Prosecution Insights
Last updated: April 19, 2026

Examiner: ZHANG, HAIXIA

Tech Center 1700 • Art Units: 1723 1726

This examiner grants 62% of resolved cases

Performance Statistics

62.5%
Allow Rate
-2.5% vs TC avg
317
Total Applications
+18.6%
Interview Lift
1234
Avg Prosecution Days
Based on 301 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
14.9%
§102 Novelty
48.8%
§103 Obviousness
24.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18951130 Sealing Apparatus and Secondary Battery Manufactured by the Same Final Rejection LG Energy Solution, Ltd.
17051974 FILM FOR PACKAGING SECONDARY BATTERY AND SECONDARY BATTERY COMPRISING THE SAME Non-Final OA LG Chem, Ltd.
17565962 CARBON MATERIAL, METHOD FOR PRODUCING CARBON MATERIAL, AND NON-AQUEOUS SECONDARY BATTERY USING CARBON MATERIAL Non-Final OA MITSUBISHI CHEMICAL CORPORATION
17565879 CARBON MATERIAL, METHOD FOR PRODUCING CARBON MATERIAL, AND NON-AQUEOUS SECONDARY BATTERY USING CARBON MATERIAL Non-Final OA MITSUBISHI CHEMICAL CORPORATION
17865867 ENERGY STORAGE DEVICE, SILICON ANODE, AND POLYMER ELECTROLYTE Final Rejection The Johns Hopkins University
18380349 NEGATIVE ACTIVE MATERIAL COMPOSITE FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF MANUFACTURING THE SAME, NEGATIVE ELECTRODE INCLUDING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME Non-Final OA SAMSUNG SDI CO., LTD.
18357002 ELECTROCHEMICAL STACK AND METHOD OF ASSEMBLY THEREOF Final Rejection QUANTRUMSCAPE BATTERY, INC.
17787737 METHOD FOR PREPARING SECONDARY BATTERY CATHODE MATERIAL Non-Final OA POSCO FUTURE M CO., LTD.
17722467 THERMAL EPOXY AND POSITIONING OF ELECTROCHEMICAL CELLS Final Rejection CPS Technology Holding LLC

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