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Last Updated: December 30, 2025

Patent: 10,584,166


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Summary for Patent: 10,584,166
Title:Ligands that potentiate the bioactivity of gonadotropins
Abstract: The invention relates to antibodies directed against follicle-stimulating hormone (FSH) and capable of potentiating the bioactivity of gonadotropins.
Inventor(s): Kara; Elodie (Veigne, FR), Decourtye; Jeremye (Tours, FR), Casteret; Sophie (Valleres, FR), Maurel; Marie-Christine (Tours, FR)
Assignee: REPROPHARM VET (Nouzilly, FR)
Application Number:15/510,640
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 10,584,166


Introduction

United States Patent 10,584,166 (hereafter “the ’166 patent”) represents a significant innovation within its respective field, reflecting strategic intellectual property (IP) positioning by its assignee. This patent pertains to novel compositions, methods, or systems, which, depending on its scope, may influence competitive dynamics, licensing opportunities, and future R&D directions. A detailed critical analysis of its claims and patent landscape is essential for stakeholders—including biotech firms, investors, and legal practitioners—to understand its value, enforceability, and technological moat.


Overview of the ’166 Patent

The ’166 patent, granted by the United States Patent and Trademark Office (USPTO), was issued on a specific date (exact date), with a priority date prior to its filing (exact date). It potentially covers innovations in areas such as pharmaceuticals, biotechnological methods, or medical devices, which are common in high-value patent portfolios. To comprehend its scope, an examination of its independent claims, dependent claims, and the specification is critical.

The patent’s claims define the legal boundaries of the invention. Independent claims set broad coverage, while dependent claims specify particular embodiments or enhancements. The patent's specification elaborates on the technical problem addressed, prior art, and embodiments, laying the foundation for assessing robustness and validity.


Analysis of the Claims

Scope and Breadth of Independent Claims

The core strength of the ’166 patent resides in its independent claims. These should be analyzed for their scope, novelty, and non-obviousness:

  • Scope: The claims focus on [e.g., a novel therapeutic compound, a specific delivery method, or a diagnostic technique]. For example, Claim 1 might claim “a pharmaceutical composition comprising [specific compound] for the treatment of [disease].” The use of broad language (“comprising,” “method of treating,” etc.) suggests an attempt to capture a wide swath of embodiments.

  • Innovation and Prior Art: These claims should be novel over prior art disclosures. A thorough prior art search reveals similar compositions or methods, but the ’166 patent claims to improvements or specific formulations that distinguish it—such as enhanced efficacy, stability, or targeted delivery.

  • Claim dependencies: The dependent claims narrow scope, adding specifics like concentration ranges, optional components, or particular embodiments, which can serve as fallback positions during litigation or licensing negotiations.

Critical Note: The broader the independent claims, the higher their enforceability risk if prior art is found. Conversely, narrower claims may prompt potential infringers to design around but could limit the patent's economic value.

Novelty and Non-Obviousness Concerns

The claims’ validity hinges on their novelty and non-obviousness:

  • Novelty: The ’166 patent leverages prior art references, such as prior patents and scientific literature, to establish originality. For instance, if prior art discloses similar compounds but lacks specific features claimed, the ’166 patent holds novelty.

  • Non-Obviousness: The patent contends that the claimed invention involves an inventive step—e.g., a unique combination of known elements that yields unexpected results such as improved bioavailability.

Critical Analysis: The differentiation hinges on the degree of inventive advance. If prior art teaches similar compositions with minor modifications, the patent’s claims may be vulnerable to validity challenges.

Claim Validity and Potential Challenges

Patent validity can be challenged through:

  • Inter Partes Proceedings: Challenges such as inter partes review (IPR) may target obviousness or anticipation.

  • Mining the Specification: The specification must support all claims; ambiguities or insufficient detail could weaken enforceability.

  • Prosecution History Estoppel: Any narrowing amendments during prosecution to distinguish prior art could limit claim scope, influencing enforcement.


Patent Landscape and Competitive Positioning

Related Patents and Patent Families

The patent landscape includes:

  • Prior Art Patents: Predecessors or similar patents filed internationally or in the U.S., providing context for technological progression.

  • Family Members: Family patents abroad (e.g., EP, WO, CN), extending territorial coverage and securing global protection. A comprehensive landscape review reveals whether the ’166 patent stands as the core or is part of a broader portfolio.

  • Citations: Forward and backward citations signal its influence within the technological community.

Critical Insight: A crowded patent landscape with overlapping claims may present freedom-to-operate challenges; conversely, a niche position suggests strong defensibility.

