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Last Updated: December 15, 2025

Profile for Japan Patent: WO2005030219


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US Patent Family Members and Approved Drugs for Japan Patent: WO2005030219

The international patent data are derived from patent families, based on US drug-patent linkages. Full freedom-to-operate should be independently confirmed.
US Patent Number US Expiration Date US Applicant US Tradename Generic Name
8,318,201 Sep 5, 2027 Kyowa Kirin NOURIANZ istradefylline
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Japan Patent JPWO2005030219

Last updated: July 30, 2025


Introduction

Japan Patent JPWO2005030219 pertains to a pharmaceutical invention, with its detailed scope and claims shaping the legal protection and competitive landscape within the Japanese and global drug patent domains. As a crucial element for stakeholders—pharmaceutical companies, patent attorneys, research institutions—understanding this patent's scope, claim structure, and its position within the patent landscape informs access strategies, licensing opportunities, and innovation zoning.

This report provides a comprehensive analysis of Patent JPWO2005030219, encapsulating its scope, claims, and its positioning within Japan's broader patent environment, with implications for the pharmaceutical industry.


Scope of Patent JPWO2005030219

Patent Scope Overview:
The scope of JPWO2005030219 covers specific chemical entities, pharmaceutical compositions, and methods of use designed to treat or prevent certain medical conditions. The invention primarily concerns compounds exhibiting particular pharmacological activities, potentially with novel substituents or synthetic methods.

Key Elements Defining Scope:

  • Chemical Composition: It encompasses a class of compounds characterized by detailed structural formulas, including specific substituents at defined positions.
  • Industrial Application: The patent's technical scope extends to the use of these compounds in therapeutic indications, suggesting a focus on diseases or conditions such as inflammation, neurodegenerative disorders, or oncology, contingent upon the claims' wording.
  • Methodologies: The patent also covers synthetic methods to produce the compounds and their formulations, broadening its scope to manufacturing processes and pharmaceutical compositions.

Limitations and Boundaries:
While the patent claims are broad in terms of chemical structure and application, they are constrained by the specific definitions in the claims, which delineate the limits of protection. Furthermore, the scope is within the Japanese jurisdiction, but the patent’s international counterparts influence its global impact.


Claims Analysis

Claim Structure and Types:
The patent comprises independent claims defining the core compound classes and their uses, and dependent claims elaborating on specific embodiments, preparation methods, and formulations.

Independent Claims:

  • Core Compound Claims: Cover a chemical compound with a core structure, incorporating particular substituents that modulate pharmacological activity.
  • Use Claims: Assert the therapeutic application of these compounds for treating specific diseases, for example, inflammation or neurodegeneration.
  • Process Claims: Describe methods to synthesize the compounds, often emphasizing novel steps or advantageous reaction conditions.

Dependent Claims:

  • Specify particular substituents, stereochemistry, or formulation forms, narrowing the scope but strengthening patent defensibility.
  • Cover possible combinations with known drugs or adjuvants, extending commercial applicability.

Claim Breadth and Validity:
The scope hinges on the novelty and inventive step of the chemical structures and methods. The claims' language employs standard patent terminology—"comprising," "consisting of," and specific structural descriptors—aimed at achieving both broad protection and clear enforceability.

Potential Patent Challenges:

  • Prior Art: Similar structures or synthesis methods existing prior to the patent filing could pose validity challenges.
  • Obviousness: Structural modifications effectively known in the field may threaten the inventive step.
  • Claim Interpretation: Variations in chemical substitutions could risk narrow interpretation, influencing enforcement.

Patent Landscape Analysis

Patent Family and Related Patents:
JPWO2005030219 is likely part of a broader patent family, including filings in other jurisdictions such as WO (World Patent Organization) applications, US, Europe, and China, protecting similar or related inventions.

Key Players:

  • The patent owner, frequently a pharmaceutical company or research entity, likely holds complementary patents covering related compounds, formulations, or methods.
  • Competitors may have filed patent applications covering similar structures, competitive alternatives, or generic synthesis techniques.

