Prosecution Insights
Last updated: October 02, 2026

Examiner: ZHANG, HAIXIA

Tech Center 1700 • Art Units: 1723 1726

This examiner grants 63% of resolved cases

Analysis

Haixia Zhang is an examiner in Art Unit 1723 of Tech Center 1700. She has 310 resolved cases and an allowance rate of 62.9 percent. This 62.9 percent rate suggests an environment for applicants and a path to allowance. The median days to allowance is 1198. This 1198-day figure is a duration for this art unit. Practitioners should communicate this metric to their clients for planning purposes in Tech Center 1700.

The interview lift is 17.8 percent. This 17.8 percent lift shows that interviews are a way to resolve issues and secure an allowance. This increase is a metric for strategy planning and suggests that direct engagement is beneficial. With 310 resolved cases, the 62.9 percent allowance rate is an indicator for practitioners. The 17.8 percent lift indicates that the examiner is receptive to discussion. The 1198-day median is a reference point for pendency in Art Unit 1723. The data points to a professional path.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

62.9%
Allow Rate
-2.1% vs TC avg
323
Total Applications
+17.8%
Interview Lift
1198
Avg Prosecution Days
Based on 310 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
11.5%
§102 Novelty
49.7%
§103 Obviousness
27.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17578881 Transition Metal Precursor Having Low Tap Density And Lithium Transition Metal Oxide Having High Particle Strength Non-Final OA LG Chem, Ltd.
17051974 FILM FOR PACKAGING SECONDARY BATTERY AND SECONDARY BATTERY COMPRISING THE SAME Final Rejection LG Chem, Ltd.
17697375 SYSTEMS AND METHODS FOR ELECTRICAL ENERGY STORAGE Final Rejection Board of Regents, The University of Texas System
17565962 CARBON MATERIAL, METHOD FOR PRODUCING CARBON MATERIAL, AND NON-AQUEOUS SECONDARY BATTERY USING CARBON MATERIAL Final Rejection MITSUBISHI CHEMICAL CORPORATION
17605123 Lithium Secondary Battery And Method Of Preparing The Same Non-Final OA IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)

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