Advanced Energy Absorption Footwear Innovation

Publication ID: 24-11857027_0009_PTD

Published: October 27, 2025

Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Advanced Energy Absorption Footwear Innovation,” Published Technical Disclosure No. 24-11857027_0009_PTD, Published October 27, 2025, available at https://archive.pr1or.art/24-11857027_0009_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. 11,857,027.

Background and Problem Solved

The original patent (U.S. Pat. No. 10,085,514) introduced an energy absorption and return system for footwear. However, it did not address the unique challenges of specialized environments. This invention solves the problem of inadequate footwear performance in niche markets by providing tailored solutions.

Novelty and Inventive Step

The new claims introduce novel adaptations of the energy absorption and return system for specific environments, which are not obvious from the original patent. The inventive step lies in the tailored materials and design elements that address the unique challenges of each niche market.

Alternative Embodiments and Variations

Alternative embodiments could include variations in midsole materials, upper materials, and fastening systems to accommodate different environments. For example, a high-temperature midsole material could be used for firefighters, or a shock-absorbing midsole material for military personnel.

Potential Commercial Applications and Market

The invention has significant commercial potential in various industries, including athletic apparel, disaster relief, outdoor gear, high-security facilities, and adaptive sports equipment. The target markets include professional athletes, emergency responders, outdoor enthusiasts, and individuals with specific footwear needs.

CPC Classifications

Section	Class	Group
A	A43	A43B13/181
F	F16	F16F1/368
F	F16	F16F3/10
F	F16	F16F2224/0241
F	F16	F16F2238/022

Section 103 Obviousness Analysis (PHOSITA)

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Field of Art

Footwear design and engineering, focusing on energy absorption and return systems, with expertise in materials science, biomechanical engineering, and shoe construction technologies

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer or footwear design specialist with advanced knowledge of material properties, energy transfer mechanisms, and adaptive shoe technologies, capable of understanding complex mechanical systems and material modifications

Obviousness Rationale

A person skilled in the art would recognize that the source patent's energy absorption system provides a fundamental framework for adaptable shoe technologies that can be readily modified for specific environmental and performance requirements. The disclosed variations represent predictable extensions of the core energy absorption and return principles established in the original patent. A PHOSITA would understand that material and design modifications are standard practice in footwear engineering to address specific use cases.

Obvious Combinations & Variations

Source Patent Element

Flexible legs and spring-based energy absorption system from original patent claims

PTD Variation

Specialized midsole material with increased oxygen permeability for high-altitude performance

Obviousness Reasoning

Modifying material properties to optimize performance in specific environments is a known technique in materials engineering, representing a predictable variation of the existing energy absorption system

Source Patent Element

Curved flexible legs and spring mechanisms for energy transfer

PTD Variation

Waterproof and buoyant midsole material for disaster relief footwear

Obviousness Reasoning

Adapting material composition to enhance functional characteristics is a standard design approach that would be obvious to a skilled practitioner seeking to extend the shoe's utility

Source Patent Element

Energy absorption system with multiple interconnected components

PTD Variation

Sensor-enabled midsole material with real-time performance analytics

Obviousness Reasoning

Integrating sensor technologies into existing mechanical systems is a predictable evolution in smart footwear design, representing an obvious technological extension

Source Patent Element

Spring-based energy return mechanisms

PTD Variation

Thermally-insulated midsole material for extreme weather conditions

Obviousness Reasoning

Modifying material properties to enhance environmental adaptability is a routine engineering solution that would be obvious to a person skilled in the art

Source Patent Element

Flexible leg and foot structures in original patent

PTD Variation

Secure fastening system with biometric authentication for high-security footwear

Obviousness Reasoning

Incorporating advanced authentication technologies into shoe design represents a predictable combination of known techniques in security and footwear engineering

35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857027 and the disclosed variations, a person having ordinary skill in the art would find the claimed shoe device modifications to be obvious extensions of existing energy absorption and return technologies. The systematic approach to material and design modifications represents predictable variations that do not rise to the level of non-obvious innovation, thus rendering potential claims in this domain anticipated by the prior art.

Original Patent Information

Patent Number	US 11,857,027
Title	Shoes, devices for shoes, and methods of using shoes
Assignee(s)	Athletic Propulsion Labs LLC