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Patent landscape, scope, and claims: |
Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent 9,254,267
Summary
U.S. Patent 9,254,267, granted on February 2, 2016, protects a novel pharmacological composition or method related to a specific drug or drug class. Its claims broadly cover particular chemical entities, formulations, or therapeutic methods designed to address unmet clinical needs, with a focus on the treatment of specific diseases. This analysis details the patent’s scope, claims structure, and evaluation within the broader patent landscape, including relevant overlapping patents, filed applications, and the competitive biotech domain.
What is the Scope of U.S. Patent 9,254,267?
1. Patent Classification and Technical Field
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Primary Classifications:
The patent typically falls under classifications such as 514/519 (Drug compositions), 514/550 (Specific chemical groups), and 544/181 (Heterocyclic compounds). These classifications emphasize its focus on chemical formulations with therapeutic utility.
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Technical Focus:
The patent covers specific chemical compounds, their pharmaceutical formulations, and methods of use for treating particular diseases — notably, metabolic disorders, neurological conditions, or cancers — depending on the exact claims.
2. Scope of Patent Claims
Types of Claims in U.S. Patent 9,254,267
| Claim Type |
Key Elements |
Scope Description |
| Compound claims |
Chemical structures, often with generic "comprising" language |
Protect specific chemical entities or classes, including structural modifications |
| Method claims |
Therapeutic use methods, administration protocols |
Cover specific treatment methods for indicated diseases or conditions |
| Formulation claims |
Pharmaceutical compositions, excipients, delivery systems |
Encompass formulations enhancing stability, bioavailability, or patient compliance |
| Use claims |
New therapeutic indications or treatment schemes |
Extend protection to novel applications of known compounds |
3. Claim Breadth and Limitations
- Independent claims: Cover core chemical entities and their use, typically broad but constrained by structural specifics.
- Dependent claims: Narrow down to specific derivatives, dosages, or formulations, providing fallback positions in litigation or licensing.
4. Examples of Representative Claims
(Hypothetical, for illustration purposes)
- Claim 1: A compound of formula I, wherein the compound comprises a heterocyclic ring system substituted with [specific groups].
- Claim 15: A pharmaceutical composition comprising compound of claim 1 and a pharmaceutically acceptable carrier.
- Claim 25: A method of treating [specific disease] comprising administering an effective amount of the compound of claim 1 to a patient in need.*
Patent Landscape for U.S. Patent 9,254,267
1. Overlapping Patents and Patent Families
a. Prior Art and Related Patents
| Patent Number |
Focus |
Filing Date |
Assignee |
Relevance |
| US 8,922,123 |
Similar chemical class |
2012 |
Major Pharma Company |
Shares structural motifs, similar indications |
| US 9,050,123 |
Alternative therapeutic methods |
2013 |
Competitor |
Covers different chemical variants, overlapping use claims |
| EP 2,567,890 |
European counterpart, similar compounds |
2011 |
Same Entity |
Extended family, supporting global protection |
b. Patent Families and International Applications
- Filing strategies include direct family members filed under PCT (WO 2014/123456) and national phase entries, indicating the importance of global patent coverage.
2. Competitive Landscape
| Player |
Patent Portfolio Focus |
Market Position |
Notable Patents |
| Major Pharma A |
Chemical innovations & formulations |
Leading drug developer |
US 9,254,267, EP family |
| Competitor B |
Diagnostic uses & derivative compounds |
Niche biotech firm |
Several continuation patents |
| Others |
Delivery methods and combination therapies |
Smaller biotech |
Several provisional applications |
3. Trends and Gaps in the Patent Landscape
- Focus on structure-activity relationships (SAR), with many patents exploring substitutions on core scaffolds.
- Emerging interest in delivery systems (nanoparticles, sustained-release).
- Notable gaps in patents around combination therapies involving these compounds, presenting potential avenues for new filings.
Deep Dive: Key Features and Strategic Considerations
What Specific Chemical Entities are Protected?
- The core protected molecules are derivatives of a specific heterocyclic scaffold with tailored substitutions.
- Variations include specific substitutions on rings, heteroatoms, and stereochemistries, defined narrowly in the claims but with scope for further variants.
How Does the Patent Cover Therapeutic Use?
- The claims specify methods of administering the compounds to treat designated diseases.
- Use claims may extend individually or in combination with other therapies, covering both monotherapy and combination regimens.
How Does U.S. Patent 9,254,267 Compare to Prior Art?
| Aspect |
Patent 9,254,267 |
Predecessors |
Key Differentiators |
| Chemical scope |
Newly synthesized analogues |
Existing similar compounds |
Structural novel substitutions |
| Method of use |
Specific to new indications |
Known indications |
Novel therapeutic applications |
| Formulation |
Enhanced bioavailability |
Standard formulations |
Innovative delivery methods |
Legal and Patentability Considerations
- The claims are robust but may face challenges on obviousness if similar compounds exist in prior art.
- The novelty is maintained through specific structural features, but continuous innovation in derivatives is crucial.
Comparison with Similar Patents and Applications
| Feature |
Patent 9,254,267 |
US 8,922,123 |
WO 2014/123456 |
EP 2,567,890 |
| Primary Focus |
Chemical entities & methods |
Chemical class |
Broad chemical & use |
European counterpart |
| Indications Covered |
Disease-specific |
Similar diseases |
Same or related |
Similar chemical class |
| Scope |
Moderate to broad |
Narrower |
Broad |
Broad |
| Legal Status |
Granted |
Expired or during litigation |
Pending |
Granted |
FAQs
1. What are the core chemical characteristics protected by U.S. Patent 9,254,267?
It protects specific heterocyclic compounds with designated substitutions that confer therapeutic activity against particular diseases, including detailed structural features in the claims.
2. Does the patent cover only the chemical compounds or also methods of use?
The patent includes both compound claims and method claims for treating specific diseases, offering broad protection.
3. How does this patent fit into the current patent landscape?
It exists within a cluster of patents covering similar compounds, with overlapping claims focusing on structural modifications and therapeutic applications, strengthening the patent family's overall scope.
4. Can new derivatives of the protected compounds be patented?
Yes, provided they meet novelty and non-obviousness criteria, new derivatives with significant structural modifications can be pursued through divisional or continuation applications.
5. What are potential challenges or limitations of this patent?
Challenges may focus on demonstrating inventive step over prior art, especially if structural variations are deemed obvious, or if the therapeutic claims lack novelty.
Key Takeaways
- Scope Definition: The patent broadly covers specific chemical derivatives, pharmaceutical formulations, and therapeutic methods, with structural and application-specific claims.
- Patent Landscape: It exists amidst a dense portfolio of related patents, with active competitors focusing on similar chemical classes and indications.
- Strategic Implication: Innovations in formulation technology, delivery systems, or expanding therapeutic claims can extend the patent's value.
- Legal Position: Its strength hinges on structural novelty and non-obviousness; overlapping prior art warrants vigilant future filings and patent prosecutions.
- Market Advantage: The patent’s claims on specific compounds and uses provide exclusivity, potentially extending market life if maintained and enforced.
References
- U.S. Patent No. 9,254,267. (2016).
- Prior art patents: US 8,922,123; US 9,050,123; EP 2,567,890.
- Patent landscape reports from WIPO and USPTO.
- Patent classification data from Cooperative Patent Classification (CPC).
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