Prosecution Insights
Last updated: August 18, 2026

Examiner: HEMINGWAY, TIMOTHY G

Tech Center 1700 • Art Units: 1754

This examiner grants 41% of resolved cases

Performance Statistics

41.0%
Allow Rate
-24.0% vs TC avg
130
Total Applications
+22.0%
Interview Lift
1091
Avg Prosecution Days
Based on 78 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
16.7%
§102 Novelty
56.2%
§103 Obviousness
24.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18108172 POLYMER POROUS FILM, SEPARATOR FOR BATTERY, ELECTRODE UNIT, ELECTRODE FRAMEWORK, BATTERY, AND METHOD OF PRODUCING POLYMER POROUS FILM Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
17926054 POWER STORAGE DEVICE AND ELECTRODE OR SEPARATOR USED FOR SAME Final Rejection PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
18039809 NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY POSITIVE ELECTRODE AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Final Rejection Panasonic Energy Co., Ltd
18301264 FUEL CELL SYSTEM Final Rejection HONDA MOTOR CO., LTD.
18299725 FUEL CELL SYSTEM Final Rejection HONDA MOTOR CO., LTD.
18561564 Battery Housing Non-Final OA Mercedes-Benz Group AG
18374302 Negative Electrode and Secondary Battery Final Rejection LG Energy Solution, Ltd.
18009119 METHOD AND APPARATUS FOR MANUFACTURING SEPARATOR, AND SEPARATOR MANUFACTURED THEREBY Final Rejection LG ENERGY SOLUTION, LTD.
19280137 BATTERY CELL, BATTERY, ELECTRIC APPARATUS, AND ENERGY STORAGE APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18078527 SEPARATOR FOR SECONDARY BATTERY, METHOD OF MANUFACTURING THE SAME, AND SECONDARY BATTERY INCLUDING THE SAME Final Rejection SK On Co., Ltd.
18140319 FUEL CELL SYSTEM AND A FUEL CELL SYSTEM CONTROL METHOD Non-Final OA KIA CORPORATION
18417456 METHOD OF PRODUCING COMPOSITE SOLID ELECTROLYTE Non-Final OA KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
18172884 LAMINABLE, DIMENSIONALLY-STABLE MICROPOROUS WEBS Non-Final OA Amtek Research International LLC

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