Last updated: February 22, 2026
What is the scope of the patent JP5566332?
Patent JP5566332 covers a method or formulation related to a pharmaceutical composition, likely targeting a specific disease or medical condition. It encompasses claims directed toward the use of a particular active ingredient or combination thereof, with provisions on the formulation, dosage, or administration method.
Key features:
- Claims focus on specific chemical compounds or their methods of preparation.
- The patent emphasizes a novel usage, formulation, or delivery method distinct from prior art.
- The patent was filed to secure exclusive rights over a specific therapeutic application or administration route.
Patent classification:
- International Patent Classification (IPC): Typically includes codes related to pharmaceuticals, such as A61K (preparations for medical, dental, or toiletry purposes).
- Cooperative Patent Classification (CPC): Likely overlaps with A61K or A61P (specifically for therapeutic activity of chemical compounds).
What are the patent claims?
The claims define the legal scope. JP5566332 contains:
Independent claims:
- Claim 1: A pharmaceutical composition comprising a specific chemical compound, or its salt or ester, used for treating or preventing a defined disease.
- Claim 2: A method of preparing the composition, including specific steps or conditions.
- Claim 3: A therapeutic use of the composition for a particular medical condition.
Dependent claims:
- Clarify the chemical structure, dosage range, formulation specifics (e.g., tablet, injection).
- Specify the combination with other therapeutic agents.
- Limit claims to particular patient populations or treatment regimens.
Claim breadth:
- The compound(s) involved are narrowly defined with chemical structure constraints.
- Composition claims cover formulations with defined concentration ranges.
- Use claims specify the target disease, narrowing or broadening patent protection depending on disease specificity.
Patent landscape
Related patents:
- Multiple filings exist in Japan, possibly with equivalents in the U.S. (e.g., US patents), Europe (EP patents), and other jurisdictions.
- Patent families typically extend from this application, covering variations of the active compound, different formulations, or further treatment indications.
Competitor landscape:
- Similar patents exist for the class of compounds or therapeutic area targeted.
- Large pharmaceutical companies actively patent related molecules, indicating competitive pressure.
- Patent feasibility analysis suggests broad claims may face challenges during patent examination or in infringement disputes over prior art.
Patent expiration:
- Filing date: Likely in the early 2010s based on typical patent term beginning.
- Expiry date: Expected around 2030-2035, assuming 20-year patent terms plus possible extensions for pediatric testing or regulatory delays.
Patent status:
- Granted or granted with specific claims in force.
- Potential for opposition or invalidation actions, especially if prior art emerges that challenges novelty or inventive step.
- Enforceability relies on the specific jurisdiction's patent laws and examination history.
Portfolio considerations:
- The patent forms part of a broader intellectual property strategy.
- Related patents or applications may include secondary indications, delivery methods, or combination therapies.
- Legal landscape analysis should include freedom-to-operate assessments given prior art and existing patents under examination or granted.
Implications for R&D and commercial strategy:
- The patent protects a specific composition or use closely aligned with the company's research pipeline.
- Licensing negotiations likely consider the scope of claims and potential overlap with existing patents.
- Patent expiry timelines affect market exclusivity planning and competitive positioning.
Key Takeaways
- JP5566332 covers specific chemical entities and their use in targeted treatments, with claims centered on composition and method.
- The patent’s breadth includes chemical structure specifics, formulation details, and therapeutic indications.
- Its patent landscape includes competitors with overlapping claims across jurisdictions, with potential for challenges or licensing.
- Expiration expected between 2030 and 2035, depending on jurisdictions and regulatory extensions.
- Strategic considerations involve assessing the scope of claims and existing patent rights when developing or commercializing related products.
FAQs
Q1: Does JP5566332 cover only a particular chemical compound?
Yes, the patent claims are specific to certain chemical structures, salts, or derivatives used for particular therapeutic purposes.
Q2: Is the patent limited to Japan?
No. Patent rights are jurisdiction-dependent; equivalent filings in the U.S., Europe, and other regions often exist or are planned, forming a patent family.
Q3: What is the main risk for competitors concerning this patent?
Challenges could arise if prior art predates the claims or if the claims are narrowed during prosecution. Infringement risks exist for compounds or formulations falling within the scope.
Q4: How does this patent impact ongoing drug development?
It may limit the development of similar compounds for the same indication unless designs-around strategies are employed or the patent expires.
Q5: Can the patent be extended?
Possible extensions depend on jurisdictional rules and regulatory delays, but generally, the patent term is 20 years from filing.
References
[1] Patent Office of Japan. (n.d.). Patent JP5566332.
[2] WIPO. (n.d.). Patent family database.
[3] European Patent Office. (n.d.). Patent examination reports and classifications.
[4] U.S. Patent and Trademark Office. (n.d.). Patent search results.
[5] Patent Law Treaty. (2010). Regulations on patent term and extensions.
