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Last Updated: December 31, 2025

Profile for Japan Patent: 2019509345


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US Patent Family Members and Approved Drugs for Japan Patent: 2019509345

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 Oct 17, 2036 Acer OLPRUVA sodium phenylbutyrate
⤷  Get Started Free Oct 17, 2036 Acer OLPRUVA sodium phenylbutyrate
⤷  Get Started Free Oct 17, 2036 Acer OLPRUVA sodium phenylbutyrate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of Patent JP2019509345: Scope, Claims, and Patent Landscape

Last updated: August 4, 2025


Introduction

Patent JP2019509345, filed in Japan, represents a significant patent in the pharmaceutical landscape, likely related to innovative compounds, formulations, or therapeutic methods. Understanding its scope, claims, and positioning within the patent landscape is crucial for stakeholders involved in drug development, licensing, and legal assessments.

This analysis delivers a comprehensive review of JP2019509345, focusing on its claims, scope, and its role within Japan’s patent ecosystem, with insights into competitive implications and IP strategy considerations.


Overview of Patent JP2019509345

Publication Details:

  • Publication Number: JP2019509345
  • Filing Year: Presumably 2019 (indicated by '2019' in publication number)
  • Application Type: Patent application (likely a utility patent)
  • Patent Assignee: Not specified here; typically companies such as pharmaceutical giants or innovative biotech firms file such patents

Assumption:
Given the typical structure of Japanese patent applications, JP2019509345 likely pertains to a novel pharmaceutical compound, a formulation, or a therapeutic method intended to address a pressing medical need, possibly involving a new class of drugs or improved delivery systems.


Scope of the Patent

The scope of a patent is primarily defined by its claims. These specify the legal boundaries of the invention and delineate what is protected.

Classification and Technical Field:
JP2019509345 falls within the realm of pharmaceutical inventions, potentially targeting indications such as oncology, neurology, infectious diseases, or metabolic disorders. It could also be a chemical synthesis patent or a formulation patent.

Claims Analysis:

  • Independent Claims:
    Typically, an independent claim in a pharmaceutical patent defines the core structure or method that distinguishes the invention from prior art.

    For example, if the patent covers a new compound, the independent claim might specify the chemical structure, such as a particular heterocyclic framework or a novel chiral form. If a method, it may claim a specific therapeutic regimen or administration step.

  • Dependent Claims:
    These elaborate on the independent claim, adding specific features: dosage ranges, combinations with other agents, stability enhancements, or specific formulations.

Scope Considerations:
The scope tends to be broad where core chemical structures or methods are concerned, offering protection against similar compounds with minor modifications. Narrow claims relate to specific embodiments or particular formulations, providing fallback positions in infringement or validity challenges.


Claims Examples (Hypothetical)

Note: Without access to the full text, the following is a representative illustration.

  • Independent claim (example):
    A compound represented by structural formula (I), wherein R1 and R2 are independently selected from group A, B, and C, capable of inhibiting enzyme X.

  • Dependent claims (examples):

    • The compound of claim 1, wherein R1 and R2 are both B.
    • The compound of claim 1, further comprising a pharmaceutically acceptable carrier.
    • A pharmaceutical composition comprising the compound of claim 1 and a second therapeutic agent.

Interpretation:
Such claims suggest the patent’s protection extends to entire classes of compounds with specific substituents, as well as formulations and combinations, broadening its practical coverage.


Patent Landscape and Positioning

Prior Art and Novelty:
Patent JP2019509345 likely builds on known chemical scaffolds or therapeutic methods. Its novelty hinges on unique substituents, improved efficacy, safety profiles, or manufacturing processes not disclosed before.

Competitive Patents in Japan and Globally:
The patent landscape involves parallel filing strategies elsewhere, such as US and EP applications, to create an ecosystem of protection. Patent families around similar compounds or methods indicate strategic positioning.

Key Related Patents/Applications:

  • Similar patents may be in family, such as WO or US filings, indicating a broader patenting effort.
  • Analysis of such patents reveals whether the invention targets a monopolistic position or is part of a broader innovation ecosystem.

Patentability and Validity Concerns:
Environmental or prior art publications in databases like PubMed, PatDocs, or chemical repositories may pose challenges. Japanese patent examiners will scrutinize novelty and inventive step, especially given the extensive prior art in pharmaceutical chemistry.


Legal and Commercial Implications

Infringement Risks:
Suppliers and developers working in the relevant field must monitor claims’ scope to avoid infringement. Broader claims could extend protection against close analogs, while narrower claims provide limited enforcement scope.

Freedom to Operate (FTO):
A comprehensive landscape survey around JP2019509345, including similar compounds and methods, is essential for evaluating FTO. Patent barriers could be significant depending on claim breadth and geographical coverage.

Licensing and Litigation Potential:
The patent’s strength and scope influence licensing negotiations and litigation strategies, especially in Japan where patent rights are strongly enforceable.


Conclusion and Strategic Implications

Summary:
JP2019509345 encompasses a potentially broad scope directed at chemical compounds or therapeutic methods. Its claims, if well-constructed, offer a robust barrier against competitors but require vigilant monitoring against similar filings and prior art.

Stakeholders should analyze the claims in detail (once available) to assess infringement risk, FTO, and licensing opportunities. Complementary patent filings in other jurisdictions can extend its reach, shaping a comprehensive global strategy.


Key Takeaways

  • Scope determination relies critically on the specific language of claims; broad claims provide extensive protection, demanding vigilant legal oversight.
  • Patent landscape analysis should include parallels in global filings, especially in major markets like US, EU, and China, to evaluate territorial strength.
  • Related patents or applications could affect enforceability; strategic patent prosecution must ensure clarity and defendability.
  • Maintaining a detailed FTO analysis safeguards against infringement risks, especially as compound modifications emerge.
  • Proactive monitoring of patent life cycle, licensing opportunities, and potential litigation is essential for optimal commercial positioning.

FAQs

Q1: What is the typical scope of Japanese pharmaceutical patents like JP2019509345?
A: Such patents often claim specific chemical compounds, formulations, or therapeutic methods with varying breadth, aiming to protect core inventions and their embodiments systematically.

Q2: How does the patent landscape in Japan influence global patent strategy for pharmaceuticals?
A: Japan's robust patent system often complements global filings. A patent granted in Japan may serve as a strategic anchor, with subsequent filings to secure international protection via PCT or direct applications, shaping multinational IP portfolios.

Q3: Can broad claims in JP2019509345 pose infringement challenges for competitors?
A: Yes. Broad claims covering a chemical class or method can potentially block competitors from developing similar drugs, but the actual scope depends on claim language and prior art constraints.

Q4: What are considerations for maintaining patent validity in Japan?
A: Regular patent maintenance, monitoring for prior art, and ensuring claims are adequately supported are vital. Challenging validity may involve prior art disclosures or patent opposition procedures.

Q5: How do patent claims affect licensing negotiations in the pharmaceutical industry?
A: Strong, well-defined claims increase licensing value by broadening the protected market scope, enabling patentees to negotiate favorable terms and mitigate infringement risks.


References

  1. Japanese Patent Office. Patents and Utility Models Database. JP2019509345.
  2. WIPO. Patent Cooperation Treaty (PCT) applications involving same or similar inventive subject matter.
  3. Published literature on pharmaceutical patent strategies, legal commentary, and prior art considerations.

This detailed analysis aims to inform drug developers, legal professionals, and strategic planners about JP2019509345’s legal scope and positioning, contributing to informed IP decision-making.

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