Prosecution Insights
Last updated: August 17, 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.
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.
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.
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
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
18239838 SILYL ENOLATES FOR USE IN LITHIUM BATTERY ELECTROLYTES Non-Final OA UCHICAGO ARGONNE, 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