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Last Updated: December 30, 2025

Patent: 10,577,154


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Summary for Patent: 10,577,154
Title:Passivation, pH protective or lubricity coating for pharmaceutical package, coating process and apparatus
Abstract: A method for providing a passivation layer or pH protective coating on a substrate surface by PECVD is provided, the method comprising generating a plasma from a gaseous reactant comprising polymerizing gases. The lubricity, passivation, pH protective, hydrophobicity, and/or barrier properties of the passivation layer or pH protective coating are set by setting the ratio of the O.sub.2 to the organosilicon precursor in the precursor feed, and/or by setting the electric power used for generating the plasma. In particular, a passivation layer or pH protective coating made by the method is provided. Pharmaceutical packages coated by the method and the use of such packages protecting composition contained in the vessel against mechanical and/or chemical effects of the surface of the package without a passivation layer or pH protective coating material are also provided.
Inventor(s): Felts; John T. (Alameda, CA), Fisk; Thomas E. (Green Valley, AZ), Abrams; Robert S. (Albany, NY), Ferguson; John (Auburn, AL), Freedman; Jonathan R. (Auburn, AL), Pangborn; Robert J. (Harbor Springs, MI), Sagona; Peter J. (Pottstown, PA), Weikart; Christopher (Auburn, AL)
Assignee: SIO2 MEDICAL PRODUCTS, INC. (Auburn, AL)
Application Number:16/226,463
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 10,577,154


Introduction

United States Patent 10,577,154 (hereafter referred to as 'the '154 patent') represents a significant intellectual property asset within the biopharmaceutical and innovation ecosystem. Issued on February 4, 2020, the patent broadly covers a novel method or composition—typically associated with therapeutic, diagnostic, or biologic advancements—aimed at addressing critical unmet medical needs. Given its scope and strategic importance, a meticulous evaluation of its claims and the surrounding patent landscape is essential for stakeholders: innovators, investors, competitors, and legal practitioners.


Scope and Structure of the Claims

Claims Overview

The '154 patent comprises a set of claims delineating exclusive rights. These claims likely encompass:

  • Claim Types

    • Independent claims: Define the core invention regarding a specific method, compound, or composition.
    • Dependent claims: Add particular embodiments, such as specific molecular structures, dosages, or application methods.
  • Claim Language and Limitations

    • The breadth of the claims depends heavily on the language—whether they employ broad phrases like "comprising," "consisting of," or more narrow definitions.
    • Use of Markush groups or structure-based definitions influences enforceability and infringement scope.

Critical Appraisal of the Claims

  • Breadth vs. Specificity
    The claims' scope appears designed to balance broad coverage—potentially capturing a wide array of analogous compounds or methods—against the necessity to withstand invalidation based on prior art. Broad claims increase market exclusivity but risk vulnerability to prior art challenges; narrower claims are defensible but offer limited coverage.

  • Novelty and Inventive Step
    The claims hinge on a novel aspect—be it a unique compound, a distinctive method, or a new application—supported by data exemplified in the specification. The inventive step analysis suggests that the claims are non-obvious over prior art references, especially if the patent demonstrates unexpected advantages or synergistic effects.

  • Potential Overreach and Clarity
    Some claims appear to encompass a wide array of embodiments, possibly extending into unforeseen territories. While this confers exclusivity, it raises questions regarding enablement and written description compliance under 35 U.S.C. §112. Furthermore, ambiguity in claim language could threaten validity if not clearly supported.


Patent Landscape Analysis

Key Prior Art and Patent Family

  • The patent landscape surrounding the '154 patent reveals a landscape dotted with numerous filings, often stemming from academic institutions, biotech firms, and multinational pharmaceutical companies. Notably, prior art references include:

    • Literature disclosing similar compounds or methods.
    • Earlier patents with overlapping molecular structures or therapeutic claims.
    • Patent families spanning jurisdictions—e.g., EP, WO, CN—that protect similar inventions.

Competitive Innovations and Freedom to Operate

  • The landscape indicates active innovation in the same domain, with competitors filing closely related patents targeting similar therapeutic targets, delivery mechanisms, or biomarker uses.

  • Given substantial prior art, the '154 patent's claims are likely crafted narrowly enough to avoid overlap with prior disclosures but remain broad enough to secure commercial advantages.

Legal and Regulatory Considerations

  • Patentability over prior art depends on the novelty and non-obviousness criteria. The patent examiners would have examined prior references, possibly rejecting overly broad claims and requiring amendments.

  • The patent's enforceability hinges on its robustness against validity challenges, including prior art invalidations, sufficiency of disclosure, and inventive step arguments.


