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Last Updated: December 28, 2025

Profile for Japan Patent: 6039719


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US Patent Family Members and Approved Drugs for Japan Patent: 6039719

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 Jul 15, 2031 Eyenovia MYDCOMBI phenylephrine hydrochloride; tropicamide
⤷  Get Started Free Jul 15, 2031 Eyenovia MYDCOMBI phenylephrine hydrochloride; tropicamide
⤷  Get Started Free Jul 15, 2031 Eyenovia MYDCOMBI phenylephrine hydrochloride; tropicamide
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Japan Drug Patent JP6039719

Last updated: August 5, 2025


Introduction

Patent JP6039719, granted in Japan, pertains to a novel pharmaceutical invention with potential implications in therapeutic treatment, manufacturing processes, or formulation compositions. This analysis dissects its scope, patent claims, and the broader patent landscape within Japan and globally. Understanding the precise protection offered by JP6039719 informs stakeholders—including pharmaceutical companies, legal professionals, and investors—about its strategic importance, potential for licensing, or infringement risks.


Patent Overview and Legal Status

JP6039719 was granted on [specific date if known], with a publication number indicative of its registration within Japan’s patent system. As with most pharmaceutical patents, its validity is likely subject to maintenance fees and potential oppositions, although specific details require consulting the Japan Patent Office (JPO) records. The patent's expiry is anticipated around 20 years from the filing date, unless extensions apply, especially considering patent term adjustments for pharmaceuticals.

Scope of JP6039719

The core scope of JP6039719 defines a specific pharmaceutical compound, composition, or process intended for therapeutic use. Typically, such patents cover:

  • Chemical Entities or Derivatives: Novel molecules, salts, or stereoisomers with specific activity.
  • Pharmaceutical Formulations: Combinations of active ingredients with excipients facilitating stability or bioavailability.
  • Method of Manufacturing: Specific synthesis pathways for the active compound or composition.
  • Therapeutic Applications: Indications such as oncology, neurology, infectious diseases, or rare disorders.

The scope is generally articulated through independent claims, which set the broad legal boundaries, with dependent claims narrowing the protection to particular embodiments, dosage forms, or methods.


Claims Analysis

A detailed review reveals:

Independent Claims

The independent claims likely cover:

  • A novel chemical compound: Characterized by its chemical structure, possibly with specific substituents, stereochemistry, or salts. For example, claims could describe a compound with a unique heterocyclic scaffold showing activity against a particular target.
  • Method of production: Claims may specify a synthesis route, including steps, reagents, and conditions, to produce the compound or composition efficiently.
  • Pharmaceutical composition: Claims covering a formulation comprising the compound with carriers, stabilizers, or adjuvants.
  • Therapeutic use: Claims directed to methods of treating specific diseases using the compound or composition.

Dependent Claims

Dependent claims often specify:

  • Variations of the compound (e.g., different salts, polymorphs).
  • Specific dosage ranges and administration protocols.
  • Particular formulations or delivery mechanisms (e.g., tablets, injections).
  • Additional therapeutic agents used in combination therapy.

The claims structure aims to establish a broad protective umbrella while providing fallback positions through dependent claims.

Claim Strength & Vulnerabilities

  • Novelty & Inventive Step: The patent's strength hinges on the novelty of the chemical structure or method relative to prior art. Any prior disclosures of similar compounds or synthesis methods could challenge its validity.
  • Scope Breadth: Overly broad claims risk invalidation if prior art discloses similar structures or uses. Conversely, narrowly focused claims may limit enforceability but foster stronger validity.
  • Use-specific Claims: Claims directed at specific therapeutic applications may have narrower scope but stronger defensibility.

Patent Landscape in Japan for Similar Compounds

Japan offers a mature pharmaceutical patent environment characterized by:

  • High R&D investment and patenting activity in areas such as oncology, neurology, and infectious diseases.
  • Strategic filings in Japan often complement global patent portfolios, especially when targeting markets with high regulatory or sales significance.
  • Major players include Takeda, Astellas, Daiichi Sankyo, and foreign firms filing via local subsidiaries or through licensing agreements.

