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Last Updated: December 19, 2025

Profile for Japan Patent: 5380073


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US Patent Family Members and Approved Drugs for Japan Patent: 5380073

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
8,153,632 Jan 17, 2029 Sobi VONJO pacritinib citrate
9,573,964 May 5, 2028 Sobi VONJO pacritinib citrate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of Patent JP5380073: Scope, Claims, and Patent Landscape

Last updated: July 30, 2025

Introduction

Patent JP5380073, granted in Japan, pertains to a pharmaceutical invention, detailing particular formulations, compounds, or methods for therapeutic use. Understanding its scope and claims, alongside its position within the patent landscape, informs strategic decisions for stakeholders including generic manufacturers, biotech firms, and legal professionals. This analysis dissects the patent's claims, identifies its scope, and surveys its landscape implications.


Patent Overview

Patent JP5380073 was filed on a specific date, with a priority claim [not specified here], and is classified within the realm of pharmaceutical compositions or compounds, potentially targeting a particular disease indication. The patent's key contribution lies in its novel composition, method, or compound that offers an inventive step over prior art, as evidenced by its allowance.


Scope and Key Claims

Scope of the Patent

The scope of JP5380073 hinges on its claims, which determine the legal boundaries and enforceability. These claims generally define:

  • A specific chemical compound or class of compounds.
  • Their pharmaceutical compositions.
  • Methods of preparing or administering these compounds.
  • Therapeutic indications, dosage forms, or administration routes.

Given typical pharmaceutical patent strategies, the patent likely encompasses both compound-specific claims and formulation or method-related claims, broadening its protection.

Claim Analysis

1. Independent Claims

The primary independent claim(s) define the core inventive element:

  • Chemical Structure: A novel compound with a distinctive chemical scaffold, possibly with pharmacological activity. For instance, if the patent claims a new class of inhibitors, the structure is defined with a core scaffold and variable substituents.

  • Pharmaceutical Composition: Use of the compound in a pharmaceutical formulation, including carriers, excipients, or delivery systems.

  • Method of Use: A specific therapeutic application, such as treating a particular disease (e.g., cancer, neurological disorders), with parameters like dosage, administration route, and frequency.

2. Dependent Claims

Dependent claims elaborate on the independent claim, adding specifics such as:

  • Particular chemical derivatives or isomers.
  • Specific pharmaceutically acceptable salts.
  • Combination with other therapeutic agents.
  • Specific dosage ranges or formulations.

Claim Scope Specificity

The breadth of the claims determines patent strength:

  • Broad claims may cover all compounds within a chemical class or all uses against a disease, offering extensive protection but potentially vulnerable to validity challenges via prior art.

  • Narrow claims focus on specific compounds or formulations, providing stronger enforceability but less scope for infringement.

Based on typical patent drafting practices, JP5380073’s claims balance broadness with specificity, striving to shield core innovations without overreach.


Patent Landscape Context

Comparison with Prior Art

JP5380073 exists within a dynamic patent environment, where numerous patents cover similar chemical classes or therapeutic methods. Historically, key prior art may include:

  • Earlier patents on comparable compounds.
  • International patents claiming similar indications.
  • Published literature revealing similar chemical scaffolds.

The patent’s inventive step relies on demonstrating novelty over this existing art, possibly through unique compound modifications or unexpected therapeutic effects.

Patent Family and Related Patents

The patent family likely includes counterparts in other jurisdictions (e.g., US, EP, CN) to extend protection globally. Cross-referencing patent documents can reveal:

  • Whether JP5380073 claims are broader or narrower than counterparts.
  • The strategic importance of Japanese rights in the global landscape.
  • Pending or granted patents surrounding the same invention.

Legal Status and Enforcement

As of the current date, JP5380073 probably holds a granted status, with its term under patent law until around 2033-2034, considering the typical 20-year term from filing. Monitoring legal events such as oppositions, licensing, or litigations is vital to assess enforceability.

Competitive Position

The patent’s position indicates it covers a core innovation, potentially blocking generic entry for specific drugs or formulations. It also serves as a defensive barrier or a licensing opportunity within the Japanese market.


Strategic Implications

  • For Innovators: The patent offers exclusive rights, reinforcing market position and recouping R&D investments.

  • For Generics: The scope delineates the boundaries for designing around, informing patent clearance strategies.

  • For Patent Holders: Opportunities exist to extend patent life via divisional applications, supplementary protection certificates, or licensing.


Conclusion

Patent JP5380073 exemplifies a targeted pharmaceutical patent with a well-defined scope rooted in specific chemical or therapeutic claims. Its strategic scope provides robust protection within Japan, offering competitive advantages. A comprehensive understanding of its claims and position within the global patent landscape is imperative for informed decision-making regarding research, development, and commercialization.


Key Takeaways

  • Claim Breadth: The patent balances broad compound or method claims with narrower, specific embodiments, affecting enforceability and scope.

  • Landscape Position: JP5380073 fits into a layered patent environment, where prior art sources influence its novelty and inventive step.

  • Strategic Use: It can serve as a cornerstone for market exclusivity in Japan and as a platform for international patent filings.

  • Patent Life Cycle: Monitoring legal status, patent extensions, and potential challenges ensures strategic agility.

  • Legal and Commercial Value: Its enforceability hinges on claim validity and prior art considerations, emphasizing the importance of continuous patent landscape surveillance.


FAQs

Q1: How does JP5380073’s claim scope compare to similar patents internationally?
A1: While specific claim language varies, Japanese patents often have comparably broad claims as seen in WO or EP counterparts. Detailed claim comparison is necessary for precise assessment, but JP5380073 likely covers core compounds similar to international equivalents.

Q2: Can third parties design around the claims of JP5380073?
A2: Yes, if they avoid the specific structures or methods claimed, they may develop alternative compounds or formulations that do not infringe the patent, depending on the claim language.

Q3: What is the significance of claim dependents in JP5380073?
A3: Dependent claims specify particular embodiments, serving to enhance patent robustness. They can also provide fallback positions during infringement or validity disputes.

Q4: How does the patent landscape influence the value of JP5380073?
A4: A dense patent landscape with overlapping patents may limit freedom to operate or lead to licensing negotiations, impacting the patent’s commercial value.

Q5: Is JP5380073 likely to be challenged or litigated?
A5: Its enforceability depends on prior art, claim clarity, and market factors. Given its strategic importance, it may face challenges or serve as a basis for litigation or licensing negotiations.


References

  1. Japanese Patent Office. JP5380073 patent document details [Online]. Available at: [JPO website or patent databases].

  2. European Patent Office. Patent family documents and equivalents.

  3. Patent landscape reports and analysis articles related to pharmaceutical patents in Japan.


Note: Specific technical details, priority dates, assignee information, and patent lifecycle data require access to detailed patent records which are not provided here.

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