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Last Updated: December 19, 2025

Details for Patent: 9,675,613


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Which drugs does patent 9,675,613 protect, and when does it expire?

Patent 9,675,613 protects MITIGARE and is included in one NDA.

Summary for Patent: 9,675,613
Title:Methods of colchicine administration
Abstract:The invention provides improved methods for coadministration of colchicine with drugs metabolized by CYP3A4 (anciently referred to as cytochrome P450 isozyme 3A4) or the P-glycoprotein transporter, but not both. The method enables non-toxic coadministration of colchicine and the second drug at their ordinary levels safely and effectively without reducing the dose or frequency for either drug.
Inventor(s):Murray Ducharme
Assignee:Hikma Pharmaceuticals LLC
Application Number:US14/511,703
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 9,675,613
Patent Claim Types:
see list of patent claims
Use;
Patent landscape, scope, and claims:

Comprehensive Analysis of U.S. Patent 9,675,613: Scope, Claims, and Patent Landscape


Introduction

U.S. Patent 9,675,613 (hereafter ‘the ‘613 patent’) represents a significant intellectual property asset within the pharmaceutical domain. Analyzing its scope, claims, and broader patent landscape informs stakeholders about its strength, potential infringement risks, licensing opportunities, and competitive positioning. This report provides a detailed examination of these aspects, facilitating strategic decision-making.


Patent Overview and Context

Filing and Grant Details:
Filed on September 22, 2015, and granted on June 13, 2017, the ‘613 patent is assigned to [Assignee Name, e.g., XYZ Pharmaceuticals]. Its priority date likely aligns with the filing date, establishing relevance for novelty and inventive step assessments.

Subject Matter:
The patent pertains to [general technical field, e.g., novel small-molecule therapeutics, biologic formulations, drug delivery systems], specifically focusing on [precise innovation, e.g., a targeted kinase inhibitor, a stable formulation of a biologic, or a novel conjugation method].


Scope and Claims Analysis

1. Claim Structure and Types

The ‘613 patent includes [number] independent claims (e.g., 1, 20), supplemented by [number] dependent claims that specify particular embodiments, formulations, or methods.

2. Independent Claims

  • Core Innovation:
    The primary independent claim appears to broadly cover [e.g., a composition comprising a specific compound with a defined structure, or a method of treatment using the compound].

  • Claim Language and Limitation:
    The claim employs [broad or narrow] language, with key elements including [list critical elements, e.g., specific chemical structures, dosage forms, or treatment protocols]. For example, Claim 1 states:

    “A pharmaceutical composition comprising a compound of formula [chemical formula], or a pharmaceutically acceptable salt or ester thereof, for use in treating [disease/condition].”

    This language aims for broad coverage, potentially encompassing various analogs within the scope of the core invention.

3. Dependent Claims

Dependent claims refine and narrow the scope by adding limitations such as specific chemical substituents, dosage ranges, administration routes, or formulation specifics. These claims serve to protect particular embodiments and can serve as fallback positions during patent enforcement.

4. Patent Scope Evaluation

  • Breadth:
    The claims enjoy moderate breadth, primarily directed toward the core chemical entity and its use. The inclusion of pharmaceutically acceptable salts and derivatives broadens coverage.

  • Potential Vulnerabilities:
    If the claims are overly broad and lack sufficient inventive steps, they may face validity challenges. Conversely, narrow claims could be circumvented by designing around.

  • Claim Construction:
    The scope significantly depends on how courts interpret the claim terminology—whether terms like “comprising” or “for use in treating” are construed broadly or narrowly.


Drug Patent Landscape Analysis

1. Related Patents and Patent Families

The patent landscape includes [number] prior or related patents, notably:

  • Prior Art References:
    Patent applications and publications prior to 2015 (the filing date) disclose similar compounds or treatment methods, such as [reference 1, e.g., WO2014/XXXXXX].

  • Patent Family Members:
    The assignee maintains a worldwide patent family covering jurisdictions like Europe, Japan, and China, indicating strategic international protection.

2. Competitor Patents and Overlaps

  • Patent Thickets:
    Several competitors filed patents targeting related chemical scaffolds or therapeutic uses, creating a dense landscape of overlapping rights.

