Prosecution Insights
Last updated: May 29, 2026

Examiner: GATEWOOD, DANIEL S

Tech Center 1700 • Art Units: 1729

This examiner grants 78% of resolved cases

Performance Statistics

77.8%
Allow Rate
+12.8% vs TC avg
1,163
Total Applications
+18.8%
Interview Lift
1073
Avg Prosecution Days
Based on 1107 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
4.2%
§102 Novelty
84.4%
§103 Obviousness
8.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18035180 SECONDARY BATTERY, AND BATTERY PACK AND VEHICLE COMPRISING SAME Non-Final OA LG ENERGY SOLUTION, LTD.
19325510 ELECTROLYTE SOLUTION, BATTERY AND ELECTRICAL DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18140637 TERNARY PRECURSOR MATERIAL, AND PREPARATION METHOD AND APPLICATION THEREOF Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
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
17222017 LITHIUM-ION BATTERY WITH ANODE COMPRISING BLEND OF INTERCALATION-TYPE ANODE MATERIAL AND CONVERSION-TYPE ANODE MATERIAL Non-Final OA Sila Nanotechnologies Inc.
18246654 PRIMARY AND SECONDARY SODIUM AND LITHIUM BATTERIES Non-Final OA The Board of Trustees of the Leland Stanford Junior University
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.
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
18104584 COMPOSITE PARTICLE, POSITIVE ELECTRODE, ALL-SOLID-STATE BATTERY, AND METHOD FOR PRODUCING COMPOSITE PARTICLE Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18223376 SODIUM-ION BATTERY CATHODE MATERIAL Non-Final OA Worcester Polytechnic Institute
18584570 CATALYST FOR FUEL CELL AND METHOD FOR PREPARING THE SAME Non-Final OA KIA CORPORATION
18263588 LEAD MEMBER Non-Final OA SUMITOMO ELECTRIC INDUSTRIES, 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.
18225640 LITHIUM-ION BATTERY Non-Final OA Zhuhai CosMX Battery Co., Ltd.
18070172 POSITIVE ELECTRODE PLATE AND 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
18008148 A CORAL-LIKE COMPOSITE MATERIAL AND A METHOD OF PREPARING THE SAME Final Rejection Agency for Science, Technology and Research
18231805 PREPARATION METHOD OF PLATY ALUMINUM-DOPED COBALT CARBONATE AND USE THEREOF Non-Final OA HUNAN BRUNP EV RECYCLING CO., LTD.
18026553 CATALYST FOR ELECTRODES, COMPOSITION FOR FORMING GAS DIFFUSION ELECTRODE, GAS DIFFUSION ELECTRODE, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL CELL STACK Final Rejection N.E. CHEMCAT CORPORATION
18037983 AN ENERGY STORAGE DEVICE Final Rejection Lavo Hydrogen Storage Technology Pty Ltd
18021703 ACTIVE ELECTRODE MATERIAL Non-Final OA Echion Technologies Limited

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