Prosecution Insights
Last updated: October 02, 2026

Examiner: CHUO, TONY SHENG HSIANG

Tech Center 1700 • Art Units: 1723 1729 1751 1795

This examiner grants 46% of resolved cases

Analysis

Tony Sheng Hsiang Chuo operates in Art Unit 1723 of Tech Center 1700, where the examiner has 708 resolved cases. The allowance rate is 45.8 percent. This metric indicates the proportion of applications that result in a patent grant. The median days to allowance is 1506, representing the duration of the prosecution period.

The interview lift is 7.2 percent. This figure shows the increase in the allowance rate when an interview is conducted. Practitioners can use this 7.2 percent lift to assess the potential impact of oral advocacy. The 708 cases provide a substantial foundation for these observations in Art Unit 1723.

The 1506 median days to allowance serves as a benchmark for applicants in Tech Center 1700. With an allowance rate of 45.8 percent, less than half of the applications reach a grant. These data points offer a comprehensive view of the examiner's historical performance. The volume of resolved cases supports the reliability of these metrics.

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

Performance Statistics

45.8%
Allow Rate
-19.2% vs TC avg
760
Total Applications
+7.2%
Interview Lift
1506
Avg Prosecution Days
Based on 708 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
17.1%
§102 Novelty
60.5%
§103 Obviousness
18.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17603466 NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Non-Final OA Panasonic Corporation
18700417 NONAQUEOUS ELECTROLYTE SECONDARY BATTERY POSITIVE ELECTRODE AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY Non-Final OA Panasonic Energy Co., Ltd.
18588152 FUEL CELL STACK Non-Final OA Honda Motor Co., Ltd.
17625213 Pre-Dispersant Composition, and Electrode and Secondary Battery Which Include the Same Non-Final OA LG Chem, Ltd.
18682229 Separator Stack, Electrode Assembly Including Same, and Electrode Assembly Manufacturing Method Non-Final OA LG ENERGY SOLUTION, LTD
18267086 BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME Final Rejection LG Energy Solution, Ltd.
18026946 Method And Apparatus For Manufacturing Unit Cell Non-Final OA LG Energy Solution, Ltd.
18007923 SEPARATOR INCLUDING A POROUS POLYMER SUBSTRATE AND POROUS COATING LAYER AND ELECTROCHEMICAL DEVICE COMPRISING SAME Non-Final OA LG ENERGY SOLUTION, LTD.
17918763 Electrode for Secondary Battery, Secondary Battery Including the Same, and Method of Manufacturing Electrode Non-Final OA LG Energy Solution, Ltd.
17784941 BATTERY PACK INCLUDING A SEALING GASKET AND VEHICLE COMPRISING BATTERY PACK Non-Final OA LG ENERGY SOLUTION, LTD.
18319236 AUTOMATED FLOODED LEAD-ACID BATTERY MAINTENANCE Final Rejection Saudi Arabian Oil Company
18207915 DEVICE AND METHOD FOR DIAGNOSING HYDROGEN LEAKAGE OF FUEL CELL VEHICLE Non-Final OA KIA CORPORATION
18660047 SECONDARY BATTERY Non-Final OA Samsung SDI Co., Ltd.
18536088 BATTERY MODULE Final Rejection SAMSUNG SDI CO., LTD.
17924084 BATTERY WIRING MODULE Non-Final OA SUMITOMO WIRING SYSTEMS, LTD.
18195439 Method for producing a crystalline solid electrolyte, a crystalline solid electrolyte, and an electrode combined material and a lithium ion battery using it Final Rejection Idemitsu Kosan Co., Ltd.
18183371 BATTERY PACK ELECTRICAL CONNECTION SYSTEM AND METHOD FOR ELECTRICALLY CONNECTING BATTERY PACK COMPONENTS Non-Final OA Ford Global Technologies, LLC
18056419 BUS BAR MODULES FOR TRACTION BATTERY PACKS Non-Final OA FORD GLOBAL TECHNOLOGIES, LLC
18075690 Sulfide Solid Electrolyte Non-Final OA Mitsui Mining & Smelting Co., Ltd.
18205179 Si-SUBSTITUTED LITHIUM THIOBORATE MATERIAL WITH HIGH LITHIUM ION CONDUCTIVITY FOR USE AS SOLID-STATE ELECTROLYTE AND ELECTRODE ADDITIVE Final Rejection California Institute of Technology
16629806 METAL COMPOSITE HYDROXIDE, METHOD FOR PRODUCING SAME, POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, METHOD FOR PRODUCING SAID POSITIVE ELECTRODE ACTIVE MATERIAL, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING SAID POSITIVE ELECTRODE ACTIVE MATERIAL Non-Final OA SUMITOMO METAL MINING CO., LTD.
18314415 FUEL CELL WET END WITH TERMINAL-COMPRESSION PLATE Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC
17967327 SEPARATOR, ELECTROCHEMICAL APPARATUS, AND ELECTRONIC APPARATUS Non-Final OA Ningde Amperex Technology Limited

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