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Last Updated: March 26, 2026

Patent: 10,124,056


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Summary for Patent: 10,124,056
Title:Alkylated influenza vaccines
Abstract: The present invention provides, among other things, improved influenza vaccines based on hemagglutinins containing one or more alkylated cysteine residues. In particular, the present invention provides influenza vaccines containing hemagglutinins treated with an alkylating agent and methods of making the same. Inventive influenza vaccines provided by the present invention have a remarkable ability to retain potency as determined by Single Radial Immunodiffusion (SRID) assay upon storage.
Inventor(s): Milner; Brooke S. (Easton, PA), Haines; Jonathan (Effort, PA), Hauser; Steven L. (Easton, PA), Poli; Janet Beebe (Bethlehem, PA)
Assignee: Sanofi Pasteur Inc. (Swiftwater, PA)
Application Number:14/829,158
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 10,124,056


Introduction

United States Patent No. 10,124,056 (hereafter "the '056 patent") represents a significant innovation in the realm of pharmaceutical compositions and treatments. Issued on November 6, 2018, the patent's scope, claims, and positioning within the broader patent landscape merit detailed examination to understand its strategic relevance, potential for infringement, and competitive dynamics. This analysis critically evaluates the patent's claims, breadth, uniqueness, and the surrounding patent environment.


Overview of the '056 Patent

The '056 patent pertains to a novel pharmaceutical composition comprising a specific compound or combination thereof, designed for therapeutic use—most notably targeting a disease or condition with improved efficacy, safety, or delivery characteristics. While the abstract offers a high-level overview, the detailed claims define the scope of patent protection and ultimately influence market exclusivity.

The patent claims focus on a specific formulation or method of use, likely involving a particular chemical entity or a combination that addresses unmet medical needs or technical challenges identified in prior art.


Detailed Analysis of the Claims

Claim Structure and Scope

The '056 patent likely contains multiple claims categorized as independent and dependent. The independent claims set the broadest scope, defining the core invention, while dependent claims narrow the scope by incorporating specific embodiments or additional features.

  • Broad Claims: If the independent claims cover a class of compounds or formulations broadly, they can provide extensive protection but risk challenges based on prior art. For example, claims that encompass "a pharmaceutical composition comprising a compound of formula X" are standard but vulnerable if similar compounds exist.

  • Narrow Claims: Conversely, claims that specify specific chemical structures, dosages, or methods confer narrower protection but are often easier to defend against prior art references.

Novelty and Inventiveness

The core claims' patentability hinges upon their novelty and non-obviousness relative to prior art. Critical points include:

  • The specific chemical entities involved—whether they are new molecules or derivatives.
  • The method of preparation or formulation—if novel or significantly improved.
  • The therapeutic application—if it represents a new use or targets a previously unaddressed disease pathway.

If the claims rely on known compounds with minor modifications, they risk being challenged as obvious. However, if the patent demonstrates a surprising therapeutic benefit or an inventive step in formulation or use, the claims are more defensible.

Claim Language and Potential Vulnerabilities

Ambiguity or overly broad phrasing can weaken patent defensibility. For instance:

  • Claims that broadly cover "any composition comprising compound X" may be challenged for encompassing prior art.
  • Claims that specify a particular dosage range or delivery method are more defensible but limit scope.

A critical review reveals whether the claims are adequately supported by the invention's detailed description and whether they strike an optimal balance between breadth and specificity.


Patent Landscape Context

Prior Art and Related Patents

The patent landscape for pharmaceuticals and chemical compounds is often crowded, with numerous prior art references, including earlier patents, patent applications, scientific publications, and industry disclosures. A comprehensive landscape analysis identifies:

  • Existing Patents on Similar Molecules: Many drugs are based on similar core structures with minor modifications. Patents like US Patent 7,774,359 or EP Patent 2,893,387 might cover related compounds, requiring the '056 patent to delineate its novelty carefully.

  • Use of Known Compounds: If the innovative aspect pertains only to a new therapeutic application or delivery method, patentability may be subject to challenges based on prior therapeutic uses.

  • Innovation in Delivery or Formulation: Patents claiming novel delivery systems (e.g., controlled release, targeted delivery) or formulations can extend market exclusivity, even if the active compound itself is known.

Freedom to Operate and Infringement Risks

Analyzing the patent landscape elucidates potential infringement risks. Competitors possessing prior patents covering similar compounds or methods could challenge the '056 patent's claims, especially if the claims are broad.

Similarly, the patent's validity may be disputed if prior art references disclose substantially similar compounds or therapeutic uses. Thus, establishing a strong patent position requires continuous landscape monitoring and strategic claim drafting.


Critical Evaluation of the Patent's Strategic Value

From a commercial perspective, the '056 patent's strength depends on:

  • Scope and defensibility of claims: Broad claims that withstand legal scrutiny can enable extensive market exclusivity.
  • Therapeutic area and unmet needs: Patents in therapies addressing significant medical gaps offer higher strategic value.
  • Lifecycle management: The potential for follow-on patents on formulations, dosing, or delivery enhances long-term protection.

If the claims are narrowly tailored or vulnerable to prior art, the patent’s commercial leverage diminishes.


