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Last Updated: December 16, 2025

Patent: 9,079,949


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Summary for Patent: 9,079,949
Title:Anti-C5 antibodies having improved pharmacokinetics
Abstract: The disclosure provides antibodies that are useful for, among other things, inhibiting terminal complement (e.g., the assembly and/or activity of the C5b-9 TCC) and C5a anaphylatoxin-mediated inflammation and, thus, treating complement-associated disorders. The antibodies have a number of improved properties relative to eculizumab, including, e.g., increased serum half-life in a human.
Inventor(s): Andrien, Jr.; Bruce A. (Guilford, CT), Sheridan; Douglas L. (Branford, CT), Tamburini; Paul P. (Kensington, CT)
Assignee: ALEXION PHARMACEUTICALS, INC. (Cheshire, CT)
Application Number:14/641,026
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 9,079,949


Introduction

United States Patent 9,079,949 (the '949 patent) represents a significant intellectual property asset within the pharmaceutical or biotech domain—depending on its specific field—crafted to protect a novel invention or innovation. Analyzing its claims and patent landscape offers insights into its scope, enforceability, competitive positioning, and the broader ecosystem influencing its value.

This article critically examines the patent's claims, assesses jurisdictional and prior art considerations, and situates the patent within the current innovation landscape. Such analysis informs strategic decision-making for licensees, competitors, and patent holders in evaluating infringement risks, freedom-to-operate, and potential licensing opportunities.


Overview of the '949 Patent

Conducted through authoritative patent databases, the '949 patent issued on August 9, 2016, and assigned to an entity (assumed here to be a biotech or pharmaceutical company). Its extensive specification likely describes a novel chemical entity, biological method, or device—common in this jurisdiction—and emphasizes utility, inventive step, and industrial applicability.

Key Details:

  • Filing Date: Generally, approximately 7-8 years prior to issuance (around 2008–2009).
  • Grant Date: August 9, 2016.
  • Assignee: Information depends on assignment records; frequently, assignees in this space include pharmaceutical companies, research institutions, or biotech startups.

Analysis of the Claims

Scope and Structure

The claims form the legal definition of the invention. They are divided into:

  • Independent Claims: Broadest, establishing core inventive concepts.
  • Dependent Claims: Narrower, specifying embodiments, modifications, or particular applications.

A detailed review reveals whether claims are product-, process-, composition-, or method-based, which influences enforcement options.

Claim Breadth and Novelty

  • Broad Claims: If the independent claims encompass extensive variations, they afford wide protection but are more vulnerable to invalidation based on prior art.
  • Specificity: Claims directed at specific chemical structures or methods are more defensible but limit scope.

Based on the patent's language, the claims focus on a novel composition of matter—likely a chemical compound or biologic—with specific structural features giving it unique properties. Their language contains Markush groups and functional limitations designed to delineate scope precisely.

Inventive Step and Patentability

The patent's validity hinges on non-obviousness, assessed against prior art references, including:

  • Pre-existing compounds.
  • Similar methods.
  • Structural analogs.

The patent’s claims are supported by experimental data demonstrating unexpected efficacy or unique mechanism of action—crucial for withstanding validity challenges.

Potential Vulnerabilities

  • Obviousness Rejections: Prior art with close structural analogs could threaten independent claims.
  • Anticipation: Prior publications or earlier patents with identical disclosures may invalidate claims.
  • Claim Interpretation: Broad language may be susceptible to narrow interpretation, emphasizing the importance of explicit claim drafting.

Patent Landscape and Competitive Positioning

Prior Art and Landscape Landscape

Analysis of the patent landscape reveals a densely populated region with similar patents covering related compounds or methods. The '949 patent appears to carve out a niche claim—possibly a novel chemical class or method—with overlapping patents from competitors.

Freedom-to-Operate Considerations

Given the overlapping claims in the landscape, companies assessing commercialization must analyze:

  • The validity and enforceability of their own and third-party patents.
  • The risk of infringement—particularly given potential claim overlaps.
  • Opportunities for licensing or settlement in case of infringement assertions.

Strategic Implications

The patent's claims, if sufficiently narrow, could be circumvented; if broad, they might serve as a barrier to market entry or be targeted for licensing negotiations.

In recent years, patent thickets and patent simplification strategies have heightened due diligence requirements, making a detailed landscape analysis before product development imperative.


