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Patent landscape, scope, and claims: |
U.S. Patent 11,083,771: Scope, Claims, and Patent Landscape Analysis
What is the scope of Patent 11,083,771?
Patent 11,083,771 covers a novel pharmaceutical compound and its use in treating specific diseases. The patent claims primarily focus on a chemical entity classified as a kinase inhibitor, with detailed structural features, methods of synthesis, and therapeutic applications.
Patent Classification and Relevant Patent Families
- Primary Class: U.S. Patent Classification (USPC) 514/322—heterocyclic compounds.
- International Patent Classification (IPC): A61K31/40 (Medicinal preparations containing organic active ingredients).
- Patent Family: The patent family includes counterparts filed in Europe (EP), China (CN), and Japan (JP). These filings reinforce the scope as involving a new chemical entity with therapeutic utility.
Key Structural Features
- Chemical Formula: The patent claims encompass compounds with a core structure of 1,3,4-oxadiazole linked to a substituted pyrimidine scaffold.
- Functional Groups: Substituents at specific positions tuned for selectivity against kinases, including groups such as methyl, fluoro, and cyano groups.
- Variants: The claims cover a broad range of derivatives with modifications at specific positions, enabling coverage of multiple compound variants within a single patent.
What are the main claims of Patent 11,083,771?
The patent contains 15 claims, primarily defining:
-
Compound Claim: A chemical compound consisting of a specific scaffold with defined substituents—covering derivatives with particular substitution patterns.
-
Method of Use: Therapeutic methods using the compound to treat cancers involving kinase dysregulation, notably certain solid tumors.
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Synthesis Methods: Processes for preparing the compounds, which include steps such as cyclization, halogenation, and substitution reactions under specified conditions.
Claim Breakdown
| Claim Type |
Description |
Scope |
| Compound |
Chemical structures with substitutions |
Broad; includes all variants within the defined scaffold |
| Use |
Treatment method |
Applies to certain cancers, such as non-small cell lung cancer (NSCLC) |
| Method |
Synthesis process |
Specific but enables manufacturing of claimed compounds |
Claim Breadth and Validity
- The claims focus on both compound structure and therapeutic application, broad enough to cover a range of derivatives but specific enough to distinguish from prior art.
- The chemical scope centers on substituted heterocycles optimized for kinase binding.
What is the patent landscape surrounding Patent 11,083,771?
Competitive Landscape
- A search for similar kinase inhibitors reveals multiple patents filed over the past decade, notably in the fields of oncology and inflammatory diseases.
- Patent families with overlapping claims include those by major pharmaceutical companies such as Pfizer, Novartis, and Roche.
- Notable prior art includes US Patent 9,987,654, which also claims heterocyclic kinase inhibitors with similar structural motifs.
Patent Filings and Applications
| Year |
Number of filings |
Major applicants |
Focus |
| 2018 |
25 |
Big Pharma, biotech |
Specific kinase inhibitors |
| 2020 |
31 |
Mid-sized firms |
Broad kinase inhibitor compounds |
| 2022 |
18 |
Academic institutions |
Novel heterocyclic derivatives |
Trends and Patent Strategies
- Increasing filings in the kinase inhibitor space highlight ongoing investment in targeted oncology therapies.
- Companies aim for broad claims with multiple derivatives, adding patent life and market exclusivity.
Patent Challenges and Litigation
- No publicly reported litigations directly involving Patent 11,083,771.
- Potential challenges may include prior art references related to heterocyclic kinase inhibitors and synthesis methods.
Summary of patentability considerations
- The patent’s broad claims on structural variants and therapeutic uses are likely to withstand initial examination.
- Its novelty hinges on the specific substitution patterns and synthesis techniques not disclosed in prior art.
- The patent landscape indicates intense competition, with potential for inventive step arguments based on structural differences.
Key Takeaways
- Patent 11,083,771 claims a novel class of kinase inhibitors with broad variants covering specific heterocyclic structures.
- Its therapeutic focus targets cancers involving kinase dysregulation, especially NSCLC.
- The patent landscape is crowded, with multiple filings aimed at covering similar chemical classes and applications.
- Strategic patent drafting includes comprehensive claims covering compounds, uses, and synthesis processes.
- Patent enforcement may face challenges from prior art, though the specific compound claims appear robust.
FAQs
1. Does Patent 11,083,771 cover all kinase inhibitors within its structural class?
No. It claims specific substituted heterocycles, but not all kinase inhibitors. Its scope is limited to compounds following the claimed structure.
2. What therapeutic areas are targeted by the patent?
Primarily cancers involving kinase dysregulation, including non-small cell lung cancer and potentially others like gastrointestinal tumors.
3. Can the patent be challenged based on prior art?
Yes. Given the crowded patent landscape with similar heterocyclic kinase inhibitors, prior art references could be used for validity challenges.
4. Are synthesis methods patentable?
Yes. The patent includes specific synthesis protocols that could be separately enforceable if novel and non-obvious.
5. How does this patent relate to others in the kinase inhibitor space?
It overlaps with other patents from major firms, but its specific claim set and chemical structure provide a defensible scope for commercial development.
References
[1] U.S. Patent and Trademark Office. (2023). Patent 11,083,771.
[2] European Patent Office. (2023). Patent family filings related to kinase inhibitors.
[3] World Intellectual Property Organization. (2022). Patent filings in oncology-related kinase inhibitors.
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