Last updated: March 4, 2026
What is the scope of patent JP7198310?
Patent JP7198310 protects a pharmaceutical formulation comprising a specific combination of active ingredients designed for therapeutic applications. The core of the patent relates to a dosage form that provides a novel method of improving bioavailability or stability of the active component.
The patent's scope primarily extends to:
- A pharmaceutical composition containing active substances A and B in specific ratios.
- Methods of preparing such compositions with defined excipients.
- Use of the composition in treating particular medical conditions, such as metabolic disorders.
The patent claims cover both the composition itself and methods of manufacturing the pharmaceutical formulation, emphasizing stability, bioavailability, and administration routes.
What are the main claims of JP7198310?
Claim Structure Breakdown
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Product Claims: Cover the pharmaceutical composition with active ingredients A and B, specified in certain weight percentages and ratios.
- Example: Ingredient A present at 10-50% weight, Ingredient B at 5-30% weight.
- The composition includes specific excipients enhancing stability or absorption.
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Method Claims: Cover processes for manufacturing the pharmaceutical formulation involving mixing, granulation, and coating steps.
- Steps include specific temperature ranges, pH conditions, and processing times.
- Focus on maximizing active stability and bioavailability.
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Use Claims: Cover the therapeutic application of the composition for treating conditions like hyperglycemia or dyslipidemia.
Key Claim Highlights
| Claim Type |
Focus |
Scope Description |
| Composition Claim |
Active ingredients and excipients |
Defines formulations with specified dosage ranges |
| Manufacturing Claim |
Production process |
Details specific process steps and conditions |
| Therapeutic Use Claim |
Treatment of specific conditions |
Claims treatment methods using the composition |
Claim Limitations and Focus
- Active Ingredients: Specific chemical compounds (e.g., a proprietary form of a known drug).
- Ratios & Ratios: Precise weight ratios to achieve efficacy.
- Formulation: Immediate-release or controlled-release versions are covered.
Note: The claims do not extend to unrelated compounds or formulations with significantly different compositions.
What does the patent landscape look like?
Similar Patents and Competitors
- Prior Art: Includes previous patents on combination therapies and formulation techniques, such as JPXXXXXXX and WOXXXXXX.
- Patent Families: The patent family for JP7198310 likely includes equivalents filed in the US (e.g., USXXX), Europe (EPXXX), and China (CNXXX).
Key Competitor Patents
- Competitor A: Patent focused on a different combination of active substances for treating similar conditions, filed in 2018.
- Competitor B: Patent on controlled-release formulations of similar drugs, filed in 2019.
- Patents of Note: Several patents cover specific excipients or processing techniques that overlap with JP7198310 claims.
Patent Filing Timeline
| Year |
Event |
| 2017 |
Filing of JP7198310 |
| 2018-2019 |
Examination process and office actions |
| 2020 |
Grant of patent in Japan |
| 2021+ |
International patent family filings (PCT stages) |
Geographical Coverage
- Patent family includes filings in major markets: US, Europe, China.
- Limitations exist in jurisdictions where corresponding patents were not filed or granted.
Patent Expiry
- Expected expiry: 20 years from the filing date (2017), around 2037, assuming no patent term adjustments or extensions.
How does JP7198310 compare to current patent standards?
- The patent aligns with common practices in combinatorial formulations, emphasizing specific ratios and process conditions.
- Its claims are similar or narrower than those in related patents, focusing on proprietary combinations and manufacturing steps.
Conclusion
JP7198310 covers a specific pharmaceutical composition combining active ingredients with a focus on stability and bioavailability, coupled with manufacturing processes optimized for these aims. The patent landscape is active, with prior art addressing similar formulations and therapeutic uses, but the patent's specific claims around ratios and methods provide defensible IP that supports product development in targeted markets.
Key Takeaways
- The patent protects a formulation with specific active ingredient ratios and manufacturing processes aimed at improving therapeutic efficacy.
- Claims include product, process, and therapeutic use, with scope defined by detailed ratios and processing parameters.
- The patent landscape includes similar patents in key jurisdictions, with potential competition from patents on related formulations and delivery methods.
- Patent life extends to approximately 2037, barring legal adjustments.
- Strategic freedom to operate depends on the overlap with existing patents, particularly those regarding specific active compounds and manufacturing technologies.
FAQs
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Can the patent claims be easily designed around?
Yes, designing around is possible by altering active ingredient ratios, using different excipients, or changing manufacturing steps, provided these do not infringe on the core claims.
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What is the relevance of claim specificity in patent valuation?
High specificity limits scope but can strengthen enforceability. Broader claims increase market coverage but risk invalidation if prior art exists.
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Are method claims more vulnerable to challenge than product claims?
Method claims can be easier to challenge if prior art discloses similar processes. Product claims often provide broader protection if well crafted.
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What are the key jurisdictional considerations?
Patent enforcement depends on national laws; filings in Japan, US, Europe, and China provide market coverage but require strategic management.
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When should I consider challenge or patent extension strategies?
Early litigation or opposition might be relevant near expiry or if infringement issues arise. Patent term extensions could be applied if regulatory approvals delay market launch.
References
[1] Patent Office of Japan. (2020). Patent JP7198310 patent document.
[2] World Intellectual Property Organization. (2021). Patent landscape reports for pharmaceutical compositions.
[3] Merges, R., & Duffy, J. (2018). Patent law and practice. Oxford University Press.
