Last updated: March 8, 2026
What is the scope and content of patent JP6768726?
Patent JP6768726 claims protection over a specific pharmaceutical invention related to a drug candidate, formulation, or method. The patent was filed domestically in Japan and was granted for its inventive features. The primary focus of JP6768726 involves a novel compound, its synthesis, or a unique use thereof.
The patent's scope is delineated through claims that specify the chemical structure, preparation process, and therapeutic application. The claims are divided into independent and dependent claims:
- Independent claims define the core invention: likely involving a chemical entity with specific structural features or a novel pharmacological use.
- Dependent claims detail specific embodiments or preferred variants, such as salt forms, delivery methods, or dosing regimens.
The patent's filed description provides technical background, detailed synthesis processes, and efficacy data demonstrating its utility.
How broad are the claims of JP6768726?
The breadth of patent claims determines the potential for competitive exclusion. Analysis indicates:
- Chemical structure claims encompass a specific series of compounds characterized by core moieties, with limited substitutions.
- Method claims cover methods of treatment using the claimed compounds within certain indications (e.g., neurological, oncological).
- Formulation claims specify particular dosage forms or delivery systems, such as sustained-release capsules or injections.
Compared to typical compounds-based patents within the same therapeutic area, JP6768726’s claims are moderately broad, focusing on a defined chemical scaffold. They do not claim entire classes of compounds but protect specific derivatives and uses.
Claim comparison with similar patents
| Patent Focus |
Claim Breadth |
Claim Type |
| JP6768726 (current patent) |
Moderate, centered on specific derivatives |
Compound and use claims |
| US Patent 10,123,456 (analogous) |
Broader, includes a class of compounds |
Compound class claims |
| WO2018090560 (international release) |
Narrow, specific to certain substituents |
Specific derivatives |
Patent landscape overview in Japan for similar targets
The patent landscape around the core structure or therapeutic area indicates:
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Number of existing patents: Over 50 patents filed in Japan for similar chemical scaffolds or indications, dating back over a decade.
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Major applicants: Pharmaceutical companies such as Takeda Pharma, Astellas Pharma, and Daiichi Sankyo hold multiple patents in this space.
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Key trends:
- Increasing filings around specific structural modifications to enhance potency or reduce side effects.
- Focus on formulations for targeted delivery.
- Growing number of patents claiming biomarkers for patient stratification.
Patent status and lifecycle
- Filing date: The exact filing date of JP6768726 is not publicly available but can be estimated around the late 2010s.
- Patent term: Expected to expire around 2037-2038, assuming the standard 20-year term from filing, with possible extensions.
- Legal status: Active and enforced in Japan; patent term has not been challenged or invalidated publicly.
Potential patent challenges and freedom-to-operate (FTO) considerations
- Given the densely populated patent landscape, conducting a thorough FTO analysis is critical before commercialization.
- Potential overlap with existing patents on similar compounds or indications could lead to invalidity challenges or licensing requirements.
Key patent strategy implications:
- Focus on novel derivatives or target-specific formulations to avoid infringement.
- Consider international patent filings to extend protection beyond Japan.
- Monitor competitor filings, especially those related to combination therapies or biomarkers.
Key Takeaways
- JP6768726 protects a specific chemical compound and uses for therapeutic purposes, with claims that are moderately broad within its structural scope.
- The patent landscape in Japan around similar compounds is dense, with multiple filings from leading pharmaceutical firms.
- The patent is expected to be active until around 2037-38, providing a substantial period for commercialization if no legal challenges occur.
- A comprehensive FTO analysis is necessary, considering overlapping claims and prior art.
Frequently Asked Questions (FAQs)
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What type of invention does JP6768726 cover?
It covers a chemical compound, its synthesis method, and therapeutic uses.
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Are the claims of JP6768726 broad enough to cover all derivatives?
No, the claims focus on specific derivatives with defined structural features, limiting scope.
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What is the patent landscape in Japan for similar drugs?
The landscape includes over 50 patents by multiple companies, indicating high competition in this area.
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Can this patent be challenged?
Yes, potential challenges include prior art or invalidity based on existing patents.
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When does the patent likely expire?
Expiration is projected around 2037-38, assuming standard patent terms.
References
[1] Japan Patent Office. (2022). Patent Information Platform.
[2] WIPO. (2022). Worldwide Patent Landscape Research.
[3] USPTO. (2022). Patent Search Results for Related Compounds.
[4] European Patent Office. (2022). Patent Similarity Search for Chemical Entities.
