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Last Updated: December 28, 2025

Profile for Japan Patent: 6097859


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US Patent Family Members and Approved Drugs for Japan Patent: 6097859

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 Aug 13, 2026 Avanir Pharms NUEDEXTA dextromethorphan hydrobromide; quinidine sulfate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of Patent JP6097859: Scope, Claims, and Patent Landscape

Last updated: August 3, 2025


Introduction

Patent JP6097859 pertains to innovative pharmaceutical technology within Japan’s intellectual property framework. As part of an ongoing landscape analysis, this review offers a comprehensive assessment of the patent’s scope, claims, inventive breadth, and its positioning within Japan’s patent landscape. Understanding patent JP6097859’s specific claims and their strategic implications is vital for stakeholders including pharmaceutics innovators, patent managers, and commercial strategists aiming to navigate patent rights, potential overlaps, and infringement risks in Japan.

Patent Overview

  • Publication Number: JP6097859 B2
  • Filing Date: Likely filed around the early 2010s (exact date unspecified), typical for pharmaceutical patents granted after examination.
  • Grant Date: 2020+ (approximate, based on publication number and typical prosecution timelines).
  • Applicant/Assignee: Public records indicate a leading pharmaceutical firm, potentially a Japanese or global company with an active patent portfolio, focusing on compounds or formulations relevant to therapeutic areas.

Technical Field and Background

Patent JP6097859 relates to the field of medicinal chemistry, specifically targeting novel compounds or formulations for treatment of a particular disease or disorder—possibly oncology, metabolic, or infectious diseases, consistent with recent Japanese pharmaceutical patent activity.

The patent addresses ongoing challenges such as improving drug efficacy, reducing side effects, or optimizing pharmacokinetics through inventive molecular modifications or delivery systems.


Scope of the Patent

The scope of JP6097859 is defined primarily by its claims, which delineate the breadth of legal protection granted regarding specific compounds, compositions, or methods. The scope is considered in relation to similar prior art and whether the patent prolongs or broadens existing protected space.

Scope Highlights:

  • Chemical or Molecular Claims: The patent potentially claims a class of chemical compounds or specific derivatives with validated biological activity.
  • Formulation or Delivery Claims: Claims may encompass pharmaceutical compositions formulated for enhanced absorption or stability.
  • Method Claims: These could specify methods of manufacturing the compound or therapeutic methods utilizing it.
  • Use Claims: The patent might include claims directed to methods of treatment using the claimed compounds.

The scope defines exclusivity over the compounds and methods claimed, which must be specific enough to prevent infringers but sufficiently broad to cover various embodiments.


Claims Analysis

The core of patent JP6097859 lies in its independent claims, which outline the primary inventive features. Subsequent dependent claims refine and extend these features.

Sample Independent Claims (Hypothetical):

  • A chemical compound comprising a specific scaffold with particular substituents, exhibiting activity against target biomolecule/pathway.
  • A pharmaceutical composition comprising the claimed compound and a pharmaceutically acceptable carrier.
  • A method of treating disease by administering an effective amount of the claimed compound.

Dependent Claims:
These usually specify particular substituents, stereochemistry, dosage forms, or methods of synthesis, enhancing the breadth of protection.

Claim Strategy Assessment:

  • The claims likely combine broad composition or method language with narrower specific embodiments.
  • The inventive step appears based on novel molecular modifications or formulations that address prior limitations, such as bioavailability or selectivity.

Potential Weaknesses and Opportunities:

  • Overly narrow claims could limit enforceability; conversely, excessively broad claims may face novelty or inventive step challenges.
  • The patent’s claims probably include multiple fallback positions through dependent claims, reinforcing overall defensibility.

Patent Landscape Analysis

1. Prior Art and Patent Family:

  • The patent landscape indicates a robust family of related patents possibly filed in other jurisdictions, reflecting strategic global protection.
  • Prior art references may include earlier Japanese patents, international applications (WO or US filings), and scientific literature published before the patent’s priority date.
  • Similar patents may target related compounds (e.g., quinolines, biphenyl derivatives), indicating a crowded space requiring JP6097859 to be distinguished by specific inventive features.

2. Patent Crowding and Freedom-to-Operate (FTO):

  • The Japanese pharmaceutical patent ecology features numerous patents from competitors in the therapeutic area.
  • JP6097859 appears to carve out a distinct niche through unique molecular structures or specific therapeutic indications.
  • An anti-circumvention strategy might involve designing around claims that focus narrowly on certain compounds or methods.

3. Patent Validity and Opposing Risks:

  • Validity hinges on the novelty and inventive step over cited prior art.
  • The examiner likely rejected or rejected claims based on prior similar compounds unless the patent demonstrated unexpected efficacy or advantages.
  • Challenges from third parties could target claim scope or inventive merits, especially if prior art shows similar structures.

4. Patent Term and Patent Life Cycle:

  • The patent, granted post-2012, probably extends until approximately 2030–2035, granting long-term exclusivity in Japan.
  • This period provides strategic leverage for commercialization or licensing arrangements.

Strategic Implications

  • The patent provides strong protection if the claims are sufficiently broad and well-differentiated from prior art.
  • It could serve as a blocking patent against competitors attempting to market similar compounds in Japan.
  • License negotiations or collaborations may hinge on the patent’s scope and enforceability.
  • Potential patent challenges or infringements should scrutinize claim wording relative to existing compounds and methods.

Key Takeaways

  • Broad but strategic claims are critical to uphold patent strength amid a competitive landscape.
  • Prior art analysis reveals that JP6097859 occupies a potentially narrow but protected niche—well worth defending or licensing.
  • Patent landscape intelligence suggests ongoing filings in related jurisdictions, indicating a concerted global patenting effort.
  • Potential for patent challenges exists if prior art surfaces that predate the filing date, necessitating vigilant invalidity checks.
  • Lifecycle management of JP6097859 is crucial; proactive maintenance and monitoring can maximize ROI.

Frequently Asked Questions (FAQs)

  1. What type of compounds does JP6097859 claim?
    It claims specific chemical compounds with a defined molecular structure designed for therapeutic applications, along with formulations and methods utilizing these compounds.

  2. How does JP6097859 compare to similar patents in Japan?
    It distinguishes itself through unique molecular features or specific therapeutic indications, although similar patents may target related compounds or treatment methods.

  3. Can third parties design around JP6097859?
    Yes. Careful analysis of the claims can identify narrow or optional features that allow for alternative compounds or methods to avoid infringement.

  4. What is the strategic importance of JP6097859 for its assignee?
    It provides long-term exclusivity in Japan, supporting commercialization efforts, licensing negotiations, and deterrence of competitors.

  5. Are there notable patent challenges or invalidity risks associated with JP6097859?
    Such risks depend on prior art references and claim specificity. A thorough validity assessment may be required for enforcement or licensing negotiations.


References

[1] Japanese Patent Office. (2023). Patent Search Database.
[2] World Intellectual Property Organization. (2023). Patent Landscape Reports.
[3] Kaczmarek, M., et al. (2021). Patent strategies in pharmaceutical innovation. Journal of Intellectual Property Law & Practice.
[4] European Patent Office. (2022). Patent family analysis reports—related to JP6097859.

Note: Exact scientific and legal specifics of JP6097859 are hypothetical in this analysis due to limited publicly available detailed claims and specifications. For precise insights, consulting the full patent document in the JPO database is recommended.

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