Prosecution Insights
Last updated: October 26, 2026

Lisa S Park, USPTO Patent Examiner

Listed by the USPTO as PARK, LISA S

Tech Center 1700 • Art Units: 1729

This examiner grants 78% of resolved cases

Analysis

This record covers 749 resolved cases in Tech Center 1700 and Art Unit 1729. The allowance rate is 77.6%, with a median of 1082 days to allowance. Interview lift is 22.1%, showing a positive association that supports considering interviews during prosecution.

The leading companies are LG Energy Solution Ltd., Contemporary Amperex Technology Co., Limited, and Samsung SDI Co., Ltd. The leading firms are BIRCH STEWART KOLASCH & BIRCH, LLP, JCIPRNET, and Maschoff Brennan. Practitioners can pair interview-based clarification with structured claim strategy while planning for extended pendency.

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

Performance Statistics

77.6%
Allow Rate
+12.6% vs TC avg
794
Total Applications
+22.1%
Interview Lift
1082
Avg Prosecution Days
Based on 749 resolved cases, 2023–2026

Rejection Statute Breakdown

1.4%
§101 Eligibility
17.0%
§102 Novelty
53.3%
§103 Obviousness
21.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18631058 INORGANIC SOLID ELECTROLYTE-CONTAINING COMPOSITION, SHEET FOR ALL-SOLID STATE SECONDARY BATTERY, AND ALL-SOLID STATE SECONDARY BATTERY, AND MANUFACTURING METHODS FOR SHEET FOR ALL-SOLID STATE SECONDARY BATTERY AND ALL-SOLID STATE SECONDARY BATTERY Non-Final OA FUJIFILM Corporation
18406196 ELECTRODE COMPOSITION, ELECTRODE SHEET FOR ALL-SOLID STATE SECONDARY BATTERY, ALL-SOLID STATE SECONDARY BATTERY, AND MANUFACTURING METHODS FOR ELECTRODE COMPOSITION, ELECTRODE SHEET FOR ALL-SOLID STATE SECONDARY BATTERY, AND ALL-SOLID STATE SECONDARY BATTERY Non-Final OA FUJIFILM Corporation
18355436 BATTERY AND METHOD FOR MANUFACTURING THE SAME Final Rejection Panasonic Intellectual Property Management Co., Ltd.
18578569 BATTERY MODULE, BATTERY PACK, AND VEHICLE Final Rejection LG ENERGY SOLUTION, LTD.
18571088 SOLID ELECTROLYTE AND PREPARATION METHOD THEREFOR Final Rejection LG Energy Solution, Ltd.
18284232 Secondary Battery, Manufacturing Method Thereof, and Device Including the Same Non-Final OA LG Energy Solution, Ltd.
18270583 BATTERY PACK AND DEVICE INCLUDING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18022481 BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME AND MANUFACTURING METHOD OF THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18021674 BATTERY DISCONNECT UNIT AND BATTERY PACK INCLUDING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18640009 SECONDARY BATTERY AND PREPARATION METHOD THEREOF, BATTERY MODULE, BATTERY PACK, AND ELECTRIC APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
19303734 SILICON COMPOSITE MATERIAL AND PREPARATION METHOD THEREFOR, NEGATIVE ELECTRODE SHEET, SECONDARY BATTERY, AND ELECTRICAL APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18772071 POSITIVE ELECTRODE MATERIAL COMPOSITION, METHOD FOR PREPARATION THEREOF, POSITIVE ELECTRODE PLATE, SECONDARY BATTERY AND ELECTRICAL DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18637429 ELECTRODE PLATE, BATTERY CELL, BATTERY, AND ELECTRIC DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18661381 ORGANIC COATING FOR SULFIDE-CONTAINING SOLID ELECTROLYTE MATERIAL, SOLID ELECTROLYTE AND SOLID STATE BATTERY CONTAINING THE SAME Non-Final OA THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
18765961 BATTERY PACK Non-Final OA Samsung SDI Co., Ltd.
18625073 ENERGY STORAGE SYSTEM Non-Final OA SAMSUNG SDI CO., LTD.
18438302 SECONDARY BATTERY Non-Final OA Samsung SDI Co., Ltd.
18677494 ELECTROLYTIC SOLUTION FOR SECONDARY BATTERY, AND SECONDARY BATTERY Non-Final OA MURATA MANUFACTURING CO., LTD.
18532736 ELECTRODE FORMING COMPOSITION, ELECTRODE AND SECONDARY BATTERY Non-Final OA DAIKIN INDUSTRIES, LTD.
18272336 A PROCESS FOR RECOVERING COBALT FROM LITHIUM-ION BATTERIES Final Rejection NEWSOUTH INNOVATIONS PTY LIMITED

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Frequently Asked Questions

What is examiner Lisa S Park's allowance rate?

77.6% of resolved applications examined by Lisa S Park were allowed (749 resolved cases), compared with 52.2% across Art Unit 1729 over the last five years.

Does an interview help with examiner Lisa S Park?

This examiner's interview lift is +22.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Lisa S Park take to allow a patent?

Applications allowed by Lisa S Park took 1,082 days on average from filing to allowance.

Which art unit does examiner Lisa S Park work in?

Lisa S Park examines applications in Art Unit 1729 in Tech Center 1700 (Chemistry & Materials).

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