Advanced Maize Hybrid: Extreme Environment Adaptation

Publication ID: 24-11856906_0004_PTD

Published: October 26, 2025

Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Advanced Maize Hybrid: Extreme Environment Adaptation,” Published Technical Disclosure No. 24-11856906_0004_PTD, Published October 26, 2025, available at https://archive.pr1or.art/24-11856906_0004_PTD

This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,856,906.

Background and Problem Solved

The original maize hybrid X18R501, although possessing desirable traits, lacked adaptability to specific, demanding environments. This limitation hindered its widespread adoption in niche markets. The new invention addresses this problem by incorporating specialized traits, making it suitable for high-security needs, disaster relief, extreme weather conditions, high-altitude regions, and high-latitude regions.

Novelty and Inventive Step

The new invention's novelty lies in its adaptation of maize hybrid X18R501 to specific, niche environments through the incorporation of specialized traits, transgenes, and genetic markers. The inventive step is the recognition of the need for such adaptations and the development of a comprehensive system, method, or hybrid maize variety that addresses these needs.

Alternative Embodiments and Variations

Alternative embodiments of the invention could include adapting maize hybrid X18R501 for other niche environments, such as coastal regions or areas with high salinity levels. Variations could also involve the use of different transgenes, genetic markers, or breeding techniques to achieve the desired traits.

Potential Commercial Applications and Market

The invention has significant commercial potential in various industries, including agriculture, disaster relief, and high-security operations. The targeted markets include regions prone to natural disasters, high-altitude regions, high-latitude regions, and areas with specific security concerns. The invention's adaptability to niche environments enhances its value proposition, making it an attractive solution for these markets.

CPC Classifications

Section	Class	Group
A	A01	A01H6/4684
A	A01	A01H5/10

Section 103 Obviousness Analysis (PHOSITA)

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Field of Art

Plant Breeding and Genetic Engineering, specifically maize hybrid development with focus on trait enhancement and environmental adaptation

Person of Ordinary Skill (PHOSITA) Profile

A plant geneticist or plant breeder with advanced degree, expertise in maize genetics, familiarity with transgenic techniques, understanding of trait introgression and environmental stress resistance mechanisms

Obviousness Rationale

A PHOSITA would recognize that the PTD's variations represent standard breeding and genetic engineering approaches for enhancing maize hybrid performance across different environmental conditions. The disclosed modifications involve predictable genetic strategies like transgene incorporation, single locus conversions, and targeted trait development that are routine in agricultural biotechnology. These variations represent incremental improvements that would be obvious extensions of the source patent's foundational hybrid breeding approach.

Obvious Combinations & Variations

Source Patent Element

Hybrid maize variety X18R501 derived from crossing 1PCBY70 and PH4BY5 parent lines

PTD Variation

Adding transgenes for heat and drought resistance to the base hybrid variety

Obviousness Reasoning

Introducing stress tolerance genes is a known and predictable technique in crop improvement, representing a standard design choice for enhancing agricultural performance

Source Patent Element

Claim for seed production method involving specific parent line crosses

PTD Variation

Developing targeted breeding strategies for specific environmental niches like high-altitude or disaster-prone regions

Obviousness Reasoning

Adapting crop varieties for specific environmental conditions is a standard practice in plant breeding, involving predictable genetic selection and modification techniques

Source Patent Element

Base hybrid variety with potential for genetic modification

PTD Variation

Incorporating single locus conversions and genetic markers for enhanced trait identification

Obviousness Reasoning

Genetic marker development and trait-specific genetic modifications are routine techniques in modern plant breeding, representing predictable technological extensions

Source Patent Element

Hybrid seed production method involving specific parent line crosses

PTD Variation

Developing methods for high-security and disaster relief maize production

Obviousness Reasoning

Breeding for specific agricultural production scenarios is a standard approach in crop development, involving known genetic selection and modification strategies

35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11856906 for hybrid maize variety X18R501, a person having ordinary skill in the art would find the disclosed variations in the accompanying Published Technical Disclosure to represent obvious extensions of the source patent's foundational breeding approach. The modifications involve predictable genetic engineering techniques, standard trait enhancement strategies, and routine adaptations of existing hybrid breeding methodologies, thereby rendering potential derivative claims obvious under 35 U.S.C. Section 103.

Original Patent Information

Patent Number	US 11,856,906
Title	Maize hybrid X18R501
Assignee(s)	PIONEER HI-BRED INTERNATIONAL, INC.