Prosecution Insights
Last updated: April 19, 2026

Examiner: WANG, EUGENIA

Tech Center 1700 • Art Units: 1726 1729 1759 1795 1796

This examiner grants 54% of resolved cases

Performance Statistics

54.0%
Allow Rate
-11.0% vs TC avg
714
Total Applications
+35.1%
Interview Lift
1435
Avg Prosecution Days
Based on 678 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
17.9%
§102 Novelty
48.8%
§103 Obviousness
25.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17813803 SEPARATOR WITH A CERAMIC-COMPRISING SEPARATOR LAYER Final Rejection Sila Nanotechnologies, Inc.
18206560 BATTERY, AND METHOD AND APPARATUS FOR CURBING BATTERY GASSING Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18118416 ELECTROCHEMICAL CELLS AND ELECTROCHEMICAL CELL SYSTEMS WITH THERMAL INSULATION BATTERY PACKS Non-Final OA 24M Technologies, Inc.
18032413 Battery Pack and Automobile Comprising Same Final Rejection LG Energy Solution, Ltd.
18030297 SEPARATOR INCLUDING UNEVEN PORTION, ELECTRODE ASSEMBLY INCLUDING THE SAME, AND METHOD OF MANUFACTURING ELECTRODE ASSEMBLY Non-Final OA LG ENERGY SOLUTION, LTD.
18007649 POWER STORAGE APPARATUS Final Rejection LG ENERGY SOLUTION, LTD.
18273198 ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
17442360 NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Final Rejection Panasonic Intellectual Property Management Co., Ltd.
17982593 Battery Cell Stack and Manufacturing Method Thereof Non-Final OA SK On Co., Ltd.
18208133 Increasing Electrical Power Output Of An Energy Source Non-Final OA Microsoft Technology Licensing, LLC
18032780 CELL, CELL STACK DEVICE, MODULE, AND MODULE HOUSING DEVICE Non-Final OA KYOCERA Corporation
18314355 FUEL CELL UNIT AND METHOD OF ASSEMBLING THEREOF Non-Final OA TOYODA IRON WORKS CO., LTD.
18027779 Electrochemical Cell, More Particularly of a Redox Flow Battery, and Corresponding Cell Stack Non-Final OA Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
18249280 Iron Zinc Battery Non-Final OA Nippon Telegraph and Telephone Corporation
18030599 Lithium-Ion Battery System for Forklifts Final Rejection EControls, LLC
14958990 COATED SEPARATORS FOR LITHIUM BATTERIES AND RELATED METHODS Final Rejection Celgard, LLC
18014922 SOLID ELECTROLYTE ASSEMBLY AND ELECTROCHEMICAL ELEMENT COMPRISING SAME Final Rejection Mitsui Mining & Smelting Co., Ltd.
18604333 ABSORBENT GLASS MAT BATTERY Final Rejection Clarios Germany GmbH & Co. KG
17035818 NONAQUEOUS ELECTROLYTE SOLUTION AND NONAQUEOUS ELECTROLYTE BATTERY Final Rejection MU IONIC SOLUTIONS CORPORATION
18210443 Cylindrical Battery Electrode Plate and Cylindrical Battery Non-Final OA JIANGSU ZENERGY BATTERY TECHNOLOGIES CO., LTD.
18207028 Bare Cell, Cylindrical Battery and Assembly Method of Bare Cell Non-Final OA JIANGSU ZENERGY BATTERY TECHNOLOGIES CO., LTD.
18256790 RECHARGEABLE FLOW BATTERY Non-Final OA Politecnico di Milano
18030933 LITHIUM SUPERCAPATTERY WITH STACKED OR WOUND NEGATIVE AND POSITIVE ELECTRODES SETS ALONG WITH SEPARATOR Final Rejection Indian Space Research Organisation
17950531 METHOD FOR PRODUCING AN ELECTRODE POWDER MIXTURE FOR A BATTERY CELL Final Rejection PowerCo SE
17289266 LITHIUM POSITIVE ELECTRODE ACTIVE MATERIAL Non-Final OA TOPSOE BATTERY MATERIALS A/S

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