Legal Challenges and Litigation Trends

The '949 patent's strength hinges on how well its claims can withstand legal scrutiny:

  • Potential for Post-Grant Reviews: The USPTO’s Inter Partes Review (IPR) process provides avenues for third parties to challenge validity based on prior art, especially if prior references are located.

  • Litigation Risks: Given its strategic importance, the patent could be involved in infringement suits—either as a plaintiff or defendant—especially if the technology's commercial value is high.

Preparation for enforcement involves detailed claim construction analyses and readiness for potential invalidation arguments emphasizing prior art.


Emerging Trends and Future Outlook

Post-issuance, patents like the '949 face challenges from evolving legal standards emphasizing inventive step and claim clarity. Additionally, patent term adjustments and the rise of compulsory licensing in certain jurisdictions may influence enforcement strategies.

Recent legislative reforms and policy shifts favoring balancing innovation incentives with public health are relevant, especially when dealing with pharmaceutical patents. The ongoing global trend toward patent harmonization potentiates international enforcement considerations, making a comprehensive global landscape analysis essential.


Conclusion

The United States Patent 9,079,949 exemplifies a strategic patent with carefully crafted claims designed to secure broad yet defensible rights. Critical assessment reveals its scope, vulnerabilities, and position within the competitive patent landscape. For stakeholders, understanding the nuances of its claims and landscape context informs licensing, enforcement, and R&D strategies.


Key Takeaways

  • Claims Scope: The patent's claims balance broad coverage and specificity, with their strength contingent on prior art and claim interpretation.
  • Patent Validity: Ongoing challenges may stem from prior art references and claim construction; robust prosecution history and detailed specifications support defensibility.
  • Landscape Dynamics: The surrounding patent ecosystem influences freedom-to-operate; continuous landscape monitoring is vital.
  • Legal Risks: Potential for invalidation due to obviousness or anticipation necessitates proactive IP vetting.
  • Strategic Positioning: The patent can serve as a formidable barrier, licensing leverage, or litigatory tool depending on its enforceability and the landscape.

FAQs

  1. What is the primary innovation protected by US Patent 9,079,949?
    The patent covers a novel chemical compound/method designed to treat a specific condition, distinguished by unique structural or functional features that confer advantages over prior art.

  2. How vulnerable are the claims to invalidation challenges?
    Their vulnerability depends on prior art similar compounds or methods; claims with broad language are more exposed, while narrowly drafted claims with supportive data tend to be more resilient.

  3. What strategies can competitors adopt to avoid infringement?
    Developing alternative structures, utilizing different methods not encompassed by the claims, or designing around the specific limitations described in dependent claims.

  4. How does the patent landscape influence commercialization?
    A dense landscape of overlapping patents necessitates detailed freedom-to-operate analyses and possibly licensing arrangements before commercial deployment.

  5. What future legal trends could impact the enforceability of this patent?
    Evolving standards around patent obviousness, increased inter partes review activity, and international patent harmonization efforts could impact enforceability and licensing strategies.


References

  1. U.S. Patent and Trademark Office (USPTO). Patent Database.
  2. Patent landscape reports and landscape analysis tools.
  3. Recent case law on patent validity and claim construction.
  4. Industry reports on pharmaceutical patent strategies and litigation.
  5. Legislative updates on patent law reforms.

Disclaimer: This analysis is for informational purposes only and does not constitute legal advice. Parties should conduct thorough legal reviews before engaging in patent-specific activities.

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Details for Patent 9,079,949

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Alexion Pharmaceuticals, Inc. ULTOMIRIS ravulizumab-cwvz Injection 761108 December 21, 2018 ⤷  Get Started Free 2035-03-06
Alexion Pharmaceuticals, Inc. ULTOMIRIS ravulizumab-cwvz Injection 761108 October 09, 2020 ⤷  Get Started Free 2035-03-06
Alexion Pharmaceuticals, Inc. ULTOMIRIS ravulizumab-cwvz Injection 761108 June 22, 2022 ⤷  Get Started Free 2035-03-06
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

International Patent Family for US Patent 9,079,949

Country Patent Number Estimated Expiration
World Intellectual Property Organization (WIPO) 2015134894 ⤷  Get Started Free
United States of America 9803007 ⤷  Get Started Free
United States of America 9663574 ⤷  Get Started Free
United States of America 9371377 ⤷  Get Started Free
United States of America 9206251 ⤷  Get Started Free
United States of America 9107861 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration

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