Prosecution Insights
Last updated: May 29, 2026

Examiner: ZEMUI, NATHANAEL T

Tech Center 1700 • Art Units: 1725 1727

This examiner grants 56% of resolved cases

Performance Statistics

56.2%
Allow Rate
-8.8% vs TC avg
525
Total Applications
+24.8%
Interview Lift
1327
Avg Prosecution Days
Based on 466 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
6.1%
§102 Novelty
89.5%
§103 Obviousness
2.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19332345 Positive Electrode and Lithium Secondary Battery Including the Same Non-Final OA LG Energy Solution, Ltd.
17774588 Battery Module and Battery Pack Including the Same Final Rejection LG Energy Solution, Ltd.
18637433 BATTERY AND POWER CONSUMING DEVICE Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
16970433 THERMOREGULATION SYSTEM AND ELECTRICALLY DRIVEN VEHICLE COMPRISING SUCH A SYSTEM Final Rejection VOLVO TRUCK CORPORATION
18028695 LITHIUM ION SECONDARY BATTERY Final Rejection Panasonic Intellectual Property Management Co., Ltd.
17926041 NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Non-Final OA PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
17659774 MAGNESIUM SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SOLUTION FOR MAGNESIUM SECONDARY BATTERY Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
17727300 POSITIVE ELECTRODE ACTIVE MATERIAL AND MANUFACTURING METHOD OF POSITIVE ELECTRODE ACTIVE MATERIAL Non-Final OA SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
18200258 MANUFACTURING DEVICE FOR ASSEMBLED BATTERY Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18833894 Preparation And Application Of A Polymer-based Composite Solid Electrolyte With High Ionic Conductivity Non-Final OA Beijing University of Technology
18079445 SOLID ELECTROLYTE FREE-STANDING MEMBRANE FOR ALL-SOLID-STATE BATTERY AND MANUFACTURING METHOD THEREOF Non-Final OA KIA CORPORATION
17351735 Hybrid Electrolyte For Lithium Metal Battery Final Rejection THE REGENTS OF THE UNIVERSITY OF MICHIGAN
17985756 MANGANESE OXIDES AND CATHODE ACTIVE MATERIALS Non-Final OA Honda Motor Co., Ltd.
18277307 METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE Non-Final OA Mitsui Mining & Smelting Co., Ltd.
17446044 ALL-SOLID SECONDARY BATTERY Non-Final OA Samsung SDI Co., Ltd.
17359143 NICKEL-BASED LITHIUM METAL COMPOSITE OXIDE, PREPARING METHOD THEREOF, AND LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE INCLUDING THE SAME Final Rejection Samsung SDI Co., Ltd.
17084466 POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME Non-Final OA SAMSUNG SDI CO., LTD.
17997559 INTUMESCENT COATINGS Non-Final OA PPG Industries Ohio, Inc.
17984328 HIGH-CONCENTRATION PARTICLE-CONTAINING FILM AND METHOD FOR PRODUCING SAME Non-Final OA Teijin Limited
18012480 MEMBRANE MADE OF A POLYCRYSTALLINE LLZO PRODUCT Non-Final OA SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN
18005807 SOLID COMPOSITE ELECTROLYTE Non-Final OA Solvay SA
18403598 COMPOSITE CARBON MATERIALS COMPRISING LITHIUM ALLOYING ELECTROCHEMICAL MODIFIERS Final Rejection Group14 Technologies, Inc.
18140066 REFERENCE ELECTRODE ASSEMBLY, ELECTRICAL ENERGY STORAGE DEVICE COMPRISING THE REFERENCE ELECTRODE ASSEMBLY AND RELATIVE PRODUCTION METHOD Non-Final OA BEDIMENSIONAL S.P.A.
18120776 DOPED CATHODE MATERIAL PRECURSOR FROM RECYCLED LITHIUM-ION BATTERIES Final Rejection Ascend Elements, Inc.
17913237 LITHIUM ION SECONDARY BATTERY Final Rejection DKS CO. LTD.
18139393 BATTERY ELECTROLYTE COMPOSITION Non-Final OA Tygrus, LLC
17923214 METAL SULFATE SYSTEMS FOR LEAD-ACID BATTERIES Final Rejection Daramic, LLC
17999706 POLYELECTROLYTE COMPOSITES Non-Final OA Sepion Technologies, Inc.
15391379 Process for Flexible and Shape-Conformal Cable-Shape Alkali Metal-Sulfur Batteries Non-Final OA Nanotek Instruments, Inc.
15384781 Process for Producing Flexible and Shape-Conformal Cable-Type Alkali Metal Batteries Final Rejection Nanotek Instruments, Inc.

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