Published Technical Disclosure Archive

Advanced Corn Breeding: Drought-Resistant Hybrid Innovation

Publication ID: 24-11856909_0006_PTD
Published: October 26, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Advanced Corn Breeding: Drought-Resistant Hybrid Innovation,” Published Technical Disclosure No. 24-11856909_0006_PTD, Published October 26, 2025, available at https://archive.pr1or.art/24-11856909_0006_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. 11,856,909.

Background and Problem Solved

The original patent, 'Plants and seeds of hybrid corn variety CH011205', relates to corn breeding and describes the hybrid variety CH011205. However, the original patent has limitations, such as vulnerability to drought, weak stalks, susceptibility to diseases, and poor ear retention. The present invention addresses these limitations by introducing novel traits and techniques to enhance the performance of the CH011205 hybrid corn variety.

Novelty and Inventive Step

The novelty of the present invention lies in the combination of these five direct improvements and enhancements, which are not obvious from the original patent. The inventive step resides in the identification of specific limitations in the original patent and the development of targeted solutions to address these limitations, thereby providing a significantly improved hybrid corn variety.

Alternative Embodiments and Variations

Alternative embodiments of the invention may include the use of different drought-tolerant genes, varying the timing and dosage of plant growth regulators, incorporating additional disease resistance traits, or modifying the decision-support algorithm for disease monitoring and control. Variations may also include the application of these improvements to other hybrid corn varieties or the development of new hybrid corn varieties with enhanced traits.

Potential Commercial Applications and Market

The present invention has significant commercial potential in the agricultural industry, particularly in the development of high-yielding, disease-resistant, and drought-tolerant corn varieties. The target market includes corn breeders, farmers, and agricultural companies seeking to improve crop yields and reduce losses due to disease and environmental stress.

CPC Classifications

SectionClassGroup
A A01 A01H6/4684
A A01 A01H5/10

Field of Art

Plant Breeding and Genetic Engineering, specifically focused on hybrid corn variety development, involving molecular genetics, plant biotechnology, and agricultural crop improvement techniques

Person of Ordinary Skill (PHOSITA) Profile

A plant geneticist or corn breeder with a PhD or equivalent industry experience, familiar with genetic modification techniques, plant breeding strategies, disease resistance mechanisms, and advanced agricultural biotechnology methods

Obviousness Rationale

A skilled practitioner would recognize that the PTD's variations represent standard optimization strategies for hybrid corn varieties, leveraging known genetic engineering and plant breeding techniques. The disclosed improvements align with established approaches in agricultural biotechnology for enhancing crop performance. Each variation represents a predictable extension of the source patent's foundational genetic and breeding work.

Obvious Combinations & Variations

Source Patent Element
Hybrid corn variety CH011205 with specific genetic background from varieties CV181138 and CV426610
PTD Variation
Introgressing drought-tolerant gene into the genetic background
Obviousness Reasoning
Introducing specific genes to enhance environmental stress tolerance is a routine technique in plant breeding, representing a predictable optimization of existing genetic material
Source Patent Element
Corn plant with defined genetic characteristics
PTD Variation
Applying plant growth regulators during vegetative and reproductive stages to enhance stalk strength and ear retention
Obviousness Reasoning
Manipulating plant growth through hormonal treatments is a well-established agricultural practice with known and expected outcomes
Source Patent Element
Hybrid corn variety with baseline genetic composition
PTD Variation
Incorporating transgenic event for Western Corn Rootworm resistance
Obviousness Reasoning
Adding disease/pest resistance through genetic modification is a standard approach in crop improvement, representing a finite set of known intervention strategies
Source Patent Element
Corn breeding methodology focused on trait combination
PTD Variation
Implementing sensor network and decision-support algorithm for disease monitoring
Obviousness Reasoning
Integrating digital technologies with plant breeding is a predictable technological convergence in modern agricultural systems
Source Patent Element
Genetic variety with specific parental lineages
PTD Variation
Alternative embodiments exploring different drought-tolerant genes and growth regulation approaches
Obviousness Reasoning
Exploring systematic variations within a known technological framework represents standard scientific methodology in crop improvement
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11856909 and the comprehensive variations disclosed herein, a person having ordinary skill in the art would find the claimed innovations obvious and lacking inventive step. The systematic modifications represent predictable extensions of existing hybrid corn breeding techniques, employing standard genetic engineering and agricultural biotechnology methodologies to incrementally improve crop performance characteristics.

Original Patent Information

Patent NumberUS 11,856,909
TitlePlants and seeds of hybrid corn variety CH011205
Assignee(s)MONSANTO TECHNOLOGY LLC