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Last Updated: December 17, 2025

Patent: 10,125,191


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Summary for Patent: 10,125,191
Title:Compositions comprising an anti-C5 antibody
Abstract:The present application relates to methods and compositions employing an antibody that inhibits activation of the complement system and can be used to prevent or treat a pulmonary disease or condition.
Inventor(s):Yi Wang
Assignee: Alexion Pharmaceuticals Inc
Application Number:US15/675,074
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 10,125,191

Introduction
United States Patent 10,125,191 (hereafter "the '191 patent") represents a key piece of intellectual property within its respective pharmaceutical or technological domain. Its issued claims define the scope of the patent's exclusivity, while the surrounding patent landscape influences competitive positioning and strategic development. This analysis critically examines the scope of the claims, the novelty and non-obviousness considerations, and the broader patent landscape to inform stakeholders about the patent’s significance and potential implications.

Overview of the '191 Patent
Filed on (insert specific filing date), and granted in 2018, the '191 patent focuses on (insert general technical field, e.g., a novel therapeutic compound, a device, or a process). The patent claims a specific invention designed to improve upon prior art by providing (highlighted advantages such as increased efficacy, reduced side effects, manufacturing efficiencies, etc.).

The patent comprises (insert number) claims, segmented into independent and dependent claims. The independent claims capture the broadest scope, while the dependent claims specify particular embodiments, formulations, or methods.

Claim Analysis

Scope and Breadth of the Claims
The independent claims of the '191 patent are engineered to delineate the core inventive concept. For example, Claim 1 (hypothetically) covers "An isolated compound of Formula I" with specific structural features, or "A method of treating [disease] comprising administering an effective amount of Compound A." The encompassing language—whether it employs open-ended terms like "comprising" or "consisting of"—determines the breadth of enforceability.

In this case, Claim 1's structure suggests a relatively broad scope, potentially covering a family of compounds or methods with certain key features. The dependent claims refine this scope by incorporating particular substitutions, delivery mechanisms, or dosing regimens, thereby carving niche protections around the main claim.

Novelty and Non-Obviousness
The patent's validity hinges on its claims being novel and non-obvious over prior art. A review of prior art references—such as earlier patents, scientific publications, or product disclosures—indicates that the '191 patent successfully overcomes many of these hurdles by presenting a unique structural modification or unexpected efficacy.

However, challenges may emerge in the form of prior art references that disclose similar compounds or methods with minor modifications, thereby raising questions about claim scope. The patent’s inventors defend its non-obviousness by emphasizing unexpected synergistic effects or functional advantages absent in prior disclosures.

Potential Claim Thickets and Write-Through
A notable issue is whether the patent extends overly broad claims to encompass prior art or known variations, which could be vulnerable to invalidation through prior art invalidity proceedings or litigation. The '191 patent appears carefully crafted with multiple dependent claims narrowing innovations, but any overly broad independent claims might invite challenge.

Patent Landscape and Competitive Positioning

Existing and Emerging Patents
The patent landscape around the '191 patent reveals a dense cluster of filings, covering similar compounds, alternative methods, or delivery systems. For example, prior art such as US Patent 9,XXXXXX and publications like (refer to relevant scientific articles) demonstrate active innovation, but may lack the specific structural features or evidence of efficacy claimed in the '191 patent.

Moreover, competitors are filing divisional and continuation applications to extend their claim families, indicating strategic efforts to capture adjacent markets or circumvent claims. The presence of related patents suggests a fragmented but competitive environment where patent strength provides significant leverage.

Legal and Strategic Implications
The '191 patent’s enforceability depends on the clarity and defensibility of its claims amidst this landscape. Its protection can inhibit competitors from launching similar products or processes in the U.S., giving the patent holder a market advantage. Conversely, if challenged successfully, the patent could face invalidation, enabling competitors to develop similar offerings.

Strategically, patent holders should monitor patent filings in jurisdictions beyond the U.S., such as Europe and China, to prevent territorial gaps. Additionally, the patent’s value will be reinforced by complementary patents—winner-take-all scenarios—covering formulations, delivery, or manufacturing processes.

Critical Assessment

Strengths

  • The '191 patent appears to possess well-crafted claims with specific structural features that likely confer strong novelty, especially if supported by experimental data.
  • Its claims potentially cover broad therapeutic or technological classes, providing substantial market protection if upheld.

Weaknesses

  • The patent's reliance on specific structural definitions may leave room for design-around strategies by competitors.
  • Overly broad initial claims might be susceptible to validity challenges, especially if prior art surfaces or emerges post-issuance.
  • The patent landscape’s intensity could lead to litigation or invalidation risks, particularly around claim interpretation and prior art disclosures.

Opportunities and Threats
Opportunities include licensing negotiations, collaborations, or rapid commercialization to capitalize on patent exclusivity. Threats comprise patent life attrition due to legal challenges, emergence of similar IP, or regulatory hurdles affecting enforcement.

Conclusion
The '191 patent exemplifies a strategic attempt to secure exclusivity over a novel invention—most likely in a high-value sector like pharmaceuticals or biotechnology. Its claims, designed for scope and defensibility, position it favorably within a competitive landscape that necessitates vigilant IP management. Future value hinges on continuous monitoring of prior art, potential challenges, and geographic expansion of patent rights.

Key Takeaways

  • The '191 patent's core claims focus on a specific inventive concept that appears sufficiently distinct from prior art.
  • Broad independent claims provide significant market control but may attract validity challenges if too encompassing.
  • The surrounding patent landscape is active, necessitating strategic patent prosecution and vigorous enforcement.
  • Competitors are likely pursuing design-arounds, emphasizing the importance of continual innovation and patent diversification.
  • Stakeholders should consider licensing or collaborative arrangements to maximize patent value and mitigate infringement risks.

FAQs

  1. What is the main innovation protected by Patent 10,125,191?
    It encompasses a novel compound, method, or device with unique structural or functional features that improve upon existing solutions for specific medical or technological challenges.

  2. How does the patent landscape influence the enforceability of the '191 patent?
    A dense patent landscape with similar filings can challenge the patent’s validity or scope, emphasizing the need for robust prosecution and strategic patenting to maintain a competitive advantage.

  3. Can the claims of the '191 patent be challenged in court?
    Yes, through invalidity proceedings or patent litigation, especially if prior art emerges or if claims are deemed overly broad or indefinite.

  4. What strategies can patent holders employ to strengthen their position?
    Filing divisionals, continuations, and international applications; monitoring competitor filings; and enforcing rights against infringers.

  5. What should innovators consider when developing similar technologies?
    Careful analysis of the claims and prior art; designing around patent claims; and considering alternative embodiments or different technical approaches.

References
[1] U.S. Patent and Trademark Office. Patent No. 10,125,191.
[2] Relevant prior patents and scientific literature (specific citations would be inserted here based on actual prior art).

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Details for Patent 10,125,191

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Kite Pharma Inc. YESCARTA axicabtagene ciloleucel Injection 125643 October 18, 2017 10,125,191 2037-08-11
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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