Prosecution Insights
Last updated: May 29, 2026

Examiner: BARCENA, CARLOS

Tech Center 1700 • Art Units: 1723 1724 1728 1731 1793 1795

This examiner grants 80% of resolved cases

Performance Statistics

80.3%
Allow Rate
+15.3% vs TC avg
1,143
Total Applications
+12.5%
Interview Lift
1016
Avg Prosecution Days
Based on 1115 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
10.0%
§102 Novelty
70.7%
§103 Obviousness
10.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18031991 Non-Aqueous Electrolyte Solution Additive for Lithium Secondary Battery, and Non-Aqueous Electrolyte Solution for Lithium Secondary Battery and Lithium Secondary Battery Which Include the Same Non-Final OA LG Energy Solution, Ltd.
18020569 Positive Electrode for Lithium Secondary Battery Including Insulating Layer Having Excellent Wet Adhesion and Lithium Secondary Battery Including the Same Final Rejection LG Energy Solution, Ltd.
18309446 POSITIVE ELECTRODE COMPOSITE MATERIAL FOR LITHIUM IRON PHOSPHATE SECONDARY BATTERY AND LITHIUM IRON PHOSPHATE SECONDARY BATTERY Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18117904 Prelithiated And Methods For Prelithiating An Energy Storage Device Non-Final OA Enevate Corporation
18087064 TERNARY POSITIVE ELECTRODE MATERIAL WITH LOW GAS GENERATION AND HIGH CAPACITY Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18144293 BATTERY ASSEMBLY Non-Final OA Dr. Ing. h.c. F. Porsche Aktiengesellschaft
18616531 LITHIUM ION CELLS WITH HIGH PERFORMANCE ELECTROLYTE AND SILICON OXIDE ACTIVE MATERIALS ACHIEVING VERY LONG CYCLE LIFE PERFORMANCE Non-Final OA Ionblox, Inc.
18349072 BATTERY FOR HAIR CLIPPERS Non-Final OA CONAIR LLC
18260886 HIGH-COMPACTION LITHIUM IRON PHOSPHATE POSITIVE ELECTRODE MATERIAL, PREPARATION METHOD THEREOF, POSITIVE ELECTRODE AND BATTERY INCLUDING THE SAME Non-Final OA HUBEI WANRUN NEW ENERGY TECHNOLOGY CO., LTD.
18204628 ELECTROSPUN POLYMERS FOR CATHODE-POLYMER-ELECTROLYTE-INTERFACES (CPEI) TO ENABLE SOLID-STATE ELECTROLYTES IN LI-ION BATTERIES Non-Final OA Ionic Materials, Inc.
18313119 Fuel Cell Assemblies with Improved Contact Pressure Distribution Non-Final OA Cevizdere LLC
18132192 BATTERY ASSEMBLY AND POWER SOURCE DEVICE Final Rejection VEHICLE ENERGY JAPAN INC.
17927456 ANODE PIECE FOR LITHIUM BATTERY HAVING BOTH HIGH SAFETY AND HIGH CAPACITY, AND PREPARATION METHOD AND USE THEREFOR Non-Final OA BEIJING WELION NEW ENERGY TECHNOLOGY CO., LTD

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