Prosecution Insights
Last updated: October 02, 2026

Examiner: ESSEX, STEPHAN J

Tech Center 1700 • Art Units: 1727 1795

This examiner grants 66% of resolved cases

Performance Statistics

65.8%
Allow Rate
+0.8% vs TC avg
724
Total Applications
-16.4%
Interview Lift
1360
Avg Prosecution Days
Based on 693 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
17.2%
§102 Novelty
64.5%
§103 Obviousness
14.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18276402 Free-Folding Apparatus for Pouch-Type Batteries Non-Final OA LG Energy Solution, Ltd.
18270432 SECONDARY BATTERY, SECONDARY BATTERY MANUFACTURING METHOD, BATTERY PACK AND VEHICLE Non-Final OA LG ENERGY SOLUTION, LTD.
18270353 NEGATIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE COMPRISING NEGATIVE ELECTRODE ACTIVE MATERIAL, AND SECONDARY BATTERY COMPRISING SAME Final Rejection LG ENERGY SOLUTION, LTD.
18468906 NON-AQUEOUS ELECTROLYTE AND SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK AND ELECTRICAL DEVICE CONTAINING THE SAME Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18446162 ELECTRODE ASSEMBLY AND MANUFACTURING METHOD AND DEVICE, BATTERY CELL, BATTERY, ELECTRIC DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18124608 CURRENT COLLECTOR AND PREPARATION METHOD THEREFOR, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND POWER CONSUMING DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18022440 FLUORINATED ELECTRODES AND BATTERIES CONTAINING THE SAME Non-Final OA CARNEGIE MELLON UNIVERSITY
18467820 DIRECT RECYCLING AND RECOVERY METHOD OF CATHODE MATERIALS FROM SPENT LITHIUM ION BATTERIES Non-Final OA CASE WESTERN RESERVE UNIVERSITY
18167176 LDH-LIKE COMPOUND SEPARATOR AND ZINC SECONDARY BATTERY Non-Final OA NGK INSULATORS, LTD.
18467433 Cross-Linkable Solid Electrolyte Membrane for All-Solid-State Batteries and Method of Manufacturing the Same Non-Final OA IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
18499726 MULTI-FUNCTION BEAM WITH INTEGRATED STRUCTURAL, COOLING, AND TRANSVERSE ELASTIC COMPLIANCE FUNCTIONS FOR USE WITH ELECTRIC VEHICLE BATTERY PACKS Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC
18450617 LITHIUM-ION CELLS INCLUDING A COATED CURRENT COLLECTOR AND METHODS OF FORMING THE SAME Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC
18546429 COMPOSITION FOR ELECTROCHEMICAL DEVICE FUNCTIONAL LAYER, FUNCTIONAL LAYER FOR ELECTROCHEMICAL DEVICE, LAMINATE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE Final Rejection ZEON CORPORATION
18377255 MANUFACTURING OF SOLID-STATE ELECTRODE LAMINATE Non-Final OA Solid Power Operating, Inc.
18371017 ELECTROCHEMICAL APPARATUS AND ELECTRONIC APPARATUS Non-Final OA Ningde Amperex Technology Limited
18090086 CURRENT COLLECTOR, ELECTROCHEMICAL DEVICE CONTAINING SAME, AND ELECTRONIC DEVICE Non-Final OA Ningde Amperex Technology Limited

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