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

Last Updated: April 14, 2026

Profile for Japan Patent: 2012531277


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for Japan Patent: 2012531277

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 Jun 28, 2030 Janssen Biotech INLEXZO gemcitabine hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Japan Patent JP2012531277

Last updated: November 9, 2025

Introduction

Japan Patent JP2012531277, filed in 2012, pertains to a novel pharmaceutical invention with implications across therapeutic domains. As an important patent within the Japanese intellectual property framework, understanding its scope, claims, and surrounding patent landscape offers valuable insights for industry professionals seeking competitive intelligence, patent strategy, or licensing opportunities.

This analysis provides a comprehensive review of the patent’s scope, detailed examination of its claims, and contextualization within the broader patent landscape impacting the pharmaceutical sector—including innovations, prior art references, and potential overlapping patents.


Scope of Patent JP2012531277

Legal Scope and Purpose

JP2012531277 primarily aims to protect a specific chemical compound, pharmaceutical composition, or method of use—depending on its abstract and claims. The patent's scope defines the boundaries within which the applicant seeks exclusive rights, focusing on chemical entities, their synthesis, pharmaceutical applications, or formulations.

Classification and Patent Type

According to the International Patent Classification (IPC), the patent falls under classes such as C07D (heterocyclic compounds) or A61K (preparations for medical, dental, or cosmetic purposes), indicating its focus on medicinal compounds or formulations.

The patent’s legal scope encompasses:

  • Chemical compounds: specific molecules or intermediates.
  • Pharmaceutical compositions: formulations including the compounds.
  • Therapeutic methods: use of such compounds in treating particular diseases.

Geographical and Territorial Scope

Granted in Japan, the patent offers exclusive rights within Japan’s jurisdiction. It’s critical to evaluate whether corresponding patents exist or are filed in other jurisdictions—such as the US, Europe, or China—to gauge its global patent protection scope.


Claims Analysis

Overview of Claims Structure

Patent JP2012531277 likely contains multiple claims, structured as:

  • Independent claims: defining the core invention—e.g., a compound or method.
  • Dependent claims: refining or specifying features of the independent claims.

A typical pharmaceutical patent claims either the chemical entity itself, a pharmaceutical composition including the compound, or a method of treatment.

Key Elements of the Claims

1. Chemical Compound Claims

The core of the patent probably centers on a novel compound with unique structural features, such as a heterocyclic ring, substituents, or stereochemistry, offering specific pharmacological advantages.

2. Pharmaceutical Composition Claims

Claims may extend to formulations comprising the compound, including carriers, stabilizers, or delivery systems, emphasizing practical application.

3. Method of Use Claims

These claims encompass clinical methods employing the compound to treat certain conditions—likely specified in the patent—such as cancers, neurological disorders, or infectious diseases.

Scope of Claims

  • The claims probably specify a narrow set of chemical variants, focusing on the precise molecular structure, thus providing a strong scope but potentially limited to specific embodiments.
  • The claims might include broad language to cover analogs or derivatives, but with explicit structural boundaries defined.

Claim Language and Interpretation

High-level legal interpretation suggests that ambiguous or broad language in claims could impact enforceability. Careful parsing of limitations—such as specific substituents, stereochemistry, or preparation methods—is vital for assessing infringement and validity.


Patent Landscape Analysis

Prior Art and Related Patents

A thorough landscape involves:

  • Pre-existing patents: Prior art that discloses similar compounds or methods impacting novelty.
  • Similar patents in Japan and globally: Including patents focusing on therapeutic compounds, such as those filed by industry leaders (e.g., Takeda, Daiichi Sankyo) or universities.
  • Patent families: Related applications internationally, such as PCT filings, which protect similar innovations across multiple jurisdictions.

For JP2012531277, relevant prior art might include:

  • Compound patents that disclose structurally similar molecules with comparable pharmacological activity.
  • Use patents for related therapeutic indications.

Claims Overlap and Landscape Opportunities

  • Broad claims may face challenge from prior art, but narrow, novel claims strengthen patent position.
  • Opportunities for work-around patents could involve modifying substituents or synthesis routes to generate non-infringing analogs.

Patent Filing Strategies and Defender / Follower Landscape

The patent landscape indicates whether the patent owner maintains a defensive position, or if third parties are actively filing follow-up patents to improve or circumvent the base patent:

  • Patent thickets: Clusters of overlapping patents, requiring navigation for freedom-to-operate analysis.
  • Patent expiration timelines: Typically 20 years from filing; for JP2012531277, expected expiration around 2032 if no extension applied.

Competitor and Market Dynamics

  • Active patent filers include major pharmaceutical firms pursuing similar targets.
  • The patent may be part of a strategic patent portfolio focused on specific therapeutic classes.
  • Patent invalidation risks exist if prior art surfaces or if claim scope is deemed overly broad.

Implications for Industry Stakeholders

  • Pharmaceutical companies may view JP2012531277 as a strategic asset, licensing candidate, or a barrier.
  • Research institutions might focus on extending the patent’s scope or developing alternatives.
  • Legal practitioners should evaluate validity and enforceability, especially around claim novelty and inventive step.

Conclusion & Strategic Recommendations

JP2012531277 represents a distinct piece in Japan’s pharmaceutical patent landscape, centered on novel compounds or therapeutic methods. Its narrow or broad scope hinges on specific claim language, and its strength depends on the surrounding prior art environment.

Companies should conduct comprehensive freedom-to-operate analyses considering related patents in Japan and internationally. Monitoring the expiration and potential new filings around this patent can inform licensing, partnership, or R&D investments.


Key Takeaways

  • JP2012531277's scope likely centers on a specific chemical entity with therapeutic utility, protected via carefully drafted claims.
  • The patent landscape includes prior art that may challenge novelty but also offers opportunities for strategic expansion.
  • Cross-jurisdictional patent filings are critical to establishing global protection.
  • Clear understanding of claim language and patent prosecution status assists in assessing enforceability and infringement risks.
  • Active competitors may have overlapping patents; ongoing monitoring is essential for strategic planning.

Frequently Asked Questions (FAQs)

1. How does JP2012531277 compare to similar patents in the same therapeutic area?
It likely covers a specific chemical structure with patentability based on novelty and inventive step, similar to related patents, but its unique features and claim language differentiate it within the landscape.

2. What are the risks of patent invalidation for JP2012531277?
Prior art disclosures, obviousness, or failure to meet novelty requirements could challenge the patent’s validity. Due diligence is necessary to evaluate these factors.

3. Can the patent claims be broadened or narrowed through amendments?
Yes. During patent prosecution or post-grant proceedings, claim scope can often be adjusted within legal limits to optimize protection or respond to prior art.

4. Are there opportunities for license agreements related to JP2012531277?
Potentially, especially if the patent covers therapeutically valuable compounds or uses that align with ongoing product development efforts.

5. How should companies monitor the patent landscape surrounding JP2012531277?
Regular landscape analyses, watching for related filings, oppositions, or similar patents, are crucial. Engaging patent attorneys for strategic insights enhances risk mitigation.


References

  1. Japan Patent Office. JP2012531277 Patent Document.
  2. WIPO PatentScope. International patent filings related to pharmaceutical compounds.
  3. Espacenet. Patent database for prior art and related filings.
  4. Patent landscape reports on pharmaceutical patents in Japan and globally.

(Note: Specific prior art references and detailed claims analysis would require direct access to the patent document, typically available via official patent databases.)

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.