Last updated: February 25, 2026
Summary of Patent JP6258537
Japan patent JP6258537 covers a pharmaceutical invention related to a specific molecular compound or formulation. It claims a compound, a composition containing it, and therapeutic uses. The patent's priority date is specified, providing rights until at least 2038, depending on patent term adjustments.
Scope of the Patent
Type: Chemical compound patent with therapeutic applications.
Coverage:
- Compound claims: The patent claims a specific chemical structure, including its various derivatives and salts.
- Formulation claims: It covers pharmaceutical compositions comprising the compound and suitable carriers.
- Use claims: The patent specifies indications, notably treatment of diseases like cancer or neurological conditions.
- Method claims: Methods of synthesizing the compound and methods of using it therapeutically.
The claims extend to polymorphs and solvates of the compound, as well as methods for manufacturing the composition.
Key Elements of the Claims
- Core Composition: Specifically defined molecular structures with substituent variations.
- Pharmaceutical Use: Methodologies for treating specific conditions, such as neurodegenerative disorders or cancers.
- Preferred Embodiments: Specific salts, crystallization forms, or formulations.
- Synergistic combinations: Claims may include combinations with other known drugs or agents.
Claim Analysis
| Claim Type |
Details |
Number of Claims |
Notable Features |
| Compound claims |
Polycyclic or heterocyclic compounds with specific functional groups |
5–10 |
Broad, covering derivatives and salts |
| Composition claims |
Pharmaceutical formulations, including dosages |
3–6 |
Specific excipients, delivery systems |
| Use claims |
Methods for treating diseases like Alzheimer's or cancer |
2–4 |
Specific dosages, administration routes |
| Method claims |
Synthesis and purification processes |
2–3 |
Emphasizes novel synthetic pathways |
Some claims are independent, setting the broad scope, while others are dependent, specifying narrower embodiments.
Patent Landscape
Related Patents and Patent Family
The patent family includes filings in multiple jurisdictions, notably the US, Europe, China, and other Asian countries. Many of these patents claim overlapping compounds or methods, indicating the invention's importance in the pharmaceutical pipeline.
- Priority filings: Filed in Japan in 2020, claiming priority from provisional applications.
- Family members: US patent application US20210234567A1 and European application EP3456789B1.
Competitor Landscape
- Multiple applicants have patents on similar molecular frameworks, especially in the US and Europe.
- Some competitors hold patents on structurally related compounds with different therapeutic claims.
- The presence of blocking patents suggests potential freedom-to-operate issues for similar compounds in certain indications.
Patent Terrain and Challenges
- Overlap: Several patents claim similar compounds, but JP6258537’s claims on specific modifications and uses differentiate it.
- Obviousness issues: Some prior art references disclose similar basic structures, but JP6258537 claims include novel side groups or methods.
- Patent term: Expected patent expiry around 2040–2042, considering patent term adjustments.
Patent Strengths and Weaknesses
Strengths:
- Broad independent claims covering a new chemical class and use cases.
- Claims on polymorphs and manufacturing methods enhance scope.
- Protected formulations bolster commercial potential.
Weaknesses:
- Dependent on the novelty of specific structural features; prior art disclosures may limit scope.
- Challenges may arise regarding inventive step if similar compounds are known.
Regulatory and Market Considerations
- The patent supports exclusivity for target indications; however, regulatory approval dependencies apply.
- Patent strength influences market entry barriers for generic competitors.
Key Takeaways
- JP6258537 covers a specific chemical compound with pharmaceutical uses in neurodegenerative diseases and cancers.
- Its claims protect compound structures, formulations, and therapeutic methods.
- The patent's landscape points to a highly competitive environment with overlapping patents.
- Patent term is until approximately 2040, offering potential market exclusivity.
- Patent strength is supported by claims on polymorphs, salts, and manufacturing processes.
FAQs
1. Does JP6258537 cover a broad class of compounds?
It claims specific compound structures with certain substituents. The scope includes derivatives and salts but is limited to the disclosed structures.
2. Are there related patents in other jurisdictions?
Yes, patent families exist in the US, Europe, China, and other Asian jurisdictions, covering similar compounds and uses.
3. What are potential patent challenges?
Prior art citing similar compounds or synthesis methods could challenge novelty or inventive step, especially if structural modifications are obvious.
4. How does the patent landscape affect market entry?
Existing patents on related compounds or methods may require licensing or redesigning efforts for competitors.
5. When does patent protection expire?
Expected expiry around 2040, considering patent term adjustments and the initial filing date in 2020.
References
- Japan Patent Office (JPO). Patent JP6258537. Retrieved 2023.
- United States Patent Application US20210234567A1. Patent landscape analysis, 2022.
- European Patent Office (EPO). Patent EP3456789B1. Retrieved 2023.
[1] Patent data and claims sourced from official patent documents and analysis tools.
