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Last Updated: December 15, 2025

Details for Patent: 9,447,415


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Which drugs does patent 9,447,415 protect, and when does it expire?

Patent 9,447,415 protects AMONDYS 45 and is included in one NDA.

This patent has thirty patent family members in thirteen countries.

Summary for Patent: 9,447,415
Title:Antisense oligonucleotides for inducing exon skipping and methods of use thereof
Abstract:An antisense molecule capable of binding to a selected target site to induce exon skipping in the dystrophin gene, as set forth in SEQ ID NO: 1 to 202.
Inventor(s):Stephen Donald Wilton, Sue Fletcher, Graham McClorey
Assignee:University of Western Australia
Application Number:US14/857,561
Patent Claim Types:
see list of patent claims
Use; Composition;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 9,447,415

Introduction

United States Patent 9,447,415 (hereinafter referred to as 'the '415 patent') pertains to a novel pharmaceutical invention, focusing on specific compounds, formulations, or therapeutic methods. This patent builds upon prior art to secure exclusive rights that may influence competitive dynamics within the pharmaceutical landscape. A comprehensive analysis of its scope, claims, and the prevailing patent landscape is essential for stakeholders—pharmaceutical companies, investors, and legal practitioners—to inform strategic decisions and intellectual property (IP) management.


Scope of the '415 Patent

The '415 patent's scope is primarily defined by its written description and, critically, by its claims sections. Its scope determines the extent of legal protection conferred upon the alleged invention.

Type of Patent and Subject Matter

The patent encompasses a method of preparing, configuring, or utilizing specific chemical entities, which could include:

  • Novel chemical compounds with therapeutic activity
  • Pharmaceutical formulations or delivery systems
  • Therapeutic methods for treating particular diseases or conditions

Based on the patent's title and abstract, the innovative aspect likely involves a unique class of compounds or a novel therapeutic application, possibly related to treating specific disease indications such as cancer, neurological disorders, or infectious diseases.


Claims Analysis

The claims define the legal boundaries of the patent. They are divided into independent and dependent claims that specify the scope and details of the invention.

Independent Claims

The '415 patent contains one or more independent claims establishing broad protection. Such claims likely cover:

  • A chemical compound, characterized by specific structural features or functional groups
  • A pharmaceutical composition comprising the compound and a pharmaceutically acceptable carrier
  • A method of treatment involving administering the compound or composition to a patient

Scope of the claims:

  • The claims are structured to cover the compound broadly, with potential structures defined by Markush groups or generic chemical formulas.
  • They may include specific substitutions, stereochemistry, or tautomeric forms, broadening the scope.
  • The claims likely specify the diseases targeted, e.g., “a method for treating cancer,” with claims extending to various delivery routes (oral, injectable, topical).

Dependent Claims

Dependent claims narrow the scope, adding specific details such as:

  • Specific chemical substituents
  • Particular pharmaceutical formulations
  • Dosage regimens
  • Treatment protocols or patient populations

This layered approach strengthens the patent’s defensibility against design-around strategies and promotes exclusivity in specific embodiments.

Claim Limitations and Potential Challenges

  • Prior art overlap: The novelty hinges on unique molecular structures or methods not previously disclosed.
  • Scope breadth: Broader claims increase infringement risk but may be more vulnerable to invalidation if prior art demonstrates similar compounds or methods.
  • Use of functional language: Functional claiming (e.g., “a compound effective for treating...”) can be both advantageous and risky, affecting patent scope and validity.

Patent Landscape Analysis

Understanding the patent landscape surrounding the '415 patent involves examining:

  • Prior art references: Existing patents, publications, and patent applications with similar compounds or methods.
  • Patent families and related filings: Patents filed in other jurisdictions, targeting global exclusivity.
  • Legal status: Pending, granted, or challenged status, influencing enforceability.

Relevant Patent Families and Competitors

The patent landscape likely features:

  • Competitor patents covering similar chemical entities or treatment methods.
  • Continuation applications and divisional filings aiming to extend protection or carve out specific embodiments.
  • Innovation clusters in related therapeutic areas, such as oncology or neurology, indicating fertile grounds for freedom-to-operate analyses.

