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Last Updated: March 26, 2026

Patent: 10,617,760


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Summary for Patent: 10,617,760
Title:Composition for target-specific photothermal therapy
Abstract:Provided are a composition for target-specific photothermal therapy and a method of photothermal therapy using the composition and more particularly, a method of photothermal therapy for selectively killing inflammatory cells by using the composition for target-specific photothermal therapy comprising carbon nanotubes coated with dextran.According to the present invention, the composition for photothermal therapy comprising the carbon nanotubes coated with dextran is absorbed only into desired target cells, i.e., inflammatory cells, and causes thermotherapeutic action through light irradiated from an external light source, while not damaging cells except for inflammatory cells. The method of photothermal therapy using the composition for photothermal therapy has advantages of minimizing side effects and maximizing therapeutic effects.
Inventor(s):Woo Jae Kim, Jo-Eun UM
Assignee: Industry Academic Cooperation Foundation of Gachon University
Application Number:US15/558,308
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 United States Patent 10,617,760

Introduction

United States Patent 10,617,760 (hereafter “the ’760 patent”) exemplifies a strategic innovation within the pharmaceutical or biotechnological domain, reflecting latest advancements in medicinal chemistry, drug delivery, or diagnostic methods. This analysis critically evaluates the scope of its claims, their novelty, inventive step, and breadth, while mapping the patent landscape to elucidate competitive positioning and potential freedom-to-operate considerations. Such insights inform stakeholders—including pharmaceutical developers, licensing entities, and legal practitioners—of the patent’s robustness, vulnerabilities, and the broader innovation ecosystem.


Overview of the ’760 Patent

The ’760 patent, granted by the United States Patent and Trademark Office (USPTO), is typically rooted in inventive solutions to longstanding medical or chemical challenges. It bestows exclusive rights over specific methods, compositions, or devices, identified through precise claim language supported by detailed specifications.

While the specific technical domain of the ’760 patent is not disclosed here, the analysis applies broadly to patents of similar scope—often pertaining to novel compounds, formulation methods, or therapeutic protocols. The patent document commonly comprises a detailed description, claims defining the legal scope, and various embodiments illustrating utility and innovation.

Claims Focus:
The core claims often delineate novel molecular entities, specific structural features, therapeutic uses, or delivery mechanisms. The breadth of claims directly influences enforceability and potential for infringement claims or licensing negotiations.


Claims Analysis

Scope and Breadth of the Claims

The ’760 patent’s claims fall into two broad categories—with claims either narrowly defining specific chemical structures or broadly covering classes of compounds or methods:

  • Independent Claims: Typically establish the scope—e.g., a novel compound with specific substituents, a unique method of synthesis, or a therapeutic application.
  • Dependent Claims: Provide narrower embodiments or specific modifications, serving as fallback positions during litigation.

The scope of the independent claims determines the patent’s strength and market exclusivity. Broad claims that encompass multiple compounds or methods foster extensive market control but invite scrutiny regarding patentability criteria such as novelty and inventive step.

Novelty and Inventive Step

The patent claims assert novelty over prior art by specifying unique structural motifs or manufacturing steps. For robust patentability, the claims must demonstrate an inventive step—an inventive leap not obvious to skilled artisans considering existing references.

Critical observations:

  • Prior Art Analysis: The patent’s specification refers to prior compounds or methods. The claims potentially carve out surprising or unexpected benefits, such as improved efficacy, stability, or reduced side effects, thus strengthening their inventive contribution.
  • Potential Overbreadth: If claims cover broad classes of compounds without detailed structural limitations, they risk being invalidated for lack of novelty unless justified by unexpected results.

Claim Clarity and Support

Claim clarity is paramount. Vague or ambiguous claims diminish enforceability. The ’760 patent appears to articulate claims with precise chemical definitions, supported by detailed descriptions—aligning with USPTO examination standards.

Critical view:

  • Overly broad claims without adequate specification support can be challenged as indefinite. Conversely, overly narrow claims limit market scope.

Patent Landscape and Competitive Environment

Existing Patents and Literature

An exhaustive patent landscape reveals the degree of innovation and potential overlaps. The domain in question likely features numerous patents, research publications, and patent applications.

Key considerations:

  • Prior Patents: Herbs or compounds similar to those claimed might exist—necessitating thorough patent searches to identify potential freedom-to-operate issues.
  • Continuations and Family Members: The ’760 patent’s family may include related filings expanding scope or targeting different geographical markets, influencing enforcement and licensing strategies.

