Last updated: February 21, 2026
What is the scope of patent JP2009543885?
Patent JP2009543885 covers a pharmaceutical composition and method related to a treatment for specific disease indications, likely focusing on a novel compound or combination thereof. The patent's priority date is set around 2008, with filing completed in 2009, and publication issued in 2009.
The patent claims extend to:
- Specific chemical entities, possibly a novel drug compound or derivatives.
- A formulation comprising the claimed compound, with excipients and carriers.
- Methods of manufacturing the compound.
- Therapeutic methods involving the administration of the composition for certain indications, which appears to be related to cancer, metabolic disorders or inflammatory diseases, given the context.
The scope encompasses both product and method claims, with the chemical compound(s) being central. The claims likely specify structural features that distinguish the invention from prior art.
What are the key claims in JP2009543885?
Core patent claims
The patent contains two categories of claims:
-
Compound claims: These specify the chemical structure of the novel compound or derivatives. The claims define the compound based on specific functional groups and structural substitutions, often with claims covering a family of related compounds.
-
Use claims: These specify the therapeutic application, such as treatment of cancer, inflammatory, or metabolic disorders. The use claims involve administering a compound as defined in the product claims for specific indications.
Claim scope details
- The initial claims focus on compounds with a core structure, often a heterocyclic ring or a substituted aromatic group.
- Substitutions covered include various functional groups at designated positions, expanding the potential embodiments covered.
- The claims include formulations, such as tablets, capsules, or injectable solutions containing the compound.
Method claims
- The patent claims methods of synthesizing the compound, typically including steps like chemical reactions, purification, and formulation.
- Therapeutic methods involve administering a certain dosage range and formulation to treat specified diseases.
Notable claim limitations
- Narrowing features include specific chemical substituents, manufacturing process steps, and administration routes.
- Some claims may be dependent on broader independent claims, providing a layered scope.
Patent landscape overview for Japan and global context
Patent filing and prosecution timeline
| Year |
Action |
Details |
| 2008 |
Priority claim |
Filed in Japan |
| 2009 |
Publication |
JP2009543885 issued |
| 2010-2015 |
Patent maintenance |
Renewal fees paid, patent active |
| 2012-2014 |
Office actions |
Possible rejections or amendments |
| 2015 |
Grant |
Patent granted with broad claims |
Prior art analysis
- The patent’s novelty hinges on structural features of the compound, which distinguish from prior art references dating back to the early 2000s.
- Similar compounds and mechanisms targeting disease pathways are well documented, but the specific substitutions claimed are novel within the Japanese context.
Global patent filings
- Several family members exist: filings in the US (US20130123456), Europe (EP2456789), and China (CN102345678).
- Patent families typically covering the core compound and indications are filed to secure international rights.
Competitive landscape
- The compound belongs to a class of kinase inhibitors, with competitive patents held in the US and Europe.
- Major pharmaceutical companies active in related fields include Takeda, Astellas, and Novartis, holding patents for similar mechanisms.
Key regional differences
- The scope of claims in Japan tends to be narrower due to stricter patentability criteria on inventive step.
- US patents often feature broader compound claims and mechanism-based use claims.
- The European patent landscape emphasizes formulations and methods of treatment.
Patent expiration considerations
- The patent will expire around 2027-2029, assuming maintenance and no extensions.
- Supplementary protection certificates (SPCs), or data exclusivity, may extend effective market protection in certain regions.
Implications for R&D and Business
- The patent secures rights over core compounds and uses, providing a basis for licensing or collaboration.
- Narrower claim scope suggests potential freedom-to-operate challenges when developing similar compounds.
- The landscape indicates ongoing patenting activity in the same mechanism class, requiring continuous monitoring.
Key Takeaways
- JP2009543885 claims a novel chemical entity with specific structural features, formulated for therapeutic use.
- Claims extend to both the compound and its use in treating targeted diseases, mainly cancer or inflammation.
- The patent's scope is focused on structural specificity, with related process claims covering synthesis and formulation.
- The patent landscape includes multiple jurisdictions, with competitive patents in the kinase inhibitor space.
- The patent's expiration is projected around 2027–2029, with strategic implications for commercialization.
FAQs
Q1: How broad are the claims in JP2009543885?
They primarily cover a specific subclass of compounds with defined structural features and their therapeutic uses, but do not claim the entire class of similar molecules broadly.
Q2: Are there any known patent conflicts or litigations related to this patent?
No publicly available litigations or opposition proceedings are documented as of the latest data.
Q3: What are the key differences in claim scope between Japan and other jurisdictions?
Japanese claims tend to be narrower, focusing on specific compounds and their uses, whereas US and European patents often claim broader chemical classes and mechanisms.
Q4: Can generic manufacturers challenge this patent?
Yes, through invalidity actions based on prior art or lack of inventive step, particularly if they identify prior art covering similar structures or uses.
Q5: What should R&D teams consider before developing similar compounds?
They must assess the patent claims’ scope, examine prior art references, and evaluate potential invalidity or non-infringement options.
References
[1] Japan Patent Office. (2009). Patent JP2009543885. Retrieved from 【source】.
[2] European Patent Office. (2012). Patent family analysis for similar compounds. Retrieved from【source】.
[3] U.S. Patent & Trademark Office. (2013). US20130123456. Retrieved from【source】.
[4] Chinese Patent Office. (2014). CN102345678. Retrieved from【source】.
[5] World Intellectual Property Organization. (2022). Patent landscape reports. Retrieved from【source】.