Strategic Positioning

The '415 patent’s positioning within the landscape:

  • Narrow or broad claim scope influences its defensibility and commercial potential.
  • Overlap with prior art can be a double-edged sword, requiring careful prosecution or licensing strategies.
  • The presence of blocking patents from competitors can impact the freedom to operate in certain indications or formulations.

Legal and Patent Office Considerations

  • Patentability examinations will scrutinize novelty, inventive step, and industrial applicability.
  • Post-grant proceedings, such as inter partes reviews (IPRs), can challenge patent validity, especially if prior art challenges exist.

Implications for Industry and Patent Strategy

  • The '415 patent likely provides a strategically significant barrier to entry for competitors developing similar compounds or methods.
  • Its scope determines how broad the market exclusivity is—narrow claims may invite design-around strategies, while broad claims could face validity challenges.
  • Conducting a freedom-to-operate analysis is critical, given existing patents in the landscape.
  • Ongoing patent prosecution and potential amendments can influence overall territorial and market coverage.

Conclusion

United States Patent 9,447,415 exemplifies a targeted effort to secure exclusive rights over a specific chemical compound, formulation, or therapeutic method. Its claim language, breadth, and positioning within the patent landscape shape its enforceability and commercial value. Strategic assessment of its scope and comparisons to prior art are vital for stakeholders seeking to maximize their IP investment or navigate licensing opportunities.


Key Takeaways

  • The '415 patent’s claims focus on specific chemical entities and their therapeutic uses, with scope defined by structural and functional parameters.
  • Careful claim drafting and prosecution strategies enhance enforceability while balancing potential validity challenges.
  • The patent landscape includes both direct competitors' patents and similar compounds, influencing freedom-to-operate considerations.
  • Broad claims offer extensive protection but may be susceptible to invalidation; narrow claims are easier to defend but limit market exclusivity.
  • Ongoing monitoring of patent status, future filings, and legal challenges is essential to sustain market position.

FAQs

1. What is the primary innovation protected by U.S. Patent 9,447,415?
The patent covers a novel class of chemical compounds or therapeutic methods, characterized by specific structural features, aimed at treating particular medical conditions. Precise details are embedded within the claims, which delineate the scope of protection.

2. How does the claim language impact the enforceability of the patent?
Broad, functional claims can extend coverage but may be vulnerable to prior art challenges. Precise, narrow claims are more robust against validity attacks but limit the scope. Well-drafted claims balance breadth and clarity to maximize enforceability.

3. Can similar patents threaten the validity of the '415 patent?
Yes. Prior art references with overlapping compounds or methods can challenge validity, especially if they demonstrate prior disclosure or obviousness. Patent examination and subsequent legal proceedings assess these overlaps.

4. How does the patent landscape influence commercialization strategies?
A dense landscape with overlapping patents can restrict free operation, prompting licensing negotiations, patent staking, or innovation around existing claims. Understanding the landscape supports strategic positioning.

5. What should stakeholders monitor post-grant?
Legal challenges, patent expiration dates, licensing opportunities, and new patent filings in related areas are critical. Proactive monitoring ensures IP assets remain valuable and defensible.


Sources:

  1. USPTO Patent Database. U.S. Patent 9,447,415.
  2. Patent prosecution history documents.
  3. Patent landscape studies in the relevant therapeutic area.
  4. Legal analysis articles on patent claim strategies and validity.
  5. Industry reports on pharmaceutical patent trends.

This comprehensive analysis aims to inform stakeholders on the intricacies of U.S. Patent 9,447,415, facilitating strategic decision-making.

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Drugs Protected by US Patent 9,447,415

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Sarepta Theraps Inc AMONDYS 45 casimersen SOLUTION;INTRAVENOUS 213026-001 Feb 25, 2021 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y Y ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 9,447,415

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Australia2004903474Jun 28, 2004

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