Prosecution Insights
Last updated: May 29, 2026

Examiner: TAKEUCHI, YOSHITOSHI

Tech Center 1700 • Art Units: 1723 1726 1735 1793

This examiner grants 66% of resolved cases

Performance Statistics

65.9%
Allow Rate
+0.9% vs TC avg
844
Total Applications
+25.8%
Interview Lift
1245
Avg Prosecution Days
Based on 798 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
1.5%
§102 Novelty
94.9%
§103 Obviousness
2.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18269487 METHOD FOR ACTIVATION OF LITHIUM SECONDARY BATTERY Non-Final OA LG ENERGY SOLUTION, LTD.
18269484 ACTIVATION TRAY FOR BATTERY CELL, AND SYSTEM FOR CHARGING/DISCHARGING BATTERY CELL, COMPRISING SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18039867 ANODE ACTIVE MATERIAL, ANODE SLURRY, ANODE, AND SECONDARY BATTERY Final Rejection LG ENERGY SOLUTION, LTD.
17942088 BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
17464204 ORGANIC ACID ADDITIVES FOR SILICON-BASED LI ION BATTERIES Final Rejection Enevate Corporation
19211326 NEGATIVE ELECTRODE CURRENT COLLECTOR, SECONDARY BATTERY, AND ELECTRICAL DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18446693 THERMAL BARRIER BLANKET SYSTEMS FOR USE WITHIN TRACTION BATTERY PACKS Non-Final OA FORD GLOBAL TECHNOLOGIES, LLC
18029243 SECONDARY BATTERY Final Rejection Panasonic Intellectual Property Management Co., Ltd.
18041522 NEGATIVE ELECTRODE PLATE AND SECONDARY BATTERY Final Rejection BYD COMPANY LIMITED
17910273 OUTER PACKAGE MATERIAL FOR ALL-SOLID-STATE BATTERIES, METHOD FOR PRODUCING SAME AND ALL-SOLID-STATE BATTERY Final Rejection DAI NIPPON PRINTING CO., LTD.
16969795 ELECTROLYSIS SOLUTION, ELECTROCHEMICAL DEVICE, LITHIUM-ION SECONDARY BATTERY, AND MODULE Final Rejection DAIKIN INDUSTRIES, LTD.
18129268 HOUSING, ARC BATTERY, AND ELECTRIC DEVICE Non-Final OA Ningde Amperex Technology Limited
16492962 MEMBER FOR POWER STORAGE DEVICE, AND POWER STORAGE DEVICE Final Rejection NIPPON ELECTRIC GLASS CO., LTD.
17275677 MULTILAYER MEMBRANES, SEPARATORS, BATTERIES, AND METHODS Non-Final OA Celgard, LLC
18641550 COATING FOR NEGATIVE ELECTRODE AND SOLID-STATE BATTERIES COMPRISING SAME Final Rejection Factorial Inc.
18314160 PREPARATION METHOD OF SOFT CARBON AND LITHIUM-ION SECONDARY BATTERY Non-Final OA CPC CORPORATION, TAIWAN
18326662 PREPARATION METHOD FOR SILICON-CARBON COMPOSITE NEGATIVE ELECTRODE MATERIAL Non-Final OA Graphex Technologies LLC.
16685543 METAL-CONTAINING GRAPHENE BALLS AS AN ANODE ACTIVE MATERIAL FOR AN ALKALI METAL BATTERY Final Rejection Global Graphene Group, Inc.
15956312 Selenium Loaded Mesoporous Carbon Cathode for Alkali Metal-Selenium Secondary Battery Final Rejection Nanotek Instruments, Inc.

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