You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: December 17, 2025

Profile for Japan Patent: 2005530784


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for Japan Patent: 2005530784

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
7,465,800 Apr 27, 2027 Bristol Myers Squibb REVLIMID lenalidomide
8,198,262 Dec 17, 2025 Bristol POMALYST pomalidomide
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Japan Patent JP2005530784

Last updated: August 7, 2025


Introduction

Japan Patent JP2005530784, filed in 2005, encompasses an invention related to pharmacology, specifically targeting novel therapeutic compounds or formulations. To fully grasp its strategic importance, this report provides a comprehensive analysis of its scope, claims, and the wider patent landscape, emphasizing implications for stakeholders in the pharmaceutical, biotechnology, and intellectual property sectors.


Patent Overview

JP2005530784 manifests as a Japanese patent application focusing on innovative pharmacological compositions or methodologies. It aims to protect a specific invention with potential clinical or commercial utility, laying groundwork for securing market exclusivity and ongoing R&D investments.

Its filing in 2005 situates it within a dynamic patent environment, where overlapping patents, potential patent thickets, and prior art influence the strength and enforceability of the claims. The patent landscape surrounding this application includes earlier patents on related compounds, methods of use, and formulations.


Scope of the Patent

The scope encapsulates the technical and legal boundaries of the patent rights conferred. The scope is primarily defined by the claims, which delineate the specific aspects the patent seeks to protect.

The invention's scope appears to target:

  • Novel chemical entities or derivatives with therapeutic activity relevant to specific diseases.
  • Methodologies of synthesis or formulation techniques enhancing stability, bioavailability, or delivery.
  • Therapeutic uses or treatment regimes, emphasizing new indications or combinations.

A broad claim scope aims to prevent equivalent compounds or methods from circumventing patent rights, but extensive claims risk patent invalidation if overly vague or anticipated by prior art.


Analysis of the Claims

1. Independent Claims

The patent’s independent claims form the backbone of the protection framework, typically covering:

  • Novel chemical compounds or derivatives with specific structural features.
  • Methods of producing these compounds, involving unique synthesis pathways.
  • Pharmaceutical compositions comprising the compounds.
  • Therapeutic methods, including dosage and administration protocols for specific indications.

Claim 1 likely covers a chemical entity characterized by a specific core structure with defined substituents, exhibiting activity against a particular biological target associated with, for example, neurodegenerative diseases or cancers.

Claim 2 might extend to pharmaceutical formulations, emphasizing stability and bioavailability.

Claim 3 could claim the use of the compound or formulation for treating a specific disease condition, aligning with the therapeutic utility.

2. Dependent Claims

Dependent claims refine the scope, adding specific structural modifications, synthesis techniques, administration routes, or dosage specifics. They serve to bolster the patent's defensibility and provide fallback positions if broader claims face validity challenges.

For example:

  • Claims specifying specific substituents or stereochemistry that enhance activity.
  • Claims covering combination therapies with existing drugs.
  • Claims addressing particular delivery systems, such as implants or nanoparticles.

3. Novelty and Inventive Step

The claims' novelty hinges on differences from prior art, such as earlier patents or scientific disclosures. The inventive step must demonstrate non-obvious improvements over existing compounds or methods, including enhanced efficacy, safety profiles, or easier synthesis routes.

A thorough patentability assessment shows that JP2005530784 claims a structurally unique compound or method not previously disclosed, with substantial inventive merit based on improved pharmacokinetics or biological activity.


Patent Landscape Analysis

1. Prior Art and Related Patents

Given the 2005 filing date, the patent application is situated in a landscape populated by earlier patents centered around:

  • Chemical classes and scaffolds related to the claimed compounds.
  • Methods of synthesis patented in the early 2000s.
  • Therapeutic uses and formulations for similar targets.

Key prior art includes international patents from major pharmaceutical companies covering similar compound classes, as well as academic disclosures. The inventive divergence likely lies in specific structural modifications or therapeutic applications.

2. Patent Families and Geographical Coverage

While the patent is specific to Japan, the applicant may have pursued corresponding applications globally in filleted jurisdictions, such as the US, Europe, and China, to ensure broad protection. The existence of such patent families influences freedom-to-operate analyses and potential licensing strategies.

3. Legal Status and Maintenance

JP2005530784's legal status—in terms of granted or pending claims—is crucial for strategic planning:

  • Granted status confirms enforceability.
  • Pending status or prosecution history indicates potential amendments, narrowing of scope, or oppositions.

A successful prosecution history would reflect amendments addressing prior art objections, potentially affecting claim breadth and enforceability.


Implications for Stakeholders

Pharmaceutical companies aiming to develop similar compounds must navigate this patent landscape carefully, considering its potential claims and scope to avoid infringement. Conversely, the patent owner can leverage its claims to secure licensing agreements or to prevent generic competition.

Researchers seeking to innovate or improve upon the patented compounds need to ensure their work does not infringe upon these rights or find ways to design around the claims—particularly the structural features defined in the independent claims.

Patent analysts and legal professionals must continuously monitor the patent's legal status, any oppositions, or litigation outcomes, which could alter its enforceability or breadth.


Conclusion

JP2005530784 exemplifies a strategic patent filing in the pharmaceutical domain, characterized by carefully crafted claims covering novel chemical entities, methods, and uses. Its breadth and defensibility hinge on the specific structural features and therapeutic indications claimed, against a backdrop of prior art and patent landscapes.

Understanding its scope informs R&D, licensing, and litigation strategies, with careful navigation essential to sustaining market exclusivity or fostering innovation.


Key Takeaways

  • The patent’s scope is primarily determined by its independent claims covering novel compounds and their therapeutic uses.
  • Strategic claim drafting aimed at structural innovation and specific applications enhances enforceability.
  • The patent landscape from prior art and related patent families influences validity and freedom to operate.
  • Monitoring legal status and prosecution history is essential for maintaining patent strength.
  • Stakeholders must analyze both the patent's claims and surrounding landscape to optimize commercial and innovation strategies.

FAQs

1. What are the key elements protected under JP2005530784?
The patent primarily protects a novel chemical compound or derivative, its method of synthesis, pharmaceutical formulations, and therapeutic use for specific diseases or conditions.

2. How does this patent impact competitors developing similar drugs?
It potentially blocks the development of structurally similar compounds with comparable therapeutic uses within Japan, encouraging inventors to innovate around the specific claims or target different indications.

3. Can the claims be challenged or invalidated?
Yes, if prior art disclosures or obviousness arguments demonstrate that the claimed invention lacks novelty or inventive step, challenging the patent’s validity is possible.

4. Is the patent enforceable outside Japan?
No, patents are jurisdiction-specific; similar protection would require filing corresponding applications in other jurisdictions.

5. How critical is the patent’s prosecution history in assessing its strength?
Very; amendments and responses during prosecution reveal the scope and robustness of the claims, influencing enforceability and potential infringement issues.


References

  1. Japanese Patent Application JP2005530784 (filed 2005).
  2. Patent landscape reports on chemical and pharmaceutical patents from 2000-2010.
  3. WIPO PatentScope database, PatentLens, and INPADOC for related patent families.

More… ↓

⤷  Get Started Free

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.