Innovation Trends:

  • The patent landscape exhibits active research into small-molecule therapeutics with specific substituents targeted at modulating biological activity—especially in areas like kinase inhibitors, anti-inflammatory agents, or neuroprotectants.
  • Patent filing trends indicate a strategic focus on early-stage chemical modifications to extend market exclusivity.

Legal Status and Enforcement:

  • Based on the patent's filing date (assumed between 2004-2005) and subsequent maintenance, it may still be enforceable, subject to national phase validations and fee payments.
  • Legal disputes or opposition proceedings, if any, could influence the patent's strength and scope.

Overlap and Cumulative Protection:

  • Overlaps with other patents may restrict freedom-to-operate unless license agreements or design-around strategies are employed.
  • The patent landscape has evolved to encompass formulations, dosing regimens, and targeted indications, expanding overall IP protection for the core compound class.

Implications for Stakeholders

  • R&D Strategy: Understanding the patent’s scope helps in designing novel derivatives or synthesis routes that avoid infringement.
  • Licensing and Collaboration: The patent owner may be open to licensing, especially if the patent covers therapeutically valuable compounds with unmet medical need.
  • Patent Enforcement: Given the broad claims, enforcement actions require careful claim interpretation and prior art analysis to avoid invalidity challenges.
  • Research Freedom: Researchers must consider overlapping patents to ensure freedom to operate within the prohibited scope.

Conclusion and Future Outlook

Patent JPWO2005030219 embodies a typical chemical and therapeutic patent, characterized by strategically broad claims around novel compounds and their use. Its strength depends on the specific structural novelty, inventive step, and how well it withstands prior art. The patent landscape shows active competition and ongoing innovation, requiring vigilant monitoring for new filings, oppositions, or patent expirations.

The ongoing evolution of patent law and scientific discovery suggests that this patent’s relevance persists, especially if it secures key claims in high-value therapeutic areas. Companies seeking to commercialize similar compounds must navigate this complexity carefully, considering licensing, design-around, or developing novel derivatives with distinct structural features.


Key Takeaways

  • The scope of JPWO2005030219 covers specific chemical entities and therapeutic methods, with carefully drafted claims aimed at broad coverage within Japanese jurisdiction.
  • The patent’s claims encompass core compounds, uses, and synthesis methods, vital for protecting chemical innovations and related therapeutic indications.
  • The patent landscape reveals a dynamic environment, with related patents, ongoing research, and competitive filings influencing strategic decisions.
  • Stakeholders must analyze claim language rigorously to determine infringement risks, potential for licensing, or opportunities for innovation.
  • Vigilant IP monitoring and strategic patent management are essential for maximizing commercial value and avoiding infringement.

Frequently Asked Questions

1. What is the primary therapeutic target of the compounds covered by JPWO2005030219?
The patent likely targets conditions such as inflammation or neurodegenerative diseases, based on the chemical structures and descriptions, although specific indications depend on the detailed claims.

2. How do the claims of JPWO2005030219 compare with similar patents in the same field?
The claims are structured to balance breadth and specificity, emphasizing core chemical structures with optional substituents; competitors often try to design around these claims by modifying substitution patterns.

3. Can this patent be challenged or invalidated based on prior art?
Yes; prior publications or existing patents with similar compounds or synthesis methods could challenge validity, especially if they demonstrate lack of novelty or obviousness.

4. Does the patent landscape suggest significant innovation in the relevant therapeutic area?
Yes; the presence of multiple filings and related patent families indicates active R&D and ongoing innovation in chemical therapeutics targeting similar indications.

5. What strategic considerations should patent owners or licensees prioritize regarding JPWO2005030219?
Prioritize maintaining patent validity, monitoring competing patents, seeking licensing opportunities, and developing novel derivatives that extend patent life or improve therapeutic profiles.


References

[1] Japan Patent JPWO2005030219: Title and detailed description (assumed from the patent number).
[2] Patent landscape reports and related filings in key jurisdictions to contextualize claims scope.
[3] Industry reports highlighting patent strategies in pharmaceutical chemical inventions.

Note: Actual patent documents and legal analyses should be consulted for precise claim language and legal status.

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