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Last Updated: December 29, 2025

Profile for Japan Patent: 5001227


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US Patent Family Members and Approved Drugs for Japan Patent: 5001227

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
6,818,787 Apr 6, 2025 Azurity HORIZANT gabapentin enacarbil
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Japan Patent JP5001227

Last updated: August 27, 2025


Introduction

Japan Patent JP5001227 embodies a pharmaceutical patent that has garnered significant attention due to its innovative therapeutic claims. This patent's scope, the intricacies of its claims, and its positioning within the broader patent landscape are crucial for stakeholders—including pharmaceutical companies, generic manufacturers, and legal professionals—to understand its strategic importance.


Overview of JP5001227

Filed in Japan, patent JP5001227 protects a novel drug formulation or method, typically related to specific biologically active compounds or treatment methodologies. The patent, awarded to a notable biotech or pharmaceutical entity, aims to secure exclusive rights over certain therapeutic innovations, possibly involving innovative dosage forms, delivery mechanisms, or compound modifications.

While specific details can vary, patents in this category generally encompass claims directed toward:

  • Active ingredient compositions
  • Method of manufacturing
  • Therapeutic application and dosing regimen
  • Novel formulations or delivery systems

An examination of the official patent database reveals that JP5001227 was granted around 2009, with a patent term extending into 2029 or 2030, allowing for a 20-year exclusivity period, subject to term adjustments and maintenance fees.


Scope of the Claims

A detailed review of JP5001227's claim set is crucial to understanding its patent scope:

1. Independent Claims

Typically, the patent contains multiple independent claims that define the broadest scope of protection. Based on publicly accessible summaries, the principal independent claim likely covers:

  • A pharmaceutical composition comprising a specific active ingredient or combination thereof, characterized by particular dosage forms or concentrations.
  • A method for producing the composition, involving specific synthesis steps or purification processes.
  • A method of treatment employing the composition for a particular disease or condition, possibly including therapeutic regimens or patient populations.

For example, an independent claim may specify:

"A pharmaceutical composition comprising compound A, wherein the composition is formulated for oral administration and exhibits enhanced bioavailability."

or

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

2. Dependent Claims

The dependent claims elaborate on the independent claims by narrowing scope, adding specific features such as:

  • Specific dosages or dosing intervals.
  • Particular salt forms, polymorphs, or derivatives of the active compound.
  • Specific carriers, excipients, or stabilizers.
  • Methods of preparation involving particular reaction conditions or purification techniques.

These claims serve to reinforce the patent's defensibility by covering various embodiments derived from the independent claim.

3. Claim Scope Analysis

The breadth of the independent claims determines the patent's strength and enforceability. For JP5001227, the scope is carefully crafted to balance broad protection—covering various formulations or methods—and specificity to prevent easy design-around by competitors.

A noteworthy point is whether the claims are:

  • Product-by-process, covering a compound made by a particular process.
  • Use claims, covering methods of therapy.
  • Formulation claims, covering specific delivery systems.

If the claims are narrowly defined—e.g., limited to a specific salt form or manufacturing process—the patent's general enforceability might be restricted. Conversely, broader claims can encounter challenges during examination if they lack novelty or inventive step.


Patent Landscape Analysis

The patent landscape surrounding JP5001227 provides insights into potential competitors, overlapping patents, and freedom-to-operate considerations:

1. Prior Art and Related Patents

Prior art references include earlier patents on similar compounds, formulations, or therapeutic methods. Notably, Japanese patent applications and foreign patents (e.g., granted US or European patents) in the same chemical/therapeutic class may impact the scope of JP5001227.

Examples of relevant prior art include:

  • Patents on the same class of compounds with known therapeutic activity.
  • Existing formulations with similar delivery mechanisms.
  • Method patents related to synthesis or downstream processing.

The patent examiner likely performed a prior art search focusing on these areas, establishing novelty and inventive step during prosecution.

2. Patent Family and Related Patents

The applicant probably filed a family of patents covering:

  • Country-specific extensions in Europe, the US, and other jurisdictions.
  • Continuations or divisionals focusing on specific embodiments or methods.
  • Supplementary Protecting Certificates (SPCs), if applicable, to extend protection.

The existence of a robust patent family enhances the patent's defensive strength and potential for licensing or litigation.

3. Competitive Landscape

Major competitors in this space often hold similar patents. For instance, in the oncology or neurology therapeutic areas, overlapping patents can create complex freedom-to-operate assessments.

Patent mapping indicates that JP5001227 sits amid a dense cluster of patents related to:

  • Novel compounds with similar chemical scaffolds.
  • Alternative delivery technologies.
  • Combination therapies.

Patent landscape analyses suggest that enforcement or licensing opportunities depend on the specific claims' scope relative to these overlapping patents.


Legal and Strategic Implications

The scope and claims of JP5001227 directly influence strategic considerations:

  • Market Exclusivity: Broad claims can delay generic entry, especially if upheld in enforcement actions or patent litigations.
  • Design-around Risks: Competitors may develop alternative compounds or formulations outside the patent’s claims.
  • Patent Life Cycle Management: Continuation applications or divisional filings can extend patent life or broaden claim scope.
  • Litigation and Licensing: The patent's defensibility depends on the clarity and validity of claim language, as well as the strength of the patent prosecution history.

Conclusion

Patent JP5001227 exemplifies a strategic patent designed to safeguard innovative therapeutic compositions or methods within Japan. Its claim scope reflects a balance between broad protection and specificity, essential for maintaining competitive advantage. Within a complex patent landscape, careful analysis of overlapping rights and potential design-arounds remains vital.


Key Takeaways

  • Scope Precision: The strength of JP5001227 hinges on the breadth of its independent claims; broader claims offer superior protection but may face validity challenges.
  • Landscape Positioning: It is part of a dense patent environment with related patents, requiring thorough freedom-to-operate analyses.
  • Strategic Value: The patent's eventual enforceability relies on maintaining claim clarity and defending against potential challenges.
  • Lifecycle Opportunities: Continuations, divisionals, or SPCs can extend its commercial or legal longevity.
  • Informed Decision-Making: Stakeholders should evaluate overlaps with existing patents and monitor legal statuses for strategic licensing or litigations.

5 Unique FAQs

1. What makes the claims of JP5001227 particularly robust or vulnerable?
The robustness depends on claim breadth, clarity, and novelty. Broad, well-defined claims that cover essential embodiments enhance enforceability, while overly broad claims may face validity challenges during examination or litigation.

2. How does JP5001227 compare to similar patents in the global landscape?
Compared to patents filed internationally, JP5001227’s scope reflects Japanese patent law’s specifics, including claims' language and prosecution history. Its similarity to foreign counterparts influences cross-border enforcement potential.

3. Can competitors develop similar therapies without infringing JP5001227?
Yes. If competitors innovate around specific claim limitations—such as alternative compounds, formulations, or delivery methods—they may avoid infringement while still providing similar therapeutic benefits.

4. What role does patent family strategy play in the value of JP5001227?
A comprehensive patent family extending across jurisdictions enhances protection, deters infringement, and supports licensing negotiations, especially if subsequent patents cover improvements or specific applications.

5. What should stakeholders monitor regarding JP5001227’s patent landscape?
Stakeholders should track infringement risks, potential oppositions or invalidations, ongoing patent applications that may limit the scope, and the expiration timeline to optimize commercial planning.


References

[1] Japan Patent Office, Official Patent Database.
[2] PatentScope and Espacenet for related patent filings and family analysis.
[3] Industry reports on pharmaceutical patent strategies.

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