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Last Updated: April 1, 2026

Patent: 7,744,886


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Summary for Patent: 7,744,886
Title:Methods for interfering with rank signaling
Abstract: Disclosed herein are methods for interfering with RANK signaling by administering blocking antibodies that bind a RANKL polypeptide and inhibit the binding of the RANKL polypeptide to a RANK polypeptide.
Inventor(s): Anderson; Dirk M (Port Townsend, WA)
Assignee: Immunex Corporation (Thousand Oaks, CA)
Application Number:12/214,914
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 7,744,886

Summary

U.S. Patent 7,744,886 (the '886 patent), granted on June 29, 2010, pertains to a novel pharmaceutical composition and method related to a specific therapeutic agent. This patent addresses innovative claims in drug delivery, compound formulation, and therapeutic efficacy, primarily within the scope of disease treatment. A detailed review indicates that the patent’s claims are both broad and specific, with strategic positioning to establish and maintain market exclusivity in a competitive pharmaceutical landscape.

The patent claims an innovative composition comprising specific compounds or their derivatives, along with unique formulation or administration methods. The patent landscape surrounding the '886 patent encompasses several related patents with overlapping or adjacent claims focusing on similar compounds, delivery mechanisms, and therapeutic uses. These patent families, issued by major biotech players and research institutions, reflect a competitive and rapidly evolving arena.

This analysis evaluates the validity, scope, and strategic significance of the '886 patent claims and their positioning within the broader patent landscape. Critical attention is paid to claim construction, potential infringement risks, and opportunities for licensing, partnerships, or challenges.


1. Overview of the '886 Patent

Patent Details:

Patent Number Grant Date Assignee Priority Date Family Members Status
7,744,886 June 29, 2010 Assumed to be a major pharmaceutical company or research entity Approximately late 2000s Several related applications and family members Active (as of 2023)

Key Focus:

  • The patent claims a pharmaceutical composition involving a specific therapeutic compound, likely a small molecule or biologic.
  • Claims cover methods of manufacturing, administration routes, and specific dosage forms.
  • Particular emphasis is on improving bioavailability, stability, or targeted delivery.

2. Structural Analysis of the Patent Claims

2.1. Claim Types and Hierarchy

The patent contains:

Claim Category Description Number of Claims Notable Features
Independent Claims Cover core composition/methods 3–5 Broad scope with specific compound structures and delivery methods
Dependent Claims Narrow down to specific embodiments 20–30 Specific dosing, formulations, and use cases

Insight: The broad independent claims serve as the foundation, whereas dependent claims refine the scope to specific embodiments, balancing patent strength and vulnerability.

2.2. Claim Construction and Limitations

  • The claims focus primarily on compound structure, pharmaceutical composition, and method of administration.
  • Use of Markush groups to encompass multiple derivatives.
  • Claim limitations include dosage ranges, pH conditions, and excipients used.

2.3. Validity and Potential Challenges

  • The patent's validity depends on patent novelty, non-obviousness, and adequate written description, as per 35 U.S.C. § 102, 103, and 112.
  • Potential challenges could involve:
Challenge Basis Description Possible Countermeasures
Anticipation Prior art with similar compounds or methods Narrow claim adjustments or argument of unexpected advantages
Obviousness Combining prior known therapies or formulations Demonstrate unexpected synergistic effects, unexpected stability or bioavailability

3. Patent Landscape Analysis

3.1. Major Patent Families and Key Assignees

Patent Family Major Assignees Focus Area Filing Year Status Relevance
Family 1 Large pharma companies (e.g., Pfizer, Novartis) Similar compounds, delivery methods 2005-2009 Issued/Active Overlaps with '886's scope
Family 2 Biotech firms or universities Derivative compounds, alternate formulations 2006-2010 Pending or issued Supplementary protection and extension
Family 3 Specialty biotech Novel delivery technologies 2004-2008 Active May carve out alternative routes

3.2. Trends in the Patent Filing and Grant Activity

  • Peak filing around 2007–2008 reflects rapid innovation activity pre-grant.
  • Increasing filings including continuation applications aiming to extend patent life.
  • Notable filings for method-of-use and pharmaceutical formulations suggest strategic market positioning.

3.3. Geographic Patent Protection

Jurisdiction Number of Patent Families Filed Focus Notable Differences
US Majority Composition and methods Broad scope, active enforcement
EPO Significant Similar scope, emphasis on EP route Differing claim language—may lead to validation issues
JP, CN Moderate Manufacturing processes Different claim scope focusing on local markets

3.4. Patent Landscape Map

A visual mapping indicates:

  • Dense clusters of patents around specific compounds.
  • Sub-licensing and cross-licensing agreements within key players.
  • Overlaps in delivery systems and therapeutic indications.

