Prosecution Insights
Last updated: April 19, 2026

Examiner: HANSEN, JARED A

Tech Center 1700 • Art Units: 1700 1723 1728 1761

This examiner grants 54% of resolved cases

Performance Statistics

54.5%
Allow Rate
-10.5% vs TC avg
148
Total Applications
+45.1%
Interview Lift
1445
Avg Prosecution Days
Based on 101 resolved cases, 2023–2026

Rejection Statute Breakdown

1.4%
§101 Eligibility
18.0%
§102 Novelty
54.6%
§103 Obviousness
17.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18195443 BATTERY CELL, BATTERY, APPARATUS, AND METHOD AND DEVICE FOR MANUFACTURING BATTERY CELL Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
17767669 BATTERY MODULE, BATTERY PACK COMPRISING THE SAME AND VEHICLE Non-Final OA LG ENERGY SOLUTION, LTD.
18202444 ELECTRODE SLURRY FOR FUEL CELL FOR FORMING A MULTILAYER STRUCTURE WITHOUT AN INTERFACE, A MULTILAYER ELECTRODE STRUCTURE USING SAME, AND A MANUFACTURING METHOD THEREOF Non-Final OA KIA CORPORATION
18066368 BATTERY Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18328908 OXYGEN EVOLUTION CATALYST HAVING CORE-SHELL STRUCTURE INCLUDING IRIDIUM OXIDE AND RUTHENIUM OXIDE, AND METHOD OF PREPARING SAME Non-Final OA Korea University Research and Business Foundation
18325569 THERMAL MANAGEMENT OF BATTERY SYSTEMS Non-Final OA Caterpillar Inc.
17423020 ELECTRICITY STORAGE DEVICE, ELECTRIC-POWERED VEHICLE, AND MEHTOD OF MANUFACTURING AN ELECTRICITY STORAGE DEVICE Non-Final OA DAI NIPPON PRINTING CO., LTD.
18039854 TITANIC ACID-BASED SOLID ELECTROLYTE MATERIAL Non-Final OA OTSUKA CHEMICAL CO., LTD.
18090920 FUEL CELL SEPARATOR AND FUEL CELL STACK Final Rejection HONDA MOTOR CO., LTD.
18029455 A BATTERY AND A MODULAR BATTERY SYSTEM FOR A POWER TOOL Final Rejection HUSQVARNA AB
17892900 RESISTIVE CURRENT COLLECTOR COATING Non-Final OA Medtronic, Inc.
18358470 BATTERY CELLS WITH WELD-FREE EXTERNAL LEAD TABS Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC
17281379 CATHODE PLATE AND ELECTRODE ASSEMBLY INCLUDING THE CATHODE PLATE Non-Final OA Ningde Amperex Technology Limited
17963183 Fluidized Coated Carbon Particles and Methods of Making Final Rejection Forge Nano Inc.
17916118 BIPOLAR PLATE ASSEMBLY, USE OF BIPOLAR PLATE ASSEMBLY ELECTROLYSIS OR FUEL CELL STACK COMPRISING PLURALITY OF BIPOLAR PLATE ASSEMBLIES Final Rejection Forschungszentrum Jülich GmbH
18293304 ELECTROLYTE SOLUTIONS AND ALL VANADIUM REDOX FLOW BATTERIES Final Rejection SUZHOU RONGKE POWER CO., LTD.
18301927 METHODS AND SYSTEM FOR REDOX FLOW BATTERY IDLE STATE Non-Final OA ESS TECH, INC.
18301935 METHODS AND SYSTEM FOR REDOX FLOW BATTERY IDLE STATE Non-Final OA ESS TECH, INC.
17523389 METHOD OF IRON ELECTRODE MANUFACTURE AND ARTICLES AND SYSTEMS THEREFROM Final Rejection FORM ENERGY, INC.
17787923 POSITIVE ELECTRODE MATERIAL, PREPARATION METHOD THEREFOR AND LITHIUM ION BATTERY Final Rejection SVolt Energy Technology Co., Ltd.
18351882 LITHIUM-CFX BATTERY COMPRISING SOLID POLYMER ELECTROLYTE AND METHOD OF MANUFACTURING THE LITHIUM-CFX BATTERY Non-Final OA EAGLEPICHER TECHNOLOGIES, LLC
17997156 METHOD FOR MANUFACTURING A POROUS ELECTRODE, AND BATTERY CONTAINING SUCH AN ELECTRODE Non-Final OA I-TEN
17771287 GELLED ELECTROLYTE FOR LITHIUM-ION ELECTROCHEMICAL CELL Non-Final OA SAFT
18319078 DYNAMIC CONTROL OF PARALLEL CONNECTED FUEL CELL SYSTEMS Non-Final OA HYDROGENICS CORPORATION
17414277 FUEL CELL UNIT AND FUEL CELL STACK Non-Final OA Ceres Intellectual Property Company Limited
18304044 LOW-RESIDUAL-ALKALI HIGH-NICKEL TERNARY POSITIVE-ELECTRODE MATERIAL AS WELL AS PREPARATION METHOD AND USE THEREOF Non-Final OA YIBIN LIBODE NEW MATERIAL CO., LTD
17956373 NEGATIVE ELECTRODE MATERIAL, NEGATIVE ELECTRODE PLATE, ELECTROCHEMICAL APPARATUS, AND ELECTRONIC APPARATUS Non-Final OA NINGDE AMPEREX TECHNOLOGY LTD.
18026444 POWER GENERATION CONTROL DEVICE Non-Final OA KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
18070517 PLATE DEVICE FOR A FUEL STACK AND FUEL CELL DEVICE COMPRISING THE SAME Final Rejection AVL Fuel Cell Canada Inc.
17457803 FUEL CELL STACK WITH INTEGRATED PROCESS ENDPLATES Non-Final OA Nuvera Fuel Cells, LLC

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