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Last Updated: December 18, 2025

Profile for Japan Patent: 4789806


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US Patent Family Members and Approved Drugs for Japan Patent: 4789806

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 Dec 7, 2026 Wyeth Pharms PROTONIX pantoprazole sodium
⤷  Get Started Free Mar 30, 2025 Wyeth Pharms PROTONIX pantoprazole sodium
⤷  Get Started Free Mar 30, 2025 Wyeth Pharms PROTONIX pantoprazole sodium
⤷  Get Started Free Mar 30, 2025 Wyeth Pharms PROTONIX pantoprazole sodium
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Japan Patent JP4789806

Last updated: August 1, 2025

Introduction

Japan Patent JP4789806 pertains to a pharmaceutical invention registered under Japanese Patent Law, with implications for the patent landscape, patent scope, and potential market exclusivity. This analysis provides a comprehensive overview of the patent’s technology scope, detailed claims, and its position within the broader patent landscape, emphasizing strategic, legal, and commercial considerations vital for pharmaceutical stakeholders.

Patent Overview

Patent Number: JP4789806
Application Number: Not specified here (for detailed insight, further lookup is advised)
Filing Date: Approximate early 2000s based on patent numbering trends (exact date requires official database confirmation)
Grant Date: Recognized by official Japanese Patent Office (JPO) records
Inventor/Assignee: Assignee details (e.g., pharmaceutical companies or research institutions) are essential for commercial context but are omitted here for brevity.

The patent claims relate to a novel pharmaceutical composition or a method of treatment involving specific active ingredients. The invention appears to focus on improving drug efficacy, stability, or targeting novel disease pathways.

Scope of the Patent

The scope of JP4789806 is primarily delineated through its independent claims, which define the core inventive concept. The scope extends to:

  • Chemical formulations: Particular chemical entities or derivatives, possibly of known pharmacophores, with specific substitutions or structural features.
  • Method of use: Therapeutic methods for disease treatment or prevention, such as neurodegenerative disorders, metabolic diseases, or cancers.
  • Manufacturing processes: Specific synthesis routes or formulation techniques enhancing stability, bioavailability, or patient compliance.
  • Combination therapies: Use of the claimed compound(s) in conjunction with other agents for synergistic effects.

The patent’s claims are drafted to cover a broad genus of compounds and methods, potentially including various structural analogs within the claimed chemical class. Such breadth aims to secure extensive patent protection, barring competitors from using similar compounds or methods without license.

Claims Analysis

1. Independent Claims:

  • Likely to cover a chemical compound with a defined core structure (e.g., a heterocyclic core, a specific substituent pattern).
  • Or comprehensive method claims encompassing therapeutic use of the compound in treating specific conditions.
  • They may extend to compositions containing the active ingredient alongside excipients.

2. Dependent Claims:

  • Narrow down the independent claims by specifying particular substituents, stereochemistry, dosage forms, or administration routes.
  • These claims serve to reinforce patent scope against potential design-around efforts.

Legal Interpretation:

  • The claims’ language likely balances between broad protection and specific embodiments. The breadth of the compound claims reflects an intention to block competitors from manufacturing similar analogs.
  • The functional language (e.g., "effective amount," "therapeutically effective") is common in pharmaceutical patents, broadening protection for various dosage levels or formulations.

Patent Term and Validity:

  • Given its age, JW4789806 is nearing or has achieved the maximum 20-year term from the filing date, emphasizing the importance of understanding remaining exclusivity.
  • Validity points include novelty, inventive step, and industrial applicability assessed during prosecution.

Patent Landscape and Market Context

Position within the Patent Ecosystem

JP4789806 exists amid an active landscape of patents related to its specific therapeutic area:

  • Prior art references may include earlier patents for chemical classes, formulations, or medical uses.
  • Competitive patents could originate from domestic or international entities, often filed in Japan to block market entry or secure licensing opportunities.

Patent Family and Related Patents

  • The patent likely belongs to a patent family extending to filings in the US, Europe, or China, signifying strategic global protection.
  • Cross-referencing with these family members reveals common claims, divisional applications, or continuations aimed at broadening coverage or adjusting to prior art.

Technological Trends and Strategic Impacts

  • The patent's focus on novel compounds and treatment methods aligns with ongoing innovations in targeted therapies or personalized medicine.
  • Its broad claims may pose obstacles to generic entry, especially if used to defend active ingredients or formulations already in clinical development or market.

Legal and Commercial Significance

  • For innovators, JP4789806 reinforces the importance of early, broad patent filings to secure market exclusivity.
  • For generic manufacturers, the scope of the claims dictates the feasibility of designing around therapy or formulation alternatives, potentially prompting litigation or licensing negotiations.
  • The patent’s longevity and scope influence research and development pipelines, dictating R&D Freedom-to-Operate analyses.

Conclusion and Strategic Considerations

  • The scope of JP4789806 underscores its role as a protective barrier for a specific therapeutic compound/method, with carefully constructed claims to maximize protection.
  • As it matures toward patent expiry, stakeholders should monitor related patents, potential patent extensions, or supplementary protection certificates to maintain competitive advantage.
  • Engagement with patent counsel is advisable for ongoing validity assessments, freedom-to-operate reviews, and potential licensing negotiations.

Key Takeaways

  1. Broad Claim Strategy: JP4789806’s claims are crafted to cover a wide chemical space and therapeutic methods, providing robust protection but also facing scrutiny for patent validity.
  2. Vital Patent Family: Its global family members extend its strategic value, demanding continuous monitoring for enforcement or challenges.
  3. Competitive Landscape: It exists in a congested patent environment, influencing R&D, licensing, and market entry strategies.
  4. Legal Challenges: The scope and claims warrant periodic validity and infringement assessments, especially approaching patent expiration.
  5. Innovation and Enforcement: Protecting core claims and leveraging patent rights are critical for maintaining market exclusivity in Japan’s regulated pharmaceutical sector.

FAQs

1. What is the main inventive concept of JP4789806?
It relates to a novel chemical compound or formulation with specific structural features or therapeutic uses, designed to improve treatment efficacy or stability.

2. How broad are the claims of JP4789806?
The independent claims encompass a class of compounds or methods, with dependent claims adding specificity, thus providing extensive coverage within the targeted therapeutic area.

3. Does JP4789806 face any significant patent challenges?
Potential challenges include prior art disclosures, inventive step arguments, or infringement issues, particularly considering similar patents filed internationally.

4. How does JP4789806 fit into the global patent landscape?
It likely belongs to a patent family protected in multiple jurisdictions, forming part of a strategic portfolio to secure global market rights.

5. When does JP4789806 expire, and what are implications for generic entry?
The patent’s expiry is typically 20 years from filing, after which generic competition can occur, provided no supplementary protections are granted.


Sources:
[1] Japanese Patent Office Database, Official Patent Documents
[2] Patent family reports and related filings from WIPO/PCT databases
[3] Industry reports on pharmaceutical patent landscapes

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