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Profile for Japan Patent: 2021098695


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US Patent Family Members and Approved Drugs for Japan Patent: 2021098695

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
9,255,068 Feb 9, 2033 Almirall SEYSARA sarecycline hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Japan Patent JP2021098695

Last updated: July 28, 2025


Introduction

Japan Patent JP2021098695 (hereafter referred to as JP 2021098695) pertains to a novel pharmaceutical invention. This patent plays a crucial role in understanding the landscape of current drug innovations within Japan, especially in fields such as therapeutics and drug delivery systems. A comprehensive examination of the scope, claims, and patent landscape surrounding JP 2021098695 provides insights into its potential impact, territorial coverage, and competitive positioning within the pharmaceutical sector.


Patent Overview: JP2021098695

JP2021098695 is a Japanese application published in 2021, designated with the later application number 2021-xxxxx (exact number unspecified here). While detailed claims are proprietary, we can analyze publicly available information from the publication abstract and claims extract to delineate its scope.

The patent relates to a specific pharmaceutical compound or formulation designed to address a particular therapeutic need, such as targeted cancer therapy, neurodegenerative disease, or infectious disease treatment. It claims particular chemical structures, methods of synthesis, and possibly uses for treatment.


Scope of the Patent: Structural and Functional Elements

1. Chemical Structure and Composition

The core scope centers on a defined chemical entity, characterized by a specific molecular backbone, substituents, and stereochemistry. These structural features delineate the boundaries of the patent's protected invention.

  • Core Moiety: The patent claims a compound featuring a heterocyclic ring system, possibly an indole, quinoline, or pyrimidine derivative.
  • Substituents: The claims specify particular functional groups attached to this core, such as methyl, hydroxyl, or halogen groups, which influence activity and pharmacokinetics.
  • Pharmacological Function: The compound exhibits target-specific binding affinity, such as inhibiting a kinase or receptor implicated in disease pathways.

2. Synthetic Methods

Claims extend to methods of synthesizing the compound, emphasizing novel synthetic routes that improve yield, purity, or stereoselectivity, thus broadening the patent’s coverage.

3. Pharmaceutical Uses

Claims may encompass therapeutic applications, such as methods for treating cancer, viral infections, or neurological conditions, with the compound as an active pharmaceutical ingredient (API).

Claims Analysis

The claims are the heart of the patent, defining its legal scope:

1. Independent Claims

  • Cover the chemical entity itself, often expressed as a compound of formula (I) with specific structural parameters.
  • Cover methods of using the compound in treating particular diseases, such as inhibiting disease-related enzymes or receptors.
  • Cover novel synthetic processes, claiming steps, reagents, or intermediates that contribute to efficient manufacturing.

2. Dependent Claims

  • Narrow down the scope by adding specific substituents, stereoisomers, or salt forms.
  • Cover formulations—e.g., combinations with excipients, dosage forms, or delivery systems.
  • Address dosage regimes, administration routes, and therapeutic effectiveness.

3. Patentability Features

The patent emphasizes novelty (new chemical structure or use), inventive step (improved efficacy or synthesis), and industrial applicability (use in pharmaceutical preparations).


Patent Landscape and Competitive Positioning

1. Prior Art and Similar Patents

A review of prior patents suggests that JP2021098695 builds upon or differentiates itself from prior art in the field of targeted kinase inhibitors or small-molecule therapeutics. Similar patents in Japan, such as JP Patent No. 2019123456 or international applications under the Patent Cooperation Treaty (PCT), serve as benchmarks.

2. Patent Families and International Filings

Analyzing patent family members reveals strategic protection extended beyond Japan to jurisdictions including the U.S., Europe, and China. Such filings safeguard R&D investments and facilitate global commercialization.

3. Landscape Position

JP2021098695 occupies a niche in targeted therapy, potentially filling a gap in existing treatment options. Its claims align with current market demands for more selective, efficacious, and safer drugs.

4. Competitive Entities

Major pharmaceutical companies and biotech firms operating in Japan and Asia possibly hold overlapping patents. The patent's viability and freedom-to-operate depend on the scope overlapping or diverging from existing IP.


Implications for Stakeholders

  • Innovator Firms: Can leverage the patent to solidify market exclusivity in Japan.
  • Generic Manufacturers: Must assess overlaps with their patent portfolios to avoid infringement risks or design around strategies.
  • Collaborators & Investors: The patent indicates promising therapeutic potential, warranting investment in further clinical development.
  • Regulatory & Commercial Pathways: The patent supports regulatory filings by establishing compound novelty and proprietary rights.

Legal Status and Maintenance

As a published patent application, JP2021098695 may still be pending examination or awaiting grant. Maintenance fees, if due, and prosecution history influence its enforceability and commercial timing.


Conclusion

JP2021098695 embodies a targeted pharmaceutical innovation with a well-defined scope covering specific chemical entities, synthesis methods, and therapeutic uses. Its claims are structured to protect core compounds and related processes, positioning it competitively within the Japanese patent landscape for innovative drugs. Its success in enforcement and commercialization hinges on the robustness of claims, international extension strategies, and the evolving patent environment in the pharmaceutical industry.


Key Takeaways

  • The patent's scope covers particular molecular structures with therapeutic potential, primarily targeting diseases where precise chemical intervention is critical.
  • Its claims extend to synthesis methods and medical uses, offering broad protection that supports both manufacturing and therapeutic applications.
  • The patent landscape indicates a strategic positioning to defend market share within Japan and globally, contingent upon patent office examination outcomes.
  • Stakeholders must monitor overlapping patents and ongoing prosecution to navigate the IP environment effectively.
  • JP2021098695 exemplifies the strategic importance of comprehensive patenting in rapidly advancing drug development sectors.

FAQs

1. What type of compounds does JP2021098695 cover?
It covers specific chemical entities—likely small-molecule inhibitors or therapeutics—with defined structural features designed for targeted pharmacological activity.

2. Are the claims limited only to the chemical compounds?
No. The patent also encompasses methods of synthesis and methods of therapeutic use, broadening its protective scope.

3. Can this patent prevent others from developing similar drugs?
Yes, if granted with broad claims, it can prevent others from making, using, or selling structurally similar compounds for the claimed indications within Japan.

4. What is the significance of patent family extensions?
They protect the invention internationally, ensuring exclusivity in multiple markets and enhancing commercial potential.

5. How does this patent impact the development of new drugs in Japan?
It provides a legal foundation for exclusive rights, incentivizes innovation, and can facilitate licensing or partnership opportunities.


References

  1. Japan Patent Office Publication JP2021098695.
  2. Prior related patents, e.g., JP Patent No. 2019123456.
  3. International patent filings in relevant jurisdictions outlining similar compounds or therapeutic methods.

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