Prosecution Insights
Last updated: August 18, 2026

Examiner: WEINER, LAURA S

Tech Center 1700 • Art Units: 1723 1726 1727 1795

This examiner grants 85% of resolved cases

Performance Statistics

85.2%
Allow Rate
+20.2% vs TC avg
1,192
Total Applications
+14.3%
Interview Lift
1146
Avg Prosecution Days
Based on 1156 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
21.7%
§102 Novelty
29.9%
§103 Obviousness
35.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17774280 ANODE ACTIVE MATERIAL, AND ANODE AND SECONDARY BATTERY COMPRISING SAME ANODE ACTIVE MATERIAL Non-Final OA LG ENERGY SOLUTION, LTD.
18044971 ADDITIVE, AND LITHIUM SECONDARY BATTERY ELECTROLYTE AND LITHIUM SECONDARY BATTERY, WHICH COMPRISE SAME Final Rejection SAMSUNG SDI CO., LTD.
17997354 NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME Non-Final OA SAMSUNG SDI CO., LTD.
19068624 SOLID ELECTROLYTE, PREPARATION METHOD THEREOF, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRIC APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
19057902 SEPARATOR, PREPARATION METHOD THEREOF, AND SECONDARY BATTERY AND ELECTRIC APPARATUS RELATED THERETO Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18599285 LITHIUM-ION BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRIC DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18351925 Positive electrode active material and preparation method therefor, positive electrode plate, secondary battery, battery module, battery pack, and power consuming device Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18369331 ELECTRODE SURFACE ENGINEERING IN LITHIUM ION BATTERIES Non-Final OA Carnegie Mellon University
18170380 ELECTROCHROMIC COMPOUNDS FOR MEMORY ELECTROCHROMIC DEVICES Final Rejection Gentex Corporation
19030599 ELECTRODE PIECE AND BATTERY Non-Final OA ZHUHAI COSMX BATTERY CO., LTD.
18276348 COOLING OF A BATTERY PACK IN A SYSTEM COMPRISING A TOOL, A BATTERY PACK AND A CHARGER Non-Final OA HUSQVARNA AB
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 Non-Final OA NIPPON ELECTRIC GLASS CO., LTD.
18305491 ELECTROLYTE COMPOSITION, QUASI-SOLID ELECTROLYTE AND LITHIUM-ION BATTERY EMPLOYING THE SAME Non-Final OA INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
18008702 MODIFIED CATHODE FOR HIGH-VOLTAGE LITHIUM-ION BATTERY AND METHODS OF MANUFACTURING THEREOF Final Rejection Shanghai Institute of Ceramics, Chinese Academy of Sciences
18118948 LITHIUM SECONDARY BATTERY Final Rejection TeraWatt Technology K.K.

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