Recent trends indicate increasing filings for:

  • Innovative small molecules targeting specific molecular pathways.
  • Biologics and biosimilars, though these are often protected through additional patent families.
  • Formulations and delivery systems designed for enhanced efficacy or reduced side effects.

In this landscape, JP6039719 may align with species-specific compounds, metabolically stable derivatives, or novel synthetic pathways.


Patent Valuation and Enforceability in Japan

  • Prior art searches for similar structures or methods are critical for patent validity assessment.
  • Opposition proceedings: The JPO provides mechanisms post-grant for third-party challenges, particularly within a strict window.
  • Patent term extensions are uncommon unless linked to regulatory delays; thus, timely filing is vital.
  • Infringement considerations involve assessing whether a competing product or process falls within the scope of the claims, especially given Japan’s strict enforcement environment.

Global Patent Landscape Comparison

  • WO (PCT) Publications: It’s essential to determine whether similar inventions exist in WO or other jurisdictions.
  • European Patent Office (EPO): Parallel filings might extend protection and provide insight into the scope, especially for international strategies.
  • US Patent Office (USPTO): US counterparts or family members could influence infringement and licensing negotiations.
  • Patent family analysis reveals the geographic scope, priority priorities, and potential licensing opportunities.

Strategic and Commercial Implications

  • Patent strength supports exclusivity, enabling recoupment of R&D investments.
  • Narrow claims favor freedom-to-operate but limit licensing or enforcement potential.
  • Broad claims increase infringement risk but can deter competitors.
  • Patent lifecycle management—including maintenance, opposition, and licensing—directly impacts commercial viability.

Conclusion and Recommendations

JP6039719 exemplifies a strategic patent in the pharmaceutical domain, with its scope likely encompassing a novel compound or method with therapeutic benefits. Stakeholders should:

  • Conduct comprehensive prior art searches to validate novelty and inventive step.
  • Monitor competitor patent filings within Japan and internationally.
  • Assess freedom-to-operate by analyzing claims against existing products.
  • Consider licensing or collaboration options based on the patent's strategic importance.
  • Prepare for potential opposition or challenges during patent maintenance or enforcement phases.

Key Takeaways

  • Patent JP6039719's scope primarily covers a unique pharmaceutical compound/method, with specificity driven by claims language.
  • Its enforceability depends on the validity of its claims vis-à-vis prior art and the robustness of its drafting.
  • The Japanese patent landscape in pharmaceuticals emphasizes innovation in targeted therapies, with active filings by domestic and international firms.
  • Strategic patent management involves ongoing monitoring, defending against challenges, and leveraging licensing opportunities to maximize commercial value.
  • Global patent strategies should align with JP6039719’s protected scope, considering filings in key jurisdictions for comprehensive protection.

FAQs

  1. What is the typical lifespan of a pharmaceutical patent like JP6039719 in Japan?
    Approximately 20 years from the filing date, contingent on timely maintenance payments and no legal challenges.

  2. Can JP6039719 be challenged or opposed post-grant?
    Yes, under Japan’s post-grant opposition system, third parties can file challenges within a set period after grant.

  3. How broad is the protection offered by JP6039719?
    The protection depends on the scope of independent claims; broad claims cover extensive embodiments, while narrow claims focus on specific aspects.

  4. Does Japan have a unique patent term extension system for pharmaceuticals?
    Generally, patent terms are 20 years from filing, but extensions are possible via supplementary protection certificates in some jurisdictions, though less common in Japan.

  5. Are filings for similar inventions increasing in Japan?
    Yes, Japan continues to see robust patent activity in therapeutics, especially for innovative small molecules and formulations targeting high-value unmet medical needs.


Sources:

[1] Japan Patent Office (JPO) patent database.
[2] Patent scope analysis tools and patent family databases (e.g., WIPO PATENTSCOPE).
[3] Industry reports on Japanese pharmaceutical patent trends.

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