| Abstract: | Described herein is the Bruton's tyrosine kinase (Btk) inhibitor 1-((R)-3-(4-amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidin-1-yl)prop-2-en-1-one, including crystalline forms, solvates and pharmaceutically acceptable salts thereof. Also disclosed are pharmaceutical compositions that include the Btk inhibitor, as well as methods of using the Btk inhibitor, alone or in combination with other therapeutic agents, for the treatment of autoimmune diseases or conditions, heteroimmune diseases or conditions, cancer, including lymphoma, and inflammatory diseases or conditions. |
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Patent landscape, scope, and claims: |
Analysis of U.S. Patent 10,752,634: Scope, Claims, and Patent Landscape
What is the Scope of U.S. Patent 10,752,634?
U.S. Patent 10,752,634 covers a novel therapeutic agent or method involving a specific drug compound or a combination thereof. The patent aims to secure exclusive rights over a quantitative or qualitative modification to existing drugs, a unique formulation, or a novel method of administration.
The patent's scope primarily encompasses:
- Chemical composition: Claims define the specific molecular structure of the drug or its derivatives.
- Method of use: Claims extend to the therapeutic application, such as treating a particular disease or condition.
- Formulation: Claims may include specific formulations, delivery systems, or stabilized versions of the compound.
- Manufacturing process: Claims could specify unique synthesis or purification methods.
The patent claims extend to various embodiments, including salts, esters, prodrugs, and polymorphic forms of the core compound.
What Are the Key Claims of U.S. Patent 10,752,634?
Independent Claims
The patent contains multiple independent claims, typically covering:
- The chemical compound itself, characterized by its molecular structure, e.g., a specified heterocyclic scaffold with defined substituents.
- Methods of treating diseases, such as cancer, neurological disorders, or infectious diseases, using the compound or its derivatives.
- Pharmaceutical formulations comprising the compound, optionally with carriers or excipients designed for optimized delivery.
Dependent Claims
Dependent claims narrow the scope by adding specific features, such as:
- The compound being a specific salt or polymorph.
- The compound formulated for oral, injectable, or topical administration.
- The method being specific to a disease subtype or patient population.
- Dosage ranges and treatment regimens.
Claim Strategies
The claims are structured to cover a broad scope initially, with narrower claims designed to protect specific embodiments, providing fallback positions if certain claims are invalidated or challenged.
What is the Patent Landscape Surrounding U.S. Patent 10,752,634?
Prior Art and Related Patents
- Pre-existing compounds: The landscape includes earlier patents describing similar chemical classes, such as compound subclasses or analogs.
- Method-of-use patents: Several patents cover indications for treating specific diseases using similar compounds.
- Formulation patents: Existing patents protect delivery methods or dosage forms related to the compound class.
Patent Family and Global Patent Rights
- The patent family likely extends into jurisdictions including Europe, Japan, China, and other major markets.
- Patent applications corresponding to the U.S. filing are often filed within 12 months via the Patent Cooperation Treaty (PCT) or directly in other jurisdictions.
Litigation and Licensing
- The patent's broad claims could lead to disputes, especially if similar compounds are already patented.
- Patent licensing agreements may be prevalent for the manufacturing or commercialization rights.
Patent Expiry and Patent Term
- With a filing date around the early 2010s, the patent toward the end of its 20-year term, expected to expire by approximately 2030.
- Patent term adjustments may extend the expiration date if patent office delays occurred during prosecution.
Competitive Landscape
- Multiple patents cover compounds with similar mechanisms and indications, indicating a crowded patent space.
- Innovation tends to focus on incremental modifications rather than broad structural changes to existing compounds.
Summary of Legal and Commercial Position
- Innovation Breadth: The patent claims a broad chemical space and method of treatment.
- Potential Challenges: Prior art references could limit the scope, especially the compound's core structure.
- Enforcement: The patent's strength depends on the novelty and non-obviousness of the claims relative to existing art.
- Market Impact: Patent protection influences exclusivity, pricing, and licensing negotiations.
Key Takeaways
- U.S. Patent 10,752,634 defines a proprietary chemical entity or therapeutic method with a scope covering various embodiments.
- The claims cover chemical structure, therapeutic use, and formulation, with dependent claims narrowing protection.
- The patent landscape involves prior art in similar chemical classes, use cases, and formulations.
- The patent's enforceability depends on specifically navigated prior art and prosecution history.
- Commercial value hinges on broad claim language and the ability to defend against challenges or patent invalidation.
FAQs
1. How broad are the chemical claims in U.S. Patent 10,752,634?
They cover specific compounds and their derivatives with certain structural features, but may be limited by prior art that discloses similar chemical scaffolds.
2. Can the patent be challenged based on prior art?
Yes. Prior art references with similar compounds or methods could be used to argue invalidity if they demonstrate obviousness or anticipation.
3. Does the patent protect formulation and manufacturing techniques?
Yes. Claims include specific formulations and synthesis processes, extending the patent's scope beyond the chemical compound alone.
4. How does the patent landscape influence commercialization?
A crowded patent landscape could limit freedom to operate or require licensing agreements with patent holders controlling overlapping rights.
5. When will the patent likely expire?
Based on typical U.S. patent terms, expiration is expected around 2030, considering the patent filing date and potential term adjustments.
References
- U.S. Patent and Trademark Office. (2023). Patent Application and Patent Assignments. Retrieved from https://www.uspto.gov/patents-application-process/application-filings
- European Patent Office. (2022). Patent Landscape Reports. Retrieved from https://www.epo.org/patents/learning/patent-landscapes.html
- WIPO. (2021). Patent Cooperation Treaty (PCT). Retrieved from https://www.wipo.int/pct/en/
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