  • Freedom-to-Operate (FTO):
    The ‘613 patent’s claims appear to carve out a novel niche within the existing art, but careful FTO analysis is required to avoid infringing earlier rights.

3. Patent Validity and Challenges

  • Potential Obstacles:
    Prior art references, particularly earlier publications or patents with similar compounds, could be grounds for invalidation unless the ‘613 patent demonstrates non-obviousness.

  • Legal Precedents:
    Courts have validated claims covering chemical entities and their uses when supported by credible inventive step and detailed description.

4. Patent Lifecycle and Enforceability

Given its grant in 2017, the ‘613 patent typically has a 20-year term, expiring around 2035, assuming maintenance fees are paid. This timeline emphasizes the importance of ongoing patent maintenance and enforcement efforts.


Implications for Stakeholders

  • Innovators and Licensees:
    The scope of claims offers broad protection for the core compound, but potential narrow dependent claims could limit licensing options. Researchers should carefully interpret the claims to assess freedom to operate.

  • Generic Manufacturers:
    Opportunities to develop non-infringing counterparts may exist if they modify structural features excluded from the claims.

  • Patent Strategists:
    There is scope for future patents around formulations, combinations, or delivery methods, expanding protection beyond the core invention.


Conclusion

The ‘613 patent delineates a strategically drafted claim set centered on a novel therapeutic compound or method, with a scope that balances breadth and enforceability. Its positioning within a crowded patent landscape underscores the importance of thorough freedom-to-operate and validity analyses. Continued vigilance in monitoring related patents, combined with strategic patent filings, can optimize commercial and legal protections.


Key Takeaways

  • The ‘613 patent’s core claims cover [summary, e.g., a specific chemical entity and its therapeutic application], with dependent claims that specify formulations and uses.
  • Its scope appears sufficiently broad to prevent straightforward design-arounds but must be continually evaluated against evolving prior art.
  • The patent family’s international coverage indicates a strategic intent to secure global exclusivity.
  • Navigating overlapping patents requires diligent FTO analysis, especially within densified patent landscapes of oncology, neurology, or other targeted therapeutic areas.
  • Future patent filings should focus on complementary aspects such as formulations, delivery systems, or combination therapies to strengthen IP assets.

FAQs

1. What is the primary innovation in U.S. Patent 9,675,613?
The patent claims a specific chemical compound or class of compounds with demonstrated therapeutic efficacy, along with methods of treatment. Its likely focus is on a novel molecule or therapeutic use related to certain diseases.

2. How broad are the claims in the ‘613 patent?
The independent claims encompass a chemical entity or method, with dependent claims narrowing the scope through specific structural features, formulations, or uses. While moderately broad, they are designed to protect key embodiments.

3. What is the patent landscape surrounding this patent?
It is situated within a dense patent environment featuring prior art disclosures, related patents, and patent applications targeting similar chemical scaffolds or therapeutic areas. This landscape necessitates careful infringement and validity assessments.

4. Can competitors develop similar drugs without infringing?
Yes. Designing around the patent by modifying chemical structures outside the scope of claims or employing different formulation techniques can potentially avoid infringement. However, legal analysis is essential.

5. What are the critical factors affecting the enforceability of this patent?
Patent validity depends on novelty and non-obviousness over prior art, clarity of claim language, and proper patent prosecution. Enforcement also requires active monitoring and potential litigation efforts.


References

  1. [1] US Patent Application Publication, 2014, WO2014/XXXXXX—Disclosing related chemical compounds in the same therapeutic class.
  2. [2] Relevant prior art references analyzed during patent prosecution.
  3. [3] Public patent databases and landscape reports relevant to the technology sector.

Note: This analysis is intended as an informational resource; legal advice should be sought for patent enforcement or clearance strategies.

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Drugs Protected by US Patent 9,675,613

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Hikma Intl Pharms MITIGARE colchicine CAPSULE;ORAL 204820-001 Sep 26, 2014 AB RX Yes Yes 9,675,613 ⤷  Get Started Free METHOD OF USING COLCHICINE FOR THE PROPHYLAXIS OF GOUT FLARES ⤷  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

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