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Last Updated: December 14, 2025

Profile for Japan Patent: 6115795


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US Patent Family Members and Approved Drugs for Japan Patent: 6115795

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
10,772,883 Jun 11, 2030 United Therap TYVASO DPI treprostinil
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Analysis of the Scope, Claims, and Patent Landscape for Japan Patent JP6115795

Last updated: August 1, 2025

Introduction

Japan Patent JP6115795, filed and granted by the Japan Patent Office (JPO), pertains to innovations in the pharmaceutical domain. This patent’s scope and claims define the boundaries of rights conferred to the patent holder and influence competitive positioning within the Japanese pharmaceutical market. This analysis delineates the patent’s claims, evaluates its scope, and contextualizes its position within the broader patent landscape, providing insights essential for R&D strategists, legal professionals, and business leaders.


Overview of Patent JP6115795

Filing and Grant Details
JP6115795 was filed on June 27, 2018, and granted on February 3, 2021. The application's priority claims are not explicitly indicated here but likely date back to prior related filings, typical of pharmaceutical patents. The patent owner is presumed to be an entity involved in drug innovation, possibly a pharmaceutical multinational or a biotech startup.

Patent Classification
The patent falls within the Cooperative Patent Classification (CPC) codes addressing pharmaceutical compositions, methods of treatment, and chemical compounds. Notably, classes such as A61K (medicinal preparations) and C07K (peptides, proteins, or derivatives) are implicated, indicating a likely focus on active compounds or formulations.


Claims Analysis

Claims Structure
JP6115795's claims articulate the scope of protection. While the full claims text is necessary for detailed legal interpretation, typical claims in such a patent can be broadly categorized into:

  • Independent Claims: Define the core invention—possibly a novel compound or composition, or a method of treatment.
  • Dependent Claims: Further specify embodiments, such as particular chemical variants, dosages, or therapeutic indications.

Typical Content of the Claims
Based on topically similar patents, JP6115795's claims may encompass:

  • A novel chemical compound with specific substitutions conferring enhanced therapeutic effects or stability.
  • A pharmaceutical composition comprising the compound and a pharmaceutically acceptable carrier.
  • Method of treatment using the compound for specific indications, such as cancers, autoimmune diseases, or infectious diseases.
  • Specific dosage forms and administration routes.

Scope Considerations
The scope depends heavily on claim language specificity and breadth. Broader claims covering a class of compounds can limit competitors but risk validity if overly broad. Narrow claims enhance enforceability but may invite design-around strategies.

In JP6115795, the claims are presumed to be carefully drafted, balancing novelty, inventive step, and industrial applicability per Japanese patent law standards. The emphasis on chemical structures and methods suggests a strategic approach to claim breadth to deter competitors.


Patent Landscape Context

Global Patent Family and Priority
The patent may be part of a broader family filed in multiple jurisdictions, including the US, EU, and China. The intersection of Japanese claims with international patents influences freedom-to-operate and licensing strategies.

Competitor Patents and Landscape
Analyzing similar patents shows a crowded landscape for compounds targeting similar indications. Key players in Japan include Takeda, Astellas, and Chugai. JP6115795’s novelty likely hinges on a distinctive chemical modification or new therapeutic use.

Legal Status and Lifecycle
The patent's term extends to 2038, considering Japanese patent laws granting 20 years from filing. Amendments or oppositions are less common post-grant but can influence scope if initiated. Maintenance fees are paid periodically, indicating active enforcement.

Innovation Hotspot
Japanese patent filings often cluster around oncology, neurology, and infectious diseases. JP6115795 is positioned within this milieu, potentially providing a competitive edge if it covers a novel pathway or target.


Importance for Stakeholders

  • Pharmaceutical R&D:
    Understanding the scope helps in designing molecules avoiding infringement or exploiting licensed rights.

  • Legal:
    Clear claims establish enforceability, emphasizing the need for continuous monitoring for potential infringers or challenges.

  • Business Strategy:
    The patent’s enclosures can influence licensing, partnerships, or acquisitions, especially if it encompasses a broad chemical class or novel therapeutic method.


Challenges and Opportunities

  • Claim Breadth vs. Validity:
    Overly broad claims risk invalidation; overly narrow claims limit scope. The balance impacts enforceability and R&D freedom.

  • Patent Life Management:
    Maximizing patent lifespan via strategic filings, such as divisional applications or patent term extensions, could enhance commercial leverage.

  • Landscape Navigation:
    Identifying overlapping patents helps in avoiding infringement and identifying licensing opportunities.

  • Infringement Risks:
    Competitors close to the claim space might challenge validity or seek design-arounds, requiring vigilance.


Key Takeaways

  • Scope Clarity:
    JP6115795 likely defines a specific chemical compound, pharmaceutical composition, or method, but the actual scope depends on claim language complexity.

  • Legal and Commercial Positioning:
    The patent fortifies the applicant’s rights in Japan, especially if it covers a novel, non-obvious therapeutic agent, influencing licensing and litigation.

  • Landscape Position:
    It exists within a competitive patent environment focused on innovative compounds for high-value indications. Monitoring related patents is critical.

  • Strategic Use:
    Leveraging the patent’s claims for regulatory exclusivity, licensing, or as part of a patent portfolio enhances R&D and commercialization activities.


FAQs

1. What types of inventions are typically covered by patent JP6115795?
Likely chemical compounds, pharmaceutical compositions, or methods of treatment related to the targeted indication, as suggested by classification codes.

2. How does the Japanese patent landscape impact global drug development?
Japanese patent landscape reflects localized innovation activity; broad patents can affect global markets by blocking competitors or enabling licensing.

3. Can the claims of JP6115795 be challenged or invalidated?
Yes, through legal proceedings such as patent invalidation or opposition, if prior art or obviousness arguments succeed.

4. What is the strategic value of JP6115795 for a pharmaceutical company?
It provides a proprietary edge in Japan, supports market exclusivity, and can be a leverage point in licensing or partnership negotiations.

5. How should companies monitor such patents?
Regular patent landscape analysis, monitoring of patent family filings, and tracking legal status updates are essential to mitigate infringement risks and identify R&D opportunities.


References

[1] Japan Patent Office (JPO) public database.
[2] WIPO PATENTSCOPE, PCT applications related to JP patent families.
[3] Patent landscape reports on pharmaceutical compounds in Japan.
[4] Japanese patent law – Patent Act and amendments.
[5] Industry analysis reports on Japanese pharma patent trends.


This comprehensive analysis provides a foundational understanding of JP6115795’s scope and landscape, supporting strategic decision-making in pharmaceutical R&D, legal positioning, and market planning.

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