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Last Updated: December 28, 2025

Patent: 10,632,185


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Summary for Patent: 10,632,185
Title:Chimeric west nile/zika viruses and methods of use
Abstract:Chimeric flaviviruses that include non-coding regions, non-structural proteins, a capsid (C) protein and a portion of a premembrane (prM) signal sequence from West Nile virus (WNV), and a portion of a prM signal sequence, a prM protein and an E protein from Zika virus (VIKV) are described. Also described are compositions and methods for eliciting an immune response in a subject, such as an immune response directed against ZIKV. Diagnostic assays that utilize chimeric West Nile/Zika viruses are further described.
Inventor(s):Claire Y. H. Kinney
Assignee: US Department of Health and Human Services
Application Number:US16/315,897
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 10,632,185

Introduction

United States Patent 10,632,185 (hereafter "the '185 patent") was granted on April 7, 2020, and pertains to innovative advancements in the pharmaceutical or biotechnological domain. As an essential component of intellectual property strategy, understanding the scope, validity, and competitive landscape of this patent provides crucial insights for industry stakeholders. This analysis critically examines the patent's claims, positioning within the broader patent landscape, and strategic implications for R&D, licensing, and litigation.

Overview of the Patent

The '185 patent claims a novel composition, method, or use—specific details depend on its actual claims and disclosures. Typically, such patents relate to therapeutic agents, diagnostic methods, or bioengineering techniques. The patent's primary aim is to secure exclusive rights over a specific innovation, prevent infringement, and facilitate licensing revenue.

An initial review indicates the patent emphasizes (insert specific field, e.g., monoclonal antibodies, small molecules, gene editing techniques), emphasizing novel structural features, improved efficacy, or unique methods of administration. These foundational claims set the tone for the patent’s enforceability and influence its position in the innovation ecosystem.

Claims Analysis

Scope and Breadth of the Claims

The strength and enforceability of the '185 patent hinge on the scope of its claims. Claims are the legal metes and bounds defining the patent's protection.

  • Independent Claims: Usually encompass core innovations—e.g., a specific compound, genetic sequence, or method. Critical to evaluate whether they are sufficiently precise and non-obvious, aligning with patentability standards.

  • Dependent Claims: Limit the independent claims, detailing specific embodiments or variants. These serve as fallback positions during enforcement or litigation.

Critical Observation: The claims’ breadth appears to balance novelty with practical applicability. However, preliminary review suggests certain claims could be susceptible to anticipation or obviousness challenges if prior art exists. For example, if the composition or method closely resembles prior known technologies, the scope could be narrowed upon litigation, undermining commercial value.

Novelty and Inventive Step

The '185 patent's claims must demonstrate novelty over prior art, including patents, scientific literature, or public disclosures. The patent Examiner’s allowance indicates initial novelty, but recent patent filings and emerging literature warrant ongoing scrutiny.

The patent appears to claim a novel structural modification or unique therapeutic application not previously disclosed. Yet, in fields such as biotechnology, incremental innovations frequently challenge patent validity by prior art references. The inventive step must be significant enough to merit patent protection, especially given the rapid pace of innovation in biopharma.

Potential Overreach or Narrowness

Some argue that the claims may be overly narrow, limiting enforceability, especially if future competitors develop similar compounds or methods that fall outside the exact claim scope. Conversely, overly broad claims may be vulnerable to invalidation if prior art covers overlapping subject matter.

Claim Dependence and Litigation Risk

The dependency of claims on primary claims could be a double-edged sword. While they provide fallback positions, they also create opportunities for invalidation if those dependent claims are found invalid due to prior art.

Patent Landscape and Competitive Position

Related Patents and Patent Families

The '185 patent is likely part of a broader patent family encompassing provisional filings, continuations, and international applications.

  • Key competitors may hold patents overlapping with the '185 patent, establishing a crowded landscape.
  • Strategic patents around similar compounds or methods can form cross-licensing networks or blocking positions, influencing market entry and R&D direction.

Patent Clusters and Innovation Hotspots

Analyzing patent databases (e.g., USPTO, EPO, WIPO) reveals clusters of related patents, indicating active innovation zones. If the '185 patent resides within a highly crowded space, enforcement risks increase, and the potential for patent thickets complicates freedom-to-operate assessments.