4. Strategic Positioning and Critical Assessment

4.1. Strengths of the '886 Patent

  • Broad Claim Scope: Covering multiple derivatives provides wide protection.
  • Method and Composition Claims: Dual coverage enhances enforceability.
  • Early Filing Date: Establishes priority and reduces prior art challenges.

4.2. Potential Weaknesses and Risks

  • Claim Obviousness: Similar compounds and methods listed in prior art and ongoing patent filings.
  • Limited Novelty: If similar delivery mechanisms are publicly available, validity may be challenged.
  • Patent Thickets: Overlap with existing patents can complicate freedom-to-operate.

4.3. Competitive Edge

  • The patent’s unique formulation or method details may confer an advantage if they demonstrate unexpected commercial benefits or clinical efficacy.
  • Its combination with other patents could create a patent thicket for competitors.

4.4. Opportunities for Licensing and Collaboration

  • Licensing out to generic or biosimilar manufacturers.
  • Cross-licensing with competitors to avoid infringement.
  • Using the patent as a springboard for further innovation or combination therapies.

5. Validity and Enforcement Considerations

Aspect Implication Recommendation
Prior Art Must demonstrate novelty and non-obviousness Conduct comprehensive patent and publication searches
Claim Construction Precise interpretation affects infringement scope Clarify claim language in future legal proceedings
Potential Infringements Watch for similar active patents Infringement analysis pre-commercialization
Patent Term Expiration around 2030s Plan for patent extensions or supplementary protections

6. Supplemental Insights: Claims versus Claims of Related Patents

Aspect '886 Patent Related Patents Comparative Analysis
Scope Broad composition/method Narrower derivatives/formulations '886 offers general protection; related patents refine and narrow
Innovation Level Demonstrates improved stability or delivery Focused on specific derivatives '886’s broad scope increases enforceability but may face prior art challenges
Market Focus Applicable to multiple therapeutic areas Specific to certain diseases Broader applicability of '886 increases commercial potential

7. FAQs

Q1: Can the claims of U.S. Patent 7,744,886 be challenged for obviousness?
A: Yes. If prior art references demonstrate similar compounds and methods, the claims may face invalidation based on obviousness, especially if the claimed invention does not show a surprising advantage or unexpected result.

Q2: How does the patent landscape surrounding the '886 patent affect potential licensing strategies?
A: The density of overlapping patents suggests licensing negotiations could be complex. Strategic partnerships with patent holders may provide access rights and reduce infringement risks.

Q3: Are there specific claims in the '886 patent that are particularly vulnerable to patent challenges?
A: Claims that rely heavily on broad compound structures without detailed specificities or that overlap significantly with prior art are more vulnerable. Close review and possible claim narrowing could mitigate this risk.

Q4: How does the patent's scope compare to newer patents filed after 2010?
A: Newer filings tend to narrow scope or focus on specific derivatives, while the '886 patent maintains broad claims that could be challenged by more recent, targeted patents.

Q5: What measures can a licensee or infringer take to avoid infringement?
A: An infringement analysis should be conducted. If claims are broad, designing around claims or developing alternative delivery mechanisms and formulations can mitigate infringement risk.


8. Key Takeaways

  • The '886 patent presents broad coverage over specific pharmaceutical compositions and methods, establishing a strong strategic position.
  • Its claims are supported by structural, method-specific, and formulation-related language, but face potential validity challenges from prior art.
  • The patent landscape reveals intense competition, with multiple patent families covering similar compounds, delivery systems, and therapeutic methods.
  • Enforcement requires precise claim interpretation and ongoing monitoring of related patents.
  • Licensing, collaborations, or patent challenges should be informed by a nuanced understanding of both the scope and vulnerabilities of the '886 patent.

References

[1] United States Patent and Trademark Office, Patent Grant No. 7,744,886, 2010.
[2] Patent Landscape Reports, WIPO, 2022.
[3] Prior art publications and patent filings as publicly accessible via USPTO, EPO, and WIPO databases.
[4] Relevant legal statutes: 35 U.S.C. §§ 102, 103, 112.

More… ↓

⤷  Start Trial

Details for Patent 7,744,886

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Amgen Inc. PROLIA denosumab Injection 125320 June 01, 2010 ⤷  Start Trial 2028-06-24
Amgen Inc. XGEVA denosumab Injection 125320 November 18, 2010 ⤷  Start Trial 2028-06-24
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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