Adaptive Midsole Tech: Revolutionary Footwear Innovation

Publication ID: 24-11857024_0005_PTD

Published: October 27, 2025

Category:Future Evolutions & Paradigm Shifts

Legal Citation

pr1or.art Inc., “Adaptive Midsole Tech: Revolutionary Footwear Innovation,” Published Technical Disclosure No. 24-11857024_0005_PTD, Published October 27, 2025, available at https://archive.pr1or.art/24-11857024_0005_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. 11,857,024.

Background and Problem Solved

The original patent for composite foam for midsoles addressed the need for high-performance footwear. However, the current technology has limitations in terms of adaptability, durability, and sustainability. This new invention addresses these limitations by introducing a paradigm shift in midsole design, enabling real-time responsiveness to user needs and environmental conditions.

Novelty and Inventive Step

The new claims introduce a novel combination of advanced materials, sensors, and adaptive technologies that overcome the limitations of the original patent. The self-healing, customized, and energy-harvesting features of the new invention represent a significant departure from the state of the art, providing a unique solution for the footwear industry.

Alternative Embodiments and Variations

Alternative embodiments of the invention could include the use of different types of sensors, controllers, and energy harvesting materials. Variations of the invention could also include the application of the adaptive midsole technology to other industries, such as orthotics, prosthetics, or athletic equipment.

Potential Commercial Applications and Market

The adaptive midsole technology has vast commercial potential in the footwear industry, with potential applications in high-performance athletic shoes, outdoor gear, and everyday footwear. The technology could also be licensed to other industries, providing a significant revenue stream. The market for adaptive footwear is expected to grow exponentially, driven by consumer demand for sustainable and high-performance products.

CPC Classifications

Section	Class	Group
A	A43	A43B13/026
A	A43	A43B13/04
C	C08	C08J9/0061
C	C08	C08L75/04
C	C08	C08J2367/02
C	C08	C08J2375/04
C	C08	C08J2377/00
C	C08	C08J2467/02
C	C08	C08J2475/04
C	C08	C08J2477/00

Section 103 Obviousness Analysis (PHOSITA)

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Field of Art

Footwear materials engineering, specifically composite foam technologies for athletic shoe midsoles, involving polymer chemistry, materials science, and advanced manufacturing techniques

Person of Ordinary Skill (PHOSITA) Profile

A materials engineer or footwear design professional with expertise in polymer composites, thermoplastic elastomers, and advanced manufacturing techniques, holding at least a bachelor's degree in materials science, chemical engineering, or related field with 3-5 years of industry experience

Obviousness Rationale

A person of ordinary skill would recognize that the PTD's variations represent predictable extensions of the source patent's composite foam technology, leveraging known materials science techniques to enhance midsole performance through incremental improvements in material composition, sensing capabilities, and adaptive properties.

Obvious Combinations & Variations

Source Patent Element

Pelletized expanded thermoplastic elastomer mixed within a polyurethane matrix

PTD Variation

Graphene-reinforced polyurethane matrix with shape-memory alloy particles

Obviousness Reasoning

Modifying polymer matrices with reinforcing materials like graphene is a known technique for improving mechanical properties, and incorporating shape-memory particles represents a predictable enhancement of the base composite foam technology

Source Patent Element

Spheroid pelletized elastomer with specific dimensional ranges

PTD Variation

Microcapsules containing self-healing thermoplastic elastomer

Obviousness Reasoning

Introducing microcapsule-based repair mechanisms is a logical extension of existing materials science approaches to improving material durability and performance

Source Patent Element

Composite foam for midsole applications

PTD Variation

3D-printed customized midsole with adaptive stiffness based on foot scanning

Obviousness Reasoning

Customization through digital scanning and additive manufacturing represents a predictable progression of materials engineering techniques for personalized performance footwear

Source Patent Element

Thermoplastic elastomer composite foam

PTD Variation

Embedded piezoelectric energy harvesting system within midsole composite

Obviousness Reasoning

Integrating energy harvesting technologies into structural materials is a known approach in materials engineering, representing an obvious combination of existing techniques

Source Patent Element

Composite foam with multiple polymer types

PTD Variation

Sensor-embedded midsole with real-time stiffness and cushioning adjustment

Obviousness Reasoning

Incorporating sensing and adaptive technologies into material systems is a predictable evolution of advanced composite material design

35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857024 and the disclosed variations, a person of ordinary skill in the art would find the claimed midsole innovations obvious, as they represent predictable combinations of known materials science techniques, sensor technologies, and manufacturing methods within the established technological landscape of performance footwear composite materials.

Original Patent Information

Patent Number	US 11,857,024
Title	Composite foam for midsole
Assignee(s)	Columbia Sportswear North America, Inc.