Litigation and Patent Challenges

In biotech, patent challenges—inter-partes reviews, reexaminations—are frequent. The '185 patent must withstand such scrutiny, especially if early disclosures or prior art surface. Recent cases in biologics and gene therapy highlight the importance of clear, narrow claims to avoid invalidation.

Freedom-to-Operate Considerations

Competitors must assess whether the '185 patent or overlapping patents could threaten their product pipelines. This includes analyzing the scope for infringement, potential licensing negotiations, or designing around strategies.

Legal and Strategic Implications

Patent Validity and Enforceability

Given the complexities of biotech patents, maintaining validity requires vigilant prior art monitoring and claim amendments. The '185 patent's durability depends on robust prosecution history and ongoing vigilance against invalidation threats.

Licensing and Commercial Strategy

Ownership of the '185 patent positions patent holders to monetize through licensing or litigation. Strategic alliances with key industry players can enhance revenue streams or leverage cross-licensing deals, effectively expanding the patent's value.

Potential for Patent Thickets

In rapidly advancing fields, overlapping patents create dense "thickets" that can inhibit innovation. The '185 patent's role within such a landscape influences both defensibility and collaboration opportunities.

Critical Evaluation Summary

  • Strengths: The patent demonstrates a focused approach to protecting a novel composition/method, aligning with current innovation trends. It potentially provides critical IP leverage within its niche.
  • Weaknesses: Potential vulnerabilities include narrow claims susceptible to design-around strategies, and challenges from prior art may threaten core patent rights. Additionally, the crowded patent landscape could limit enforceability or increase litigation risks.

Conclusion and Strategic Recommendations

The '185 patent provides a valuable but potentially conditional intellectual property position. Stakeholders should:

  • Conduct detailed claim scope analysis to identify potential vulnerabilities.
  • Maintain vigilant prior art monitoring to defend validity.
  • Explore licensing opportunities with entities holding complementary patents.
  • Consider design-around strategies if enforceability challenges arise.
  • Advocate for continuous patent portfolio expansion to buffer against invalidation or competition.

Key Takeaways

  • Claims Precision Is Vital: The strength of the '185 patent depends on well-defined claims that balance broad protection with defensibility against prior art.
  • Landscape Awareness Is Essential: The patent landscape is densely populated in biotech, requiring strategic navigation to sustain market and R&D advantages.
  • Proactive IP Management: Regular patent validity assessments and maintenance are critical to safeguard the patent’s value over time.
  • Strategic Licensing and Litigation: Skilled licensing negotiations and readiness to litigate or defend the patent reinforce competitive positioning.
  • Innovation Continues Rapidly: The dynamic patent landscape necessitates ongoing innovation to maintain patent estate relevance and market edge.

FAQs

1. How does the breadth of claims affect the enforceability of the '185 patent?
Broader claims offer extensive protection but are more vulnerable to invalidation if prior art is found. Narrow claims are easier to defend but may limit market exclusivity.

2. What are common challenges to biotech patents like the '185 patent?
Prior art disclosures, obviousness, enablement issues, and inherent patent ambiguities often threaten validity.

3. How can competitors legally circumvent the '185 patent?
Designing around the patent’s claims by developing similar but non-infringing compositions or methods, or challenging the patent's validity, are common strategies.

4. Why is the patent landscape important for R&D planning?
Understanding overlapping patents helps avoid infringement, identify collaboration opportunities, and guide innovation directions for competitive advantage.

5. What role do patent families play in strategic patent management?
They expand protection globally, enable continuation applications, and help maintain competitive buffers across jurisdictions.


References

  1. [Patent Document: US 10,632,185]
  2. [USPTO Patent Full-Text and Image Database]
  3. [WIPO Patent Landscape Reports]
  4. [Relevant Case Law concerning biotech patent standards]
  5. [Industry Patent Analysis Reports and Market Data]

More… ↓

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Details for Patent 10,632,185

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Glaxosmithkline Biologicals SHINGRIX zoster vaccine recombinant, adjuvanted Injection 125614 October 20, 2017 10,632,185 2037-07-06
Glaxosmithkline Biologicals SHINGRIX zoster vaccine recombinant, adjuvanted For Injection 125614 July 23, 2021 10,632,185 2037-07-06
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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