Prosecution Insights
Last updated: April 19, 2026

Examiner: APPLEGATE, SARAH ARIMINTIA

Tech Center 1700 • Art Units: 1725

This examiner grants 64% of resolved cases

Performance Statistics

64.3%
Allow Rate
-0.7% vs TC avg
61
Total Applications
+38.5%
Interview Lift
1129
Avg Prosecution Days
Based on 14 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
19.9%
§102 Novelty
57.7%
§103 Obviousness
14.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19298218 SEPARATOR, BATTERY CELL, BATTERY AND ELECTRICAL APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18456302 BATTERY HEATING METHOD, APPARATUS, DEVICE AND STORAGE MEDIUM Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18215853 METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE Non-Final OA IDEMITSU KOSAN CO.,LTD.
18269671 BUTTON-TYPE SECONDARY BATTERY Non-Final OA LG ENERGY SOLUTION, LTD.
18269620 ACTIVATION METHOD AND ACTIVATION DEVICE FOR LITHIUM SECONDARY BATTERY Non-Final OA LG ENERGY SOLUTION, LTD.
18212954 Positive Electrode Material for Lithium-Sulfur Battery and Lithium Sulfur-Battery Comprising the Same Non-Final OA LG Energy Solution, Ltd.
18267781 POSITIVE ELECTRODE INCLUDING SULFUR-CARBON COMPOSITE AND LITHIUM-ION SECONDARY BATTERY INCLUDING THE SAME Non-Final OA LG Energy Solution, Ltd.
18024264 NEGATIVE ELECTRODE CURRENT COLLECTOR FOR SOLID-STATE BATTERY AND NEGATIVE ELECTRODE FOR SOLID-STATE BATTERY INCLUDING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD
18021404 NEGATIVE ELECTRODE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
17891301 BATTERY COOLING DEVICE FOR ELECTRIC VEHICLE AND BATTERY MODULE USING THE SAME Non-Final OA HYUNDAI MOBIS Co., Ltd.
18329081 POWER SUPPLY INCLUDING THERMISTORS DISPOSED ON ANODE ENDS OF BATTERY CELLS Non-Final OA MILWAUKEE ELECTRIC TOOL CORPORATION
17929752 POWDER LAYER COMPOSITE FOR ENERGY DEVICE, METHOD FOR MANUFACTURING SAME, AND POWDER COATING APPARATUS FOR ENERGY DEVICE Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
17424653 Battery, Battery Packaging Method, and Terminal Final Rejection Huawei Technologies Co., Ltd.
18357210 NON-AQUEOUS SECONDARY BATTERY Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
17790032 HIGH SAFETY AND HIGH CAPACITY LITHIUM METAL BATTERIES IN IONIC LIQUID ELECTROLYTE WITH A SODIUM ADDITIVE Non-Final OA The Board of Trustees of the Leland Stanford Junior University
18004045 RECHARGEABLE LITHIUM BATTERY Non-Final OA SAMSUNG SDI CO., LTD.
18215409 LEAD-ACID BATTERY ELECTRODE PLATE AND METHOD FOR MAKING THEREOF, AND LEAD-ACID BATTERY Non-Final OA NATIONAL FORMOSA UNIVERSITY
17707524 ARGYRODITE SOLID ELECTROLYTES FOR SOLID-STATE BATTERIES AND METHODS OF MAKING THE SAME Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC
18101789 CARBON-BASED CONDUCTIVE AGENT, SECONDARY BATTERY, AND ELECTRICAL DEVICE Non-Final OA Ningde Amperex Technology Limited
17828099 CELL AND METHOD FOR PRODUCTION THEREOF Non-Final OA VARTA Microbattery GmbH
18111339 LITHIUM SECONDARY BATTERY Non-Final OA TeraWatt Technology K.K.
18328602 SEPARATOR PLATE COMPRISING AN ALTERNATING EDGE IN THE PORT REGION Non-Final OA Reinz-Dichtungs-GmbH
18268015 ELECTROCHEMICAL CELLS AND HEADERS HAVING SEALING FEATURES Non-Final OA EAGLEPICHER TECHNOLOGIES, LLC
18321608 METHODS AND SYSTEMS FOR FORMING ELECTRODE STACKS Non-Final OA Cuberg, Inc.
18297750 A REINFORCED SEALED FUEL CELL ASSEMBLY Non-Final OA Ballard Power Systems Inc.
18004762 STACKED CELL MANUFACTURING DEVICE Final Rejection KYOTO SEISAKUSHO CO., LTD.
17941370 GRADIENT MULTILAYER STRUCTURES FOR A LITHIUM BATTERY, METHODS FOR MANUFACTURING THEREOF, AND LITHIUM BATTERIES COMPRISING GRADIENT MULTILAYER STRUCTURES Non-Final OA Ampcera Inc.
17709409 BASE TREATED BATTERY SEPARATORS EXHIBITING HYDROFLUORIC ACID SCAVENGING CHARACTERISTICS Non-Final OA Soteria Battery Innovation Group, Inc.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month