Prosecution Insights
Last updated: April 19, 2026

Examiner: GATEWOOD, DANIEL S

Tech Center 1700 • Art Units: 1729

This examiner grants 78% of resolved cases

Performance Statistics

77.6%
Allow Rate
+12.6% vs TC avg
1157
Total Applications
+19.0%
Interview Lift
1108
Avg Prosecution Days
Based on 1096 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
20.3%
§102 Novelty
53.7%
§103 Obviousness
22.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17222017 LITHIUM-ION BATTERY WITH ANODE COMPRISING BLEND OF INTERCALATION-TYPE ANODE MATERIAL AND CONVERSION-TYPE ANODE MATERIAL Non-Final OA Sila Nanotechnologies Inc.
19325510 ELECTROLYTE SOLUTION, BATTERY AND ELECTRICAL DEVICE Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
19246244 PRECURSOR MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE MATERIAL, POSITIVE ELECTRODE SHEET, SECONDARY BATTERY, AND POWER CONSUMING APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18140637 TERNARY PRECURSOR MATERIAL, AND PREPARATION METHOD AND APPLICATION THEREOF Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18278139 Unit Cell Inspecting Device, Electrode Assembly Manufacturing Equipment Including Same, and Electrode Assembly Manufacturing Method Non-Final OA LG Energy Solution, Ltd.
18271812 Electrode Stack For Lithium Secondary Battery And Lithium Secondary Battery Including The Same Non-Final OA LG Energy Solution, Ltd.
18035180 SECONDARY BATTERY, AND BATTERY PACK AND VEHICLE COMPRISING SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18029664 NEGATIVE ELECTRODE FOR SECONDARY BATTERY, NEGATIVE ELECTRODE SLURRY AND METHOD FOR MANUFACTURING NEGATIVE ELECTRODE Non-Final OA LG Energy Solution, Ltd.
17919615 SEPARATOR FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18034172 ALKOXYSILYL COMPOUND AND NONAQUEOUS ELECTROLYTIC SOLUTION ADDITIVE CONTAINING SAME, AND NONAQUEOUS ELECTROLYTIC SOLUTION AND NONAQUEOUS ELECTROLYTIC SOLUTION SECONDARY BATTERY CONTAINING SAID ADDITIVE Final Rejection Panasonic Intellectual Property Management Co., Ltd.
17794798 POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY Final Rejection Panasonic Intellectual Property Management Co., Ltd.
18174753 METHOD FOR MANUFACTURING MEMBRANE ELECTRODE ASSEMBLY Final Rejection DENSO CORPORATION
18019168 Separator for Power Storage Device, and Power Storage Device Final Rejection Asahi Kasei Kabushiki Kaisha
18602484 POUCH CASE AND SECONDARY BATTERY USING THE SAME Non-Final OA SK ON CO., LTD.
18539224 RECHARGEABLE BATTERY WITH ANION CONDUCTING POLYMER Non-Final OA Apple Inc.
18119422 NEGATIVE ELECTRODE FOR POWER STORAGE DEVICE, METHOD FOR FORMING THE SAME, AND POWER STORAGE DEVICE Final Rejection SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
18174704 ELECTROCHEMICAL OXYGEN REDUCTION CATALYST, AIR ELECTRODE, FUEL CELL AND METAL-AIR CELL Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
19174563 POSITIVE ELECTRODE MATERIAL, PREPARATION METHOD OF SAME, POSITIVE ELECTRODE PLATE, SECONDARY BATTERY, AND ELECTRICAL DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18246654 PRIMARY AND SECONDARY SODIUM AND LITHIUM BATTERIES Non-Final OA The Board of Trustees of the Leland Stanford Junior University
18223376 SODIUM-ION BATTERY CATHODE MATERIAL Non-Final OA Worcester Polytechnic Institute
18231939 FUEL CELL SYSTEM Non-Final OA HONDA MOTOR CO., LTD.
18362709 ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME Non-Final OA SAMSUNG SDI CO., LTD.
18013127 SOLID ION CONDUCTOR COMPOUND, SOLID ELECTROLYTE CONTAINING SAME ELECTROCHEMICAL CELL COMPRISING SAME, AND MANUFACTURING METHOD THEREFOR Non-Final OA SAMSUNG SDI CO., LTD.
18263588 LEAD MEMBER Non-Final OA SUMITOMO ELECTRIC INDUSTRIES, LTD.
18282278 POLYMER ELECTROLYTE MATERIAL, POLYMER ELECTROLYTE MOLDED BODY USING SAME, ELECTROLYTIC MEMBRANE HAVING CATALYST LAYER ATTACHED THERETO, MEMBRANE-ELECTRODE ASSEMBLY, SOLID POLYMER FUEL CELL, AND WATER-ELECTROLYSIS-TYPE HYDROGEN GENERATOR Non-Final OA TORAY INDUSTRIES, INC.
18225640 LITHIUM-ION BATTERY Non-Final OA Zhuhai CosMX Battery Co., Ltd.
18190139 BIPOLAR MEMBRANE AND METHOD OF MANUFACTURING THE SAME Non-Final OA Industrial Technology Research Institute
18084222 ELECTRODE INCLUDING POLYMER FIBER AGGREGATE AND MANUFACTURING METHOD THEREOF Final Rejection Gwangju Institute of Science and Technology
18073731 PtNiN FUEL CELL ELECTRODE CATALYSTS AND FUEL CELLS WITH PtNiN ELECTRODE CATALYSTS Non-Final OA Toyota Motor Engineering & Manufacturing North America, Inc.
18217259 SYSTEM AND METHODS RELATING TO INTERPENETRATING MULTI-ELECTRODES AND FABRICATION THEREOF FOR ELECTROCHEMICAL DEVICES Non-Final OA Lawrence Livermore National Security, LLC

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