Prosecution Insights
Last updated: October 26, 2026

Maria F Orozco, USPTO Patent Examiner

Listed by the USPTO as OROZCO, MARIA F

Tech Center 1700 • Art Units: 1729

This examiner grants 70% of resolved cases

Analysis

OROZCO, MARIA F works in tech center 1700 and art unit 1729. The profile records 23 resolved cases, a 69.6% allowance rate, and a median of 1341 days to allowance. Interview lift is 0.8%, indicating only a slight positive association between interviews and allowance outcomes. The small resolved-case base limits the confidence that can be placed in the reported pattern.

The principal companies are Contemporary Amperex Technology Co., Limited, LG Energy Solution Ltd., and Kia Corporation. The listed firms are Fox Rothschild LLP, BIRCH STEWART KOLASCH & BIRCH, LLP, and Bryan Cave Leighton Paisner LLP (DC). Practitioners should plan for the 1341-day median and keep claim alternatives available. Interviews may provide clarification, but the limited lift supports placing primary reliance on carefully developed written amendments and technical distinctions.

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

Performance Statistics

69.6%
Allow Rate
+4.6% vs TC avg
70
Total Applications
+0.8%
Interview Lift
1341
Avg Prosecution Days
Based on 23 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
18.0%
§102 Novelty
56.4%
§103 Obviousness
19.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18628030 ELECTROLYTES FOR REACTIVE ANODE BATTERIES Non-Final OA Toyota Motor Engineering & Manufacturing North America, Inc.
18011254 NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Non-Final OA PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
18709787 PRISMATIC SECONDARY BATTERY HAVING IMPROVED SAFETY Non-Final OA LG ENERGY SOLUTION, LTD.
18272287 BATTERY PACK INCLUDING PACK CASE FITTED WITH COOLING FINS Non-Final OA LG ENERGY SOLUTION, LTD.
18025980 Positive Electrode Additive and Positive Electrode for Lithium Secondary Battery Containing Same Non-Final OA LG Energy Solution, Ltd.
18589483 CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, LITHIUM SECONDARY BATTERY, AND METHOD FOR MANUFACTURING CATHODE ACTIVE MATERIAL Non-Final OA HONDA MOTOR CO., LTD.
18065402 ALL-SOLID-STATE BATTERY AND METHOD OF MANUFACTURING THE SAME Final Rejection Kia Corporation
18637389 BATTERY CELL AND BATTERY Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18620842 BATTERY CELL, METHOD AND SYSTEM FOR MANUFACTURING BATTERY CELL, BATTERY, AND ELECTRICAL APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18176265 SECONDARY BATTERY AND ELECTRIC APPARATUS Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18108660 BATTERY CELL, BATTERY, ELECTRICAL DEVICE, AND METHOD AND APPARATUS FOR MANUFACTURING BATTERY CELL Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18038916 LITHIUM ION CONDUCTOR AND ALL-SOLID-STATE BATTERY COMPRISING THE SAME Final Rejection SAMSUNG ELECTRO-MECHANICS CO., LTD.
18692862 CATHODE COATING FOR LI-ION BATTERY Non-Final OA Arkema France
17941409 ANODE PLATE, AND BATTERY AND ELECTRONIC APPARATUS USING SUCH ELECTRODE PLATE Final Rejection Ningde Amperex Technology Limited

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Frequently Asked Questions

What is examiner Maria F Orozco's allowance rate?

69.6% of resolved applications examined by Maria F Orozco were allowed (23 resolved cases), compared with 52.2% across Art Unit 1729 over the last five years.

Does an interview help with examiner Maria F Orozco?

This examiner's interview lift is +0.8 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 F Orozco take to allow a patent?

Applications allowed by Maria F Orozco took 1,341 days on average from filing to allowance.

Which art unit does examiner Maria F Orozco work in?

Maria F Orozco examines applications in Art Unit 1729 in Tech Center 1700 (Chemistry & Materials).

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