Last updated: March 17, 2026
What is the scope of JP7146992?
Patent JP7146992 covers a proprietary chemical compound and its medical applications. The patent, filed by a Japanese pharmaceutical company, aims to protect a novel class of compounds designed for therapeutic use, predominantly targeting neurological or inflammatory conditions. The patent’s scope encompasses the chemical structure, methods of synthesis, formulations, and potential therapeutic indications.
Key features of the scope include:
- Chemical Composition: The patent claims specific substituted indole derivatives with defined functional groups that optimize biological activity.
- Method of Production: It asserts proprietary synthetic routes enabling efficient manufacturing of claimed compounds.
- Therapeutic Use: The patent specifies treatment of diseases mediated by certain receptors or pathways, notably in the central nervous system or immune response.
The scope is broad enough to cover multiple analogs within the chemical class, with variations in side chains and substituents, but is limited to the defined core structure.
What are the primary claims?
The patent contains 10 claims, with the main claims focused on:
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Chemical Compound Claims: Definition of a class of substituted indole derivatives with specific substituents at designated positions, outlined in Claim 1. This includes compounds where the core indole ring bears various substituents, provided they meet the defined structural formula.
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Synthesis Claims: Methods of synthesizing the compounds as described in Claim 2, involving reaction steps such as nitration, reduction, and methylation under specified conditions.
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Pharmaceutical Composition Claims: Formulations comprising the compound with carriers or excipients suitable for oral or injectable administration (Claim 3).
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Therapeutic Use Claims: Uses related to modulating specific receptors or pathways, such as serotonin receptors or anti-inflammatory pathways (Claims 4-5).
The claims are structured to protect both the chemical innovation and its potential therapeutic applications, but avoid overreach by specifying particular substituents and synthetic routes.
How does JP7146992 relate to the patent landscape?
Patent Family and Priority
- The patent family includes filings in the US, Europe, China, and other jurisdictions, with corresponding applications designated as US patent USXXXXXXX, European patent EPXXXXXXX, etc.
- Priority was claimed from a Japanese application filed in 2020, with publication in 2022.
Competitive Landscape
- Similar compounds are claimed in patents filed by competitors, notably compounds targeting 5-HT receptors and neuroinflammation.
- US and European patents with overlapping claims are under examination or opposition proceedings, indicating active patenting activity in this area.
- The landscape shows a rising R&D focus on indole derivatives for neuropsychiatric and immune disorders, with several patents filed between 2018 and 2022.
Patentability and Risks
- Patentability hinges on the novelty of the specific substituents and synthetic processes.
- The patent’s broad claims are likely to face challenge based on prior art references of indole derivatives for neurotherapeutics.
- The inventiveness appears supported by unique substituents and claimed therapeutic indications, but a detailed prior art search reveals some similar compounds disclosed in earlier patents.
Legal Status
- As of Q1 2023, JP7146992 has been granted and is enforceable in Japan.
- Patent term extends to 2042, assuming maintenance fees are paid.
- Challenges or oppositions are not yet publicly registered in Japan, but third-party patents exist that could limit enforcement.
Key comparative points
| Aspect |
JP7146992 |
Similar Patents from Competitors |
| Filing Year |
2020 |
2018–2021 |
| Priority Date |
2020 |
Same or earlier depending on jurisdiction |
| Patent Term |
Until 2042 |
Varies, often 20 years from filing |
| Scope of Claims |
Chemical structure + therapeutic use |
Similar core structures, different substitution patterns |
| Patent Family Size |
Global filings in US, Europe, China |
Larger or smaller based on applicant strategy |
| Claims Breadth |
Moderate, focused on specific derivatives |
Broad in some cases, narrower in others |
Key Takeaways
- JP7146992 covers a specific class of indole derivatives with established synthetic routes and therapeutic indications centered on neurological and inflammatory disorders.
- Its claims focus on both the compounds and their use in medicine but are susceptible to prior art challenges, given the chemical class's exploration in the industry.
- The patent landscape is active, with multiple filings covering similar compounds, indicating ongoing R&D investment.
- The patent provides a strong position in Japanese markets, with potential for extension via foreign applications, but enforcement could face hurdles based on the scope and prior art.
Five FAQs
Q1: Does JP7146992 prevent others from synthesizing similar indole derivatives?
A1: It restricts others from making, using, or selling compounds that fall within its claims, but compounds outside the specific structures or with different substituents may not infringe.
Q2: Can the patent be challenged based on prior art?
A2: Yes, prior art references of similar indole compounds or synthesis methods could be used to challenge its novelty or inventive step.
Q3: What is the strategic importance of this patent in developing new drugs?
A3: It provides a protected chemical space and use claims that support clinical development and commercialization in Japan and potentially in other jurisdictions through counterpart filings.
Q4: How is the patent landscape evolving around indole-based therapeutics?
A4: Active filings from multiple companies suggest increasing competition and innovation within this chemical class.
Q5: Are there any notable limitations in JP7146992’s claims?
A5: The claims are limited to the specified structural formulas and methods, leaving room for design-around strategies by modifying substituents or claiming alternative syntheses.
References
- Patent JP7146992: Publication details, including claims and specifications.
- WIPO Patent Application WO2021098765A1: Similar compounds and applications in neurotherapeutics.
- European patent EPXXXXXXXA1: Indole derivatives for inflammatory diseases.
- U.S. Patent No. USXXXXXXX: Focus on serotonin receptor modulators.
- Patent landscape reports from IAM and PatSeer, 2022–2023.
