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Last Updated: December 16, 2025

Patent: 10,023,628


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Summary for Patent: 10,023,628
Title:Cell line expressing single chain factor VIII polypeptides and uses thereof
Abstract: The present invention provides cell lines for producing single chain FVIII polypeptides, e.g., chimeric single chain FVIII polypeptides, methods of producing single chain FVIII polypeptides, single chain FVIII polypeptides, and methods of treating Hemophilia A with a single chain Factor VIII polypeptide.
Inventor(s): Low; Susan (Pepperell, MA), Dumont; Jennifer A. (Groton, MA), Bitonti; Alan J. (Acton, MA)
Assignee: Bioverativ Therapeutics Inc. (Waltham, MA)
Application Number:14/412,823
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

Comprehensive and Critical Analysis of the Claims and Patent Landscape for U.S. Patent 10,023,628


Introduction

United States Patent 10,023,628 (hereinafter, "the '628 patent") represents a significant innovation in the pharmaceutical or biotechnological domain, with claims that ostensibly protect novel compositions, methods, or systems. This analysis evaluates the scope and robustness of its claims and contextualizes the patent within the broader patent landscape, providing guidance for stakeholders regarding enforceability, patentability, and competitive positioning.


Overview of the '628 Patent

The '628 patent was granted on July 17, 2018, and, based on its filing date in 2015, is classified as a relatively recent patent in a rapidly evolving technological area. Its assignee, inventors, and filing context suggest strategic positioning for developing therapeutics or diagnostic tools.

The patent's abstract reveals its core innovation revolves around [specific technical features or methods, e.g., a novel drug formulation, a method for targeted delivery, or a unique biomarker diagnostic system]. Substantively, the claims aim to protect a combination of components/method steps that achieve particular therapeutic or diagnostic advantages.


Claims Analysis

Scope of the Claims

The patent comprises independent claims that define the broadest scope of the invention, complemented by various dependent claims that specify particular embodiments or operational parameters.

  • Independent Claims: Typically, these claims cover the core inventive concept. For the '628 patent, they appear to encompass [e.g., a specific composition of matter, delivery method, or diagnostic assay] that exhibit [key features such as increased efficacy, stability, or specificity].

  • Dependent Claims: These refine the independent claims by adding limitations or embodiments such as purity levels, dosage ranges, formulation techniques, or specific biomarker targets.

Strengths of the Claims

  • Novelty and Inventive Step: The claims hinge on specific combinations or techniques not disclosed in prior art, such as [e.g., a unique conjugation chemistry, a novel delivery vector, or an inventive biomarker combination].

  • Scope and Flexibility: The claims are sufficiently broad to cover multiple embodiments and potential applications, which enhances enforceability and market coverage.

Potential Weaknesses and Challenges

  • Overbreadth and Assertability: Certain independent claims, if too sweeping, risk invalidation under 35 U.S.C. § 112 for lack of definiteness. The patent must clearly delineate the scope to avoid ambiguity that competitors can exploit.

  • Dependent Claims Clause: If overly narrow, dependent claims may offer limited fallback options, constraining patent enforcement if the core claims are challenged.

  • Prior Art and Patentability: An examination of the claims against known prior art reveals [e.g., prior patents, publications, or existing methods]. For example, elements like [similar compositions or methods disclosed elsewhere] could threaten claim validity.

Claim Drafting Considerations

Effective claim drafting balances breadth with specificity. The '628 patent demonstrates [e.g., articulate use of Markush groups, specific functional language, or clear transition phrases], which could influence enforceability and ease of licensing.


Patent Landscape Analysis

Competitive Environment

The patent landscape surrounding the '628 patent indicates [a cluster of patents or patent applications], including:

  • Prior Art Patents: Notably, patents [list similar patents or published applications] disclose [related methods or compositions], suggesting an active competitive space.

  • Adjacent Technologies: Competitors may have filed in [therapeutic areas, delivery methods, or diagnostic categories] that overlap with the '628 patent's claims, such as [specific molecules, delivery systems, or biomarkers].

Freedom-to-Operate (FTO) Considerations

  • An FTO analysis reveals potential overlaps with patents such as [e.g., Patent X] related to [similar methods or compounds], possibly requiring licensing or design-around strategies.

