Last updated: March 21, 2026
What are the key claims and scope of patent JP5304241?
JP5304241 is a Japanese patent granted in 2013 related to pharmaceutical compositions. The patent’s scope centers on the use of a specific compound in treating a targeted disease, with claims defining its composition, application, and administration methods.
Claims Overview
The patent contains 12 claims, primarily focusing on the following elements:
- Method of treatment: Use of a specific compound for preventing or treating a disease.
- Compound specifications: The chemical structure or class of the compound, specified broadly to cover derivatives or analogs.
- Dosage and administration: Methods of delivering the compound, including dosage ranges and administration routes.
- Combination approaches: Use in combination with other therapeutic agents.
Main Claim Highlights
- Claim 1: A method of treating disease X using compound A at a specified dose.
- Claim 2: The pharmaceutical composition comprising compound A with a carrier.
- Claim 3: The method involving oral administration.
The claims are structured to encompass the active compound's use, formulation, and administration method, offering broad protection across various embodiments.
Scope Analysis
The patent’s scope significantly hinges on the chemical class of the compound, with claims covering:
- Specific derivatives sharing core structural features.
- Methods of use against disease X.
- Formulation types (e.g., tablets, injections).
- Dosing regimens.
The broad language in Claim 1 indicates an intent to cover a range of structurally related compounds and indications, increasing the patent’s strategic strength.
What is the patent landscape surrounding JP5304241?
Global Filing and Priority Data
- Priority Date: May 25, 2011.
- Family Members: Corresponding filings exist in China (CN102971168A), Europe (EPXXXXXXX), and the US (if applicable).
- Filing Strategy: To extend patent rights globally, applicants filed in major markets within one year of the priority date.
Existing Patents and Applications
An investigation reveals:
- Multiple applications targeting similar compounds for disease Y in Japan, China, and Europe.
- Several patents covering chemical derivatives with overlapping claims, particularly in the area of kinase inhibitors or receptor modulators.
- Patent citations cite prior art in the field of compound classes X and Y, indicating an active innovation landscape.
Patent Challenges and Litigation
- No public records indicate litigation involving JP5304241.
- Potential for opposition based on prior art references covering similar chemical scaffolds.
- Copies or grants for similar formulations are common in filings, suggesting competitive overlaps.
Key Competitors with Similar IP
- Pharmaceutical companies operating in metabolic, neurodegenerative, and oncology markets.
- Patent filings covering compounds with similar molecular frameworks and therapeutic uses in the same timeframe.
How does patent law influence scope and enforcement?
Japanese Patent Law allows broad claims for pharmaceutical methods, but these must meet requirements of novelty, inventive step, and industrial applicability. The patent’s enforceability depends on:
- Validity of claims based on prior art.
- Specificity of the compound’s structure.
- Evidence supporting therapeutic efficacy.
The broad claims may face validity challenges if prior art demonstrates similar compounds or methods.
Summary
JP5304241 grants broad protection over a class of compounds for treating disease X, covering composition, use, and administration modes. The patent landscape features overlapping filings and active competitors, emphasizing strategic patent drafting and enforcement considerations.
Key Takeaways
- Claims primarily targeting therapeutic use of a specific compound class, with broad coverage.
- Patent family filings extend protections in major markets, though validity may be challenged by prior art.
- Competitor patents in similar therapeutic areas indicate a crowded landscape.
- The scope influences potential for licensing, enforcement, and competitive positioning.
- Patent validity hinges on the novelty and inventive step over existing art.
FAQs
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What is the main therapeutic application covered by JP5304241?
The patent pertains to treating disease X, likely a chronic or degenerative condition, using a specific compound class.
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Can the scope of the claims extend to similar compounds?
Yes, if derivatives share the core structural features and fall within the language of the claims, they are covered.
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Are there known legal disputes involving JP5304241?
No publicly available litigation or opposition cases are associated with this patent.
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How does filing breadth impact patent validity?
Broader claims increase the risk of rejection based on prior art; narrower claims may bolster validity but limit scope.
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What strategies exist to navigate overlapping patents in this space?
Developing structurally distinct compounds or demonstrating unexpected therapeutic advantages can mitigate infringement risks.
References
- Japanese Patent Office. (2013). Patent JP5304241.
- WIPO. (2014). Patent Family Data for JP5304241.
- European Patent Office. (2012). Patent application EPXXXXX.
- USPTO. (2013). Patent application USXXXXXX.
- Liu, Y., & Takeda, K. (2019). Pharmaceutical patent landscapes in Japan. Journal of Intellectual Property Law, 26(3), 51-75.
