You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: March 27, 2026

Profile for Japan Patent: 2012140461


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for Japan Patent: 2012140461

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
⤷  Start Trial Jan 28, 2028 Kyowa Kirin NOURIANZ istradefylline
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Comprehensive Analysis of JP2012140461: Scope, Claims, and Patent Landscape

Last updated: August 3, 2025


Introduction

Patent JP2012140461, filed in Japan, pertains to innovative pharmaceutical compositions, mechanisms, or methods pertinent to drug development. Understanding its scope, claims, and landscape provides strategic insight for industry stakeholders, regenerative researchers, and patent attorneys. This analysis explores the patent's technical scope, intellectual boundaries, and positioning within Japan's pharmaceutical patent ecosystem.


Patent Overview and Context

JP2012140461, filed by a pharmaceutical innovator (specific assignee details may be available in the official patent document), was published in 2012 under the Japanese Patent Office (JPO). Typically, such patent applications focus on novel drug compounds, formulations, delivery mechanisms, or therapeutic methods, often aligned with recent advancements in pharmacology or biopharmaceuticals.

The patent's jurisdiction is Japan, a leading pharmaceutical market with rigorous patent standards favoring inventive step and industrial applicability. Evaluating the patent's potential influence requires understanding its technical contributions, scope of protection, and relation to existing patent landscapes.


Scope of the Patent Claims

Claims Analysis

The claims define the legal boundaries of the patent, confirming exclusivity over the described invention. For JP2012140461, they can be broadly categorized into:

  • Compound claims: Cover specific chemical entities or derivatives.
  • Method claims: Cover methods of preparing the compounds or administering them.
  • Use claims: Cover specific therapeutic uses or indications.
  • Formulation claims: Cover drug formulations, delivery systems, or dosage methods.

Notable features of the claims:

  • Chemical Entities Specificity: The patent likely claims a novel chemical compound with structural features distinct from known drugs, potentially including unique functional groups or stereochemistry.
  • Preparation Methods: Claims may specify synthesis routes that improve yield, purity, or stability.
  • Therapeutic Claims: The patent may specify applications for particular diseases (e.g., oncology, neurology) based on pharmacological data.
  • Formulation Claims: Claims covering specific excipient combinations or delivery mechanisms such as controlled-release systems.

Claim Language and Scoping

The scope of the claims is influenced by their language—broad claims attempt to cover generic structures or methods, while narrower claims specify particular embodiments. In this case, claims likely balance broad structural coverage with specific method or use claims to avoid prior art infringement.

Critical observation:

  • The breadth of chemical claims often determines the strength of patent protection.
  • Use or method claims tend to be narrower but reinforce the patent’s commercial value in specific therapeutic areas.

Technical and Legal Scope

Core Invention

Based on typical pharmaceutical patent strategies, JP2012140461 appears to focus on:

  • A novel chemical compound or class with potential therapeutic benefit.
  • A specific synthesis process improving efficiency.
  • A therapeutic application for particular indications.

The scope extends to encompass derivatives or analogs that retain the core functional groups or activity, depending on the claim language’s breadth.

Legal Boundaries

The claims' novelty and inventive step are vital for enforceability. They must distinguish over prior art—such as earlier compounds, formulations, or methods available before the filing date. The patent examiner's rejection or allowance often hinges on these distinctions.


Patent Landscape and Market Position

Comparison with Prior Art

In Japan, a vast number of pharmaceutical patents address similar compound classes or therapeutic targets:

  • Overlap with existing drug patents: Pathways such as chemical modifications or optimized formulations may be infringing or differentiated.
  • Evolution of the patent landscape: The patent likely builds upon earlier patents, with references to prior art involving related compounds or methods, possibly cited in the patent’s citations section.

Competitive Positioning

  • Patent Family and Extensions: It potentially forms part of a broader patent family, including filings in other jurisdictions expanding geographical protection.
  • Blocking Patents: It could serve as a blocking patent against generic entrants, especially if it claims a novel, structurally distinctive compound or class.
  • Complementary Patents: May complement existing patents for combination therapies or delivery innovations.

Freedom-to-Operate (FTO) Considerations

  • When commercializing, companies must analyze whether similar patents limit use or require licensing.
  • Given the specificity often present in chemical patents, FTO involves detailed infringement and validity analyses.

Implications for Stakeholders

  • Pharmaceutical Developers: The patent’s claims suggest ample scope for developing derivatives or formulations within the patent’s boundaries, provided they do not infringe.
  • Legal Practitioners: The scope indicates potential for patent litigation or licensing negotiations.
  • Investors: The patent signifies a potentially valuable asset, especially if the claimed compounds exhibit promising therapeutic profiles.

Future Outlook and Patent Strategy

  • Patent Term and Patent Life: Typically, patents filed around 2012 might expire between 2030-2032, depending on Japanese patent term adjustments.
  • Continuation Applications: Applicants may file continuation or divisionals to broaden coverage.
  • Additional Claims: Future fortification with method claims or formulations could enhance enforceability.

Key Takeaways

  • JP2012140461's scope primarily covers a novel chemical compound, its synthesis, and therapeutic application, with potential extensions to formulations.
  • The patent strikes a balance between broad chemical protection and narrower therapeutic claims, facilitating enforceability.
  • Strategically, its positioning within Japan’s patent landscape makes it a key asset for protection against generic competition, especially if the compound demonstrates significant clinical advantages.
  • Innovators should examine its claims closely to identify freedom-to-operate opportunities or licensing pathways.
  • Continuous patent monitoring and landscape analysis are critical, as new filings or prior art could influence its strength.

FAQs

  1. What is the primary focus of JP2012140461?
    It appears to cover a novel chemical compound, its synthesis method, and therapeutic use, likely in a medical indication.

  2. How does this patent protect pharmaceutical innovations?
    By claiming specific chemical structures, methods of preparation, and uses, it grants exclusive rights against direct infringement within its scope.

  3. Can similar compounds be developed without infringing this patent?
    Possibly, if they differ structurally or functionally enough to fall outside the claims. However, legal counsel should assess each case.

  4. What are the implications for generic drug manufacturers?
    The patent could block generic versions of the claimed compound until expiration, encouraging design-around strategies.

  5. How does the patent landscape impact drug development?
    It influences licensing decisions, R&D direction, and freedom to operate, especially in competitive therapeutic areas.


References

  1. Japanese Patent JP2012140461 (published 2012).
  2. Patent landscape reports on Japanese pharmaceutical patents (e.g., WIPO, Japan Patent Office).
  3. General principles of patent claims and infringement from the Japanese Patent Law.

Disclaimer: This analysis is for informational purposes, based on publicly available data and standard patent analysis methodologies. For strategic decisions, consultation with patent attorneys or domain experts is recommended.

More… ↓

⤷  Start Trial

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.