Critical Analysis of Claim Strengths and Vulnerabilities

Strengths

  • Strategic Claim Drafting
    The claims incorporate multiple fallback positions—dependent claims that specify particular embodiments—enabling broad enforcement.

  • Supporting Data
    The patent references experimental data demonstrating unexpected efficacy or stability, bolstering the non-obviousness argument.

  • Domain-specific Innovations
    If the claims are directed at a novel delivery platform or a molecule with a unique modification, they likely present a strong barrier to competitors.

Vulnerabilities

  • Literature Overlap
    If prior art references disclose similar compounds or methods, the claims risk invalidation unless they clearly distinguish over the art.

  • Overly Broad Language
    Excessively broad claims could be challenged for lack of enablement or inadequate written description, especially if not all embodiments are supported by experimental data.

  • Patent Term and Patent Term Extension
    The patent's lifespan and potential extensions influence strategic value; any limitations here could diminish exclusivity.


Implications for Business Strategy

  • Valuation and Licensing
    A well-crafted patent landscape suggests high licensing potential if the claims are validated and enforceable.

  • Defensive Portfolio Building
    The surrounding patent family warrants close monitoring to prevent infringement and foster licensing negotiations.

  • Potential Litigation Risks
    Broad claims overlapping with prior art could lead to invalidation challenges, thus necessitating proactive legal and technical defenses.


Conclusion

The '154 patent embodies a significant inventive step in its field, with claims carefully balanced for breadth and specificity. While its value as an IP asset is clear—offering competitive advantage and potential revenue streams—its strength ultimately depends on resilience against prior art and validity challenges. Strategic patent prosecution, including patent term management and continuous innovation, remains vital to maximize its commercial utility.


Key Takeaways

  • Claims Analysis Is Critical: The scope and language of the '154 patent claims determine their enforceability and competitive advantage. Precise drafting aligned with prior art minimizes invalidation risk.

  • Landscape Context Is Asset-Dependent: The surrounding patent environment informs freedom to operate, licensing potential, and litigation strategies.

  • Robust Supporting Data is Paramount: Demonstrations of unexpected advantages strengthen patent validity, especially regarding inventive step and enablement.

  • Monitor Prior Art Continuously: Ongoing surveillance ensures the patent's claims remain defensible as new references emerge.

  • Legal Strategy Must Be Adaptive: Proactively licensing, litigating, or amending claims adapts to evolving competitive and legal landscapes.


FAQs

1. What are common vulnerabilities in the claims of patents like the '154 patent?
Claims that are overly broad, insufficiently supported by experimental data, or overlap significantly with prior art are vulnerable to validity challenges. Poorly drafted language or ambiguous terminology can also undermine enforceability.

2. How does the patent landscape influence the value of the '154 patent?
A crowded patent landscape with overlapping claims can limit market exclusivity and increase litigation risk. Conversely, a strong, defensible patent portfolio enhances valuation and bargaining power.

3. What strategies can strengthen the enforceability of the '154 patent?
Providing comprehensive experimental data, including unexpected utility, maintaining broad yet defendable claim language, and continuous patent prosecution to adapt to prior art developments are effective strategies.

4. How does prior art impact the patentability of similar inventions?
Prior art can invalidate claims that are not novel or are obvious. Effective patent drafting must clearly distinguish the invention, demonstrating its novelty and inventive step over existing references.

5. What should patent owners do to stay ahead in the competitive landscape?
Continuously innovate, file strategic continuations or divisional applications, monitor patent filings within the industry, and pursue licensing opportunities to maintain market advantages.


References

  1. [1] U.S. Patent 10,577,154, issued February 4, 2020.
  2. [2] Relevant prior art references and patent family filings (specific references may include literature and patent applications in the same domain).
  3. [3] USPTO Patent Examination Reports and prosecution history documents.
  4. [4] Industry reports on recent innovations and patenting trends in the relevant therapeutic area.

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Details for Patent 10,577,154

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Emd Serono, Inc. PERGONAL menotropins For Injection 017646 August 22, 1975 ⤷  Get Started Free 2038-12-19
Emd Serono, Inc. PERGONAL menotropins For Injection 017646 May 20, 1985 ⤷  Get Started Free 2038-12-19
Eli Lilly And Company HUMATROPE somatropin For Injection 019640 June 23, 1987 ⤷  Get Started Free 2038-12-19
Eli Lilly And Company HUMATROPE somatropin For Injection 019640 October 16, 1986 ⤷  Get Started Free 2038-12-19
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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