Prosecution Insights
Last updated: April 19, 2026

Examiner: ZEMUI, NATHANAEL T

Tech Center 1700 • Art Units: 1725 1727

This examiner grants 56% of resolved cases

Performance Statistics

56.1%
Allow Rate
-8.9% vs TC avg
520
Total Applications
+25.1%
Interview Lift
1334
Avg Prosecution Days
Based on 458 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
20.5%
§102 Novelty
63.2%
§103 Obviousness
14.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17780642 Positive Electrode Optimized for Improving High-Temperature Life Characteristics and Secondary Battery Comprising the Same Final Rejection LG Energy Solution, Ltd.
17774588 Battery Module and Battery Pack Including the Same Final Rejection LG Energy Solution, Ltd.
18028695 LITHIUM ION SECONDARY BATTERY Final Rejection Panasonic Intellectual Property Management Co., Ltd.
18059141 SOLID ELECTROLYTE, ELECTRODE, POWER STORAGE ELEMENT, AND METHOD FOR PRODUCING SOLID ELECTROLYTE Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
17926041 NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Non-Final OA PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
18180129 INORGANIC SOLID ELECTROLYTE-CONTAINING COMPOSITION, SHEET FOR ALL-SOLID STATE SECONDARY BATTERY, AND ALL-SOLID STATE SECONDARY BATTERY, AND MANUFACTURING METHODS FOR SHEET FOR ALL-SOLID STATE SECONDARY BATTERY AND ALL-SOLID STATE SECONDARY BATTERY Non-Final OA FUJIFILM Corporation
18479963 OXIDE-BASED FILM SHEET, OXIDE-BASED SOLID ELECTROLYTE SHEET, AND ALL-SOLID LITHIUM SECONDRY BATTERY Non-Final OA SK On Co., Ltd.
16970433 THERMOREGULATION SYSTEM AND ELECTRICALLY DRIVEN VEHICLE COMPRISING SUCH A SYSTEM Final Rejection VOLVO TRUCK CORPORATION
18079445 SOLID ELECTROLYTE FREE-STANDING MEMBRANE FOR ALL-SOLID-STATE BATTERY AND MANUFACTURING METHOD THEREOF Final Rejection KIA CORPORATION
17727300 POSITIVE ELECTRODE ACTIVE MATERIAL AND MANUFACTURING METHOD OF POSITIVE ELECTRODE ACTIVE MATERIAL Non-Final OA SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
17351735 Hybrid Electrolyte For Lithium Metal Battery Final Rejection THE REGENTS OF THE UNIVERSITY OF MICHIGAN
18381082 BATTERY MODULE Final Rejection 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.
17301457 BYPRODUCT FREE METHODS FOR SOLID HYBRID ELECTROLYTE Non-Final OA Blue Current, Inc.
17984328 HIGH-CONCENTRATION PARTICLE-CONTAINING FILM AND METHOD FOR PRODUCING SAME Non-Final OA Teijin Limited
18277512 SOLID ELECTROLYTE AND METHOD FOR PRODUCING SAME Non-Final OA Mitsui Mining & Smelting Co., Ltd.
18277307 METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE Non-Final OA Mitsui Mining & Smelting Co., Ltd.
18012480 MEMBRANE MADE OF A POLYCRYSTALLINE LLZO PRODUCT Non-Final OA SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN
18005807 SOLID COMPOSITE ELECTROLYTE Final Rejection Solvay SA
18403598 COMPOSITE CARBON MATERIALS COMPRISING LITHIUM ALLOYING ELECTROCHEMICAL MODIFIERS Final Rejection Group14 Technologies, Inc.
17768794 COMPOSITION Final Rejection Mexichem Fluor S.A. de C.V.
17913237 LITHIUM ION SECONDARY BATTERY Final Rejection DKS CO. LTD.
17648167 Inorganic-Polymeric Hybrid Solid-State Electrolytes, Lithium Batteries Containing Same, and Production Processes Final Rejection Global Graphene Group, 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.
18139393 BATTERY ELECTROLYTE COMPOSITION Non-Final OA Tygrus, LLC
18120776 DOPED CATHODE MATERIAL PRECURSOR FROM RECYCLED LITHIUM-ION BATTERIES Final Rejection Ascend Elements, Inc.
17923214 METAL SULFATE SYSTEMS FOR LEAD-ACID BATTERIES Final Rejection Daramic, LLC
17999706 POLYELECTROLYTE COMPOSITES Non-Final OA Sepion Technologies, Inc.
15384781 Process for Producing Flexible and Shape-Conformal Cable-Type Alkali Metal Batteries Final Rejection Nanotek Instruments, Inc.

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