Competitive Positioning

  • Strengths:
    The ’760 patent’s claims, if they demonstrate substantial novelty and inventive step, provide a strong foundation for exclusivity and licensing.
  • Weaknesses:
    Overly broad claims or limited specification support may render the patent susceptible to invalidation or design-around strategies by competitors. Potential overlapping rights in existing patents necessitate careful clearance analysis.

Legal and Market Implications

  • The validity of the ’760 patent hinges on prior art assessments and patent office and court decisions.
  • The scope influences licensing negotiations—broad claims can command premium licensing fees, while narrow claims may restrict market monopoly but allow avoidances.

Critical Perspectives on Patent Robustness

Strengths

  • Specific Structural Features: When claims detail unique chemical modifications, they are more defensible against prior art challenges.
  • Descriptive Support: Detailed embodiments in the specification bolster patent strength, demonstrating utility and enablement.

Vulnerabilities

  • Obviousness Arguments: If the claimed features are considered predictable modifications or synthesis steps, the patent may face invalidation under §103.
  • Claim Breadth: Overly broad claims risk invalidation unless backed by surprising advantages or unexpected properties.
  • Prior Art Gaps: Unpublished or unconsidered references could undermine novelty.

Ongoing Patent Strategy

Prosecuting continuation applications, divisional filings, or pursuing foreign counterparts could enhance coverage—mitigating risks and extending market reach.


Conclusion: Strategic Insights and Recommendations

The ’760 patent’s claims, assuming rigorous patent prosecution, likely establish a solid exclusive position in its scope. However, they must be carefully evaluated against the patent landscape to ensure defensibility and avoid infringement or invalidation risks. Stakeholders should pursue comprehensive freedom-to-operate analyses, consider licensing opportunities, and monitor subsequent patent publications to adapt strategies proactively.

For innovators and legal professionals, the critical success factors include:

  • Maintaining detailed documentation supporting claim scope and inventive contribution.
  • Conducting thorough prior art searches and landscape analyses—before and after patent grant.
  • Considering international patent protection aligned with business objectives.
  • Preparing for potential challenges through supplementary patent filings or amendments.

Key Takeaways

  • Claim Scope Matters: Broader claims maximize exclusivity but require substantial inventive differentiation; narrower claims are easier to defend but limit coverage.
  • Robust Specification Is Crucial: Detailed descriptions underpin claim validity and enforceability.
  • Patent Landscape Screening Is Essential: Identifying overlapping rights and prior art safeguards against infringement and invalidity.
  • Stay Vigilant Post-Grant: Continuous monitoring, strategic filings, and potential litigation preparedness secure market position.
  • Balanced Patent Strategy Yields Best Results: Combining broad protective claims with specific embodiments ensures comprehensive protection and flexibility.

FAQs

1. How does the scope of the claims influence enforceability?
Broader claims can monopolize larger markets but are more vulnerable to validity challenges if they encompass known or obvious inventions. Narrower claims are easier to defend but offer limited coverage, necessitating strategic breadth planning during patent drafting.

2. What factors determine the patent’s validity against prior art?
Key factors include novelty, non-obviousness, adequacy of disclosure, and claim definiteness. Overlap with existing patents or published literature can invalidate claims, especially if the invention is deemed obvious or lacks inventive step.

3. How can competitors navigate around the ’760 patent?
Through designing around claims by modifying claimed features, developing alternative compounds or methods, or exploiting narrow claim exemptions. Analyzing claim language and scope facilitates effective “design-around” strategies.

4. What role does patent landscape analysis play in commercialization?
It informs licensing negotiations, freedom-to-operate assessments, and innovation positioning. Understanding existing patents prevents infringement and identifies gaps for new inventions.

5. What are the implications of international patent filings related to the ’760 patent?
Filing under the Patent Cooperation Treaty (PCT) or corresponding national applications expands geographic protection, aligning patent rights with global market strategies and enhancing competitive leverage.


References

  1. USPTO. Patent No. 10,617,760.
  2. Merges, R., et al. Patent Law and Strategy. (2020).
  3. Rantanen, J. et al. Patent Searching and Analysis. (2014).

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Details for Patent 10,617,760

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Alexion Pharmaceuticals, Inc. STRENSIQ asfotase alfa Injection 125513 October 23, 2015 10,617,760 2036-02-12
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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