Prosecution Insights
Last updated: August 18, 2026

Examiner: CHAU, LINDA N

Tech Center 4100 • Art Units: 1785 1794 4100

This examiner grants 44% of resolved cases

Performance Statistics

44.5%
Allow Rate
-15.5% vs TC avg
625
Total Applications
+15.9%
Interview Lift
1394
Avg Prosecution Days
Based on 580 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
17.7%
§102 Novelty
56.4%
§103 Obviousness
18.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18372284 NEGATIVE ELECTRODE ACTIVE MATERIAL LAYER AND SOLID-STATE BATTERY Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18264588 POWER SUPPLY DEVICE Final Rejection Panasonic Energy Co.,Ltd.
17922309 LITHIUM-SULFUR BATTERY HAVING HIGH ENERGY DENSITY Final Rejection LG Energy Solution, Ltd.
18276319 BATTERY AND METHOD FOR PRODUCING BATTERY Final Rejection TDK CORPORATION
18159390 NANOGRANULAR MAGNETIC FILM AND ELECTRONIC COMPONENT Non-Final OA TDK CORPORATION
18064187 MIXED ELECTROLYTE FOR LI-S BATTERY Final Rejection THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
18454616 COMPOSITE ANODE ACTIVE MATERIAL, ANODE AND LITHIUM BATTERY COMPRISING SAME, AND METHOD OF PREPARING SAME Non-Final OA Samsung SDI Co., Ltd.
17985698 Gold-Copper Alloy In A Heat-Assisted Magnetic Recording Writer Non-Final OA Headway Technologies, Inc.
18159733 METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE, AND SULFIDE SOLID ELECTROLYTE Final Rejection AGC Inc.
18115850 SEPARATOR FOR BATTERY PACK OF ELECTRIFIED VEHICLE Non-Final OA Ford Global Technologies, LLC
18673038 MAGNETIC RECORDING APPARATUS WITH HEAT-ASSISTED READ PROCESS Non-Final OA Western Digital Technologies, Inc.
17267859 CAST MOLD FORMING COMPOSITIONS AND USES THEREOF Final Rejection ECONCRETE TECH LTD.
18364510 MULTI-LAYER SEAL FOR SEVERE FUEL CELL APPLICATIONS Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC
18363052 ROLL-TO-ROLL HOT CASTING OF FREE-STANDING GEL MEMBRANE FOR BATTERY CELLS Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC
18706446 GLASS SUBSTRATE FOR MAGNETIC RECORDING MEDIUM, GLASS DISK FOR MAGNETIC RECORDING MEDIUM, METHOD FOR MANUFACTURING MAGNETIC RECORDING MEDIUM, AND METHOD FOR MANUFACTURING GLASS DISK Non-Final OA Nippon Electric Glass Co., Ltd.
18183321 Metal Supported Proton Conduction Fuel Cell with Structured Electrolyte Final Rejection Nissan North America, Inc.
18550622 ANODES VIA INTERFACIAL BONDING, METHODS OF MAKING SAME, AND USES THEREOF Non-Final OA Cornell University
18861283 FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM Non-Final OA Resonac Corporation
18861341 FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM Final Rejection Resonac Corporation
18883215 HEATING DEVICE AND METHOD OF MANUFACTURING MAGNETIC RECORDING MEDIUM Non-Final OA Resonac Corporation
18239838 SILYL ENOLATES FOR USE IN LITHIUM BATTERY ELECTROLYTES Non-Final OA UCHICAGO ARGONNE, LLC
18193969 BATTERY MODULE AND ELECTRICAL DEVICE Final Rejection Ningde Amperex Technology Limited
18114202 THERMALLY STABLE, CLADDED PERMANENT MAGNETS, AND COMPOSITIONS AND METHODS FOR MAKING THE SAME Final Rejection HRL Laboratories, LLC

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