Enhanced Pan-antiallergy Vaccine Compositions and Methods

Publication ID: 24-11857623_0001_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Pan-antiallergy Vaccine Compositions and Methods,” Published Technical Disclosure No. 24-11857623_0001_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857623_0001_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. 11,857,623.

Summary of the Inventive Concept

The present inventive concept relates to improved vaccine compositions and methods for inducing immune tolerance, leveraging the original pan-antiallergy vaccine concept to provide enhanced immunogenicity, safety, and efficacy.

Background and Problem Solved

The original pan-antiallergy vaccine patent (reference) demonstrated a protein construct comprising a scaffold segment and a motif segment, which showed promise in treating allergies. However, the original construct had limitations in terms of immunogenicity and potential side effects. The present inventive concept addresses these limitations by introducing modifications to the scaffold segment, motif segment, and delivery systems to enhance immunogenicity, reduce IgE binding affinity, and improve safety profiles.

Detailed Description of the Inventive Concept

The enhanced vaccine composition comprises the modified protein construct of claim 1, wherein the scaffold segment is engineered to present the motif segment in a multimeric form, increasing immunogenicity. The composition further includes a Toll-like receptor agonist to stimulate immune response. Additionally, the inventive concept encompasses methods for inducing immune tolerance using the modified protein construct, wherein the motif segment is modified to reduce IgE binding affinity. The system for delivering the protein construct employs a nanoparticle-based carrier with a targeting moiety for specific delivery to immune cells. The kit for preparing the protein construct includes a scaffold protein, a motif segment, and instructions for inserting the motif segment into the scaffold protein.

Novelty and Inventive Step

The present inventive concept introduces several novel features that distinguish it from the original patent. Specifically, the modifications to the scaffold segment, motif segment, and delivery systems provide enhanced immunogenicity, safety, and efficacy. The use of Toll-like receptor agonists, nanoparticle-based carriers, and targeting moieties for specific delivery to immune cells are non-obvious improvements over the original patent.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept include the use of different scaffold proteins, motif segments, and delivery systems. For example, the scaffold protein could be derived from other bacterial sources, and the motif segment could be modified to target specific allergens. The delivery system could also be adapted for mucosal or transdermal delivery.

Potential Commercial Applications and Market

The enhanced pan-antiallergy vaccine compositions and methods have significant commercial potential in the allergy treatment market, which is projected to grow to $40 billion by 2025. The inventive concept addresses a critical need for safer and more effective allergy treatments, making it an attractive opportunity for pharmaceutical companies, biotech firms, and research institutions.

CPC Classifications

SectionClassGroup
A A61 A61K39/395
A A61 A61K2039/544
A A61 A61K2039/555

Field of Art

Immunology and vaccine development, specifically focused on protein engineering for immune tolerance and allergen modulation, requiring expertise in protein structure, immunological mechanisms, and computational protein design

Person of Ordinary Skill (PHOSITA) Profile

A skilled researcher with a PhD in immunology or bioengineering, experienced in protein modification techniques, computational modeling of protein interactions, and vaccine design, familiar with strategies for manipulating protein scaffolds and immune response modulation

Obviousness Rationale

A person skilled in the art would recognize that the PTD's modifications represent predictable extensions of the source patent's core protein construct technology. The proposed variations leverage standard protein engineering techniques to enhance immunogenicity and targeting, which are well-established approaches in vaccine development. The systematic modifications to scaffold presentation, immune cell targeting, and response stimulation would be considered routine optimization strategies by an ordinary practitioner in the field.

Obvious Combinations & Variations

Source Patent Element
Protein construct with scaffold segment and motif segment from extracellular adherence protein domain
PTD Variation
Modifying scaffold segment to present motif segment in multimeric form to enhance immunogenicity
Obviousness Reasoning
Multimeric protein presentation is a known technique for improving immune response, representing a predictable design choice for enhancing vaccine efficacy
Source Patent Element
Basic protein construct for immune modulation
PTD Variation
Adding Toll-like receptor agonist to stimulate immune response
Obviousness Reasoning
Incorporating immune adjuvants is a standard method for enhancing vaccine immunogenicity, representing a well-known approach in vaccine design
Source Patent Element
Protein construct with IgE motif segment
PTD Variation
Modifying motif segment to reduce IgE binding affinity
Obviousness Reasoning
Computational protein modification to alter binding characteristics is a routine technique in protein engineering, representing a predictable solution for improving vaccine safety
Source Patent Element
Basic protein construct delivery method
PTD Variation
Implementing nanoparticle-based carrier with targeting moiety for specific immune cell delivery
Obviousness Reasoning
Advanced drug delivery systems using targeted nanoparticles are well-established in the field, representing an obvious technological progression
Source Patent Element
Original protein construct design method
PTD Variation
Providing a kit with scaffold protein, motif segment, and insertion instructions
Obviousness Reasoning
Creating standardized kits for protein construct preparation is a common approach for facilitating reproducible research techniques
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857623 and the disclosed technical variations, a person having ordinary skill in the art would find the claimed protein construct modifications and delivery strategies obvious and anticipated. The systematic enhancements to immunogenicity, targeting, and immune response stimulation represent predictable extensions of the foundational protein engineering approach disclosed in the source patent, thereby rendering subsequent claims obvious under 35 U.S.C. ยง 103.

Original Patent Information

Patent NumberUS 11,857,623
TitlePan-antiallergy vaccine
Assignee(s)King Abdulaziz University