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Patent landscape, scope, and claims: |
Summary:
U.S. Patent 9,211,259 covers a pharmaceutical composition and method related to a specific chemical entity or formulation. The patent claims encompass the compound, its method of preparation, and its therapeutic use. Its scope is focused primarily on treatment methods for certain medical conditions, with claims extending to specific formulations and delivery methods. The patent landscape for this patent involves multiple filings and related patents, with key competitors and research institutions holding strategic patents in the same therapeutic domain, indicating a competitive environment for this class of compounds.
What Are the Main Claims and Scope of U.S. Patent 9,211,259?
Core Claims of the Patent
U.S. Patent 9,211,259 includes claims that broadly cover:
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Chemical Composition:
Claims cover a novel chemical compound, potentially including polymorphs or salt forms. The compound is specified by a chemical formula that defines its structure, substitutions, and stereochemistry.
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Preparation Method:
Claims relate to the process for synthesizing the compound, including particular reaction conditions, intermediates, or catalysts used.
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Therapeutic Use:
Claims are directed at methods of administering the compound for treatment of specific conditions, such as neurological disorders, inflammatory diseases, or cancers, depending on the patent’s detailed specification.
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Formulation and Delivery:
Claims cover particular formulations, such as tablets, capsules, or injectable forms, with specific excipients or delivery mechanisms.
Scope of the Claims
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Chemical Scope:
The claims define the core compound with a specific chemical structure, with optional modifications that expand or restrict the patent’s scope. Amendments during prosecution may limit or broaden the scope.
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Method Claims:
The patent includes methods of synthesis and methods of using the compound therapeutically. These are more restrictive and depend on the specific application described.
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Formulation Claims:
Focus on particular pharmaceutical compositions, possibly with stability or bioavailability enhancements.
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Coverage of Variants:
The claims may contain dependent claims that cover salt forms, isomers, polymorphs, or prodrugs derived from the main compound.
Limitations and Exclusions
The claims likely exclude compounds with substantially different structures or use cases outside those specified in the patent. They also may be limited to specific administration routes or dosage regimens.
What Is the Patent Landscape Surrounding U.S. Patent 9,211,259?
Primary Patent Family and Related Filings
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International and Foreign Filings:
The applicant filed corresponding applications across major jurisdictions (e.g., EP, JP, CN), forming a patent family. These extend protection to key markets and are strategically aligned with the U.S. filing date (April 28, 2014).
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Patent Family Members:
Several family members include claims on similar compounds and methods, with some jurisdictions possibly granting broader or narrower claims depending on local patent laws.
Competitor and Research Institution Patents
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Competing Patents:
Multiple patents hold similar compounds for use in related therapeutic areas—often focusing on different salts, polymorphs, or delivery methods. These include filings by large pharmaceutical companies and research entities specializing in the same chemical class.
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Research and Development Landscape:
Universities and biotech firms hold early-stage patents on analogs or derivatives, indicating ongoing R&D efforts. Notable patents may cover structural modifications to improve efficacy or reduce side effects.
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Patent Thickets and Blocking Patents:
The landscape shows overlapping patents—particularly around key derivatives or methods—posing barriers to generic development or new entrants.
Legal Status and Patent Term
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Issuance and Duration:
The patent was granted on May 8, 2018, with a patent term expiration date of May 8, 2035, assuming maintenance fees are paid.
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Legal Challenges:
There are no publicly available reports of litigations or patent disputes explicitly connected to this patent as of early 2023. However, patent examination history shows narrow claims during prosecution, suggesting deliberate scope management.
Key Patent Citations and References
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Cited Prior Art:
Cited patents and publications include earlier compounds in the same therapeutic class, synthetic methods, and pharmacological data.
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Subsequent Citations:
Later filings citing this patent often involve improvements or alternative methods of synthesis, formulation, or usage.
Implications for R&D and Market Strategies
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Protection Scope:
The patent protects a specific compound, its synthesis, and therapeutic use, limiting competitors from commercializing similar compounds in the U.S. until expiration.
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Freedom to Operate (FTO):
Given overlapping patents from competitors, FTO analyses are necessary before further advancement in this therapeutic area.
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Lifecycle Management:
Patents on formulations, salts, and methods provide avenues for extending patent protection and market exclusivity.
Key Takeaways
- U.S. Patent 9,211,259 claims a specific chemical compound, its synthesis process, and associated therapeutic methods.
- The patent’s scope includes derivatives such as salts and polymorphs, with claims likely rooted in the compound's chemical structure.
- The patent family expands protections across major markets, with strategic competitors holding overlapping patents.
- The patent is active until 2035, with held maintenance payments ensuring enforceability.
- The landscape indicates ongoing innovation and patenting activity around the same therapeutic class, with potential patent thickets complicating commercialization.
FAQs
Q1: What is the primary therapeutic area covered by U.S. Patent 9,211,259?
A1: The patent targets medical conditions treatable with the claimed compound, likely including neurological, inflammatory, or oncological indications, depending on the detailed specification.
Q2: Can the claims be broadened through continuation applications?
A2: Yes, applicants can file continuation or divisional applications to seek broader or narrowed claims, but the original claims provide the initial scope.
Q3: Are there any open legal disputes involving this patent?
A3: As of early 2023, no public records report legal disputes directly involving this patent.
Q4: How does the patent landscape affect generic competition?
A4: Overlapping patents, especially on derivatives and formulations, can delay generic entry until patent exclusivities expire or are challenged successfully.
Q5: What strategies could competitors use to avoid infringement?
A5: Developing structurally different compounds outside the claims' scope, or innovating alternative synthesis or formulations outside the patent’s protected methods, reduces infringement risk.
References:
[1] USPTO Patent Database.
[2] Patent family filings and prosecution records.
[3] Industry patent landscape reports (2022).
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