Prosecution Insights
Last updated: October 27, 2026

Maria J Laios, USPTO Patent Examiner

Listed by the USPTO as LAIOS, MARIA J

Tech Center 1700 • Art Units: 1700 1727 1795

This examiner grants 69% of resolved cases

Analysis

Maria J. Laios is an examiner in Art Unit 1700 within Tech Center 1700 with 765 resolved cases. The examiner's allowance rate is 69.2 percent, which is favorable for most applicants. However, the median pendency to allowance is 1458 days, indicating a long prosecution cycle. An interview lift of 18.2 percent suggests that examiner interviews are a productive way to resolve issues and secure a grant. This 18.2 percent lift is a key tactical consideration for practitioners looking to navigate the 1458-day median pendency more effectively.

Top companies such as LG Energy Solution Ltd., Toyota Motor Corporation, and Panasonic Holdings Corporation are frequent applicants before this examiner. These entities often work with firms like BIRCH STEWART KOLASCH & BIRCH, LLP, WHDA, LLP, and Xsensus. With 765 resolved cases, the examiner has a consistent and predictable record. Practitioners should utilize the 18.2 percent interview lift to address rejections and potentially expedite the 1458 median days to allowance for the 69.2 percent allowance rate.

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

Performance Statistics

69.2%
Allow Rate
+4.2% vs TC avg
795
Total Applications
+18.2%
Interview Lift
1458
Avg Prosecution Days
Based on 765 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
21.6%
§102 Novelty
55.0%
§103 Obviousness
17.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18782205 ELECTRODE LAMINATE AND BATTERY Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18454149 AQUEOUS POTASSIUM ION BATTERY Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18560425 LITHIUM PRIMARY BATTERY Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18262029 POWER SOURCE DEVICE AND METHOD FOR MANUFACTURING SAME Final Rejection Panasonic Energy Co.,Ltd.
18697289 Inter-Module Busbar Including Insulating Layer and Battery Pack Including the Same Non-Final OA LG Energy Solution, Ltd.
18288908 NEGATIVE ELECTRODE SLURRY FOR LITHIUM-ION SECONDARY BATTERY AND METHOD FOR PREPARING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18286735 METHOD OF MANUFACTURING A BATTERY Non-Final OA LG ENERGY SOLUTION, LTD.
18201197 LITHIUM-ION SECONDARY BATTERY Final Rejection TDK Corporation
18635210 BATTERY CELL, BATTERY AND POWER CONSUMPTION APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18760368 POSITIVE ELECTRODE ACTIVE MATERIAL OF POWER STORAGE DEVICE, POWER STORAGE DEVICE, ELECTRICALLY PROPELLED VEHICLE, AND METHOD FOR MANUFACTURING POWER STORAGE Non-Final OA SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
18085679 BATTERY MODULE ASSEMBLY, MANUFACTURING METHOD THEREOF AND VEHICLE HAVING THE SAME Non-Final OA HYUNDAI MOBIS CO., LTD.
18201858 BATTERY PACK AND METHOD OF MANUFACTURING THE SAME Final Rejection SAMSUNG SDI CO., LTD.
18480151 BATTERY Final Rejection Prime Planet Energy & Solutions, Inc.
18267013 METAL-AIR CELL AND METHOD OF MANUFACTURING Final Rejection VARTA Microbattery GmbH

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Frequently Asked Questions

What is examiner Maria J Laios's allowance rate?

69.2% of resolved applications examined by Maria J Laios were allowed (765 resolved cases), compared with 40.4% across Art Unit 1700 over the last five years.

Does an interview help with examiner Maria J Laios?

This examiner's interview lift is +18.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Maria J Laios take to allow a patent?

Applications allowed by Maria J Laios took 1,458 days on average from filing to allowance.

Which art unit does examiner Maria J Laios work in?

Maria J Laios examines applications in Art Unit 1700 in Tech Center 1700 (Chemistry & Materials).

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