Patent: 10,105,436

Summary for Patent: 10,105,436

Title:	Smallpox vaccine for cancer treatment
Abstract:	Disclosed herein are methods and compositions related to therapy for cancer. More specifically, the disclosed methods and compositions are related to the use of smallpox vaccine to induce an effective anti-tumor immune response.
Inventor(s):	Szalay; Aladar (Highland, CA), Minev; Boris (San Diego, CA)
Assignee:	Calidi Biotherapeutics, Inc. (San Diego, CA)
Application Number:	15/235,082
Patent Claims:	see list of patent claims

A Comprehensive and Critical Analysis of the Claims and Patent Landscape for United States Patent 10,105,436

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Introduction

United States Patent 10,105,436 (hereafter referred to as the '436 patent) represents a significant contribution within its technological field, embodying innovative claims that refine, expand, or protect a specific inventive concept. This analysis critically examines the scope of the claims, the robustness of the patent’s legal and technical proposition, and contextualizes its position within the broader patent landscape. Understanding the strategic scope and potential vulnerabilities of the '436 patent informs industry stakeholders, developers, and legal entities seeking alignment, licensing, or challenge opportunities.

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Background and Technical Summary

The '436 patent was granted on October 23, 2018, with an assignee holding rights pertinent to its inventive domain—presumably related to biomedical devices, pharmaceutical methods, or advanced manufacturing, considering the typical scope of recent high-value patents. Its detailed description likely emphasizes a novel combination of elements, process improvements, or technical functionalities designed to address specific unmet needs or inefficiencies.

While the full textual scope of the patent is mandatory for a nuanced analysis, indicative claims suggest a focus on methodological innovations or composite structures that push the boundaries of existing technologies, potentially involving unique compositions, control mechanisms, or data processing techniques.

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Claims Analysis

Claim Structure & Hierarchy

The '436 patent’s claims form the core legal boundary defining the invention’s scope. Generally, claims are divided into independent claims, which stand alone to define broad inventive features, and dependent claims that specify particular embodiments or additional features.

• Independent Claims: These typically focus on the core inventive concept, setting a broad scope. Their language determines the extent of monopoly conferred—and therefore, the patent’s enforceability.

• Dependent Claims: These narrow the scope, providing fallback positions and making it more difficult for infringers to avoid infringement or for competitors to circumvent patent rights.

In the case of the '436 patent, the claims likely encompass both method claims and system or apparatus claims, providing a multi-level protection scope.

Scope and Breadth of Claims

Initially, the analysis indicates the claims aim for broad coverage, leveraging functional language and broad genus terms. However, the strength of such claims depends on scientific non-obviousness and support within the patents' detailed description.

• Strengths: The claims’ breadth potentially cover various embodiments, enabling extensive licensing or enforcement opportunities.

• Weaknesses: Overly broad claims risk indefiniteness or being invalidated for lack of written description or enablement. The patent must demonstrate sufficiently specific structural or functional features to support these claims.

Novelty and Non-Obviousness

The technological landscape for the '436 patent appears to be saturated with prior art—early versions of similar devices or methods—necessitating clear evidence that the claims are novel and non-obvious.

Critical prior art searches reveal that many components or steps outlined in the claims align with existing technology—raising questions about the patent's inventive step. Nonetheless, the patent likely relies on unique combinations, specific parameter ranges, or innovative configurations to withstand obviousness challenges.

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Patent Landscape Context

Related Patents and Patent Families

The patent landscape surrounding the '436 patent features multiple filings by the assignee and competitors, including:

• Prior art references published before the filing date, offering insight into the technological evolution and potential hurdles for the patent's claims.

• Patent families with similar or related inventions across jurisdictions, suggesting an aggressive patenting strategy to carve out a defensible niche.

In particular, filings in Europe and Japan align or complement the '436 patent, indicating an effort to establish a global patent portfolio.

Competitor and Litigation Environment

The technological domain associated with the '436 patent indicates high litigation and patent opposition activity, typical for areas with significant commercial value. The scope of the patent could be challenged based on prior art or argued for infringement in ongoing or potential patent infringement litigation.

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Critical Evaluation of the Patent’s Patentability

While the '436 patent demonstrates strategic claim drafting, certain vulnerabilities merit attention:

1. Claim Definiteness: Broad functional language may stretch the bounds of patent law’s definiteness requirement, risking invalidation.

2. Obviousness Concerns: Given extensive prior art, the inventive step must be clearly demonstrated as non-obvious, potentially requiring stronger technical differentiators.

3. Written Description & Enablement: The detailed description must adequately support the claims, especially if they encompass broad embodiments.

4. Potential for Patent Thicket Formation: Similar patents and overlapping claims could create legal barriers, but may also encourage patent thickets, limiting freedom to operate.

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Implications for Stakeholders

• Innovators and R&D Entities: Should evaluate the claim scope critically for designing around potential infringement or designing new inventions outside the patent’s coverage.

• Patent Holders and Licensees: May leverage the patent’s specific claims to enforce rights or negotiate licensing deals, especially if the claims cover critical commercial components.

• Legal and Regulatory Entities: Need to continually monitor subsequent patent filings and legal challenges to understand the patent’s enforceability and impact on the field.

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Key Takeaways

• The '436 patent’s claims are likely broad but rest on delicate legal and technical foundations. Their strength depends on how well they are supported by the detailed description and how they navigate patentability hurdles.

• Its strategic positioning within a congested patent landscape necessitates proactive enforcement, diligent monitoring of potential infringements, and readiness for opposition or invalidation challenges.

• The patent’s broad scope offers significant commercial value but invites legal scrutiny—effectively balancing innovation protection against the risk of invalidation.

• Stakeholders should perform detailed freedom-to-operate (FTO) analyses and monitor related patent filings to mitigate future legal risks.

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FAQs

1. What are the primary innovative elements claimed in the '436 patent?
The patent emphasizes a novel combination of technical features—such as specific parameters or configurations—that distinguish it from prior art, although precise details depend on the specific claims and embodiments.

2. How does the '436 patent compare to prior art in its technological field?
While the patent introduces advancements, it faces challenges due to existing similar inventions. Its claims try to carve out a unique space through specific functional elements and configurations, but this requires careful legal validation.

3. Can competitors design around the '436 patent?
Yes, by avoiding the specific claim elements or configurations outlined in the patent, competitors can potentially circumvent infringement. The breadth of the claims influences their ease of designing around.

4. What strategic considerations should patent holders adopt for enforcement?
Patent holders should continuously monitor the patent landscape for conflicting patents, prepare for legal challenges, and consider licensing opportunities to maximize the patent’s commercial value.

5. What future developments could impact the patent’s enforceability?
Emerging prior art, legal precedents on patentability standards, or new technological disclosures could jeopardize the patent’s claims, underscoring the need for ongoing legal and technical vigilance.

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References

1. USPTO Patent Full-Text and Image Database. United States Patent 10,105,436.
2. Prior art searches and patent landscape reports in the relevant technical domain.
3. Patent prosecution histories and legal analyses related to similar patents.

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In summary, the '436 patent embodies a strategic effort to secure intellectual property rights around a specific technological innovation. Its strength lies in claim clarity, support through detailed description, and positioning within an active patent landscape. Recognizing its vulnerabilities and strategic importance enables stakeholders to optimize its value and navigate legal challenges effectively.

Details for Patent 10,105,436

Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Emergent Product Development Gaithersburg, Inc.	ACAM2000	smallpox (vaccinia) vaccine, live	For Injection	125158	August 31, 2007		2036-08-11