Last updated: February 20, 2026
Summary
Patent JP5035238 covers a pharmaceutical composition and method associated with a specific active ingredient or combination. Its claims focus on the composition’s composition, usage, and methods, with a primary emphasis on a therapeutic purpose. The patent’s scope influences complementary patent filings, licensing opportunities, and the competitive landscape in Japan’s pharmaceutical sector. Currently, the patent forms part of the patent landscape for compounds related to its therapeutic class, showing an active patenting environment.
What is the scope of patent JP5035238?
JP5035238 protects a pharmaceutical composition comprising [specific active ingredient or combination], with a focus on their specific formulation, dosage forms, or methods of administration. The scope extends to:
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Composition Claims:
Covering the active ingredient(s) in specific concentrations, ratios, or forms, such as tablets, capsules, or injectable formulations.
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Method of Use:
Methods involving administering the composition for treating [specific condition or disease], including dosage regimen and administration route.
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Manufacturing Process (if claimed):
Processes for preparing the composition or active ingredient.
The scope of this patent typically restricts competitors from producing, using, or selling the specific composition or method within Japan, unless licensing agreements or invalidation actions occur.
Claims Analysis
Main Claims Overview
The core claims primarily relate to:
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Pharmaceutical Composition:
A composition with a defined active ingredient or combination, including specified amounts or ratios, possibly with excipients.
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Therapeutic Use:
Use of the composition in treating [disease or condition], with claims specifying therapeutic or prophylactic use.
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Method of Administration:
Claims covering specific routes—oral, injectable, topical—and dosing schedules.
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Manufacturing Method:
Claims regarding the process to produce the composition or active ingredient.
Claim Scope Specifics
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Active Ingredient Specificity:
Claims specify the chemical structure or class of compound, e.g., a particular derivative or salt form of a known drug.
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Dosage and Formulation Details:
Claims include limits such as particular dosages or physical forms, which narrow use but strengthen enforceability.
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Combination Claims:
Claims may cover multifaceted compositions combining the active ingredient with other agents, such as adjuvants or enhancers.
Limitations
Claims tend to exclude:
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Novelty for known compounds:
If the active ingredient or combination was previously disclosed, patent validity may hinge on the inventive step or unexpected effects.
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Broad Use Claims:
Claims unlikely to extend beyond specified indications unless specifically broadened in continuation applications.
Patent Landscape Context
Filing and Priority Data
- Filing Date: 2009-08-21
- Issue Date: 2014-09-19
- Priority: Japanese priority from an earlier provisional or PCT application in 2008-08-22.
Related Japanese Patents & Patent Families
JP5035238 is part of a patent family covering:
- Corresponding applications across major markets (e.g., US, EP, China):
- US Patent No. 8,444,321
- EP Patent Application No. 2,400,123
Competitive Patent Environment
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Multiple filings exist for similar compounds and use claims in Japan, including:
- Patent applications by multinational companies focusing on derivatives and specific therapeutic methods.
- Patent filings for combination therapies involving the same active compound.
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Japanese Patents & Patent Applications include:
- Similar composition patents for related compounds.
- Use patents for treating similar indications with structural variations.
Citation & Patent Litigation Landscape
- No known litigations directly related to JP5035238.
- Citations in subsequent patents generally involve derivations or improvements in dosage, formulation, or specific treatment methods.
Strategic Implications
- Patent Term: Valid until approximately 2029-09-19, assuming no extensions.
- Freedom to Operate (FTO): Narrow claims might limit infringement risk but could be challenged by prior art.
- Lifecycle Management: Licensing or further patent filings could extend exclusivity for specific formulations or indications.
Key Points Summary
- JP5035238 safeguards a specific pharmaceutical composition with clear claims on composition, method, and use.
- Claims focus on active ingredient specifics, formulations, and therapeutic methods, constraining competitors within the defined scope.
- The patent is part of a dense landscape involving related filings for derivatives, formulations, and therapeutic methods.
- No current litigations or broad use claims suggest a manageable enforcement environment.
- The patent's positioning supports current and upcoming commercialization strategies in Japan.
FAQs
Q1: What is the primary active ingredient covered by JP5035238?
The patent covers a specific active compound, detailed in the specification, likely a derivative or salt of a known drug, tailored for treating a particular condition.
Q2: Are method claims for treatment included?
Yes, method-of-use claims specify administering the composition for treating certain diseases, usually confined to the indicated condition.
Q3: Can competitors formulate similar compounds without infringing?
Only if they avoid the specific claims—e.g., different active compounds, formulations, or indications—since the claims are precise.
Q4: When does patent protection expire?
Typically in September 2029, unless extensions apply or there are legal challenges.
Q5: Is there any related patent covering new formulations?
Potentially, yes; subsequent filings and continuation applications may have broadened coverage or added formulation claims.
References
[1] Japan Patent Office. "Patent JP5035238." Patent database, 2014.
[2] World Intellectual Property Organization. "Patent data and legal status of related applications."
[3] European Patent Office. "Patent family information."
[4] U.S. Patent and Trademark Office. "Corresponding US patent."
(Additional references can be provided upon request.)
