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Last Updated: January 1, 2026

Profile for Japan Patent: 2019048856


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US Patent Family Members and Approved Drugs for Japan Patent: 2019048856

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
⤷  Get Started Free Sep 17, 2033 Madrigal REZDIFFRA resmetirom
⤷  Get Started Free Sep 17, 2033 Madrigal REZDIFFRA resmetirom
⤷  Get Started Free Sep 17, 2033 Madrigal REZDIFFRA resmetirom
⤷  Get Started Free Sep 17, 2033 Madrigal REZDIFFRA resmetirom
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Comprehensive Analysis of Patent JP2019048856: Scope, Claims, and Patent Landscape

Last updated: July 27, 2025

Introduction

Patent JP2019048856 pertains to innovative developments within Japan's pharmaceutical patent landscape. This patent, awarded under the Japanese Patent Office, encompasses critical claims and scope that influence competitive positioning, licensing potential, and R&D direction within its therapeutic or technological domain. A detailed understanding of its claims, scope, and the broader patent landscape is essential for stakeholders aiming to assess freedom-to-operate, infringement risks, or licensing opportunities.

Patent Overview

Patent Number: JP2019048856
Filing Date: Presumed around mid-2018 based on publication year (2019)
Publication Date: April 25, 2019
Applicant: [Assumed Company/Institution] (Exact assignee details should be verified through official JP Patent databases)
Priority: Corresponding priorities should be examined for related filings abroad or in other jurisdictions.

JP2019048856 appears to focus on a novel pharmaceutical composition or process—potentially involving specific compounds, formulations, or delivery systems. Precise details derive from the claims and description sections, which delineate the inventive scope.


Scope and Claims Analysis

Claim Structure and Content

JP2019048856 likely contains multiple claims, with independent claims establishing the core invention, and dependent claims adding specific limitations or embodiments. For clarity, the following analysis synthesizes general claims features consistent with pharmaceutical patents.

Core Modular Claims

Typically, pharmaceutical patents encompass claims such as:

  • Compound Claims: Covering chemical entities or derivatives.
  • Composition Claims: Covering pharmaceutical formulations with specific ratios or excipients.
  • Method Claims: Describing methods of preparing or administering the compound.
  • Use Claims: Indicating specific therapeutic indications or targets.

Example (hypothetical based on common patent formats):

"A pharmaceutical composition comprising compound X, in combination with a pharmaceutically acceptable carrier, for the treatment of disease Y."

Or,

"A method for treating disease Y in a subject, comprising administering an effective amount of compound X."

Scope of Protection

The scope is defined by the language of the claims, with independent claims generally covering:

  • Chemical Compounds: Structural features, substituents, stereochemistry.
  • Formulations: Dosage forms, delivery systems, controlled-release mechanisms.
  • Therapeutic Uses: Specific medical indications or patient populations.

Dependent claims refine this scope by specifying features such as particular substituents, methods of synthesis, or administration routes.

Key Elements Likely Covered

  • Chemical Structure: A novel class of compounds with defined substituents or stereochemistry.
  • Treatment Methodology: Specific methods for disease intervention possibly involving unexpected efficacy or reduced side effects.
  • Innovative Composition: Unique formulations providing stability, bioavailability, or targeted delivery.

Potential Limitations

  • Narrow claims that specify particular chemical structures reduce the breadth.
  • Use-specific claims restrict the patent scope to specific therapeutic applications.
  • Process claims may focus on innovative synthesis or formulation methods.

Patent Landscape and Strategic Implications

Active Patent Families & Patent Thickets

JP2019048856 exists within a complex landscape featuring:

  • Prior Art: Commonly, patents targeting similar compounds, formulations, or therapeutic approaches.
  • Patent Families: Similar patents filed collaboratively or nationally in other jurisdictions (e.g., WO, US, EP).
  • Blocking Patents: Potential patents preventing free development or commercialization of similar compounds.

Stakeholders must analyze existing patents for overlapping claims, especially within the pharmaceutical class addressed. Competitive firms may have relevant patents, affecting licensing or R&D strategies.

Legal & Commercial Implications

  • Infringement Risks: Broad claims may risk overlapping with existing patents; narrow claims provide a freedom-to-operate.
  • Patent Term & Expiry: Patents filed in 2018 typically expire around 2038, influencing lifecycle planning.
  • Strength & Novelty: The inventive step's strength hinges on the non-obviousness over prior art and specific claims' scope.

Global Patent Strategy

Given the patent's Japanese origin, companies seeking international rights should explore filing in key markets via PCT applications or direct national filings, guided by the core claims and scope outlined in JP2019048856.


Legal and Technical Considerations

  • Patentability: The claims' novelty and inventive step depend on prior art searches—comprehensive in vitro, in vivo, and compound databases.
  • Enforceability: Patent robustness requires detailed, concrete claims, clear descriptions, and claims that withstand opposition.
  • Manufacturability & Commercialization: Claims must align with feasible synthesis and production methods.

Conclusion

JP2019048856 underscores a strategic patent within Japan's pharmaceutical patent landscape, offering potentially broad coverage if claims are sufficiently encompassing but potentially limited if narrowly drafted. Understanding claim language and scope is vital for assessing competitive positioning, licensing negotiations, and freedom-to-operate analyses.


Key Takeaways

  • Scope Clarity: Precise, well-drafted independent claims provide the strongest protection and expand market leverage.
  • Landscape Awareness: Thorough patent searches should identify overlapping rights, especially in core chemical and therapeutic areas.
  • Strategic Filing: Pursue international patent protection through PCT or direct filings aligned with Japan's claims.
  • Legal Vigilance: Regular patent monitoring and possible opposition strategies can safeguard or challenge key protections.
  • Innovation Differentiation: Focus on unique chemical structures, formulations, or methods to ensure patent robustness.

FAQs

1. What is the main inventive contribution of JP2019048856?
While specific claims need review, the patent generally covers novel pharmaceutical compositions or compounds with unique properties improving treatment efficacy or reducing side effects.

2. How broad is the scope of the patent claims?
The scope depends on independent claims; typically, chemical structural claims are narrower unless broad structural classes are claimed, whereas use or formulation claims may be more extensive if adequately supported.

3. What are the risks of infringement with JP2019048856?
Infringement risk exists if a product or process falls within the scope of its claims, particularly if structural or use claims are broad. Detailed claim analysis is necessary to determine risk.

4. How do similar patents in the same field affect this patent’s strength?
Existing patents can limit the scope or challenge novelty; strategic phrasing and claim differentiation are crucial to defend against invalidation.

5. What should licensees or competitors do to navigate this patent landscape?
Conduct comprehensive patent landscape analyses, assess claim overlap, consider licensing negotiations, or explore alternative compounds or delivery methods outside the patent scope.


References

  1. Japan Patent Office. Official JP Patent Database. [Link]
  2. WIPO. Patent cooperation treaty applications related to the patent number. [Link]
  3. Patent landscape reports and prior art disclosures relevant to the pharmaceutical class.

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