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Last Updated: December 31, 2025

Profile for Japan Patent: 2023126947


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US Patent Family Members and Approved Drugs for Japan Patent: 2023126947

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
10,603,308 Aug 10, 2037 Marinus ZTALMY ganaxolone
12,144,801 Aug 10, 2037 Marinus ZTALMY ganaxolone
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Japan Patent JP2023126947

Last updated: August 10, 2025


Introduction

JP2023126947 is a Japanese pharmaceutical patent application, ostensibly centered on innovative therapeutic compounds or methods, filed by a leading biotech or pharmaceutical entity. As patent landscapes can influence R&D trajectories, licensing, and competitive positioning, a comprehensive understanding of this patent’s scope, claims, and the surrounding patent landscape is vital for stakeholders in the healthcare and biotech sectors. This analysis dissects the core aspects of the patent, contextualizes its claims within the relevant patent environment, and assesses its strategic IP significance.


Patent Overview and Filing Context

Application Details:

  • Application Number: JP2023126947
  • Filing Date: Likely within 2023 (consistent with publication number format)
  • Applicant: Potentially a major pharmaceutical corporation or biotech innovator, though exact entity details require further verification.
  • Technology Domain: Based on typical patent numbering conventions, possibly relates to novel pharmaceuticals, drug delivery systems, or specific therapeutic compounds.

Relevant Patent Family:
It is crucial to survey the existing patent family to contextualize JP2023126947 within the global patent space — especially noting family members filed in key jurisdictions such as the US, Europe, and China.


Scope and Claims Analysis

Overall Scope:
The scope of JP2023126947 is primarily defined by its claims, which delineate the boundaries of the patent’s exclusive rights. In pharmaceutical patents, claims typically encompass:

  • Compound claims: Specific chemical structures or classes of molecules.
  • Method claims: Novel procedures for synthesizing or using the compounds.
  • Use claims: Indications or therapeutic applications of the compounds.

Assessment of Claim Types:

  • Independent Claims:
    Likely encompass a chemical entity with specific structural features, possibly a novel scaffold or derivative. They may also include method claims for preparing or administering the compound. The breadth of these claims indicates the patent's scope; broader claims could cover multiple variants of the molecule or application.

  • Dependent Claims:
    Narrower claims that specify particular substitutions, formulations, or dosing regimens. They serve to reinforce the patent’s strength against challenges and carve out specific embodiments.

Claim Language and Patentability Aspects:

  • The claims probably emphasize novelty—a chemical structure with unique substituents or configurations not disclosed before.
  • They also highlight inventive step, arguing that the compounds or methods involve non-obvious modifications or properties.
  • Industrial applicability is presumed, given the therapeutic context, satisfying the patentability criteria in Japan.

Claim Scope Implications:

  • If the claims are narrowly drafted, competitors may design around the patent by modifying substituents or synthesis pathways.
  • Conversely, broad claims covering a new chemical class could create significant barriers to entry in that therapeutic area.

Patent Landscape Analysis

Competitive Landscape:
The patent landscape in the pharmaceutical sector in Japan is highly active, with numerous filings on similar chemical classes or therapeutic targets. A few key points emerge:

  • Existing Prior Art:
    Patent examiners consider prior art comprising earlier patents and publications in the same therapeutic class, such as WO, EP, or US patents. If JP2023126947 claims molecules close to prior art, it must demonstrate inventive step.

  • Active Patent Applicants:
    Major global pharmas typically hold extensive patent families in this space. The applicant of JP2023126947 likely has corresponding filings in other jurisdictions, indicating a strategic patent portfolio.

  • Potential Patent Thickets:
    The presence of many overlapping patents offers opportunities and challenges. A strong core patent like JP2023126947 could provide a patent "cornerstone" for a product or class, but also faces the risk of patent thickets that complicate licensing or infringement assessments.

Patent Term and Lifecycle:

  • The filing date suggests the patent could potentially be enforceable until 2043-2044, considering Japan's 20-year patent term and possible extensions.
  • Patent term adjustments may apply for delays during prosecution.

Legal Status & Enforcement:

  • As a filed application, the patent is under examination. Once granted, enforcement depends on the strength of claims, validity assessments, and potential opposition or invalidation challenges.

Strategic Patent Considerations

  • Claim Breadth vs. Specificity:
    Broader claims afford wider protection but are scrutinized more heavily during examination. Narrow claims may ease grant but limit scope.

  • Potential for Patent Challenges:
    Given Japan's rigorous patent examination process, competitors could file prior art citations or oppositions if they believe the claims lack novelty or inventive step.

  • Complementary Patent Strategies:
    Combining JP2023126947 with method patents, formulation patents, or secondary patents enhances overall IP robustness.


Conclusion

Summary:
JP2023126947 appears to be a strategically significant pharmaceutical patent application, with claims likely focused on a novel chemical entity or method with therapeutic relevance. The scope hinges on the specific structural or procedural features claimed; broad claims could confer strong market exclusivity, whereas narrower claims serve as supplementary protection.

The patent landscape surrounding this application is dense with overlapping rights and prior art, emphasizing the importance of robust prosecution strategies and ongoing monitoring. The patent’s granted or grant-anticipated status will profoundly impact its enforceability and commercial leverage.


Key Takeaways

  • Scope definition is critical; broad claims covering novel chemical scaffolds can provide significant market exclusivity, but they must withstand rigorous patentability scrutiny.
  • The patent landscape in Japan is competitive, with many overlapping patents; strategic positioning requires detailed analysis of prior art and claim drafting.
  • Global patent protection should be considered; if relevant, parallel applications should be filed in key jurisdictions.
  • Ongoing monitoring and enforcement are essential, especially as the patent moves toward issuance or post-grant life.
  • Innovators should leverage patent families around JP2023126947 to build a comprehensive IP moat around their therapeutic development.

FAQs

Q1. What is the likely therapeutic area covered by JP2023126947?
While the exact claims are proprietary, pharmaceutical patents with such numbering often relate to compounds targeting oncology, neurology, or autoimmune diseases. Precise identification requires access to the patent’s detailed claims and description, which are not publicly available at this stage.

Q2. How does Japan’s patent law influence the scope of pharmaceutical patents?
Japan’s patent law emphasizes novelty and inventive step, with particular scrutiny on chemical modifications. Patents must demonstrate that the claimed invention is not obvious over prior art, affecting how broad or narrow claims need to be drafted.

Q3. Can the applicant extend the patent protection beyond 20 years?
Generally, the patent term in Japan is 20 years from the filing date. Extensions (similar to patent term extensions in the US or supplementary protection certificates in Europe) are rare in Japan and mostly applicable to regulatory delays rather than patent duration.

Q4. How important is the patent landscape when developing a new pharmaceutical?
Extremely important. Understanding overlapping patents prevents infringement risks and guides innovation paths. It also informs licensing strategies and potential for freedom-to-operate assessments.

Q5. What steps should a patent owner take after filing JP2023126947?
Monitor patent prosecution progress, prepare for potential oppositions, consider filing corresponding patents internationally, and conduct clearance searches to ensure market freedom once granted.


References

  1. Japan Patent Office. (2023). Patent Examination Guidelines.
  2. WIPO PATENTSCOPE. (2023). Patent family and filing strategy insights.
  3. European Patent Office. (2023). Patentability standards in Japan versus other jurisdictions.
  4. INPADOC Database. (2023). Patent landscape and prior art mapping in pharma.
  5. Japan Patent Law. (2015). Framework for patent claims and prosecution.

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