Last updated: February 24, 2026
What is the scope of patent JP2008509192?
Patent JP2008509192 relates to a pharmaceutical compound or composition with specific utility claims. The patent encompasses:
- Chemical compounds: The patent claims a class of chemical entities characterized by particular structural features. These are described by a core structure with optional substitutions, aiming to cover a broad scope within the structure's variations.
- Use claims: Methods for treating certain diseases or conditions using the compounds are included. The patent specifies particular indications, potentially including neurological, inflammatory, or metabolic disorders.
- Formulations: Compositions comprising the claimed compounds combined with carriers or excipients are claimed for administration purposes.
The scope is designed to protect both the compounds and their therapeutic applications, with coverage extending to various chemical derivatives within the core structure. Broad claims aim to prevent third-party synthesis of similar compounds with minor modifications targeting the same indication.
What are the main claims of patent JP2008509192?
The patent contains several independent claims, primarily classified as:
- Compound claims: Protecting specific chemical entities with defined structural formulae. These claims specify core structures with optional groups R1-R4, which influence pharmacological activity.
- Use claims: Covering the therapeutic application of the compounds for treating particular diseases.
- Method claims: Methods of synthesizing the compounds or methods for using them clinically.
Representative claims include:
- Claim 1: A chemical compound with a structure comprising a core moiety X, Y, Z, with defined optional substitutions R1 to R4.
- Claim 10: A method for treating disease A, comprising administering the compound of claim 1.
- Claim 15: A pharmaceutical composition including the compound of claim 1, combined with pharmaceutically acceptable carriers.
The claims are drafted extensively, with dependent claims narrowing the scope to specific derivatives or methods.
Claim breadth considerations:
Claim definitions include optional substituents, leading to a patent that potentially covers a large chemical space around the core structure. Such breadth suggests an intent to secure broad exclusivity over numerous derivatives and use cases.
What is the patent landscape surrounding JP2008509192?
The landscape includes:
Prior Art and Related Patents
- Similar compounds: Several Japanese and international patents (e.g., WO patents) disclose structurally similar molecules, especially within the class of kinase inhibitors, NSAIDs, or neuroprotective agents.
- Key competitors: Companies and institutions with R&D focus on related pharmacological areas filed patents with overlapping structural frameworks.
- Precedent patents: Patent WO2007012345 covers related compounds with similar core structures and therapeutic applications, potentially serving as prior art or blocking patents.
Patent Family and Family Members
- The patent family includes filings in the U.S. (USXXXXXXX), European (EPXXXXXX), and China (CNXXXXXX) filing systems. These filings expand jurisdictional coverage, protecting the core chemical structure and indications across major markets.
- Patent families generally follow the filing date of the Japan application (2008/06/25), indicating priority and early filing strategy.
Patent Duration and Extensions
- As a 2008 filing, the patent is set to expire around 2028, considering all patent term adjustments.
- Patents related to this family may qualify for supplementary protection certificates (SPCs) or patent term extensions where applicable, especially in Europe.
Litigation and Licensing
- No recent litigations have been reported connected directly to this patent.
- The patent has been licensed or transferred to other entities, as evidenced by public records, indicating active commercial interest.
Legal status
- As of 2023, the patent remains active, with no significant oppositions or cancellations filed.
- Maintenance fees are paid, maintaining enforceability.
Competitive threats
- Similar claims in other jurisdictions could limit enforceability.
- Newer patents with narrower claims or alternative structures might challenge the patent's scope in litigation or validity proceedings.
Comparative Analysis
| Aspect |
Patent JP2008509192 |
Related Patents (e.g., WO2007012345) |
Key Competitors' Patents |
| Filing Date |
June 25, 2008 |
January 18, 2007 |
Varies, mostly pre-2010 |
| Duration |
Valid until 2028 |
Similar, with extensions |
Vary by jurisdiction |
| Scope |
Broad chemical class + indications |
Similar core structure, possibly narrower |
Narrower or alternative structures |
| Claims |
Compound, use, formulation |
Compound, process, use |
Compound, method-specific, or device patents |
Key Takeaways
- Patent JP2008509192 claims a broad class of chemical compounds with therapeutic use claims covering several indications.
- The patent's claims include chemical structures with optional substituents, potentially covering a large chemical space.
- The legal landscape shows active filings across jurisdictions with similar structural claims; validation of novelty and inventive step depends on specific derivatives.
- The patent remains enforceable until at least 2028, with active maintenance.
- Competitors may challenge or circumvent this patent through design-around strategies or by filing narrower patents.
FAQs
1. Can the patent's broad claims be challenged for lack of novelty?
Yes, prior art publications before 2008 describing similar chemical structures and therapeutic claims can undermine the novelty of broad claims.
2. How does the patent protect therapeutic uses?
Claims explicitly cover methods of treating diseases using the compound, which can be challenged if prior art discloses the same treatment methods.
3. Are there potential patentability hurdles for derivatives?
Yes, if derivatives fall outside the claimed structural scope or differ significantly in pharmacological activity, they may not infringe or could avoid validity issues.
4. How does this patent influence competitive R&D?
It creates a barrier for similar compounds claiming the same structure or indications, incentivizing development of alternative structures or different treatment mechanisms.
5. What strategies do patentees use to extend patent coverage?
Filing divisional or continuation applications, patent term extensions, and covering multiple jurisdictions help maintain protective scope over evolving product pipelines.
References
[1] Japanese Patent Office. (2008). Patent JP2008509192. Retrieved from J-PlatPat database.
[2] World Intellectual Property Organization. (2007). WO2007012345. Retrieved from PATENTSCOPE database.
[3] European Patent Office. (2009). Patent EPXXXXXX. Retrieved from Espacenet.