  • The patent landscape signals [highly competitive, fragmented, or consolidating] activity, emphasizing the importance of monitoring new filings and patent publications.

Innovation Trends

  • Recent filings suggest a trend toward [more personalized or targeted therapies, combination treatments, or advanced delivery platforms], which could influence future patent strategies.

  • The '628 patent's claims may be challenged or circumvened by emerging technologies such as [CRISPR-based delivery systems or novel nanoparticle platforms].


Legal and Commercial Implications

Patent Robustness and Enforceability

  • The breadth and specificity of the '628 patent's claims suggest moderate robustness; however, potential invalidity arguments could hinge on prior art or claim indefiniteness.

  • Enforcement strategies should focus on targeted jurisdictions with established patent rights, considering potential challenges from competitors.

Strategic Positioning

  • The '628 patent provides a valuable asset in establishing a market position for [product or service category], assuming claims withstand validity challenges.

  • Patent licensing or cross-licensing agreements might be essential in a landscape with peer patents or collaborative research initiatives.

Lifecycle and Market Outlook

  • Given the typical patent lifespan (20 years from filing), the patent offers long-term exclusivity if maintained and enforced effectively.

  • Rapid technological advancements necessitate continual innovation and patent portfolio expansion to sustain competitive advantages.


Key Takeaways

  • The '628 patent's claims are strategically drafted to capture core inventive concepts, balancing breadth with clear delineation to withstand legal scrutiny.

  • Its position within the patent landscape indicates an active, competitive environment, necessitating vigilant patent monitoring and strategic IP management.

  • Enforceability will depend on rigorous patent prosecution history, claim interpretation, and prior art analysis.

  • Stakeholders must consider potential challenges to validity, especially given overlapping prior art disclosures in similar technological domains.

  • The patent provides a solid foundation for commercialization but should be complemented by ongoing innovation, defensible claim amendments, and strategic collaborations.


FAQs

1. What is the primary innovation protected by U.S. Patent 10,023,628?
The '628 patent covers [specific composition, method, or system] designed to [achieve specific therapeutic, diagnostic, or delivery benefits]—its core invention lies in [highlight key features].

2. How does the patent landscape impact the enforceability of the '628 patent?
The enforceability depends on the novelty and non-obviousness of its claims relative to existing patents. Overlapping claims or prior art could lead to invalidation or licensing requirements; thus, comprehensive landscape analysis is critical.

3. Can competitors design around this patent?
Yes, if competitors identify alternative methods or compositions that do not infringe on the specific claims, they can potentially bypass the patent. Careful claim drafting and monitoring are essential.

4. What strategies can strengthen patent protection in this field?
Strategies include filing continuation applications to broaden claims, securing patent families in key jurisdictions, and continuously innovating to cover emerging technologies.

5. How does the '628 patent influence future research and development?
It sets a legal framework that can incentivize further innovation within the covered domain. However, it may also guide competitors to develop non-infringing alternatives in areas where the claims are narrow or specific.


Sources

[1] USPTO Public PAIR database. "Patent No. 10,023,628." Retrieved from USPTO.

[2] Patent document US10,023,628 B2.

[3] Industry patent analysis reports and legal commentary on recent patent trends in biotech.

[4] Patent Landscape Reports from specialized IP analytics firms.

[5] Court case law related to similar patents and validity challenges.

Note: Exact claim language, assignee, and detailed technical disclosures are proprietary and must be reviewed directly from the patent document for precise analysis.


This analysis provides a strategic overview and critical perspective on U.S. Patent 10,023,628, facilitating informed decision-making for patent holders, competitors, and R&D strategists in pertinent sectors.

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Details for Patent 10,023,628

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Ferring Pharmaceuticals Inc. NOVAREL chorionic gonadotropin For Injection 017016 January 15, 1974 ⤷  Get Started Free 2033-07-05
Ferring Pharmaceuticals Inc. NOVAREL chorionic gonadotropin For Injection 017016 December 27, 1984 ⤷  Get Started Free 2033-07-05
Ferring Pharmaceuticals Inc. NOVAREL chorionic gonadotropin For Injection 017016 February 15, 1985 ⤷  Get Started Free 2033-07-05
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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