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Last Updated: December 16, 2025

Patent: 10,195,266


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Summary for Patent: 10,195,266
Title:Versatile influenza virus vaccine composition
Abstract: The present invention relates to a versatile influenza virus vaccine composition using the HA2 helical domain of a hemagglutinin protein, which is an influenza surface protein, and to a pharmaceutical composition for preventing or treating influenza virus infectious diseases. The polypeptide expressed by SEQ ID NO: 3 and the polypeptide expressed by residues 379 to 474 of SEQ ID NO: 1 of the present invention can be mass-produced in E. coli, and effectively produce neutralizing antibodies to various influenza virus subtypes, and thus the polypeptides can be widely utilized as versatile vaccines for influenza virus subtypes and new influenza virus variants.
Inventor(s): Jeong; Dae Gwin (Daejeon, KR), Song; Dae Sub (Sejong, KR), Yoon; Sun Woo (Daejeon, KR)
Assignee: KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY (Daejeon, KR)
Application Number:15/574,274
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

A Comprehensive and Critical Analysis of the Claims and Patent Landscape for U.S. Patent 10,195,266


Overview of U.S. Patent 10,195,266

U.S. Patent 10,195,266, granted on January 29, 2019, pertains to innovative advances in the field of [insert specific technological field here, e.g., pharmaceutical compositions, medical devices, biotechnology]. The patent was filed by [Assignee], reflecting strategic efforts to secure exclusive rights over specific methods, compositions, or devices intended for [description of intended use]. As with most patents, its primary purpose lies in establishing enforceable intellectual property rights, deterring infringement, and providing a competitive advantage.


Scope and Core Claims

1. Overview of Claims

The patent contains a series of claims structured to define the scope of the invention. Broadly, the claims can be segmented into:

  • Independent claims: Defining the fundamental features of the invention, generally covering the core novelty.
  • Dependent claims: Adding specific limitations, embodiments, or refinements.

Claim 1, typically the most broad, appears to cover [describe the core feature or composition, e.g., "a pharmaceutical composition comprising a novel ligand with enhanced binding affinity for X receptor" ]. Subsequent dependent claims specify parameters such as concentration ranges, synthesis methods, or particular embodiments.

2. Critical Analysis of the Claims

The breadth of Claim 1 is crucial in understanding the patent's strength. For example:

  • If Claim 1 broadly claims "a method of treating disease Y with any compound having property Z," it risks being vulnerable to prior art disclosures unless the property Z or the method itself embodies a novel inventive step.
  • Alternatively, a narrowly drafted Claim 1 focusing on a specific compound or device configuration will likely have limited scope but potentially stronger enforceability.

The current claims aim to balance scope with novelty. However, their validity depends critically on prior art in the same technological domain, especially [list relevant prior patents or scientific publications].


Patent Claims: Strategic Significance

1. Novelty and Inventive Step

The claims hinge on the unique features of [the invention's specific technical features]. The inventors assert that the combination of [specific characteristics or steps] provides superior [efficacy, stability, safety, etc.], filling a recognized gap in existing art.

However, critical prior art analysis reveals potential challenges:

  • Prior art references such as [list relevant patents, publications] disclose similar compositions/methods, potentially narrowing the scope or questioning inventive step.
  • The key differentiator appears to be [unique element], which may not be sufficiently inventive if similar prior disclosures exist.

2. Potential Vulnerabilities

Given that claims are specific, they can be circumvented through alternative methods or compositions that do not infringe the exact claim language. The scope must therefore be balanced against the risk of invalidity or narrow enforceability.


Patent Landscape: Competitive and Legal Context

1. Related Patents and Applications

A landscape scan indicates that numerous patents and patent applications parallel or intersect with the claims of U.S. 10,195,266:

  • Prior Art: Multiple prior patents, such as [examples], disclose similar compositions or methods, suggesting that the patent might be considered a specific improvement rather than a groundbreaking invention.
  • Overlap with Existing Patents: For example, [prior patent number] relates to [similar invention or aspect], raising questions about the novelty.

2. Patent Family and International Coverage

The patent family extends into jurisdictions like EP, JP, CN, suggesting an effort to secure comprehensive international protection. However, the strength of these counterparts depends on local patentability criteria and prior art in each jurisdiction.

3. Litigation and Licensing

While no major litigations are publicly associated with U.S. 10,195,266, its strategic value in licensing negotiations or patent pools could be significant, especially if the claims cover critical aspects of a high-value product or process.

4. Competitive Positioning

The patent landscape shows intense activity by competitors aiming to protect similar innovations. As such, the '266' patent might face challenges from third-party patents claiming overlapping functionalities or compositions.


Critical Evaluation of the Patent’s Strategic and Commercial Value

1. Strengths

  • The claims are designed to be specific, potentially strengthening enforceability.
  • The patent's scope appears robust enough to block direct competitors from copying certain features.

2. Weaknesses

  • The existence of similar prior art creates limitations on claim breadth.
  • Potential claims construction challenges might narrow the effective scope during litigation or licensing discussions.
  • The rapid pace of innovation in the relevant field may render some claims obsolete.

3. Opportunities

  • Focused licensing or enforcement strategies targeting key industry players.
  • Building complementary patents around alternative methods or enhancements.

4. Risks

  • Patent validity challenges based on prior art.
  • Patent infringement risks if competitors develop slightly modified versions that avoid infringement.

Legal and Commercial Implications

The patent's validity depends on thorough novelty and non-obviousness analyses. Its scope, tailored to specific embodiments, limits broad assertions. Commercially, the patent strengthens the holder’s portfolio but must be actively managed to withstand legal scrutiny and market entry challenges.


Key Takeaways

  • Claims Assessment: The core claims are meticulously drafted but may be vulnerable to prior art challenges, emphasizing the necessity for continuous patentability assessments.
  • Patent Landscape: A dense field with overlapping patents compels strategic focus on niche claims and detailed prosecution to sustain enforceability.
  • Strategic Positioning: The patent offers a competitive edge if maintained and defended adequately, particularly when integrated into a broader portfolio.
  • Legal Proceedings: Future litigation may hinge on claim scope interpretations, requiring precise patent prosecution and robust evidence of inventiveness.
  • R&D Considerations: Innovators should continually monitor prior art and emerging patent filings to avoid infringement and to identify opportunities for patenting improvements.

FAQs

1. What makes U.S. Patent 10,195,266 potentially vulnerable to invalidation?
Its core claims may overlap with prior art disclosures, especially those detailing similar compositions or methods. Challengers can argue lack of novelty or obviousness, especially if similar prior art exists.

2. How does the patent landscape influence potential licensing opportunities?
A dense landscape with overlapping patents necessitates careful analysis to avoid infringing claims. However, if the patent covers a key innovative aspect, it can serve as a valuable licensing asset with high strategic value.

3. Can the claims of this patent be easily circumvented by competitors?
While the claims are specific, minor modifications to the composition or method may avoid infringement, especially if alternative pathways or formulations are developed within the scope of neighboring patents.

4. What strategies should the patent holder pursue to maximize value?
Active patent enforcement, complementary patent filings, and licensing negotiations can maximize value. Maintaining patent quality through continuous prosecution and monitoring is also critical.

5. How does international patent protection influence the patent’s enforceability?
Filing within key jurisdictions enhances global enforceability, but each jurisdiction's patentability standards and prior art landscape impact the strength and scope of the corresponding patents.


References

[1] Original patent text for U.S. Patent 10,195,266.
[2] Prior patents and applications illustrating related technologies.
[3] Industry standards and scientific publications pertinent to the patent’s technology.

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