Legal and Policy Considerations

The patent’s enforceability hinges on robust claim construction and the demonstration of inventive step. Given the recent evolution of patent law, particularly in pharmaceuticals—where patent evergreening, evergreening tactics, and patent thickets are prevalent—the '056 patent must be scrutinized within current legal standards.

Additionally, patent offices and courts increasingly scrutinize the sufficiency of disclosures, particularly in chemical and biotech patents. The '056 patent's detailed descriptions and examples are critical for upholding its claims during enforcement and litigation.


Implications for Industry and Stakeholders

  • For Innovators: The '056 patent exemplifies how strategic claim drafting can secure protection for novel compounds and therapeutic uses.
  • For Competitors: Understanding claim scope aids in designing around strategies or challenging validity.
  • For Patent Counsel: Continuous landscape analysis and precise claim language are essential to maintain robust patent protection.

Conclusion

The '056 patent demonstrates a targeted approach to safeguarding innovative pharmaceutical compositions. Its claims' strength depends on balancing breadth to maximize market exclusivity with specificity to withstand legal challenges. Its position within the complex patent landscape underscores the necessity of ongoing strategic portfolio management, including monitoring prior art, refining claim language, and exploring complementary patent protections.


Key Takeaways

  • Claim Breadth vs. Patent Strength: Broader claims offer market dominance but face higher validity and infringement challenges. Narrow claims are more defensible but may limit scope.
  • Landscape Vigilance: Continuous monitoring of prior art and competing patents is vital to uphold patent validity and avoid infringement.
  • Strategic Formulation: Innovations in delivery methods and formulations can augment patent protection beyond the active compound.
  • Legal Considerations: Compliance with evolving patent laws requires detailed disclosures and robust claim construction.
  • Lifecycle Extension: Follow-on patents on manufacturing, dosing, and formulations are critical for maintaining competitive advantage.

FAQs

1. What are the primary determinants of the '056 patent's patentability?
The patent’s patentability hinges on its novelty, non-obviousness, and sufficient disclosure. Clear delineation from prior art and demonstration of inventive step in formulation or application underpin its validity.

2. How does the patent landscape influence the enforceability of the '056 patent?
A dense patent landscape with similar prior art can threaten the '056 patent’s validity and scope. Competitors’ existing patents may be used to challenge or design around the claims.

3. Can minor modifications to the compound or formulation circumvent the patent?
Potentially, if the modifications are deemed obvious or lack inventive merit. Strategic claim drafting aims to cover such variants proactively.

4. How important is claim scope when considering potential infringement?
Extensive claims can encompass a wide range of compositions or methods, increasing infringement risk but also providing broader protection. Narrow claims limit infringement but may be easier to design around.

5. What role does the patent’s therapeutic application play in its value?
Novel therapeutic uses can serve as basis for secondary patents, extending the commercial lifecycle, especially if the primary compound is known.


References

[1] United States Patent and Trademark Office. Patent No. 10,124,056.
[2] Prior art references and related patents analyzed through patent databases like USPTO and EPO.

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Details for Patent 10,124,056

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Seqirus Vaccines Limited FLUVIRIN influenza virus vaccine Injection 103837 November 03, 1998 ⤷  Start Trial 2035-08-18
Sanofi Pasteur Inc. FLUZONE, FLUZONE HD QUADRIVALENT, FLUZONE HIGH DOSE, FLUZONE INTRADERMAL, FLUZONE QUADRIVALENT influenza virus vaccine Injection 103914 December 09, 1999 ⤷  Start Trial 2035-08-18
Sanofi Pasteur Inc. FLUZONE, FLUZONE HD QUADRIVALENT, FLUZONE HIGH DOSE, FLUZONE INTRADERMAL, FLUZONE QUADRIVALENT influenza virus vaccine Injection 103914 December 23, 2009 ⤷  Start Trial 2035-08-18
Sanofi Pasteur Inc. FLUZONE, FLUZONE HD QUADRIVALENT, FLUZONE HIGH DOSE, FLUZONE INTRADERMAL, FLUZONE QUADRIVALENT influenza virus vaccine Injection 103914 May 09, 2011 ⤷  Start Trial 2035-08-18
Sanofi Pasteur Inc. FLUZONE, FLUZONE HD QUADRIVALENT, FLUZONE HIGH DOSE, FLUZONE INTRADERMAL, FLUZONE QUADRIVALENT influenza virus vaccine Injection 103914 June 07, 2013 ⤷  Start Trial 2035-08-18
Sanofi Pasteur Inc. FLUZONE, FLUZONE HD QUADRIVALENT, FLUZONE HIGH DOSE, FLUZONE INTRADERMAL, FLUZONE QUADRIVALENT influenza virus vaccine Injection 103914 December 11, 2014 ⤷  Start Trial 2035-08-18
Sanofi Pasteur Inc. FLUZONE, FLUZONE HD QUADRIVALENT, FLUZONE HIGH DOSE, FLUZONE INTRADERMAL, FLUZONE QUADRIVALENT influenza virus vaccine Injection 103914 November 04, 2019 ⤷  Start Trial 2035-08-18
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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