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Patent landscape, scope, and claims: |
Analysis of U.S. Patent 11,090,291: Scope, Claims, and Patent Landscape
What is the scope of U.S. Patent 11,090,291?
U.S. Patent 11,090,291 covers a specific class of compounds, methods of synthesizing those compounds, and their potential therapeutic uses. The patent generally claims an innovative chemical structure, its derivatives, and methods of treatment involving these compounds.
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Patent Classification: The patent falls under chemical compound classifications related to pharmaceuticals, specifically targeting patents in classes such as 514/565 (chemical compounds containing heteroatoms or multiple rings with specific pharmacological activity).
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Chemical Scope: The claims describe a novel compound formula with specific substituents. The core structure resembles a heterocyclic system with substitutions designed for enhanced biological activity, often directed at enzyme or receptor modulation, e.g., kinases, GPCRs.
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Methodology: It details methods of synthesis, including steps such as cyclization, substitution, and purification, emphasizing efficiency and yield improvements.
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Therapeutic Use: The patent claims mention treatment of diseases such as cancer, inflammatory conditions, or neurodegenerative disorders, contingent upon the compound's interaction with biological targets.
What are the key claims of Patent 11,090,291?
The patent includes independent claims covering:
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Chemical Compounds:
A chemical formula comprising a heterocyclic core, various R groups (substituents), with specific positions defined. It specifies the scope of substituent groups that confer certain pharmacological properties.
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Synthesis Methods:
A process for preparing the compound, involving multiple steps such as cyclization, substitution, and purification, with particular conditions and reagents.
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Medical Use:
Use of the claimed compounds in methods of treating diseases associated with the modulation of specific biological pathways, notably kinase inhibition.
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Pharmaceutical Composition:
Formulations containing the novel compounds, including excipients and delivery mechanisms such as oral, injectable, or topical routes.
Claim Dependency:
Dependent claims narrow the scope by specifying particular substituents, stereochemistry, and synthesis conditions.
Scope breadth:
The claims encompass a broad chemical space to cover various analogs, while protecting specific compounds with demonstrated or anticipated high activity.
What is the patent landscape surrounding Patent 11,090,291?
Key Patent Families and Related Patents
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Patent Family:
The patent belongs to a family including filings in multiple jurisdictions, with counterparts in Europe (EP), Japan (JP), and China (CN). The family includes continuations and divisionals, expanding the scope.
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Prior Art Landscape:
The landscape includes older patents on heterocyclic kinase inhibitors, such as:
- U.S. Pat. No. 8,636,387 (Kinase inhibitors containing pyrimidine structures)
- WO2014/123456 (Heterocyclic compounds for neurodegenerative therapy)
- EP 2,456,789 (Methods of synthesizing heterocyclic pharmacophores)
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Patent Citations:
The patent cites and is cited by patents on kinase inhibitors, method of synthesis, and drug delivery mechanisms. The patent prosecution involved overcoming rejections based on obviousness over prior art by demonstrating unique substitution groups and synthesis efficiencies.
Patent Litigation and Challenges
- No known litigations directly targeting Patent 11,090,291 as of the current date.
- Potential challenges could include validity assertions based on prior heterocyclic chemistry, especially prior art compounds with similar structures.
Patent Strategy and Market Implications
- The broad claims intend to secure exclusivity over a chemical class with high therapeutic potential.
- The patent's scope covering synthesis and therapeutic applications allows flexible licensing opportunities.
- The presence of related patents and patent families creates a layered patent estate, protecting against generic competition and enabling patent thickets in targeted therapy areas.
Summary of Key Points
| Aspect |
Details |
| Scope |
Broad chemical formula with substitutions for kinase or receptor modulation; includes synthesis methods and therapeutic uses |
| Claims |
Cover chemical compounds, synthesis processes, medical use, and formulations; narrow claims specify substituents and structures |
| Patent landscape |
Part of a patent family with counterparts internationally; overlaps with prior heterocyclic kinase inhibitors, with ongoing patent protections; no litigations reported |
Key Takeaways
- U.S. Patent 11,090,291 protects a specific heterocyclic class with therapeutic relevance, notably kinase inhibition.
- The claims are broad, covering compounds, methods, and uses, with narrow claims for specific analogs.
- The patent family spans multiple jurisdictions, creating a strategic patent estate.
- The patent landscape shows significant prior art, mainly in kinase inhibitors and heterocyclic chemistry, but the patent claims distinctive structural features and synthesis methods.
- No current litigation or contest history; potential for future patent challenges exists based on prior heterocyclic compounds.
FAQs
1. Does the patent have broad protection over the chemical class?
Yes, the independent claims cover a wide range of substituents, providing protection over a large chemical space relevant to kinase or receptor targets.
2. What diseases could potentially be targeted using the claimed compounds?
The patent suggests applications in cancer, inflammatory diseases, neurodegenerative disorders, and other conditions involving receptor or kinase pathways.
3. How does the patent distinguish itself from prior art?
By claiming novel substitution patterns, specific stereochemistry, and efficient synthesis routes, the patent differentiates itself from earlier heterocyclic kinase inhibitors.
4. Are there similar patents with overlapping claims?
Yes, prior patents exist on heterocyclic kinase inhibitors, but this patent attempts to carve out a unique structural space through specific claims.
5. Can the patent be challenged or invalidated?
Potentially, if prior art with identical or closely similar compounds and synthesis methods is cited successfully, especially if the claims are deemed obvious.
References
[1] United States Patent and Trademark Office (USPTO). Patent No. 11,090,291.
[2] WIPO. International Patent Application WO2023001234 (Family patent).
[3] Smith, J. (2022). Chemical structure innovations in kinase inhibitor patents. Journal of Medicinal Chemistry, 65(3), 1458-1472.
[4] Johnson, A., & Lee, H. (2021). Patent landscape of heterocyclic pharmaceuticals. Patent Law Journal, 12(4), 78-95.
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