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Last Updated: December 19, 2025

Profile for Japan Patent: 2021502993


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US Patent Family Members and Approved Drugs for Japan Patent: 2021502993

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
10,689,377 May 17, 2037 Bristol KRAZATI adagrasib
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of Patent JP2021502993: Scope, Claims, and Patent Landscape

Last updated: August 5, 2025


Introduction

Patent JP2021502993, filed with the Japan Patent Office (JPO), pertains to a novel pharmaceutical compound or formulation, reflecting innovative advances in drug development. As an integral component of intellectual property rights in the pharmaceutical sector, this patent’s scope, claims, and positioning within the patent landscape influence strategic decision-making for stakeholders ranging from pharmaceutical companies to generic drug manufacturers.

This analysis provides an in-depth review of JP2021502993, examining its scope, claims, and positioning within the broader patent environment, with an emphasis on understanding its protection breadth, innovation footprint, and potential influence on competitive dynamics.


Patent Overview and Basic Information

  • Publication Number: JP2021502993
  • Application Number: 2021-XXXXXX (hypothetically)
  • Filing Date: circa 2021, based on publication date
  • Priority Date: Likely a priority claim from a related application, possibly filed in 2020 or earlier
  • Status: Published; patent grant status pending or granted (verify via JPO database)
  • Assignee: Not specified in the provided data; typically, assignees are large pharmaceutical firms or biotech entities

(Note: For the purpose of this analysis, precise info such as assignee and inventors would typically be retrieved directly from the official JPO database, but given the scenario, assumptions are made accordingly.)


Scope of the Patent

Claims Analysis and Scope

The claims define the legal scope of protection conferred by JP2021502993. They determine the patent’s exclusivity and influence potential freedom-to-operate analyses. Claims in pharmaceutical patents generally fall into two categories:

  • Compound claims: Define specific chemical entities with potential pharmacological activity.
  • Method or process claims: Cover synthetic routes, formulations, or therapeutic methods.

Expected Scope Based on Patent Type:

  1. Chemical Compound Claims:
    The patent likely claims specific novel chemical structures, such as a particular class of molecules, heterocyclic derivatives, or bioisosteres designed for enhanced efficacy or safety. These claims often specify substituents, stereochemistry, and salts or solvates to broaden scope.

  2. Formulation Claims:
    These could include pharmaceutical compositions comprising the novel compound, with specified carriers, excipients, or delivery systems.

  3. Method of Use Claims:
    Possibly covers therapeutic methods for treating specific diseases or conditions using the claimed compound.

  4. Manufacturing Process:
    Claims may involve synthetic pathways or purification steps resulting in the novel compound or formulation.

Claim Breadth and Novelty

  • Narrow vs. Broad Claims:
    In drug patents, overly broad compound claims risk invalidation unless supported by robust inventive step and unexpected utility. Conversely, narrow claims may limit enforceability but improve likelihood of validity.

  • Potential Claim Strategies:
    The patent may employ a core compound claim with multiple dependent claims adding specific features or substitutions, thereby balancing breadth and validity.

  • Scope Limitations:
    Patent claims are constrained by prior art; Japanese patent practice emphasizes clear, inventive characterization. The scope may focus on specific derivatives that demonstrate superior pharmacokinetics, potency, or safety.


Patent Landscape and Strategic Positioning

Precedent and Related Patents

Analyzing the landscape involves identifying prior art disclosed in related applications, scientific literature, and existing patents:

  • Prior Art Searches:
    Likely includes earlier patents on similar chemical classes, such as those for kinase inhibitors, antivirals, or cancer therapeutics, depending on the therapeutic area targeted.

  • Patent Families and Continuations:
    The applicant may have related applications or continuation filings to broaden or refine protection, which are common in drug patents to adapt to evolving science and patentability challenges.

Competitor Activity and Overlaps

  • Major pharmaceutical companies often file patents in Japan to extend global protection. Comparing JP2021502993 to other filings reveals whether it covers a unique chemical space or overlaps with existing patents.

  • Freedom-to-Operate Considerations:
    Overlaps with existing patents may necessitate licensing or designing around strategies. Conversely, a novel compound or formulation improves market exclusivity.

Legal and Regulatory Insights

Patentability in Japan is influenced by strict novelty, inventive step, and industrial applicability. The patent’s robustness hinges on demonstrating:

  • Novel chemical structure not disclosed in prior art.
  • Non-obvious modifications or unexpectedly advantageous properties.
  • Clear utility in a recognized therapeutic indication.

The patent’s strength and longevity depend on overcoming prior art obstacles via precise claims and experimental evidence.


Implications for Industry Stakeholders

  • For Innovators:
    JP2021502993, if deemed robust, provides a valuable foothold in Japanese pharmaceutical markets, safeguarding against generic competition for up to 20 years from the filing date (subject to maintenance fees).

  • For Generic Manufacturers:
    The patent landscape around JP2021502993 offers insights into potential patent barriers, influencing R&D plans or Licensing negotiations.

  • For Investors:
    Patents covering promising compounds or formulations signal potential blockbuster opportunities, especially if aligned with unmet medical needs.


Conclusion

JP2021502993 exemplifies a strategic pharmaceutical patent, likely encompassing specific chemical entities, formulations, or methods for treating particular conditions. Its scope and claims appear structured to balance broad protection with robustness against invalidation risks, positioning it as a potentially strong asset within Japan’s patent landscape.


Key Takeaways

  • Scope and Claims: Focused primarily on novel chemical derivatives or formulations with precisely drafted claims to ensure enforceability while maintaining sufficient breadth to deter competitors.
  • Patent Landscape: Situated within a competitive environment that values early filings, clear inventive steps, and robust claim language.
  • Strategic Positioning: Offers potential for substantial exclusivity in Japan, with implications for licensing, product development, and market entry.
  • Legal Considerations: Validity depends on thorough prior art searches and clear demonstration of inventive step and utility.
  • International Relevance: The patent’s scope may influence regional patent strategies, especially if similar claims are pursued globally.

FAQs

1. What type of claims does JP2021502993 most likely contain?
It likely features chemical compound claims, method-of-use claims, and formulation claims, each carefully drafted to maximize protection and enforceability in Japan.

2. How does JP2021502993 impact patent strategies in Japan for pharmaceutical companies?
It can serve as a critical pillar for exclusivity, guiding R&D focus, licensing negotiations, and potential research around similar or derivative compounds.

3. What are the main challenges in defending patents like JP2021502993?
Overcoming prior art disclosures and proving non-obviousness can be challenging, alongside maintaining claims that are sufficiently broad yet defensible.

4. How does the patent landscape influence generic drug development?
Strong patents like JP2021502993 can act as barriers, prompting generic companies to seek design-around strategies or licensing opportunities.

5. What future developments could affect the patent’s value?
Emerging scientific data, patent litigation outcomes, or new prior art disclosures could challenge validity, while further patent filings could extend protection or broaden coverage.


References

[1] Japan Patent Office (JPO) database. Public documentation on JP2021502993 and related filings.
[2] WIPO PCT patent databases for international family analysis.
[3] Patent landscape studies relevant to pharmaceutical compounds in Japan.

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