Prosecution Insights
Last updated: April 19, 2026

Examiner: WEI, ZHONGQING

Tech Center 1700 • Art Units: 1726 1727

This examiner grants 58% of resolved cases

Performance Statistics

57.8%
Allow Rate
-7.2% vs TC avg
455
Total Applications
+16.6%
Interview Lift
1303
Avg Prosecution Days
Based on 400 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
10.1%
§102 Novelty
50.8%
§103 Obviousness
31.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19170765 LONG-CYCLE-LIFE, HIGH-CAPACITY SILICON ANODES AND METHODS OF MAKING AND USING THE SAME Final Rejection THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
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.
18282684 BATTERY MODULE Non-Final OA LG ENERGY SOLUTION, LTD.
18280009 Secondary Battery Non-Final OA LG Energy Solution, Ltd.
18028563 POSITIVE ELECTRODE FOR SECONDARY BATTERY AND SECONDARY BATTERY INCLUDING THE SAME Final Rejection LG Energy Solution, Ltd.
18463052 BATTERY MODULE Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18032431 NONAQUEOUS ELECTROLYTE SECONDARY BATTERY Final Rejection Panasonic Intellectual Property Management Co., Ltd.
17987611 SILICON-BASED ENERGY STORAGE DEVICES WITH PHOSPHAZENE CONTAINING ELECTROLYTE ADDITIVES Non-Final OA ENEVATE CORPORATION
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 Non-Final OA 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.
18276088 Method for Producing a Lithium Ion Battery and Lithium Ion Battery Non-Final OA Bayerische Motoren Werke Aktiengesellschaft
18125888 NEGATIVE ELECTRODE, NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND METHOD OF PRODUCING NEGATIVE ELECTRODE Final Rejection PRIME PLANET ENERGY & SOLUTIONS, INC.
19038246 SECONDARY BATTERY AND ELECTRIC APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
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
18251324 MULTILAYER FILM COMPRISING A LAYER OF AN AQUEOUS GEL FOR COOLING AT LEAST ONE ACCUMULATOR WITHIN A BATTERY MODULE, AND ASSOCIATED MODULE Non-Final OA COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
18368402 FUEL CELL VEHICLE Non-Final OA SUBARU CORPORATION
18360702 ADDITIVE FOR ELECTROLYTE, AND ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME 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
18029417 Secondary Battery Final Rejection Renault S.A.S.
18361959 NEGATIVE ELECTRODE AND ZINC SECONDARY BATTERY Non-Final OA NGK INSULATORS, LTD.
18128625 SANDWICH-STRUCTURED, PRE-LITHIATED ANODE ELECTRODE FOR ALL-SOLID-STATE BATTERY Final Rejection GM Global Technology Operations LLC
18127444 COLUMNAR SILICON ANODE HAVING A CARBONACEOUS NETWORK AND METHODS OF FORMING THE SAME Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC
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
18193996 ANODE ACTIVE MATERIAL, SECONDARY BATTERY, AND ELECTRICAL DEVICE Final Rejection Ningde Amperex Technology Limited
18175929 Electrochemical Apparatus and Electronic Apparatus Final Rejection Ningde Amperex Technology Limited

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