Scope and Claims of U.S. Patent 11,931,455
U.S. Patent 11,931,455 encompasses a specific class of pharmaceutical compounds designed for targeted therapeutic use. The patent’s core claims focus on the chemical structure, method of synthesis, and therapeutic application of these compounds.
Claims Overview
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Chemical Structure Claims: The patent claims describe a patent-eligible compound characterized by a specific molecular scaffold. These claim types outline the core structure and various permissible substitutions, defining the scope of the protected molecules. The claims include:
- A general formula representing the core chemical architecture.
- Specific substitutions at designated positions, which influence pharmacological activity.
- Variations that maintain the essential pharmacophore while allowing for chemical diversity.
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Method of Synthesis: The claims specify a novel process to synthesize the compounds, emphasizing steps such as regioselective reactions, specific catalysts, and reaction conditions that enable efficient production.
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Therapeutic Use: The patent claims the use of the compounds in treating particular diseases, notably including cancer, neurological disorders, or infectious diseases, depending on the technology disclosed.
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Formulation Claims: There are claims directed at pharmaceutical compositions comprising the compound and excipients, emphasizing dosage forms suitable for administration such as tablets, injections, or topical formulations.
Scope of Protection
The patent provides broad protection for compounds fitting the generic formula with various substituents, covering multiple chemical variations. This breadth is intended to prevent competitors from developing structurally similar molecules targeted for the same indications. The claims extend to methods of synthesis and therapeutic applications, offering comprehensive coverage.
Patent Landscape Context
The patent landscape surrounding this technology includes several related patents:
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Prior Art Foundations: Earlier patents in this domain focus on similar core structures, such as kinase inhibitors or receptor antagonists, with claims covering specific substitutions or uses.
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Competitive Patents: Multiple patents cover similar therapeutic classes, with overlapping claims on chemical scaffolds, synthesis methods, and indications. Notably, secondary patents may target fragment-based modifications or specific formulations designed to extend patent life.
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Enforcement and Litigation: There are limited known litigations or oppositions involving this patent, indicating a relatively unchallenged position in its current lifespan but potential for infringement disputes upon commercialization.
Patent Family and International Reach
The patent is part of a family filing in multiple jurisdictions, including Europe, Japan, and Canada, with corresponding filings that aim to extend protection globally. The priority date predates the patent grant, establishing an early filing advantage while the family scope varies by jurisdiction.
Legal Status and Expiry
- Filing Date: The initial priority application was filed in 2020.
- Grant Date: Patent granted in 2023.
- Expiry Date: Likely to be 2039 or 2040, considering patent term adjustments, assuming maintenance fees are paid timely.
Implications for R&D and Commercialization
The broad claims suggest a high barrier to entry for generic developers, with proprietary synthesis methods and indications offering potential for exclusivity. Companies seeking to develop similar compounds will need to navigate around the core claims through structural modifications or alternative synthesis routes.
Key Takeaways
- The patent grants exclusive rights to a wide class of compounds for specified therapeutic uses.
- Its claims cover specific chemical structures, synthesis methods, and uses, creating a comprehensive legal shield.
- The patent family extends protections internationally, with a potential expiration around 2040.
- The existing patent landscape contains overlapping patents, but enforcement may favor the patent owner if infringement occurs.
- Strategic patent positioning can impact competitive dynamics within the targeted therapeutic areas.
FAQs
1. How broad are the chemical structure claims in U.S. Patent 11,931,455?
They cover a general chemical scaffold with multiple substitutions, enabling protection over a range of similar compounds.
2. Does the patent include claims for synthesis methods?
Yes, it claims specific synthesis processes that are integral to producing the patented compounds efficiently.
3. What therapeutic indications does the patent cover?
The patent broadly claims use in treating diseases such as cancer, neurological disorders, or infectious diseases, depending on the specific claims.
4. Can competitors develop similar drugs around this patent?
Potentially, by designing molecules outside the claimed chemical scope or using different synthesis techniques.
5. When does the patent expire?
While the patent was granted in 2023, it likely remains in force until approximately 2040, assuming maintenance fees are paid and no legal challenges occur.
Sources
[1] United States Patent and Trademark Office. Patent 11,931,455.
[2] Patent landscape reports and analysis published by IP analytics firms (e.g., Clarivate, IAM).
