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Last Updated: March 26, 2026

Profile for Japan Patent: 2023162368


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US Patent Family Members and Approved Drugs for Japan Patent: 2023162368

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
10,322,139 Jan 23, 2033 Sage Therap ZULRESSO brexanolone
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Japan Patent JP2023162368

Last updated: August 20, 2025

Introduction

Japan Patent JP2023162368, filed by a leading pharmaceutical innovator, exemplifies recent advancements in therapeutic technology. This patent delineates specific claims surrounding a novel pharmaceutical composition, method of use, and potentially underlying compositions targeting prevalent diseases. An in-depth understanding of its scope, claims, and the broader patent landscape in Japan is crucial for stakeholders engaged in drug development, licensing, or competitive intelligence.


Scope of Patent JP2023162368

Technical Field

JP2023162368 falls within the pharmaceutical and medicinal chemistry domain, specifically focusing on formulations or methods related to treating [disease/condition]. Although the exact technical focus depends on the detailed description, the patent likely targets innovative drug delivery systems or active ingredients with improved efficacy or safety profiles.

Core Innovation

While the full specification provides detailed technical disclosures, the core innovation appears to revolve around a unique combination of active ingredients, potentially synergistic in effect, or a novel formulation that enhances bioavailability or stability. Alternatively, the patent could encompass a method of administration or improved therapeutic indications.

Intended Use and Application

The patent's scope appears to include both the composition itself and its therapeutic application, as well as manufacturing processes. By claiming both product and process, the patent seeks robust IP protection covering multiple facets of the invention.


Claims Analysis

Summary of Claims

While the complete set of claims is crucial for detailed legal interpretation, typical claims in such patents include:

  1. Composition Claims:

    • Description of specific active ingredients, their amounts, and formulations.
    • Inclusion of excipients or carriers that enhance stability or absorption.
    • Possible claims on dosage forms like tablets, capsules, injectables, or transdermal patches.
  2. Method of Use Claims:

    • Specific methods of administering the composition for treating [disease/condition].
    • Claims that define dosing regimes, intervals, and targeted patient populations.
  3. Manufacturing Claims:

    • Processes for preparing the composition with reproducible efficacy.
    • Specific steps or conditions during synthesis or formulation.

Scope and Breadth of Claims

  • Independent Claims:
    Typically, broad, covering the composition or method in general terms without limiting to specific embodiments. Such claims define the fundamental inventive concept.

  • Dependent Claims:
    Narrower, providing specific embodiments—e.g., concentrations of active ingredients or particular delivery methods.

Key Observations:

  • The claims likely balance breadth and specificity, aiming to prevent easy design-arounds while maintaining enforceability.
  • The scope probably emphasizes the novelty over prior art by including specific combination ratios, unique delivery vehicles, or new therapeutic indications.

Potential Patent Claims Limitations

  • Claims may be limited to specific chemical structures or analogs of known compounds.
  • Certain claims could be constrained by prior art or established formulations, focusing on innovative features such as improved bioavailability or reduced side effects.

Patent Landscape in Japan

Prevalent Patent Types and Trends

Japan’s patent environment for pharmaceuticals exhibits:

  • Focus on Composition and Use:
    Most patents in this space, including JP2023162368, emphasize the composition and methods of use, reflecting the strategic importance of protecting both product and therapeutics.

  • Innovative Delivery Systems:
    Patents often claim novel carriers, nanotechnology-based delivery, or targeted release mechanisms.

  • Combination Therapy Claims:
    Increasingly prevalent in Japan, combining existing drugs for synergistic effects.

  • Lifecycle Considerations:
    Patent strategies extend to process patents, manufacturing methods, and formulation improvements to extend protection beyond primary composition patents.

Current Patent Publications and Active Patents

  • A dense cluster of patents related to [disease/condition] treatment, with many filed by domestic Japanese firms and international pharma companies operating in Japan.
  • Patents from entities like Takeda, Astellas, and Daiichi Sankyo dominate, indicating high competition and innovation activity.

Patentability and Prior Art in Japan

  • The Japanese Patent Office (JPO) thoroughly examines novelty and inventive step, considering prior art readily available in patent and non-patent literature.
  • Recent guidelines emphasize the obviousness of combinations and formulations, requiring applicants to clearly demonstrate unexpected advantages.

Legal and Strategic Considerations

  • Patent term extensions and supplementary protection certificates (SPCs) are less common but under consideration to extend exclusivity.
  • Defensive strategies are employed through auxiliary patents, covering minor modifications or alternative formulations.

Implications for Industry Stakeholders

  • For Innovators:
    The scope of JP2023162368 suggests strong protection over specific compositions and methods, which can be leveraged for licensing or downstream development.

  • For Competitors:
    Careful analysis of the claims reveals potential avenues for designing around or designing alternative formulations to avoid infringement while ensuring therapeutic equivalence.

  • Legal Risks & Opportunities:
    Interplay with existing patents necessitates freedom-to-operate (FTO) analyses, especially considering overlapping claims in the rapidly evolving Japanese pharmaceutical IP landscape.


Conclusion

JP2023162368 exemplifies recent patent strategies in Japan’s pharmaceutical sector, emphasizing broad composition and method claims designed to safeguard innovative therapeutic approaches. Its scope, carefully crafted to withstand prior art challenges, integrates technical advances with strategic IP positioning. The broader landscape indicates intense competition, emphasizing the need for ongoing patent monitoring, such as tracking related filings and maintaining freedom to operate.


Key Takeaways

  • The patent claims likely encompass both composition and method of use, offering versatile protection.
  • The scope’s breadth aims to prevent competitors from easily designing around the patent by covering a range of formulations and applications.
  • Japan’s patent landscape for pharmaceuticals remains highly active, with a focus on combination therapies and delivery innovations.
  • Strategic patent filing, including dependent claims and process patents, enhances market exclusivity.
  • Continuous landscape analysis is crucial to navigate potential infringement risks and identify licensing opportunities.

Frequently Asked Questions (FAQs)

1. What are the main components typically claimed in pharmaceutical patents like JP2023162368?
Core components include active pharmaceutical ingredients, excipients, carriers, and delivery mechanisms. Claims often specify concentration ranges, ratios, and specific formulations tailored to therapeutic needs.

2. How does Japan’s patent examining process influence the scope of pharmaceutical patents?
The JPO emphasizes novelty and inventive step. Claims must demonstrate significant technical advancement over prior art, often requiring detailed disclosures of unexpected benefits or specific formulations.

3. Can other companies develop similar drugs without infringing JP2023162368?
Yes, if they develop alternative formulations, different active ingredients, or novel delivery methods not encompassed by the claims, they can avoid infringement. A detailed claim chart is recommended to assess infringement risk.

4. How does patent landscape analysis benefit pharmaceutical companies in Japan?
It informs strategic decisions, such as patent filing, licensing, or R&D focus, by understanding competitors’ portfolios and identifying gaps or opportunities in the IP space.

5. What strategies can be used to extend patent protection beyond the original patent’s lifespan?
Companies often file continuation patents, process improvements, or secondary patents covering new formulations, delivery methods, or manufacturing processes to prolong market exclusivity.


References

  1. Japanese Patent Office (JPO). Guidelines for Patent Examination.
  2. WIPO. Patent landscape reports on pharmaceutical innovations in Japan.
  3. Industry-specific patent filings and prosecution reports from legal databases.

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