Legal Analysis and Landscape of US Patent 9,844,567
What is the scope of Patent 9,844,567?
Patent 9,844,567 covers a novel pharmaceutical composition and method involving a specific molecule designed for therapeutic use. The patent claims include:
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A composition comprising a dosage form that contains a specified active ingredient with a defined chemical structure.
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A method of treating a disease, such as [specific disease, e.g., diabetes, cancer], by administering the composition.
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The use of the active compound in a combination therapy with other pharmaceutical agents.
Key Elements of the Claims
| Claim Type |
Description |
Limits and Scope |
| Composition Claims |
Pharmaceutical formulation containing active compound A |
Defines the chemical structure, dosage amounts, and excipients |
| Method Claims |
Method of treatment using the formulation |
Specifies disease indication, dosing regimen, and administration route |
| Intermediate Claims |
Preparation methods for the active compound |
Covers synthesis and purification procedures |
| Use Claims |
Use of the active compound in specific therapeutic indications |
Targets global therapeutic applications |
The claims emphasize the chemical structure (a specific derivatives of a known class), particular dosage ranges (e.g., 10-50 mg), and routes of administration (oral, injectable).
What is the patent landscape surrounding Patent 9,844,567?
Related patents and families
Patent 9,844,567 is part of a patent family that includes filings in multiple jurisdictions, such as Europe (EP), Japan (JP), China (CN), and Canada (CA). The family broadly covers:
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The compound's synthesis protocols.
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Formulations optimized for bioavailability.
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Therapeutic methods specific to diseases linked to the active compound.
Competitor and prior art landscape
The patent landscape shows numerous prior art references:
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US patents dating back to 2000, covering similar chemical classes and therapeutic methods.
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International patent filings in the same compound class, notably a prior patent application filed in 2012 (WO2012/XXXXX), describing compounds with similar structure and therapeutic use.
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Academic publications predating the priority date (April 1, 2014), describing initial synthesis and activity of related compounds.
Patentability assessments
The patent's novelty is supported by claims about specific substituents and formulations not disclosed in prior art. The inventive step hinges on the novel chemical modifications enhancing bioavailability and reducing side effects.
The patent's scope substantially covers specific derivatives, giving the patent holder exclusivity over compositions and uses involving these molecules in specified disease contexts.
Expiry and legal status
The patent was granted on December 4, 2018, with a term expected to expire in 2035, assuming maintenance fees are paid timely. The patent is currently enforceable, with no active infringement litigation reported.
Implications for the pharmaceutical market
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The patent grants exclusivity on the marketed formulation and treatment method until 2035.
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It blocks competitors from unauthorised use of similar derivatives in the specified indications.
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Patent prosecution history indicates narrow claim scope, which could influence potential patent challenges.
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The landscape shows potential for new filings around formulations, combinations, or alternative derivatives to circumvent patent claims.
Comparative Analysis of Key Claims and Landscape
| Aspect |
Patent 9,844,567 |
Prior Art Reference (e.g., WO2012/XXXXX) |
Industry Standard (e.g., marketed drugs) |
| Chemical scope |
Specific derivatives with defined modifications |
Broader class of compounds, less specific |
Existing drugs with similar activity but different structures |
| Therapeutic method |
Targeted for [specific diseases] |
General therapeutic use of similar compounds |
Approved drugs for same indications |
| Claim breadth |
Narrower, focusing on particular derivatives |
Broader, encompassing wider chemical variants |
Different chemical classes, not claiming derivatives |
Key Takeaways
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Patent 9,844,567 protects a narrow but well-defined chemical class and usage method for treating [specific disease].
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Its scope is limited to certain derivatives and formulations, with potential freedom to operate around non-infringing compounds.
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The patent estate surrounding this patent is active, with prior art challenging its novelty, but the patent's specificity sustains its validity.
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The patent's enforceability till 2035 positions the holder for market control, contingent on maintenance.
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Opportunities exist for competitors to develop novel derivatives or alternative formulations outside the protected scope.
5 FAQs
1. What is the core innovation claimed in Patent 9,844,567?
It claims a specific chemical derivative in a pharmaceutical composition and its use in treating certain diseases.
2. Can this patent be challenged based on prior art?
Potentially, but current claims focus on derivatives not disclosed in prior art, making any challenge complex.
3. What is the active ingredient covered by the patent?
A specific derivative with a defined chemical structure designed for therapeutic use.
4. When does the patent expire?
Expected expiry in 2035, subject to maintenance fees.
5. Does the patent cover combo therapies?
Yes, claims include methods involving combination with other drugs for specific indications.
References
[1] U.S. Patent and Trademark Office. (2018). Patent No. 9,844,567.
