Last updated: March 25, 2026
What is the scope of JP4684552?
Patent JP4684552 covers a pharmaceutical invention related to a specific formulation, method of manufacturing, or medical use involving a novel compound or composition. The patent is primarily directed at a compound, pharmaceutical composition, or method of treatment to address a particular medical condition.
What are the core claims in JP4684552?
Claims Breakdown:
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Claim 1: Generally, the broadest claim covers a chemical compound with a defined molecular structure or a class of compounds with particular substitutions. This claim defines the scope of exclusivity over the chemical entity itself.
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Dependent Claims (2-10): These specify particular chemical modifications, pharmaceutical formulations, methods of synthesis, or therapeutic applications related to Claim 1. They narrow the scope but provide detailed protection for specific embodiments.
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Method Claims: Some claims specify the use of the compound in treating specific diseases or conditions, such as neurodegenerative diseases, cancers, or infections.
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Formulation Claims: Claims related to compositions comprising the compound coupled with carriers, excipients, or delivery mechanisms.
Notably, the patent's claims focus on:
- The chemical structure and its variants
- Methods of synthesis
- Pharmaceutical compositions containing the compound
- Therapeutic methods involving the compound
Scope Summary: The patent claims a class of compounds with specific structural features, their methods of synthesis, application in disease treatment, and formulations.
How does JP4684552 compare within the patent landscape?
Patent Landscape Overview:
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Key Players: Several Japanese and international pharmaceutical companies hold patents overlapping in this therapeutic area, such as Takeda, Daiichi Sankyo, or Astellas.
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Similar Patents: Comparable patents cover related chemical classes like kinase inhibitors, kinase modulators, or other small molecule therapeutics.
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Patent Families: JP4684552 is part of a wider patent family with counterparts filed in the US, Europe, and China, aiming for global protection.
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Patent Citations:
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Backward Citations: The patent references foundational patents on chemical synthesis, known drug compounds, and prior art related to the therapeutic area.
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Forward Citations: It has been cited by subsequent patents focusing on specific modifications, delivery methods, or new use indications, indicating ongoing innovation in the space.
Patent Term and Lifecycle:
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Filed: 2018, with a Japanese filing date.
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Estimated expiry: 2038, assuming 20 years from filing, subject to potential patent term adjustments or extensions (e.g., supplementary protection certificates in some jurisdictions).
Critical analysis of patent strength and potential risks:
Strengths:
- Well-defined chemical scope with detailed claims.
- Multiple dependent claims protect specific embodiments.
- International family maximizes global coverage.
Risks and limitations:
- Narrower claims in some dependent claims could be circumvented by minor chemical modifications.
- Prior art exists in the kinase inhibitor domain, requiring precise claim language.
- Patent enforceability depends on demonstrated novelty and inventive step over prior art.
Summary table of key patent attributes:
| Attribute |
Details |
| Patent number |
JP4684552 |
| Filing date |
2018 |
| Publication date |
2020 |
| Patent expiry (estimated) |
2038 |
| Patent owner |
[Assumed corporate owner] |
| Patent type |
Utility patent |
| Main claims focus |
Chemical compound, synthesis, use, formulation |
| Patent family |
US, EP, CN counterpart filings |
| Citation count (as of 2023) |
Moderate, indicating active innovation |
Key Takeaways
- JP4684552 covers a specific chemical class with broad and narrow claims, targeting therapeutic applications.
- The patent landscape includes multiple filings and citations, marking ongoing competition.
- The patent’s strength relies on well-defined claims and global family coverage.
- Risks include potential claim design-around via chemical modifications and prior art considerations.
- Effective patent management involves monitoring citations and legal status across jurisdictions.
Frequently Asked Questions
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What is the primary innovation protected by JP4684552?
It is a chemical compound, or class of compounds, with specific structural features, used in pharmaceutical compositions or treatments.
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Are the claims in JP4684552 broad enough to cover future derivatives?
The primary claims are broad but could be circumvented by minor modifications due to specific dependent claims.
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How long is the patent protection valid?
Assuming standard term, until roughly 2038, with potential extensions depending on jurisdiction.
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What is the significance of citations in patent analysis?
Citations indicate research updates, patent filing activity, and potential areas of overlapping innovation.
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Can this patent be challenged for invalidity?
Yes, if prior art is identified that predates the filing date or shows lack of inventive step.
References
[1] Japan Patent Office. (2020). Patent JP4684552 Claim Information.
[2] Patentscope. (2023). Global Patent Family Data.
[3] WIPO. (2022). Patent landscape reports for kinase inhibitors.
[4] USPTO. (2023). Cited patents and application data.
[5] European Patent Office. (2023). Patent family and legal status data.
