APPLICATIONS Final Rejection SAFT
17959496 PROTECTIVE COATINGS ON SILICON ANODES FOR EFFECTIVE MANAGEMENT IN HIGH VOLUME CELL PLANT Non-Final OA GM GLOAL TECHNOLOGY OPERATIONS LLC
16866665 Stabilized High Nickel NMC Cathode Materials for Improved Battery Performance Final Rejection Nano One Materials Corp.

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