Prosecution Insights
Last updated: August 18, 2026

Examiner: MARROQUIN, DOUGLAS C

Tech Center 1700 • Art Units: 1700 1723

This examiner grants 46% of resolved cases

Performance Statistics

45.8%
Allow Rate
-19.2% vs TC avg
69
Total Applications
+78.6%
Interview Lift
1325
Avg Prosecution Days
Based on 24 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
14.8%
§102 Novelty
61.1%
§103 Obviousness
23.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18121857 ALL SOLID STATE BATTERY AND ALL SOLID STATE BATTERY SYSTEM Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
17913290 NONAQUEOUS ELECTROLYTE SECONDARY BATTERY Final Rejection Panasonic Intellectual Property Management Co., Ltd.
18512677 SOLID-STATE BATTERY AND METHOD OF MANUFACTURING SOLID-STATE BATTERY Non-Final OA Panasonic Holdings Corporation
18456698 Loading Plate for a Fuel Cell System and the Fuel Cell System Non-Final OA Robert Bosch GmbH
18103122 BATTERY TEMPERATURE ADJUSTMENT SYSTEM Non-Final OA HONDA MOTOR CO., LTD.
19405757 Insulation Member Final Rejection LG Chem, Ltd.
18571457 Lithium Secondary Battery Non-Final OA LG Energy Solution, Ltd.
18035368 Electrode and Method for Manufacturing the Same Non-Final OA LG Energy Solution, Ltd.
18030958 SLURRY COMPOSITION, AND POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME Final Rejection LG Energy Solution, Ltd.
18028480 POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD THEREOF AND LITHIUM SECONDARY BATTERY COMPRISING SAME Final Rejection LG ENERGY SOLUTION, LTD.
18019338 NEGATIVE ELECTRODE MATERIAL, AND NEGATIVE ELECTRODE AND SECONDARY BATTERY INCLUDING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
17981747 ANODE COMPOSITION, LITHIUM SECONDARY BATTERY ANODE COMPRISING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING ANODE Non-Final OA LG ENERGY SOLUTION, LTD.
18110890 LIQUID COMPOSITION, LIQUID COMPOSITION FOR INKJET DISCHARGING, DEVICE FOR MANUFACTURING LAYER CONTAINING INORGANIC OXIDE, METHOD OF MANUFACTURING LAYER CONTAINING INORGANIC OXIDE, AND ELECTROCHEMICAL DEVICE Non-Final OA RICOH COMPANY, LTD.
17587819 METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL, SECONDARY BATTERY, AND VEHICLE Non-Final OA SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
18465006 Apparatus for Containing Thermal Events of Energy Storage Devices Non-Final OA The Boeing Company
18524090 ALL-SOLID SECONDARY BATTERY AND METHOD OF PREPARING THE SAME Non-Final OA Samsung SDI Co., Ltd.
18181549 CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME Non-Final OA SK ON CO., LTD.
17939008 Lithium Secondary Battery Final Rejection SK On Co., Ltd.
18036005 Method for Producing a Lithium-Ion Battery Cell, and Lithium-Ion Battery Cell Final Rejection Bayerische Motoren Werke Aktiengesellschaft
18095708 MANIFOLD ASSEMBLY FOR BATTERY PACK Non-Final OA Ford Global Technologies, LLC
18039525 ELECTRODE STRUCTURE AND METHOD OF MAKING AN ELECTRODE STRUCTURE Non-Final OA Dyson Technology Limited
17869657 POLYMER BLOCKER FOR SOLID-STATE BATTERY Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC
18041890 DISPERSIONS OF CARBON NANOTUBES FOR USE IN COMPOSITIONS FOR MANUFACTURING BATTERY ELECTRODES Final Rejection PPG Industries Ohio, Inc.
18398646 ELECTROCHEMICAL APPARATUS AND ELECTRIC DEVICE INCLUDING SAME Non-Final OA Ningde Amperex Technology Limited
18192202 BATTERY UNIT AND FEEDTHROUGH ASSEMBLY Non-Final OA Ningde Amperex Technology Limited
17957198 ELECTROCHEMICAL APPARATUS AND ELECTRONIC APPARATUS USING SUCH ELECTROCHEMICAL APPARATUS Non-Final OA Ningde Amperex Technology Limited
18136125 LITHIUM SECONDARY BATTERY Final Rejection TeraWatt Technology K.K.
18011486 ELECTRODE FOR ELECTROCHEMICAL DEVICE AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Final Rejection iElectrolyte Co., Ltd.

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