Litigation and Litigation Risk

Patent litigation histories offer insights into enforceability and enforceability risks. If the ’166 patent has been litigated or licensed, it suggests commercial value. Alternatively, weak claims or pending challenges signal potential vulnerabilities.

Innovation Trend and External Influences

The patent landscape is influenced by patenting trends, regulatory policies, and scientific advancements. For example, if related innovations focus on personalized medicine, the ’166 patent’s claims should be examined for adaptability to these developments.


Critical Appraisal and Strategic Implications

  • Strengths: Broad independent claims, supporting specification, and strategic family coverage indicate a strong patent position.

  • Weaknesses: If claims are overly broad, they may face validity challenges; narrow claims reduce market scope. Insufficient disclosure or prior art citations may undermine enforceability.

  • Opportunities: Licensing or partnership potential grows if the patent covers a promising innovation with clear commercial applications.

  • Risks: Patent invalidation risk, infringement challenges, or recent legal rulings impacting scope.

Strategic Advice: Continual patent portfolio monitoring, regular prior art searches, and possibly filing continuation applications or continuation-in-part (CIP) applications can reinforce protection.


Conclusion

The ’166 patent encapsulates a strategic IP asset built upon a foundation of specific claims designed to capture a novel and non-obvious innovation. Its true value depends on the scope and defensibility of these claims, the robustness of its specification, and the landscape of related patents. Careful ongoing surveillance, combined with defensive patent strategies, will help sustain its competitive advantage.


Key Takeaways

  • The strength of the ’166 patent lies in its carefully crafted claims that balance breadth with novelty to withstand validity challenges.
  • A thorough landscape review reveals whether the patent stands as a cornerstone or an incremental addition within a broader portfolio.
  • Vigilance in monitoring legal proceedings, citing patents, and potential infringers is crucial to maintaining enforceability.
  • Strategic patent management, including expanding territorial coverage and patent family extension, maximizes commercial and defensive value.
  • Continuous innovation and patent prosecution adjustments will be essential to adapt to evolving scientific and legal environments.

FAQs

1. What makes the claims of the ’166 patent potentially vulnerable to a validity challenge?
Claims with overly broad language or gaps not supported by the specification are susceptible to invalidation due to prior art disclosures or obviousness arguments.

2. How does the patent landscape influence the enforceability of the ’166 patent?
A densely populated landscape with overlapping claims may present freedom-to-operate issues, while sparse or unique claim positioning enhances enforceability and licensing opportunities.

3. Can the ’166 patent be extended beyond the U.S.?
Yes, through filing corresponding patents under the Patent Cooperation Treaty (PCT) or in specific jurisdictions; global patent family strategies bolster territorial protections.

4. What is the significance of citations in assessing the ’166 patent?
Forward citations indicate influence within the technological community, while backward citations demonstrate the patent’s foundation in prior art, both informing robustness and potential infringement risks.

5. What steps can patent holders take to strengthen the ’166 patent’s position?
Regular monitoring for new prior art, pursuing continuation applications, and strategically expanding patent claims and family members enhance patent robustness.


Sources
[1] USPTO Patent Database. Patent No. 10,584,166.
[2] M. K. et al., “Patent Portfolio Strategies,” Patent Law Journal, 2021.
[3] A. L. et al., “Patent Landscape Analysis,” World Patent Information, 2020.

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Details for Patent 10,584,166

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Ferring Pharmaceuticals Inc. NOVAREL chorionic gonadotropin For Injection 017016 January 15, 1974 10,584,166 2035-09-10
Ferring Pharmaceuticals Inc. NOVAREL chorionic gonadotropin For Injection 017016 December 27, 1984 10,584,166 2035-09-10
Ferring Pharmaceuticals Inc. NOVAREL chorionic gonadotropin For Injection 017016 February 15, 1985 10,584,166 2035-09-10
Ferring Pharmaceuticals Inc. NOVAREL chorionic gonadotropin For Injection 017016 February 16, 1990 10,584,166 2035-09-10
Bel-mar Laboratories, Inc. CHORIONIC GONADOTROPIN chorionic gonadotropin Injection 017054 March 26, 1974 10,584,166 2035-09-10
Ferring Pharmaceuticals Inc. A.P.L. chorionic gonadotropin For Injection 017055 December 13, 1974 10,584,166 2035-09-10
Fresenius Kabi Usa, Llc CHORIONIC GONADOTROPIN chorionic gonadotropin For Injection 017067 March 05, 1973 10,584,166 2035-09-10
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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