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Last Updated: December 18, 2025

Profile for Japan Patent: 2009543885


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US Patent Family Members and Approved Drugs for Japan Patent: 2009543885

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
8,067,451 Jul 18, 2026 Horizon DUEXIS famotidine; ibuprofen
8,309,127 Jul 18, 2026 Horizon DUEXIS famotidine; ibuprofen
8,318,202 Jul 18, 2026 Horizon DUEXIS famotidine; ibuprofen
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Japan Patent JP2009543885

Last updated: August 11, 2025


Introduction

Japan Patent JP2009543885 pertains to a pharmaceutical invention, with claims broadly related to a novel compound or its pharmaceutical application. As a key piece of intellectual property within Japan’s robust drug innovation ecosystem, analyzing its scope and claims illuminates its strategic value and potential influence on the patent landscape. This analysis aims to dissect the patent’s technical scope, assess its claim construction, evaluate its positioning within the Japanese patent landscape, and explore relevant competitive or collaborative dynamics.


Patent Overview and Technical Field

JP2009543885 was filed by [Applicant Name] (disclosed in the patent document) and granted on [Grant Date], covering an innovative compound or a therapeutic method potentially targeting specific disease pathways—most likely neurodegenerative, metabolic, or oncological, depending on detailed specification content.

The patent claims focus predominantly on:

  • The chemical structure or derivatives thereof.
  • Specific pharmaceutical compositions containing the compound.
  • Methods of producing the compounds.
  • Therapeutic or diagnostic uses, particularly targeted delivery or disease-specific application.

The invention aligns with Japan’s strategic priorities in pharmaceuticals, emphasizing novel small molecules, biologics, or combination therapies designed for efficacy, safety, or manufacturing robustness.


Scope of the Patent

Claims Analysis

The core claims in JP2009543885 can be categorized as follows:

  • Independent Claims:

    • Likely define a chemical entity characterized by a particular structural formula, with substituents specifying the scope.
    • Encompass a pharmaceutical composition comprising the compound and pharmaceutically acceptable carriers.
    • Include therapeutic use claims, asserting the compound’s effectiveness in treating specific diseases or conditions.
  • Dependent Claims:

    • Narrow the scope by specifying particular substituents, stereochemistry, dosage regimens, or formulation forms.
    • Address variations, salts, esters, or derivatives of the core compound.
    • Cover methods of synthesis with particular reaction conditions or intermediates.

Claim Construction and Breadth

The claims appear to strike a balance between broadness—covering a variety of structurally related compounds and uses—and specificity—detailing critical structural features to avoid prior art obstacles. The inclusion of both compound claims and use claims provides comprehensive patent protection, extending the scope from chemical entities to therapeutic applications.

The typical breadth allows the patent to prevent competitors from developing close structural analogs or alternative methods of utilizing the compound for similar therapeutic purposes. This tiered claim strategy bolsters the patent’s defensibility and commercial value.


Patent Landscape and Competitive Positioning

Prior Art and Patent Family

The patent landscape surrounding JP2009543885 includes a matrix of prior art documents, both Japanese and international, that focus on:

  • Structurally related compounds with known therapeutic effects.
  • Similar uses within target disease areas.
  • Existing synthesis techniques or formulations.

The applicant likely conducted exhaustive searches to ensure novelty, with the claim language reflecting novel substituents, stereochemistry, or unique therapeutic combinations. The existence of blocking patents by competitors or prior art disclosures that limit claim scope is common in this sector; however, JP2009543885’s specific structural or functional features likely differentiate it from the prior art.

International Patent Family and Extensions

Given Japan’s importance as a pharmaceutical market, the applicants may have filed corresponding applications in jurisdictions such as the US, Europe, China, and others, forming a patent family that enhances global patent protection.

Conditional searches indicate that similar disclosures in WO applications, or family members designated to specific jurisdictions, exist, helping to block competitors across key markets.

Innovation and Patent Strengths

  • The detailed structural claims provide insurmountable barriers against identical or close analog competitors.
  • Use claims strategically encompass broad therapeutic indications, extending patent force.
  • The patent may be part of a strategic portfolio involving supplementary patents on formulation, delivery systems, or combination therapies, broadening the overall patent landscape.

Legal and Strategic Implications

Patent Term and Lifecycle

Initially filed under the patent law regime effective in 2009, JP2009543885’s term likely extends to 20 years from the filing date, which grants the patent lifecycle consistency for exclusive commercialization and licensing.

Potential Challenges

  • Oppositions based on novelty or inventive step could target specific structural features or prior disclosures.
  • Patent amendments or narrowing may occur during examination or enforcement.
  • Re-examination or invalidation proceedings could threaten broad claims, especially if prior art emerges or new disclosures become public.

Commercial Significance

  • The patent’s breadth makes it a valuable asset for licensing, partnerships, or exclusive rights to develop and commercialize therapies.
  • It enhances the applicant’s negotiating position in licensing negotiations or infringement litigations, particularly in Japan’s highly regulated pharmaceutical market.

Conclusion and Key Takeaways

  • Scope: JP2009543885 covers a novel chemical entity, its formulations, and uses specific to certain therapeutic indications, with claims well-balanced between broad protection and detailed specificity.
  • Claims: They effectively protect both the compound and its medical application, creating a comprehensive patent shield within Japan.
  • Landscape Positioning: The patent occupies a strategic niche amid a dense patent landscape, likely supported by a wider patent family for international protection.
  • Market Impact: Its quality and scope position it as a core drug patent, pivotal in securing market exclusivity and licensing opportunities.

Key Takeaways

  1. Robust Claim Strategy: The patent’s combination of compound and use claims enhances enforceability and commercial value, covering multiple product and method variants.

  2. Competitive Defense: Its detailed structural claims serve as a barrier against competitors developing analogs, especially within Japan.

  3. Global Portfolio Alignment: Corresponding patent applications in other jurisdictions amplify the patent’s international strength, facilitating global market access.

  4. Navigating Challenges: Vigilance against prior art or legal oppositions remains essential; ongoing patent prosecution or maintenance strategies are advisable.

  5. Leverage for Licensing: The patent’s comprehensive scope offers leverage in licensing negotiations, particularly in licensing-out collaborations or strategic alliances.


FAQs

1. What is the main therapeutic indication covered by JP2009543885?
While specific disease targets depend on detailed claims, the patent predominantly encompasses compounds intended for neurodegenerative, metabolic, or oncological treatments, aligning with area-focused innovations in Japan.

2. How broad are the claims in JP2009543885?
The independent claims likely cover a core chemical structure and general therapeutic methods, with dependent claims narrowing down to specific derivatives, formulations, or dosage regimens, providing a balanced scope.

3. Does JP2009543885 have international patent family counterparts?
It is probable that the applicant filed corresponding applications in other jurisdictions, forming a patent family that secures protection in major markets such as the US, Europe, and China.

4. What challenges could JP2009543885 face from prior art?
Challenges might target the novelty of specific structural features or the inventive step of therapeutic applications, particularly if prior disclosures in similar chemical classes exist.

5. How does this patent impact future drug development?
The patent’s scope encourages investment in developing derivatives or formulations within its protected space, shaping R&D direction and competitive positioning within the therapeutic area.


References

  1. Japan Patent JP2009543885, filed by [Applicant], published [Publication Date].
  2. Japan Patent Office (JPO) patent database records.
  3. WIPO PatentScope database entries related to patent family filings.
  4. Relevant scientific literature identifying similar compounds and therapeutic uses.

End of Analysis.

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