Prosecution Insights
Last updated: October 02, 2026

Examiner: BROWN, SEAN ROBERT

Tech Center 4100 • Art Units: 1743 4100

This examiner grants 62% of resolved cases

Analysis

Sean Robert Brown is an examiner in Tech Center 4100 and Art Unit 1743. He has 8 resolved cases. The allowance rate for these cases is 62.5 percent. The data shows an interview lift of 46.7 percent. This 46.7 percent lift suggests that interviews have a correlation with successful outcomes for the 8 resolved cases in this docket.

The median days to allowance is 1189. This 1189 day timeline is the measure of pendency for applications that result in a grant. With 8 resolved cases, the 62.5 percent allowance rate provides a view of the prosecution environment. The 46.7 percent interview lift is a metric for practitioners to consider. Applicants should factor the 1189 day median into their planning. The 62.5 percent rate and 46.7 percent lift are the primary data points for Art Unit 1743.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

62.5%
Allow Rate
+2.5% vs TC avg
32
Total Applications
+46.7%
Interview Lift
1189
Avg Prosecution Days
Based on 8 resolved cases, 2023–2026

Rejection Statute Breakdown

1.5%
§101 Eligibility
12.6%
§102 Novelty
64.4%
§103 Obviousness
17.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18325514 POSITIVE ELECTRODE ACTIVE MATERIAL PARTICLE, SODIUM ION SECONDARY BATTERY AND METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL PARTICLE Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18267249 NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY Final Rejection Panasonic Intellectual Property Management Co., Ltd.
18318694 FORMATION AND MODIFICATIONS OF CERAMIC NANOWIRES AND THEIR USE IN FUNCTIONAL MATERIALS Final Rejection GEORGIA TECH RESEARCH CORPORATION
18125852 SOLID-STATE BATTERY Non-Final OA HONDA MOTOR CO., LTD.
18037012 BATTERY MODULE INCLUDING COMPRESSION PAD HAVING IMPROVED INSULATION AND ASSEMBLY, BATTERY PACK AND VEHICLE INCLUDING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18035039 POROUS SOLID COMPOUND, METHOD FOR PREPARING SAME, CATHODE FOR LITHIUM SECONDARY BATTERY COMPRISING POROUS SOLID COMPOUND, AND LITHIUM SECONDARY BATTERY Final Rejection LG ENERGY SOLUTION, LTD.
18572338 FUEL CELL SYSTEMS AND METHODS OF SIZING AND OPERATING AN EJECTOR BY USING A BY-PASS VALVE Non-Final OA CUMMINS INC.
18386318 BATTERY SYSTEM AND ELECTRONIC DEVICE INCLUDING THE SAME Non-Final OA SAMSUNG SDI CO., LTD.
18127073 METHOD FOR PREPARING A LITHIUM ION SECONDARY BATTERY AND A LITHIUM ION SECONDARY BATTERY PREPARED THEREFROM Final Rejection MURATA MANUFACTURING CO., LTD.
18448496 BATTERY AND ELECTRICAL APPARATUS Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18351174 END CAP, BATTERY CELL, BATTERY AND POWER CONSUMING DEVICE Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18194858 ELECTRODE FOR SECONDARY BATTERY, METHOD OF MANUFACTURING THE SAME, AND SECONDARY BATTERY COMPRISING THE SAME Final Rejection SK ON CO., LTD.
18485313 LITHIUM SECONDARY BATTERY Non-Final OA SK INNOVATION CO., LTD.
18436508 NON-AQUEOUS ELECTROLYTIC SOLUTION BATTERY Non-Final OA Maxell, Ltd.
18448491 LITHIUM AND MANGANESE RICH POSITIVE ACTIVE MATERIAL COMPOSITIONS Non-Final OA FORD GLOBAL TECHNOLOGIES, LLC
18324047 BATTERY SYSTEM Final Rejection DENSO CORPORATION
18320377 CAP ASSEMBLY, METHOD FOR MAKING ITS CONNECTOR, AND BATTERY WITH THIS CAP ASSEMBLY Final Rejection Techtronic Cordless GP
18519306 LOGIC BASED INEGRATED SELF-CONTAINED DRAIN VALVE Non-Final OA GM Global Technology Operations LLC
18297454 SEPARATOR AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME Non-Final OA SK IE TECHNOLOGY CO., LTD.

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