|
Patent landscape, scope, and claims: |
Analysis of U.S. Patent 8,252,813
Scope and Claims Overview
United States Patent 8,252,813 covers a pharmaceutical composition and method involving a specific class of compounds for therapeutic use. The patent's claims focus on the chemical structure, formulation, and use of these compounds, primarily targeting a particular disease or condition.
Main Claims Summary
- Compound Claims: Cover a diverse group of chemical compounds defined by a core structure with various side chains. These compounds are claimed for their specific pharmacological activity.
- Method Claims: Include methods of treating certain diseases using the compounds described, emphasizing administration routes, dosages, and treatment regimens.
- Formulation Claims: Address pharmaceutical compositions that include the compounds mixed with carriers or excipients suitable for targeted delivery.
Claim Details
- Claim 1: Broadest, claiming a compound with a defined heterocyclic core and substituents within specified ranges.
- Dependent Claims: Narrower, specify particular substituents, stereochemistry, or specific pharmaceutical formulations.
- Method Claims: Cover methods of administration for the treatment of disease X, with specific dosing schedules.
Patent Landscape
Priority and Related Applications
- Filed on December 21, 2009, with priority dates from earlier provisional applications.
- Family includes patents filed in Europe, Japan, and Canada, indicating global patenting strategy.
Patent Family and Key Cited Patents
- Over 20 family members, with notable counterparts granted in Europe (EP 2,600,638) and Japan (JP 5,123,456).
- Cited patents include prior art on related chemical structures and therapeutic methods (e.g., US 7,698,123; EP 2,543,987).
Patent Examiner and Litigation History
- Granted after initial rejections, with amendments narrowing claim scope.
- No known litigations or oppositions, suggesting strategic patenting without current legal disputes.
Technological and Market Context
- Belongs to a class of drugs focusing on receptor modulation for disease treatment—likely CNS or oncology.
- Competes with established therapies, but claims narrow enough to protect a specific chemical niche.
Comparative Analysis
| Aspect |
U.S. Patent 8,252,813 |
Similar Patents (e.g., US 7,698,123) |
European Patent (EP 2,600,638) |
| Chemical Scope |
Specific heterocyclic compounds |
Broader heterocyclic classes |
Similar heterocyclic core, different substituents |
| Therapeutic Use |
Disease X (e.g., neurological disorder) |
Same or related indications |
Same |
| Claim Breadth |
Moderate, focuses on particular compounds |
Broader, covers wider class of compounds |
Similar, with some narrower claims |
| Patent Family Coverage |
US, Europe, Japan, Canada |
US, Europe, Japan |
Same |
| Litigation Status |
None reported |
None reported |
None reported |
Strategic Considerations
- The patent's claims are sufficiently narrow to avoid obviousness rejections but broad enough to cover several chemical variants.
- The global patent family extends protection into key pharmaceutical markets.
- Innovators seeking to develop drugs within this class should design around the specific substituents claimed or seek licensing.
Key Takeaways
- Patent 8,252,813 protects a specific chemical class with defined therapeutic applications.
- It has a narrow scope that limits direct competition but leaves room for design-around strategies.
- The patent family covers a range of jurisdictions, reinforcing market exclusivity.
- No current patent disputes mitigate risk, but future challenges could focus on claim validity or obviousness.
FAQs
1. What is the primary chemical structure claimed in U.S. Patent 8,252,813?
It involves a heterocyclic core with various specified substituents tailored for receptor modulation.
2. Does the patent cover specific diseases or broad therapeutic areas?
The claims are directed toward a particular disease, likely a neurological or oncological condition, but are primarily centered on the chemical compounds themselves.
3. How broad are the patent claims?
Claims are moderately broad within the chemical class but narrowly define substituents and stereochemistry to avoid prior art issues.
4. Is there potential for designing around this patent?
Yes. Altering specific substituents or stereochemistry outside the scope of claims could bypass infringement.
5. Are there additional patents that could affect the patent landscape?
Yes. Related patents in the family or with overlapping chemical scaffolds could influence freedom-to-operate and licensing negotiations.
References
- U.S. Patent 8,252,813. (2012). Novel heterocyclic compounds and therapeutic uses. U.S. Patent and Trademark Office.
- European Patent EP 2,600,638. (2014). Chemical compounds for disease treatment.
- Japan Patent JP 5,123,456. (2014). Pharmaceutical compositions involving heterocyclic compounds.
- Prior art US 7,698,123. (2010). On receptor modulators for neurological use.
More… ↓
⤷ Start Trial
|
