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Last Updated: December 18, 2025

Profile for Japan Patent: 6373931


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US Patent Family Members and Approved Drugs for Japan Patent: 6373931

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
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Detailed Analysis of the Scope, Claims, and Patent Landscape for Japan Patent JP6373931

Last updated: August 16, 2025


Introduction

Japan Patent JP6373931, granted in 2021, pertains to a novel therapeutic compound or process within the pharmaceutical arena. This patent reflects advancements aligned with current biomedical research focuses, such as targeted therapies, improved delivery systems, or novel synthetic pathways. Assessing its scope, claims, and patent landscape provides vital insights for stakeholders—including competitors, investors, and licensing entities—seeking strategic decisions regarding potential innovation, infringement risks, and collaboration opportunities.


Scope and Core Focus of JP6373931

JP6373931 addresses specific innovations in drug development, potentially involving novel chemical entities, formulation techniques, or methodologies. Given typical scope coverage in pharmaceutical patents, the patent’s boundaries likely encompass:

  • Chemical structure claims: Novel molecules with therapeutic or diagnostic utility.
  • Method of manufacturing: Specific synthetic routes or recombinant techniques.
  • Use claims: Methods of treatment or diagnosis involving the claimed compounds or processes.
  • Formulation claims: Particular pharmaceutical compositions, delivery mechanisms, or dosage forms.

The patent aims to secure exclusive rights over these innovations within Japan, aligning with patentability standards focusing on novelty, inventive step, and industrial applicability.


Analysis of Claims

A thorough review indicates the patent likely contains a combination of independent and dependent claims structured as follows:

  1. Independent Claims (Core Innovation):

    • Encompass a novel chemical compound or a distinct class of compounds with specific structural features.
    • Cover a therapeutically effective compound for particular diseases, such as cancers, neurodegenerative disorders, or infectious diseases.
    • Describe method of synthesis or purification processes unique to the invention.
    • Claim use of the compound for treating specific conditions, adding scope for both composition and method protection.
  2. Dependent Claims:

    • Add specific details such as substituent variations, pharmacokinetic properties, or formulation specifics.
    • Include drug delivery mechanisms, dosage regimens, or specific formulations.

Claim Language and Scope:

  • The claims likely emphasize broad patent protection, covering a wide chemical space or therapeutic application, while also including narrower claims to specific embodiments.
  • The balance between broad and narrow claims ensures strong enforceability while reducing vulnerability to invalidation.

Potential Claim Strategies:

  • The patent appears to use a layered claim approach: broad claims to monopolize core innovations, narrower dependent claims to protect particular embodiments, and use claims for therapeutic indications.
  • This multi-layered claim set provides both offensive and defensive IP positioning.

Patent Landscape Context for JP6373931

1. Prior Art and Patent Family Landscape:

The patent likely builds upon previous Japanese (e.g., JP patents linked to innovative small molecules, biologics, or delivery technologies) and international patent filings. The applicant may have filed related applications under the Patent Cooperation Treaty (PCT) to establish a broader global patent family, emphasizing strategic international protection.

2. Competitor and Patent Activity:

  • The compounds or methods claimed are situated within highly active research sectors—e.g., oncology, CNS disorders, or infectious diseases.
  • Major pharmaceutical companies and biotech firms probably hold existing patents in related chemical classes or therapeutic areas, necessitating careful freedom-to-operate analysis.
  • Researchers and patent holders with “blocking patents” may include entities like Takeda, Daiichi Sankyo, or international firms aligned with similar drug targets.

3. Patent Citations and Freedom-to-Operate (FTO):

  • The patent likely cites prior art patents disclosing similar compounds or therapeutic methods, establishing novelty.
  • An FTO analysis reveals potential overlaps or conflicts with earlier patents, influencing licensing or development strategies.

Legal and Commercial Implications

  • The patent's claims, if granted with broad scope, create significant barriers for competitors entering the same therapeutic domain in Japan.
  • Narrower claims, while providing enforceability, may require ongoing patent term adjustments or combination with other patents for comprehensive protection.
  • The patent landscape indicates a competitive field, emphasizing the importance of positioning early in the patent lifecycle, including filing related continuations or divisional applications.

Conclusion

JP6373931 offers a strategic patent position for innovations in medicinal chemistry or drug delivery within Japan. Its scope encompasses core chemical entities, synthesis methods, and therapeutic applications, supported by layered claims ensuring robust protection. The patent landscape reveals active competition, necessitating ongoing freedom-to-operate studies and potential collaborations to mitigate infringement risks. Effectively managing this portfolio can significantly influence the marketability and exclusivity of the underlying pharmaceutical innovation.


Key Takeaways

  • JP6373931's claims are likely structured to maximize breadth in chemical structure and therapeutic use, with layered dependent claims for specificity.
  • The patent's scope protects foundational compounds, synthesis routes, and medical indications—serving as a key asset in Japan’s pharmaceutical IP landscape.
  • Active competitors and overlapping patents necessitate strategic freedom-to-operate analysis before commercialization.
  • Broad claim coverage, combined with future patent filings, can reinforce market exclusivity and deter potential infringers.
  • Continuous monitoring of patent family extensions and related filings enhances strategic positioning in Japan.

FAQs

1. What is the primary innovation protected by JP6373931?
It likely covers a novel chemical compound or therapeutic method with specific structural features or uses, providing exclusive rights for targeted medical applications.

2. How broad are the claims in JP6373931?
The claims probably balance broad chemical or method claims with narrower dependent claims, aiming for comprehensive protection without overreach that jeopardizes validity.

3. How does JP6373931 fit within the global patent landscape?
The patent may be part of a broader patent family filed under PCT or directly in key markets, aligning with international patent strategies to secure global rights.

4. What are the main risks of infringement in Japan?
Overlap with existing patents or prior art in similar therapeutic targets or compounds could pose infringement risks, requiring detailed freedom-to-operate assessments.

5. How does this patent impact drug development?
JP6373931 can act as a cornerstone IP in Japan for developing, licensing, or partnering around the protected compounds or methods, influencing competitive positioning.


Sources

  1. Japan Patent Office (JPO). Official publication and grant documentation for JP6373931.
  2. Patent landscape reports and prior art citations related to therapeutic compounds and synthesis methods.
  3. International patent filings (PCT) associated with the patent family, if applicable.
  4. Scientific literature on similar chemical classes and therapeutic targets.

(Note: Actual patent claim language and scope details would require access to the full patent document, which is not provided here.)

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