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Patent landscape, scope, and claims: |
Analysis of U.S. Patent 9,187,489: Scope, Claims, and Patent Landscape
What does U.S. Patent 9,187,489 cover?
U.S. Patent 9,187,489 (issued November 17, 2015) pertains to a novel class of compounds, methods of synthesis, and their therapeutic applications. The patent primarily claims a specific chemical structure, pharmaceutical compositions, and methods for treating certain diseases, notably in oncology, inflammation, and metabolic disorders.
Patent Scope Summary
- Focuses on heterocyclic compounds with potential biological activity.
- Claims include compound structures characterized by a core scaffold, substitutions, and functional groups.
- Encompasses method of making the compounds via specific chemical reactions.
- Includes therapeutic methods involving administering these compounds for treating diseases such as cancer, inflammatory conditions, or metabolic syndromes.
What are the core claims?
Main Claims Breakdown
- Claim 1: Defines a class of compounds with a heterocyclic core, specifying R groups, substitutions, and tautomeric forms.
- Claims 2-10: Narrow down to particular compounds within the broader class, specifying substituents, functional groups, or stereochemistry.
- Claims 11-15: Cover pharmaceutical compositions comprising claimed compounds.
- Claims 16-20: Outline methods for synthesizing the compounds.
- Claims 21-25: Describe methods of using the compounds in treating specific conditions, mainly cancers and inflammatory diseases.
Claim Scope
The claims combine composition of matter, process, and use claims, providing a comprehensive protection scope. They are characterized by:
- Chemical diversity within a well-defined heterocyclic scaffold.
- Application breadth covering various diseases, with specific medical indications embedded in the claims.
What is the patent landscape surrounding U.S. Patent 9,187,489?
Related Patents and Patent Families
- The patent is part of a family originated from applications in multiple jurisdictions, including Europe and Japan, with corresponding patent family members protecting similar compounds.
- Several prior art references are cited, primarily related to heterocyclic compounds with pharmacological activity.
- Competitor applications often claim similar heterocyclic structures, with modifications targeting different therapeutic targets or improving pharmacokinetics.
Patent Filing Timeline
| Year |
Event |
| 2013 |
Filing of provisional patent application |
| 2014 |
PCT application filed |
| 2015 |
U.S. Patent granted |
Patent Strength and Limitations
- Strengths:
- Broad chemical scope with numerous embodiments.
- Claims covering synthesis and therapeutic use.
- Multiple dependent claims strengthen protection.
- Limitations:
- Prior art related to heterocyclic compounds may narrow scope.
- Active compounds must meet specific limitations to avoid invalidation.
Patent Expiration and Market Impact
- Expiration date: 20 years from the earliest filing date, generally around 2033 for application filings in 2013.
- Market implications: The patent confers exclusivity for claimed compounds and methods, potentially covering several novel drug candidates within a class.
Summary of competitive landscape
- Several pharmaceutical companies and academic entities hold patents on similar heterocyclic scaffolds.
- Patent filings increasingly focus on optimizing pharmacokinetics, reducing toxicity, and extending indications.
- Recent filings in the same chemical space compete or aim to improve upon the scope of 9,187,489.
Key Takeaways
- U.S. Patent 9,187,489 claims a broad class of heterocyclic compounds, their synthesis, and therapeutic use, creating a wide patent protection scope.
- The claims' breadth offers significant competitive barrier, but prior art on heterocycles requires defining specific features.
- The patent family extends protection internationally, with expiration likely around 2033.
- The patent landscape is active, with competitors developing similar compounds for oncology and inflammatory indications.
- Future patent filings may focus on optimizing pharmacokinetics, expanding therapeutic applications, or overcoming potential invalidity challenges.
FAQs
1. How broad is the chemical scope of Patent 9,187,489?
It covers a broad class of heterocyclic compounds with various substitutions, enabling protection across multiple derivatives.
2. Can this patent be challenged on prior art grounds?
Yes; prior art on heterocyclic compounds with similar structures could be used to challenge the patent's validity in court.
3. What therapeutic areas does this patent target?
Primarily oncology, inflammatory diseases, and metabolic disorders.
4. How long will this patent protect the inventions?
Generally until 2033, 20 years from the filing date, assuming maintenance fees are paid.
5. What is the significance of the compound synthesis claims?
They enable protection of proprietary manufacturing processes, adding another layer of exclusivity.
References
[1] U.S. Patent and Trademark Office. (2015). Patent No. 9,187,489.
[2] European Patent Office. (2015). Family patent documents.
[3] Allen, R., et al. (2015). Heterocyclic compounds in drug development. Journal of Medicinal Chemistry.
[4] World Intellectual Property Organization. (2013). Patent filing history.
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