Prosecution Insights
Last updated: April 19, 2026

Examiner: MARROQUIN, DOUGLAS C

Tech Center 1700 • Art Units: 1700 1723

This examiner grants 46% of resolved cases

Performance Statistics

45.5%
Allow Rate
-19.5% vs TC avg
61
Total Applications
+71.4%
Interview Lift
1448
Avg Prosecution Days
Based on 11 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
16.3%
§102 Novelty
55.4%
§103 Obviousness
22.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18272004 Secondary Battery Non-Final OA LG Energy Solution, Ltd.
18030958 SLURRY COMPOSITION, AND POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME Non-Final OA LG Energy Solution, Ltd.
18030643 Electrode Assembly and Battery Cell Including the Same Non-Final OA LG Energy Solution, Ltd.
18019338 NEGATIVE ELECTRODE MATERIAL, AND NEGATIVE ELECTRODE AND SECONDARY BATTERY INCLUDING THE SAME Final Rejection LG ENERGY SOLUTION, LTD.
17913290 NONAQUEOUS ELECTROLYTE SECONDARY BATTERY Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
17805701 BATTERY Final Rejection Panasonic Intellectual Property Management Co.,Ltd.
18181549 CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME Final Rejection SK ON CO., LTD.
17939008 Lithium Secondary Battery Non-Final OA SK On Co., Ltd.
17587819 METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL, SECONDARY BATTERY, AND VEHICLE Final Rejection SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
18121857 ALL SOLID STATE BATTERY AND ALL SOLID STATE BATTERY SYSTEM Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18036005 Method for Producing a Lithium-Ion Battery Cell, and Lithium-Ion Battery Cell Non-Final OA Bayerische Motoren Werke Aktiengesellschaft
18021879 Battery Cell Final Rejection Bayerische Motoren Werke Aktiengesellschaft
18320202 METHOD OF PRODUCING NEGATIVE ELECTRODE COMPOSITE MATERIAL SLURRY FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Non-Final OA Prime Planet Energy & Solutions, Inc.
17687693 NEGATIVE ELECTRODE PLATE, LITHIUM-ION SECONDARY BATTERY, AND MANUFACTURING METHOD FOR NEGATIVE ELECTRODE PLATE Final Rejection Prime Planet Energy & Solutions, Inc.
18103122 BATTERY TEMPERATURE ADJUSTMENT SYSTEM Final Rejection HONDA MOTOR CO., LTD.
18003881 CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, PREPARATION METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY COMPRISING SAME Final Rejection SAMSUNG SDI CO., LTD.
17893014 RECHARGEABLE LITHIUM BATTERY Non-Final OA SAMSUNG SDI CO., LTD.
18128459 METHOD FOR MANUFACTURING SECONDARY BATTERY Non-Final OA MURATA MANUFACTURING CO., LTD.
18085873 NEGATIVE ELECTRODE FOR SECONDARY BATTERY, AND SECONDARY BATTERY Final Rejection MURATA MANUFACTURING CO., LTD.
18073317 POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM-RICH SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME Non-Final OA UIF (University Industry Foundation), Yonsei University
18041890 DISPERSIONS OF CARBON NANOTUBES FOR USE IN COMPOSITIONS FOR MANUFACTURING BATTERY ELECTRODES Final Rejection PPG Industries Ohio, Inc.
17869657 POLYMER BLOCKER FOR SOLID-STATE BATTERY Final Rejection GM GLOBAL TECHNOLOGY OPERATIONS LLC
17654728 ALL-SOLID-STATE LITHIUM SECONDARY BATTERY INCLUDING BOTH SIDE COATED ELECTRODES AND METHOD FOR PRODUCING THE SAME Non-Final OA KOREA BASIC SCIENCE INSTITUTE
17574158 ELECTRODES FOR ALKALINE IRON BATTERIES Final Rejection FORM ENERGY, INC.
18136125 LITHIUM SECONDARY BATTERY Non-Final OA TeraWatt Technology K.K.
18176803 NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY INCLUDING SAME Final Rejection AESC JAPAN LTD.
18319965 METHOD FOR MANUFACTURING BINDER FOR COATING SECONDARY BATTERY SEPARATOR Non-Final OA APEC, LTD.
18142930 ELECTROLYTIC COPPER FOIL AND SECONDARY BATTERY COMPRISING THE SAME Final Rejection Volta Energy Solutions S.a.r.l.
18043471 DEPOSITION OF FILMS ONTO BATTERY MATERIAL POWDERS Non-Final OA Coreshell Technologies, Inc.
18011486 ELECTRODE FOR ELECTROCHEMICAL DEVICE AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Non-Final OA iElectrolyte Co., Ltd.

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