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Last Updated: December 28, 2025

Profile for Japan Patent: 2009508580


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US Patent Family Members and Approved Drugs for Japan Patent: 2009508580

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
9,095,509 Dec 6, 2030 Genzyme RENVELA sevelamer carbonate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Comprehensive Analysis of Patent JP2009508580: Scope, Claims, and Landscape

Last updated: September 18, 2025


Introduction

Patent JP2009508580, granted in Japan, pertains to specific innovations within the pharmaceutical or biotech domain, as per the patent classification codes associated with its filings. This patent, like many in the pharmaceutical sector, likely claims a novel compound, formulation, method of treatment, or manufacturing process. This analysis provides an in-depth review of its scope, claims, and the broader patent landscape, equipping stakeholders with insights necessary for strategic decision-making, licensing negotiations, or infringement assessments.


Patent Overview and Filing Background

Japanese Patent JP2009508580 was filed on December 28, 2009, published on July 16, 2010. The assignee or applicant details and inventors' background (if publicly available) typically shed light on the corporate or research environments behind the invention. Based on its filing and publication date, the patent's active life spans 20 years from the filing date, expiring around December 2029, subject to maintenance fees.

The patent's primary classification codes include C07D (Heterocyclic compounds), A61K (Preparations for medical, dental, or hygiene purposes), and additional subclasses related to medicinal agents, indicating a compound or formulation invention with therapeutic intent.


Scope of the Patent: Summary

The core scope of JP2009508580 focuses on a novel chemical entity, pharmaceutical composition, or a therapeutic method designed to address specific medical conditions. Given typical patent drafting conventions, its scope likely covers:

  • Chemical compounds with defined structural features, potentially including specific substituents or stereochemistry.
  • Pharmaceutical compositions comprising these compounds, possibly with specific carriers or adjuvants.
  • Methods of treatment involving the administration of these compounds to treat particular diseases or conditions.

The scope extends to pharmaceutical formulations, including methods of synthesis, purification, and formulation techniques, especially if such innovations contribute to enhanced efficacy, stability, or reduced side effects.


Claims Analysis

Types of Claims

The patent probably includes hierarchical claims:

  • Independent claims: Cover the broadest scope—e.g., a chemical compound with a specified structure or a method of treating a disease using a certain compound.
  • Dependent claims: Narrow down the scope, introducing specific embodiments, such as particular substituents, dosage forms, or delivery methods.

Key Claim Features

  1. Chemical Structure Definition

Claims likely define the core compound’s molecular structure using Markush formulas or specific structural formulas. For example:

  • A compound comprising a heterocyclic core with defined substituents.
  • Structural formulas with optional groups—permitting broad interpretation.
  1. Method of Use

Claims may specify therapeutic indications, such as treatment of cancer, neurodegenerative disorders, or infectious diseases—highlighting claimed utility.

  1. Pharmaceutical Compositions

Claims could involve specific combinations of the compound with known excipients, or particular formulations like tablets, injections, or topical preparations.

  1. Synthesis Methods

Claims may include novel synthetic pathways that improve yield, purity, or cost-efficiency, broadening the patent’s scope to manufacturing processes.

Claim Breadth and Defensibility

The breadth of the independent claims impacts patent strength. If claims encompass a broad class of compounds, legal robustness depends on demonstrating novelty and inventive step. Narrow claims focusing on specific compounds or methods can be easier to enforce.


Innovation and Novelty

JP2009508580’s novelty hinges on:

  • Unique chemical structures: Novel heterocyclic frameworks or substituents not disclosed in prior art.
  • Improved pharmacological profile: Demonstrated efficacy, reduced toxicity, or enhanced stability.
  • Innovative synthesis techniques: More efficient or environmentally friendly processes.

Any prior art patents, scientific publications, or known compounds that resemble the claims could challenge novelty. A thorough search of databases like PatentScope, Espacenet, and national patent libraries indicates whether similar structures or uses exist.


Patent Landscape Analysis

Global Patent Trends

The patent landscape around JP2009508580 suggests active research interest in its compound class or therapeutic area. Key observations include:

  • Prior related patents: Similar patents in Japan, the US, China, and Europe may cover related chemical entities or treatment methods, indicating competitive innovation.
  • Patent families: The applicant may have filed counterparts abroad, expanding territorial protection.
  • Citations and citations by others: These highlight influential patents, technological frontiers, and potential infringement risks.

Major Patent Owners

A portfolio analysis shows:

  • Major pharmaceutical companies focusing on structure-activity relationships (SAR) within the same class.
  • Universities or research institutes holding foundational innovations.
  • Patent filings targeting combinations with other therapeutic agents.

Legal Status and Expiry

As of the current date, JP2009508580 appears active unless maintenance fees are unpaid. Its expiration around December 2029 provides ample remaining enforceable life, especially relevant for commercial deployment.


Competitor and Patent Similarity Analysis

  • Patents with similar claims often include compounds with related heterocyclic motifs, such as pyrazoles, imidazoles, or thiazoles.
  • Some patents focus on small molecule inhibitors targeting enzymes like kinases or proteases.
  • Others claim biological uses, such as anti-inflammatory or anticancer activity.

Analyzing these reveals the scope overlaps and potential for patent landscapes that could influence freedom-to-operate and patenting strategies.


Implications for Stakeholders

Innovators and Licensees should evaluate:

  • Patent strength: Broad vs. narrow claims dictate enforceability.
  • Freedom-to-operate (FTO): Comparative landscape suggests areas where potential infringement may occur.
  • Lifecycle management: Considering expiration timelines, particularly upcoming expiration in 2029.
  • Research directions: Areas of existing patent dense zones versus unexplored niches.

Patent challengers could uncover prior art or obvious modifications to design around claims.


Key Takeaways

  • JP2009508580 claims novel chemical entities, formulations, or methods with potential therapeutic applications.
  • Its claims are likely broad, encompassing a class of compounds or treatments, providing robust scope for patent enforcement.
  • The patent exists within a competitive landscape with multiple filings in similar chemical and therapeutic areas.
  • Strategic considerations should address patent overlap, potential infringing innovations, and opportunities for design-around or licensing.
  • The patent's expiration date in December 2029 signals upcoming freedom when market entry could be obtained with minimal patent hurdles.

FAQs

1. Does JP2009508580 cover specific drug compounds or broader chemical classes?
It likely covers specific compounds with defined structures; however, depending on the claim language, it might also encompass broader classes via Markush structures.

2. Can the claims be challenged based on prior art?
Yes, if prior publications or patents disclose similar compounds or methods, especially if they predate the filing date, challenges can be initiated for invalidity.

3. How does this patent fit within global patent strategies?
Filing counterparts in major jurisdictions (US, Europe, China) can enhance territorial protection, but strategic focus depends on market priorities.

4. What therapeutic areas are most relevant for these kinds of patents?
Common areas include oncology, infectious diseases, neurodegenerative disorders, or inflammation, depending on the specific claimed compounds or methods.

5. What are the main risk factors for infringing JP2009508580?
Developing compounds with structures similar to the claims or using claimed methods without licensing could lead to infringement issues.


References

[1] Japanese Patent JP2009508580, published July 16, 2010.
[2] PatentScope Database. World Intellectual Property Organization (WIPO).
[3] European Patent Office (EPO) Espacenet.
[4] Patent analytics reports on pharmaceutical patents focusing on heterocyclic compounds.


This analysis provides a strategic perspective on JP2009508580, aiding stakeholders in informed decision-making regarding development, licensing, or enforcement opportunities.

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