Prosecution Insights
Last updated: October 02, 2026

Examiner: WANG, EUGENIA

Tech Center 1700 • Art Units: 1726 1729 1759 1795 1796

This examiner grants 54% of resolved cases

Analysis

Eugenia Wang is an examiner in Art Unit 1726 within Tech Center 1700. The examiner has 707 resolved cases with an allowance rate pct of 54.3. This rate indicates a moderate level of difficulty for applications in the chemical arts.

The interview lift pct of 34.9 suggests that interviews are a productive way to advance cases. This lift provides a significant boost over the 54.3% base allowance rate. Practitioners should use interviews to clarify technical points and overcome rejections.

The median days to allowance is 1477. This long duration reflects the thorough nature of the examination process in this unit. The large sample of 707 resolved cases ensures that these metrics are statistically significant.

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

Performance Statistics

54.4%
Allow Rate
-10.6% vs TC avg
726
Total Applications
+34.8%
Interview Lift
1476
Avg Prosecution Days
Based on 708 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
15.4%
§102 Novelty
51.5%
§103 Obviousness
27.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18426576 WET MIXTURE, COATED LITHIUM-CONTAINING POSITIVE ELECTRODE ACTIVE MATERIAL PARTICLES, AND METHOD OF PRODUCING LITHIUM ION SECONDARY BATTERY, AND WET MIXTURE, COATED LITHIUM-CONTAINING POSITIVE ELECTRODE ACTIVE MATERIAL PARTICLES, AND LITHIUM ION SECONDARY BATTERY Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18289666 Electrode Assembly and Manufacturing Method Therefor Final Rejection LG Energy Solution, Ltd.
18272093 ELECTRODE Final Rejection LG ENERGY SOLUTION, LTD.
18267027 METHOD FOR MANUFACTURING CORROSION-PREVENTING LAYER, AND CYLINDRICAL SECONDARY BATTERY Final Rejection LG ENERGY SOLUTION, LTD.
18365314 BATTERY ARRANGEMENT HAVING VIBRATION-DAMPED COVER AND METHOD FOR PRODUCING A BATTERY ARRANGEMENT FOR A MOTOR VEHICLE Non-Final OA AUDI AG
18515260 ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY AND ELECTRICAL DEVICE Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18503736 BATTERY PACK AND ELECTRIC APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18242220 Anode for Secondary Battery and Lithium Secondary Battery Including the Same Final Rejection SK On Co., Ltd.
17982593 Battery Cell Stack and Manufacturing Method Thereof Final Rejection SK On Co., Ltd.
18105399 STRUCTURAL DIVIDER FINS FOR USE WITHIN TRACTION BATTERY PACKS Non-Final OA FORD GLOBAL TECHNOLOGIES, LLC
18404671 BATTERY POSITIVE ELECTRODE MATERIAL AND APPLICATION THEREOF Non-Final OA BYD COMPANY LIMITED
18401362 LIQUID COOLING SYSTEM AND BATTERY SYSTEM Non-Final OA EVE ENERGY CO. , LTD.
18506149 POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREOF, POSITIVE ELECTRODE SHEET, LITHIUM ION BATTERY AND LITHIUM ION BATTERY PACK Non-Final OA AESC Japan Ltd.

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